U.S. Supreme Court sets date to consider review of Monsanto Roundup case

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Bayer AG’s effort to get the U.S. Supreme Court to review a key trial loss in the nationwide Roundup litigation inched forward this week when the high court said it would include Bayer’s petition for a writ of certiorari in a December 10 conference where the justices will discuss which cases to accept for review.

Bayer, which bought Monsanto in 2018, filed the petition in August, asking the court to review the Ninth Circuit Court of Appeals’ decision that affirmed the district court’s judgment in Monsanto’s 2019 trial loss to plaintiff Edwin Hardeman. The jury in the case found that exposure to Monsanto’s glyphosate-based herbicide was a cause of Hardeman’s non-Hodgkin lymphoma (NHL).

Hardeman’s attorneys presented jurors with a range of scientific research showing cancer connections to Monsanto’s herbicides as well as evidence of many Monsanto strategies aimed at suppressing the scientific information about the risks of its products. Hardeman’s attorneys argued that instead of hiding information, Monsanto should have warned consumers about the risks that its products could cause cancer.

Two key issues

Bayer maintains Monsanto’s glyphosate herbicides do not cause cancer, and it additionally argues that  the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), which governs the registration, distribution, sale, and use of pesticides in the United States, preempts “failure-to-warn” claims by Hardeman and other plaintiffs in the Roundup litigation. Because the Environmental Protection Agency (EPA) has approved labels with no cancer warning, failure-to-warn claims should be barred, the company maintains.

In addition to the FIFRA issue, the company petition filed in August urged the Supreme Court to also address whether or not the Ninth Circuit’s standard for admitting expert testimony “is inconsistent with this Court’s precedent and Federal Rule of Evidence 702.” Bayer argues that the admission of expert testimony in the Hardeman case “departed from federal standards, enabling plaintiff’s causation witnesses to provide unsupported testimony on the principal issue in the case, Roundup’s safety profile.”

In response to Bayer’s petition that the Supreme Court review the case, Hardeman’s attorneys filed a reply brief arguing the company’s request “is unworthy of review,” mischaracterizes elements of the case, and the company’s petition should be denied.

No certainty

There is no certainty the Supreme Court will agree to take up the case; nor a certainty that there will even be much discussion of the case, but if the court does decide to grant the company’s request, it would shine a national spotlight on the product liability litigation that has seen more than 100,000 plaintiffs sue over allegations Roundup herbicide causes cancer.

A favorable Supreme Court decision is widely seen as Bayer’s best hope for putting an end to the Roundup litigation, which has attracted tens of thousands of plaintiffs, all alleging they developed NHL due to exposure to Monsanto’s herbicides.

Several organizations have joined in the request for Supreme Court review of the Hardeman decision, including the industry lobbying group CropLife America, The Chamber of Commerce of the United States of America; Pharmaceutical Research and Manufacturers of America; the American Tort Reform Association; the Product Liability Advisory Council; the Washington Legal Foundation; and Lawyers for Civil Justice.

The Supreme Court typically takes fewer than 200 cases out of thousands of case review requests each year, and favors accepting cases that have national significance, or deal with conflicting decisions in lower courts and those that are seen as setting an important precedent.

California court rejects Bayer’s petition to review Pilliod Roundup trial victory

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Bayer AG suffered yet another setback this week in the company’s ongoing effort to undo at least one of the trial losses dealt to Monsanto Co. in U.S. litigation alleging that the company’s Roundup herbicide causes cancer and Monsanto spent decades covering up the risks.

Bayer, which bought Monsanto in 2018 just as the first Roundup trial was getting underway, petitioned the California Supreme Court in September seeking a review of the case of Pilliod v. Monsanto.  The court rejected that petition for review on Wednesday.

Husband and wife Alva and Alberta Pilliod were awarded over $2 billion in 2019 after a trial in which their lawyers presented evidence that the non-Hodgkin lymphoma (NHL) suffered by both was caused by their long-term exposure to Roundup herbicide. Alberta was diagnosed with non-Hodgkin lymphoma brain cancer  in 2015, while her husband Alva was diagnosed in 2011 with non-Hodgkin lymphoma that spread from his bones to his pelvis and spine. The couple had started using Roundup in the 1970s and used it for more than 30 years.

The trial judge then lowered the jury award to $87 million.

Alberta Pilliod told US Right to Know that she and her husband were very happy to hear of the court’s rejection of Bayer’s petition, and hope to soon see their judgment paid.

“We’ve jumped through all the hoops. We’d like to get to the final score,” she said.

Alva Pilliod, 79, remains in remission, and though 77-year-old Alberta is also currently in remission she has had multiple recurrences of her cancer and has to be hospitalized frequently for health problems, she said.

The California Supreme  Court’s refusal to review the Pilliod case comes three months after the 1st Appellate District in the Court of Appeal for California rejected Monsanto’s bid to overturn the trial loss.

The appeals court ruling had scathing words for Monsanto: “We find that substantial evidence supports the jury’s verdicts,” the court stated. “Monsanto’s conduct evidenced reckless disregard of the health and safety of the multitude of unsuspecting consumers it kept in the dark. This was not an isolated incident; Monsanto’s conduct involved repeated actions over a period of many years motivated by the desire for sales and profit.”

The court also said there was substantial evidence that Monsanto acted with a “willful and conscious disregard for the safety of others,” supporting the awarding of punitive damages.

The evidence showed that Monsanto “failed to conduct adequate studies on glyphosate and Roundup, thus impeding discouraging, or distorting scientific inquiry concerning glyphosate and Roundup,” the court said.

The court specifically rejected the argument that federal law preempts such claims, an argument Bayer has told investors offers a potential path out of the litigation. Bayer has said it hopes it can get the U.S. Supreme  Court to agree with its preemption argument.

Damning evidence

Evidence laid out in the Pilliod trial and two previous trials included numerous scientific studies that showed what plaintiffs’ attorneys said was proof Monsanto’s herbicides cause NHL. As well, the attorneys presented jurors with many internal Monsanto communications obtained through court-ordered discovery that show Monsanto has intentionally manipulated the public record to hide the cancer risks.

Bayer has settled several other cases that were scheduled to go to trial over the last two years. And in 2020, the company said it would pay roughly $11 billion to settle about 100,000 existing Roundup cancer claims. This year, Bayer said it would set aside another $4.5 billion toward Roundup litigation liability.

Bayer also announced it would stop selling Roundup, and other herbicides made with the active ingredient glyphosate, to U.S. consumers by 2023. But the company continues to sell the products for use by farmers and commercial applicators.

Stephens trial drags on

Even as Bayer attempts to settle cases, it also is proceeding to trial with several. One trial that has turned into a sluggish, on-again-off-again, Zoom-based trial is the case of Donnetta Stephens v. Monsanto.

The case, in the Superior Court of San Bernardino County in California, has been held via Zoom due to concerns about the spread of Covid-19, but has been marred by numerous technical problems as well as scheduling conflicts.

The jury trial has generally only been in session 2-3 days per week after getting underway in July. The next session is set for Monday, which will be the 51st day of trial.

Stephens suffers from non-Hodgkin lymphoma she blames on her use of Roundup. Her trial is a “preference” case, meaning her case was expedited after her lawyers informed the court that Stephens was “in a perpetual state of pain” and losing cognition and memory due.

Stephens trial drags on, toxicologist testifies about studies of herbicide and cancer risk

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A scientist testified Monday that a California woman’s regular use of Monsanto’s Roundup herbicide “vastly” exceeded the exposure scientific research shows more than doubles the risk of developing non-Hodgkin lymphoma (NHL).

William Sawyer, a toxicologist and expert witness for plaintiff Donnetta Stephens in her lawsuit against Monsanto, cited scientific research that links use of Monsanto’s glyphosate-based herbicides, including Roundup, to cancer and specifically to NHL.  Sawyer has testified in prior Roundup cancer trials, including a 2019 trial that resulted in a jury verdict of more than $2 billion for a husband-and-wife who both suffered from NHL.

The Stephens v. Monsanto trial has been underway for roughly three months, starting in late July. The proceedings have been  handled via Zoom, and multiple technical problems have at time hindered the delivery of testimony and sharing of evidence with jury members.

Jurors have heard from Stephens, her son, various cancer  experts and from some of Monsanto’s top scientists, including longtime Monsanto toxicologist Donna Farmer. Farmer now works for Bayer AG, the German pharmaceutical company that bought Monsanto in 2018.

“Perpetual” pain

Stephens’ trial is a “preference” case, meaning her case was expedited after her lawyers informed the court that Stephens was “in a perpetual state of pain” and losing cognition and memory.

The case is being tried in the Superior Court of San Bernardino County in California under the oversight of Judge Gilbert Ochoa. Stephens is one of tens of thousands of plaintiffs who filed lawsuits against Monsanto after the World Health Organization’s cancer experts classified glyphosate as a probable human carcinogen with an association to non-Hodgkin lymphoma.

Juries in the first three trials found in favor of the plaintiffs, agreeing with claims that Monsanto’s glyphosate-based weed killers, such as Roundup, cause non-Hodgkin lymphoma and Monsanto spent decades covering up the risks, and failing to warn users.

Monsanto won a recent trial involving a mother who claimed her son developed NHL because of exposure he experienced while she sprayed the weed killer.

More trouble for Bayer

Angry investors can proceed with litigation against Bayer over allegations that the company made misleading statements about its $63 billion 2018 acquisition of Monsanto, and of the extent of concerns about the company’s herbicide products.

A federal judge ruled last week that a class action led by a group of pension funds can proceed with their claims that Bayer proceeded with its purchase of Monsanto despite analyst warnings and an awareness that acquiring Monsanto brought significant risks, and assuring investors Bayer management had fully assessed those risks.

Bayer has settled several cases that were scheduled to go to trial over the last two years. And in 2020, the company said it would pay roughly $11 billion to settle a majority of the more than 100,000 existing Roundup cancer claims. The company recently said it was setting aside another $4.5 billion toward Roundup litigation liability.

Bayer also announced it would stop selling Roundup, and other herbicides made with the active ingredient glyphosate, to U.S. consumers by 2023. But the company continues to sell the products for use by farmers and commercial applicators.

Bayer wins Roundup trial; plaintiff fails to prove exposure caused child’s disease

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The former Monsanto Co., now owned by Bayer AG, notched its first win in the mass tort U.S. Roundup litigation on Tuesday, defeating at trial a mother who alleged her use of Roundup exposed her child to the pesticide and caused him to develop cancer.

Ezra Clark was born in May 2011 and diagnosed in 2016 with Burkitt’s lymphoma, a form of non-Hodgkin lymphoma (NHL) that has a high tendency to spread to the central nervous system, and can also involve the liver, spleen and bone marrow, according to the court filings. Ezra’s mother, Destiny Clark, is the plaintiff in the case, which was heard in Los Angeles County Superior Court. A different Roundup trial is underway in San Bernardino County Superior Court.

Ezra Clark was “directly exposed” to Roundup many times as he accompanied his mother while she sprayed Roundup to kill weeds around the property where the family lived, according to court documents. Ezra has autism and his mother said it calmed him to play outdoors while she worked in the yard, which meant he often played in areas freshly sprayed with Roundup, according to the court filings.

Fletch Trammell, lead attorney for Clark, said his case was subject to a bifurcation order that organized the case into two phases. In the first phase he was limited to presenting evidence that focused on the child’s personal exposure to Roundup and whether or not it could have been enough to have contributed to his disease. The case would have proceeded to a second phase had the plaintiff won the first phase, but the loss in the first phases ends the trial.

“This was nothing like any of the other three trials,” Trammell said.

The jury was asked to address one key question in the first phase: Whether or not the child’s exposure to  Roundup was a “substantial factor” in his development of Burkitt’s lymphoma.

In a 9 to 3 decision, the jury found that it was not.

Trammell said the jury decision was because the jury doubted the child’s exposure to Roundup could have been enough to cause cancer. The decision did not address the larger question of the alleged carcinogenicity of Roundup overall, he said.

But Bayer, which bought Monsanto in 2018 as the first Roundup trial was getting underway, said the jury’s decision was in line with scientific research showing glyphosate, the main ingredient in Roundup, is safe and does not cause cancer.

“The jury carefully considered the science applicable to this case and determined that Roundup was not the cause of his illness,” the company said in a statement.

80 hours

During the trial, Trammel presented evidence indicating Ezra was exposed to Roundup for about 80 cumulative hours over the years his mother sprayed with him at her side. He paired that with research showing there could ben an increased risk of NHL associated with repeated spraying of glyphosate herbicides, such as Roundup. And he noted language on Roundup labels in Canada that advise users to wear protective gloves and avoid getting the chemical on bare skin.

“The studies… they show that Roundup does three different things when it gets to your
lymphocyte cells…   It can kill cells, which is bad enough; but it also causes the exact DNA damage
that results in Burkitt’s lymphoma; it also, in a variety of ways, devastates your body’s ability to
repair DNA damage,” Trammell told jurors in his closing argument.

Trammell also sought to counter problems with deposition testimony given by Destiny Clark. Trammell said the mother also has suffered from cancer, a cervical cancer that metastasized to her brain. The illness and treatments she has undergone made it difficult for her to recall details and she “made a lot of mistakes” in the deposition she gave to Monsanto’s attorneys, Trammell told jurors. But she was very clear, he told jurors, on recalling her use of Roundup nearly “every weekend” when Ezra was young.

Monsanto attorney  Brian Stekloff told jurors that Ezra’s exposure was in doubt. He told jurors that while they might have sympathy for the family, they could not ignore inconsistencies in Destiny Clark’s testimony about how often her son was exposed, and could not ignore statements by other family members that they did not see her spraying around Ezra.

“And there is an old adage or old saying, and it goes like this: The truth is simple because there’s nothing to remember,” Stekloff told jurors. “When you tell the truth, you don’t mix up the facts. It’s when it didn’t happen that you can’t remember what you said the first time and the next time, and the next time, and the next time. And the inconsistencies start piling up and piling up, and the explanations start coming and piling up and piling up. And that’s what you have seen here in this trial.”

Stekloff told jurors the evidence did not support a finding that exposure to Roundup was a substantial factor in causing his cancer.

“This is not a popularity contest. This is not a referendum on Monsanto. It’s not even a referendum on Roundup,” he said in his closing argument. “Roundup did not cause Ezra Clark’s Burkitt’s lymphoma.”

Clark is one of tens of thousands of plaintiffs who filed U.S. lawsuits against Monsanto after the World Health Organization’s cancer experts in 2015 classified glyphosate – the active ingredient in Monsanto’s herbicides – as a probable human carcinogen with an association to NHL.

Monsanto lost each of the three previous trials, after lawyers for the plaintiffs presented jurors with multiple scientific studies finding potential health risks with glyphosate and Roundup  The plaintiffs lawyers also used internal Monsanto documents as evidence, arguing the so-called “Monsanto Papers” showed intentional efforts by the company to manipulate regulators and control scientific research.

The jury in the last trial ordered $2 billion in damages though the award was later shaved to $87 million.

Bayer has maintained that there is no cancer risk with the glyphosate herbicides it inherited from Monsanto, but it has agreed to pay close to $14 billion to try to settle the litigation and said it will remove glyphosate products from the U.S. consumer market by 2023. The company will continue to sell the herbicides to farmers and other commercial users.

Mike Miller, who heads the Virginia law firm that won two of the three previously held Roundup trials, i but who was not involved in the Clark case, said the verdict does not change anything about the litigation, nor Bayer’s liability.

“Nothing about that verdict change the fact: Roundup causes cancer,” he said.

See transcript of closing arguments in Clark v. Monsanto. 

Monsanto scientist defends Roundup safety in California trial

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A senior scientist at the former Monsanto Co. told jurors in a California trial that the company’s Roundup herbicide is so safe that the scientist uses it regularly at her home, and suggests friends also use the weed killing product.

Donna Farmer, who worked as a toxicologist at Monsanto for more than two decades and now works at Monsanto owner Bayer AG, spent long hours testifying Monday and on multiple days last week in the case of Donnetta Stephens v. Monsanto. The Stephens case is the fourth Roundup cancer lawsuit to go to trial and the first since 2019. Stephens suffers from non-Hodgkin lymphoma she blames on her use of Roundup herbicide for more than 30 years.

Stephens is one of tens of thousands of plaintiffs who filed U.S. lawsuits against Monsanto after the World Health Organization’s cancer experts in 2015 classified glyphosate – the active ingredient in Monsanto’s herbicides – as a probable human carcinogen with an association to non-Hodgkin lymphoma.

Monsanto lost each of the three previous trials, after lawyers for the plaintiffs presented jurors with multiple scientific studies finding potential health risks with glyphosate and Roundup  The plaintiffs lawyers also used internal Monsanto documents as evidence, arguing the so-called “Monsanto Papers” showed intentional efforts by the company to manipulate regulators and control scientific research.

The jury in the last trial ordered $2 billion in damages though the award was later shaved to $87 million.

Bayer, which bought Monsanto in 2018, insists there is no cancer risk with its glyphosate herbicides, but it has agreed to pay close to $14 billion to try to settle the litigation and said it will remove glyphosate products from the U.S. consumer market by 2023. The company will continue to sell the herbicides to farmers and other commercial users.

Combative exchanges

In testimony delivered under cross-examination by Stephens’ lawyer William Shapiro, Farmer was combative, going beyond answering the yes or no questions Shapiro posed to her in an effort to “explain” the context she said Shapiro was misrepresenting.

Shapiro quizzed Farmer about emails and documents dating back to the late 1990s that Shapiro presented as evidence that Farmer and other company scientists engaged in misconduct, including ghostwriting scientific papers to fraudulently assert the safety of its glyphosate-based herbicides and buried information that found cancer risk with the products.

On Monday, Monsanto lawyer Manuel Cachan questioned Farmer about many of the same pieces of evidence focused on by Shapiro, but cast the emails and other evidence as innocent exchanges that bear no signs of deceit or misconduct.

Under Cachan’s questioning, Farmer said that based on the science that she is familiar with, she does not believe glyphosate causes cancer, and is confident that Roundup is safe to use. She said that she is so certain of the safety of Roundup that she has used it around her yard for about 25 years. She does not wear gloves or special protective gear when spraying, she testified. Farmer said she has no worries about recommending the product to family members and friends.

Farmer said the phase-out for consumers is not due to any safety concerns and is being removed from consumer markets simply “because of the litigation and the lawsuits.” Farmer said she does not think the product should be withdrawn.

“The product is in my opinion – and not just my opinion but regulators around the world – the product is safe and is not a carcinogen,” Farmer testified.

Even after Bayer stops selling Roundup to consumers in 2023, Farmer said she plans to keep using it.

“It has a good shelf life so I’ll probably buy some extra bottles,” she said. “You can go to dealerships in farm country, you can buy some of the products there.”

Monsanto has been persecuted by an anti-pesticide movement, according to Farmer.

“There are a lot of people who don’t like pesticides. They don’t like glyphosate and quite frankly don’t like Monsanto. There are a lot of people who make allegations and spread misinformation about the safety of our products,” Farmer testified.

Beyond Pesticides

At one point in her testimony, Farmer weighed in on a nonprofit group and Monsanto critic called Beyond Pesticides, telling jurors that Beyond Pesticides was not a scientific group but rather an activist group that was “misrepresenting the science” about synthetic pesticides such as glyphosate.

“Their mission is to stop the use of synthetic pesticides and so what they publish is misinformation, inaccurate information about pesticides,” she testified.

Monsanto’s lawyer asked her to address a 2008 internal Monsanto email regarding a press release issued by Beyond Pesticides. The press release by the nonprofit group shared a research study that found glyphosate exposure could increase a person’s risk of developing non-Hodgkin lymphoma. The group advised people should embrace organic agriculture and use “non-toxic land care” on residential lawns.

In the email, Farmer had written to colleagues: “We have been aware of this paper for awhile and knew it would only be a matter of time before the activists picked it up.” Mentioning the Beyond Pesticides line about embracing organic agriculture, Farmer had written: How do we combat this?”

Under questioning from Monsanto’s lawyer, Farmer explained that she was not indicating Monsanto should try to combat the scientific research but was addressing only the Beyond Pesticide advice about avoiding pesticide use.

The Stephens trial started as an in-person proceeding but was changed to a Zoom trial due to concerns about the spread of Covid-19, and has been plagued by repeated “technical problems” ever since the change. Several times jurors and/or a witness have lost their audio and/or video connections to the trial.

Judge Gilbert Ochoa of the Superior Court of San Bernardino County in California, is overseeing the proceedings.

The trial does not resume until Monday Oct. 4 because of scheduling conflicts for some of the trial participants.

Glyphosate Fact Sheet: Cancer and Other Health Concerns

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Glyphosate, a synthetic herbicide patented in 1974 by the Monsanto Company and now manufactured and sold by many companies in hundreds of products, has been associated with cancer and other health concerns. Glyphosate is best known as the active ingredient in Roundup-branded herbicides, and the herbicide used with “Roundup Ready” genetically modified organisms (GMOs).

Herbicide tolerance is the most prevalent GMO trait engineered into food crops, with some 90% of corn and 94% of soybeans in the U.S. engineered to tolerate herbicides, according to USDA data. A 2017 study found that Americans’ exposure to glyphosate increased approximately 500 percent since Roundup Ready GMO crops were introduced in the U.S in 1996. Here are some key facts about glyphosate:

Consumer market withdrawal planned 

In July 2021, Monsanto owner Bayer AG said it would remove glyphosate-based herbicides from the U.S. consumer market by 2023 due to tens of thousands of lawsuits brought by people alleging they developed non-Hodgkin lymphoma from exposure to the company’s glyphosate herbicides, such as Roundup.

Most widely used pesticide

According to a February 2016 study, glyphosate is the most widely used pesticide: “In the U.S., no pesticide has come remotely close to such intensive and widespread use.” Findings include:

  • Americans have applied 1.8 million tons of glyphosate (or 1.6 billion kilograms) since its introduction in 1974 to 2014. 
  • Worldwide 9.5 million tons (or 8.6 billion kilograms) of the chemical has been sprayed on fields – enough to spray nearly half a pound of Roundup on every cultivated acre of land in the world, according to an examination of data from 1994-2014.
  • Globally, glyphosate use has risen almost 15-fold since Roundup Ready GMO crops were introduced. 
  • Approximately 281 million pounds of glyphosate was applied to 298 million acres annually in U.S. agricultural settings, on average, from 2012 to 2016, according to the Environmental Protection Agency. Most glyphosate was applied to soybean (117.4 million lbs applied annually), corn (94.9 million lbs applied annually), and cotton (20 million lbs applied annually). Many citrus fruits, including grapefruit, oranges, and lemons, and field crops such as soybeans, corn, and cotton have  high percentages of their acres treated with glyphosate. Approximately 24 million pounds of glyphosate are applied to non-agricultural sites annually, on average, from 2012 through 2016, according to EPA.  The majority of non-agricultural use is in the homeowner market. About 5 million lbs is applied annually for residential use.

Statements from scientists and health care providers 

  • Statement by the International Federation of Gynecology and Obstetrics (FIGO) Reproductive and Environmental Health Committee: “We recommend that glyphosate exposure to populations should end with a full global phase out.” (7.2019) 
  • Essay in Journal of Epidemiology and Community Health: “Is it time to reassess safety standards for glyphosate based herbicides?” (6.2017)
  • Consensus statement in Environmental Health Journal: “Concerns over use of glyphosate-based herbicides and risks associated with exposures: a consensus statement” (2.2016)
  • Monsanto owner Bayer AG maintains that glyphosate and glyphosate-based herbicides are safe when used as directed and do not cause cancer.  “Glyphosate is one of the most studied herbicides in the world – and, like all crop protection products, it is subject to rigorous testing and oversight by regulatory authorities,” Bayer states on its website. “There is an extensive body of research on glyphosate and glyphosate-based herbicides…  that confirm that glyphosate and our glyphosate-based formulated products can be used safely and do not cause cancer.”  

Concerns with corporate studies

Regulators in Europe and the United States, Canada and elsewhere have repeatedly affirmed the corporate assertions of glyphosate safety. In coming to determinations about safety these regulators have relied in part on tests that are conducted by or for the companies that have not been published or peer reviewed.  

The corporate studies have long been kept secret, even by regulators. But in Europe, litigation by a group of European Parliament lawmakers led to the release of dozens of such studies. More than 50 of those corporate studies were analyzed in 2021 by two independent scientists – Armen Nersesyan and Siegfried Knasmueller, both from the Institute of Cancer Research, Department of Medicine at the Medical University of Vienna.

The goal of the analysis was to determine if the industry studies examined comply with current international guidelines for chemical testing. 

The resulting analysis was released July 2, 2021 and concluded that the bulk of the industry studies were outdated and did not meet current guidelines. An array of shortcomings and flaws were found in the studies, rendering most of them unreliable, according to the analysis.

In fact, of the 53 studies submitted to regulators by the companies, only two were acceptable under current internationally recognized scientific standards, said Knasmueller. See more details here. 

Cancer concerns

The scientific literature and regulatory conclusions regarding glyphosate and glyphosate-based herbicides show a mix of findings, making the safety of the herbicide a hotly debated subject. 

In 2015, the World Health Organization’s International Agency for Research on Cancer (IARC) classified glyphosate as “probably carcinogenic to humans” after reviewing years of published and peer-reviewed scientific studies. The team of international scientists found there was a particular association between glyphosate and non-Hodgkin lymphoma.

U.S. agencies: At the time of the IARC classification, the Environmental Protection Agency (EPA) was conducting a registration review. The EPA’s Cancer Assessment Review Committee (CARC) issued a report in September 2016 concluding that glyphosate was “not likely to be carcinogenic to humans” at doses relevant to human health. In December 2016, the EPA convened a Scientific Advisory Panel to review the report; members were divided in their assessment of EPA’s work, with some finding the EPA erred in how it evaluated certain research. Additionally, the EPA’s Office of Research and Development determined that EPA’s Office of Pesticide Programs had not followed proper protocols in its evaluation of glyphosate, and said the evidence could be deemed to support a “likely” carcinogenic or “suggestive” evidence of carcinogenicity classification. Nevertheless the EPA issued a draft report on glyphosate in December 2017 continuing to hold that the chemical is not likely to be carcinogenic. In April 2019, the EPA reaffirmed its position that glyphosate poses no risk to public health. But earlier that same month, the U.S. Agency for Toxic Substances and Disease Registry (ATSDR) reported that there are links between glyphosate and cancer. According to the draft report from ATSDR, “numerous studies reported risk ratios greater than one for associations between glyphosate exposure and risk of non-Hodgkin’s lymphoma or multiple myeloma.” 

The EPA issued an Interim Registration Review Decision in January 2020 with updated information about its position on glyphosate, continuing to hold the position that glyphosate is unlikely to cause cancer. 

European Union: The European Food Safety Authority and the European Chemicals Agency have said glyphosate is not likely to be carcinogenic to humans. A March 2017 report by environmental and consumer groups argued that regulators relied improperly on research that was directed and manipulated by the chemical industry. A 2019 study found that Germany’s Federal Institute for Risk Assessment report on glyphosate, which found no cancer risk, included sections of text that had been plagiarized from Monsanto studies.  In February 2020, reports surfaced that 24 scientific studies submitted to the German regulators to prove the safety of glyphosate came from a large German laboratory that has been accused of fraud and other wrongdoing.

In June 2021, the European Union’s (EU) Assessment Group on Glyphosate (AGG) issued an 11,000-page draft report concluding that glyphosate is safe when used as directed and does not cause cancer. The finding is based in part on a dossier of roughly 1,500 studies submitted to European regulators by the “Glyphosate Renewal Group (GRG),” a collection of companies that includes Monsanto owner Bayer AG. The companies are seeking the renewal of the EU authorization of glyphosate. Current authorization in Europe expires in December 2022. The companies say they also gave regulators a “literature review” of around 12,000 published scientific articles on glyphosate.

WHO/FAO Joint Meeting on Pesticide Residues determined in 2016 that glyphosate was unlikely to pose a carcinogenic risk to humans from exposure through the diet, but this finding was tarnished by conflict of interest concerns after it came to light that the chair and co-chair of the group also held leadership positions with the International Life Sciences Institute, a group funded in part by Monsanto and one of its lobbying organizations.

California OEHHA: On March 28, 2017, the California Environmental Protection Agency’s Office of Environmental Health Hazard Assessment confirmed it would add glyphosate to California’s Proposition 65 list of chemicals known to cause cancer. Monsanto sued to block the action but the case was dismissed. In a separate case, the court found that California could not require cancer warnings for products containing glyphosate. On June 12, 2018, a U.S. District Court denied the California Attorney General’s request for the court to reconsider the decision. The court found that California could only require commercial speech that disclosed “purely factual and uncontroversial information,” and the science surrounding glyphosate carcinogenicity was not proven.

Agricultural Health Study: A long-running U.S. government-backed prospective cohort study of farm families in Iowa and North Carolina has not found any connections between glyphosate use and non-Hodgkin lymphoma, but the researchers reported that “among applicators in the highest exposure quartile, there was an increased risk of acute myeloid leukemia (AML) compared with never users…” The most recent published update to the study was made public in late 2017.

Recent studies linking glyphosate to cancer and other health concerns 

Cancer

Endocrine disruption, fertility and reproductive concerns 

Liver disease 

  • A 2017 study associated chronic, very low-level glyphosate exposures to non-alcoholic fatty liver disease in rats. According to the researchers, the results “imply that chronic consumption of extremely low levels of a GBH formulation (Roundup), at admissible glyphosate-equivalent concentrations, are associated with marked alterations of the liver proteome and metabolome,” the biomarkers for NAFLD.

Microbiome disruption

  • November 2020 paper in the Journal of Hazardous Materials reports that approximately 54 percent of species in the core of the human gut microbiome are “potentially sensitive” to glyphosate. With a “large proportion” of bacteria in the gut microbiome susceptible to glyphosate, the intake of glyphosate “may severely affect the composition of the human gut microbiome,” the authors said in their paper. 
  • A 2020 literature review of glyphosate’s effects on the gut microbiome concludes that, “glyphosate residues on food could cause dysbiosis, given that opportunistic pathogens are more resistant to glyphosate compared to commensal bacteria.” The paper continues, “Glyphosate may be a critical environmental trigger in the etiology of several disease states associated with dysbiosis, including celiac disease, inflammatory bowel disease and irritable bowel syndrome. Glyphosate exposure may also have consequences for mental health, including anxiety and depression, through alterations in the gut microbiome.”
  • A 2018 rat study conducted by the Ramazzini Institute reported that low-dose exposures to Roundup at levels considered safe significantly altered the gut microbiota in some of the rat pups.
  • Another 2018 study reported that higher levels of glyphosate administered to mice disrupted the gut microbiota and caused anxiety and depression-like behaviors.

Neurotoxicity

  • A large nationwide study published in the journal NeuroToxicology (December 2021) reports that “several neurotoxic pesticide exposures estimated using residential location were associated with statistically significant increased risk of ALS (amyotrophic lateral sclerosis). These include the herbicides 2,4-D and glyphosate, and the insecticides carbaryl and chlorpyrifos.” ALS is a progressive nervous system disease that affects nerve cells in the brain and spinal cord, causing loss of muscle control. 

Harmful impacts bees and monarch butterflies

Cancer lawsuits

More than 42,000 people have filed suit against Monsanto Company (now Bayer) alleging that exposure to Roundup herbicide caused them or their loved ones to develop non-Hodgkin lymphoma (NHL), and that Monsanto covered up the risks. As part of the discovery process, Monsanto has had to turn over millions of pages of internal records. We are posting these Monsanto Papers as they become available. For news and tips about the ongoing legislation, see Carey Gillam’s Roundup Trial Tracker. The first three trials ended in large awards to plaintiffs for liability and damages, with juries ruling that Monsanto’s weed killer was a substantial contributing factor in causing them to develop NHL. Bayer is appealing the rulings. 

Monsanto influence in research: In March 2017, the federal court judge unsealed some internal Monsanto documents that raised new questions about Monsanto’s influence on the EPA process and about the research regulators rely on. The documents suggest that Monsanto’s long-standing claims about the safety of glyphosate and Roundup do not necessarily rely on sound science as the company asserts, but on efforts to manipulate the science

More information about scientific interference

Sri Lankan scientists awarded AAAS freedom award for kidney disease research

The AAAS has awarded two Sri Lankan scientists, Drs. Channa Jayasumana and Sarath Gunatilake, the 2019 Award for Scientific Freedom and Responsibility for their work to “investigate a possible connection between glyphosate and chronic kidney disease under challenging circumstances.” The scientists have reported that glyphosate plays a key role in transporting heavy metals to the kidneys of those drinking contaminated water, leading to high rates of chronic kidney disease in farming communities. See papers in  SpringerPlus (2015), BMC Nephrology (2015), Environmental Health (2015), International Journal of Environmental Research and Public Health (2014). The AAAS award had been suspended amidst a fierce opposition campaign by pesticide industry allies to undermine the work of the scientists. After a review, the AAAS reinstated the award

Desiccation: another source of dietary exposures 

Some farmers use glyphosate on non-GMO crops such as wheat, barley, oats, and lentils to dry down the crop ahead of harvest in order to accelerate the harvest. This practice, known as desiccation, may be a significant source of dietary exposure to glyphosate.

Glyphosate in food: U.S. drags its feet on testing

Despite having annual pesticide residue testing programs for more than 30 years, the U.D. Department of Agriculture (USDA) and U.S. Food and Drug Administration (FDA) mostly skipped testing food for glyphosate until after criticism from the Government Accountability Office in 2014. The USDA said it would start testing but then dropped the plan in 2017. Internal agency documents obtained by U.S. Right to Know show the agency had planned to start testing over 300 samples of corn syrup for glyphosate in April 2017. But the agency killed the project before it started. The U.S. Food and Drug Administration began a limited testing program in 2016, but the effort was fraught with controversy and internal difficulties and the program was suspended in September 2016. The FDA did later resume limited testing. 

One FDA chemist found alarming levels of glyphosate in many samples of U.S. honey, levels that were technically illegal because there have been no allowable levels established for honey by the EPA. Here is a recap of news about glyphosate found in food:

Residues of glyphosate and other pesticides in food

USDA data from 2016 shows detectable pesticide levels in 85% of more than 10,000 foods sampled, everything from mushrooms to grapes to green beans. The government says there are little to no health risks, but some scientists say there is little to no data to back up that claim. See “Chemicals on our food: When “safe” may not really be safe: Scientific scrutiny of pesticide residue in food grows; regulatory protections questioned.”

In 2020, a group of FDA scientists published a research paper  examining pesticide residue data collected from 2009-2017. The scientists said this: “In this study, results for over 56,000 human food samples collected and analyzed under the FDA pesticide residue monitoring program between fiscal years (FY) 2009 to 2017 were reviewed to identify trends not apparent in annual reports. The overwhelming majority of these samples, 98.0% of domestic and 90.9% of import human foods, were compliant with federal standards. Although herbicides may be more widely used, the 10 most frequently detected residues were insecticides and fungicides. On a yearly basis, the violation rate for imported samples is 3-5 times higher than the rate for domestic samples. The import violation rate increased over time, as did the number of residues detected. Targeted sampling of foods with higher commodity-specific violation rates appears to be a major contributor to the increased violation rate. Mismatches between US tolerances and international MRLs can lead to violations; this was especially marked for rice. Overall, the majority of violations are due to residues of pesticides not authorized for use in the US (lack of tolerances). While DDT continues to persist in the environment and was found in 2.2% of domestic samples and 0.6% of imported samples, 42.3% of DDT-positive samples were below the limit of quantitation. The trends and analyses identified in this paper may help FDA plan future sampling and continue to protect the food supply.”

Monsanto owner Bayer AG maintains that residues of glyphosate in food are not harmful at levels approved by the Environmental Protection Agency.  A 2021 paper written by longtime Bayer (former Monsanto) scientist John Vicini and published in Comprehensive Reviews in Food Science and Food Safety states that  “dietary exposures to glyphosate are within established safe limits.” 

For a complete history of the use of glyphosate, including regulatory action and inaction, scientific controversies, human and environmental impact data, read Whitewash – The Story of a Weed Killer, Cancer and the Corruption of Science, winner of the 2018 Rachel Carson Book Award from the Society of Environmental Journalists.

Cancer patient lawyer spars with Monsanto scientist in California Roundup trial

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A lawyer for a woman claiming her use of Roundup herbicide caused her to develop non-Hodgkin lymphoma sparred with a longtime Monsanto scientist in court on Wednesday, forcing the scientist to address numerous internal corporate documents about research showing Monsanto weed killers could be genotoxic and lead to cancer.

The testimony by former Monsanto scientist Donna Farmer marked her second day on the stand and  came several weeks into the case of Donnetta Stephens v. Monsanto, the fourth Roundup trial in the United States, and the first since 2019. Juries in three prior trials all found in favor of plaintiffs who, like Stephens, alleged they developed non-Hodgkin lymphoma due to their use of Roundup or other Monsanto herbicides made with the chemical glyphosate. Thousands of people have filed similar claims.

Bayer AG, which bought Monsanto in 2018, has earmarked more than $14 billion to try to settle all of the U.S. Roundup litigation, but many plaintiffs have refused to settle, and cases continue to go to trial.

A “genotox hole”

In hours of contentious back-and-forth, interrupted repeatedly by objections from a Monsanto attorney, Stephens’ lawyer William Shapiro quizzed Monsanto toxicologist Donna Farmer about emails and documents dating back to the late 1990s that focused on research – and the company’s handling of that research – into whether or not the company’s herbicide products could cause cancer.

In one line of questioning, Shapiro asked Farmer about emails in which she and other company scientists discussed the company’s response to outside research that concluded the company’s glyphosate-based herbicides were genotoxic, meaning they damaged human DNA. Genotoxicity is an indicator that a chemical or other substance may cause cancer.

Shapiro focused during one series of questions on work done by a scientist named James Parry, who Monsanto hired as a consultant in the 1990s to weigh in on the genotoxicity concerns about Roundup being raised at the time by outside scientists. Parry’s report agreed there appeared to be “potential genotoxic activity” with glyphosate, and recommended that Monsanto do additional studies on its products.

In an internal Monsanto email dating from September 1999 written to Farmer and other company scientists, a Monsanto scientist named William Heydens said this about Parry’s report: “let’s step back and look at what we are really trying to achieve here. We want to find/develop someone who is comfortable with the genetox profile of glyphosate/Roundup and can be influential with regulators and Scientific Outreach operations when genetox issues arise. My read is that Parry is not currently such a person, and it would take quite some time and $$$/studies to get him there. We simply aren’t going to do the studies Parry suggests.”

In a separate email revealed through the litigation, Farmer wrote that Parry’s report put the company into a “genotox hole” and she mentioned a suggestion by a colleague that the company should “drop” Parry.

Farmer testified that her mention of a “genotox hole” referred to problems with “communication” not about any cancer risk. She also said that she and other Monsanto scientists did not have concerns with the safety of glyphosate or Roundup, but did have concerns about how to respond to paper and research by outside scientists raising such concerns.

Shapiro pressed Farmer on her reaction to Parry’s finding: “You thought it would be okay on behalf of Monsanto to receive information as you did from Dr. Parry that this Roundup product was genotoxic or could be, you thought it would be okay to go ahead and continue to sell the product, correct?”

Farmer replied: “We didn’t agree with Professor Parry’s conclusions at the time that it may be, could be, capable of being genotoxic. We had other evidence….  We had regulators who had agreed with our studies and conclusions that it was not genotoxic.”

Her answer was interrupted as Shapiro objected, saying he was asking a yes or no question and Farmer’s attempt to respond beyond that should be stricken. The judge agreed and struck part of the response.

Continuing his questioning, Shapiro asked: “Well that didn’t work out to have Dr. Parry be the spokesperson for Monsanto, did it Dr. Farmer?

“I would disagree with you because there is still a lot more to this Professor Parry, working with him, and I’d be happy to…” Farmer replied before being cut off by another Shapiro objection and the judge’s striking of everything following the first five words.

A similar pattern played out throughout Farmer’s testimony as Stephens’ lawyer objected to Farmer’s attempts to provide extended answers to multiple questions posed, and Monsanto’s lawyer Manuel Cachan objecting repeatedly to Shapiro’s questions as “argumentative.”

Ghostwriting and “FTO”

Shapiro asked Farmer to address multiple issues expressed in the internal corporate emails, including one series in which Monsanto scientists discussed ghostwriting scientific papers, including a very prominent paper published in the year 2000 that asserted there were no human health concerns with glyphosate or Roundup.

Shapiro additionally asked Farmer to address a strategy Monsanto referred to in emails as “Freedom to Operate” or “FTO”. Plaintiffs’ lawyers have presented FTO as Monsanto’s strategy of doing whatever it took to lessen or eliminate restrictions on its products.

And he asked her about Monsanto emails expressing concerns about research into dermal absorption rates – how fast its herbicide might absorb into human skin.

Farmer said multiple times that information was not being presented in the correct context, and she would be happy to provide detailed explanations for all of the issues raised by Shapiro, but was told by the judge she would need to wait until questioning by Monsanto’s lawyers to do so.

Zoom trial

The Stephens trial is taking place under the oversight of Judge Gilbert Ochoa of the Superior Court of San Bernardino County in California. The trial is being held via Zoom due to concerns about the spread of Covid-19, and numerous technical difficulties have plagued the proceedings. Testimony has been halted multiple times because jurors have lost connections or had other problems that inhibited their ability to hear and view the trial testimony.

Stephens is one of tens of thousands of plaintiffs who filed lawsuits against Monsanto after the World Health Organization’s cancer experts classified glyphosate as a probable human carcinogen with an association to non-Hodgkin lymphoma.

The three prior trials were all lengthy, in-person proceedings loaded with weeks of highly technical testimony about scientific data, regulatory matters and documents detailing internal Monsanto communications.

Monsanto lawyer cross-examines cancer patient over her claims Roundup caused her disease

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A California woman suing Monsanto over allegations that her use of Roundup weed killer caused her to develop cancer testified Monday that she had a hard time remembering many details about the extent of her use of the pesticide, struggling to answer several questions posed by a Monsanto attorney.

In cross examination, Monsanto attorney Bart Williams pressed plaintiff Donnetta Stephens on how much and when she had used the company’s popular herbicide before she was diagnosed with non-Hodgkin lymphoma in 2017. Peppering Stephens with questions about changes in information she provided in depositions and interrogatories, the company’s lawyer sought to cast doubt on the span and volume of her actual use and exposure.

In testimony last week, Stephens’ son David Stephens recalled his mother’s frequent use of Roundup and her tendency to wear sleeveless shirts and shorts when outside spraying the weed killer. He described recalling her use when he was a child and seeing that use continuing when he was an adult.

But in Monday’s testimony, Williams sought to undermine Donnetta Stephens credibility, implying that her son and husband were the architects of many of her answers about her use of Roundup provided in pre-trial documents.

He said that Stephens and her husband had “changed your story about the length of time you had used Roundup,” saying initially her use dated back to 2003 but then saying the use began in 1985.

Stephens acknowledged that her memories of her use were aided by information from her family.

“You and I agree that one should not swear to something, accuracy, if you don’t know whether it is true or not.  That is my question,” Monsanto’s lawyer addressed Stephens.

“At that time, I believed it to be true, yes sir,” she replied.

“You believed it to be true solely because that’s what your husband or your son said, correct?” Williams  asked.

“Yes,” Stephens answered.

The line of questioning was anticipated in a June filing by Stephens’ lawyers, explaining to the judge that Stephens is in frail health after six cycles of chemotherapy and has suffered significant memory loss, making her “unable to recall certain Roundup exposures.”

She had told lawyers initially that her exposure extended over 14 years but amended that to say it was  closer to 30 years after being reminded of her use of Roundup products at a property where she had previously lived, according to her lawyers.

In their June filing, Stephens lawyers said Monsanto’s attorneys were accusing them and Stephens of “engaging in gamesmanship,” and allegation they denied.

Stephens testified that she does remember that sometimes when she was spraying Roundup the wind would blow spray onto her bare skin. She said she would not immediately wash it off, showering only after she completed her yardwork.

“It was all over me,” Stephens said.

At one point Monsanto’s attorney asked Stephens about her relationship with her children. When Stephens insisted she was close to her children, Monsanto’s attorney played a video deposition of a previous statement she had made saying the opposite.

Longtime Monsanto scientist Donna Farmer is scheduled to testify Tuesday.

Monsanto is owned by Germany’s Bayer AG. Bayer bought Monsanto in 2018.

Preference case

Stephens’ trial is a “preference” case, meaning her case was expedited after her lawyers informed the court that Stephens was “in a perpetual state of pain” and losing cognition and memory.

The case is being tried in the Superior Court of San Bernardino County in California under the oversight of Judge Gilbert Ochoa. It is the fourth Roundup cancer trial to take place in the United States and the first since 2019. Juries in all three prior trials found in favor of the plaintiffs, agreeing with claims that Monsanto’s glyphosate-based weed killers, such as Roundup, cause non-Hodgkin lymphoma and Monsanto spent decades covering up the risks, and failing to warn users.

Stephens is one of tens of thousands of plaintiffs who filed lawsuits against Monsanto after the World Health Organization’s cancer experts classified glyphosate as a probable human carcinogen with an association to non-Hodgkin lymphoma.

The three prior trials were all lengthy, in-person proceedings loaded with weeks of highly technical testimony about scientific data, regulatory matters and documents detailing internal Monsanto communications.

Stephens trial is being held via Zoom due to concerns about the spread of Covid-19, and numerous technical difficulties have plagued the proceedings. On Monday, the trial was stopped several times because jurors lost connections or had other problems that inhibited their ability to hear and view the trial testimony.

Son testifies about his mother’s cancer alleged due to Roundup exposure

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A woman suffering from non-Hodgkin lymphoma was a devoted user of Roundup herbicide for decades before she became ill, her son testified Tuesday in a California trial that marks the fourth such trial pitting a cancer victim against Roundup maker Monsanto.

Under questioning by a lawyer representing plaintiff Donetta Stephens, her son David Stephens recalled his mother’s frequent use of Roundup in the yard and her tendency to wear sleeveless shirts and shorts when outside spraying the weed killer. He described recalling her use when he was a child and that use continuing when he was an adult and had his own children.

Stephens also testified about a family gathering in which his mother broke the news of her cancer to the family, the lengthy series of medical treatments that followed, his mother’s memory loss and other treatment-related problems, and a period in which his mother was hospitalized multiple times and nearly died.

Stephens is one of tens of thousands of plaintiffs who filed lawsuits against Monsanto after the World Health Organization’s cancer experts in 2015 classified glyphosate as a probable human carcinogen with an association to non-Hodgkin lymphoma. Glyphosate is the active ingredient in Roundup and other weed killing brands.

Bayer AG bought Monsanto in June 2018 just as the first trial was getting underway.

Three previous trials held to date were all found in favor of the plaintiffs. Jurors in those trials agreed with claims that Monsanto’s glyphosate-based weed killers, such as Roundup, cause non-Hodgkin lymphoma, and that Monsanto spent decades covering up the risks and failing to warn users.

The Stephens case is being tried in the Superior Court of San Bernardino County in California under the oversight of Judge Gilbert Ochoa. Though the trial started in person, Judge Ochoa ordered the proceedings shifted to a Zoom trial due to concerns about the spread of Covid-19 virus.

In testimony Tuesday, David Stephens broke down, emotionally describing a time when it appeared his mother was near death, and speaking of a photo he took of her that he thought at the time would be the last.

“I took that picture because when you think that your mother is going to die and that could be the last picture…,” Stephens said haltingly. “I wanted to take that picture so I could remember…”

Donnetta Stephens is now in remission from cancer but has been left debilitated, her son testified.

Former Monsanto scientist Donna Farmer will be called to testify next week, according to Stephens’ lawyer Fletch Trammell.

Technical trouble

The trial has been plagued by technical issues since the transition to a virtual setting through Zoom. There have been multiple times proceedings have been halted because a lawyer or juror loses an audio or video connection or experiences other difficulties. The virtual format has also proven problematic at times for the presentation of certain exhibits.

A courtroom attendant has been assigned to monitor jurors to determine if they are paying attention, and to alert the judge to lost connections or other problems.

In Tuesday’s testimony, as Monsanto lawyer Manuel Cachan was attempting to cross examine Stephens, questioning the reliability of his memory regarding his mother’s use of Roundup, the technical trouble kicked in again.

“I’m sorry for the interruption, juror number 13 is having issues, just starting to quote unquote glitch out,” the courtroom attendant interjected.

Minutes later: “Pardon me… juror number 11 has just disconnected,” the courtroom attendant interrupted again.

Some legal observers have speculated that the losing party in the trial will have an easy avenue for appeal given the persistent interruptions and difficulties.

Trial overlap

A fifth Roundup trial was starting jury selection this week in a case involving a boy with non-Hodgkin lymphoma.

The child, Ezra Clark, is the subject of a trial beginning this week in Los Angeles County Superior Court. Clark was “directly exposed” to Roundup many times as he accompanied his mother while she sprayed Roundup to kill weeds around the property where the family lived, according to court documents. Ezra sometimes played in freshly sprayed areas, according to the court filings.

Ezra was diagnosed in 2016, at the age of 4, with Burkitt’s lymphoma, a form of NHL that has a high tendency to spread to the central nervous system, and can also involve the liver, spleen and bone marrow, according to the court filings.

Ezra’s mother, Destiny Clark, is the plaintiff in the case, filing on behalf of Ezra.

Opening statements in the Clark trial are scheduled to begin Wednesday morning.

Bayer denies any cancer connection

Bayer has earmarked more than $14 billion to try to settle the litigation and has announced it will stop selling glyphosate-based herbicides to consumers by 2023. But the company still insists that the herbicides it inherited from Monsanto do not cause cancer.

Last month Bayer filed a writ of certiorari with the U.S. Supreme Court, seeking the high court’s review of the Ninth Circuit Court of Appeals’ decision in the case of Hardeman v. Monsanto. 

The move is widely seen as Bayer’s best hope for putting an end to claims that exposure to Monsanto’s glyphosate-based herbicides, such as the popular Roundup brand, cause non-Hodgkin lymphoma, and the company failed to warn users of the risks.

During the month-long trial in 2019, lawyers for plaintiff Edwin Hardeman presented jurors with a range of scientific research showing cancer connections to Monsanto’s herbicides as well as evidence of many Monsanto strategies aimed at suppressing the scientific information about the risks of its products. Internal Monsanto documents showed the company’s scientists had engaged in secretly ghost-writing scientific papers that the company then used to help convince regulators of product safety.

Bayer Roundup trial goes virtual, and it does not go well

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In fits and starts, and with a good dose of frustration over technical difficulties, a California trial pitting an elderly cancer victim against Monsanto owner Bayer AG resumed on Monday in a virtual format after in-person proceedings were suspended last week, reportedly due to concerns about the spread of Covid-19.

Due to an array of technical problems, lawyers for plaintiff Donnetta Stephens were only able to present abbreviated testimony on Monday from expert witness Charles Benbrook, a former research professor who served at one time as executive director of the National Academy of Sciences board on agriculture.

Benbrook is considered a key witness, and is being called to testify about topics that include the history of scientific submissions to the U.S. Environmental Protection Agency (EPA) by Monsanto and alleged regulatory shortcomings.

The case, which is being tried in the Superior Court of San Bernardino County in California under the oversight of Judge Gilbert Ochoa,  is the fourth Roundup cancer trial to take place in the United States and the first since 2019. Juries in all three prior trials found in favor of the plaintiffs, agreeing with claims that Monsanto’s glyphosate-based weed killers, such as Roundup, cause non-Hodgkin lymphoma and Monsanto spent decades covering up the risks, and failing to warn users.

Stephens is one of tens of thousands of plaintiffs who filed lawsuits against Monsanto after the World Health Organization’s cancer experts classified glyphosate as a probable human carcinogen with an association to non-Hodgkin lymphoma.

The three prior trials were all lengthy, in-person proceedings loaded with weeks of highly technical testimony about scientific data, regulatory matters and documents detailing internal Monsanto communications.

Monday’s proceedings indicated that both sides may face significant challenges in trying to convey and combat the evidence and testimony in a virtual format.

Among the issues on Monday, a court reporter couldn’t fully hear the exchanges between lawyer and witness; jurors had difficulty turning on their computer cameras, a requirement issued by the judge; and the judge himself had to relocate at one point in an effort to improve audio transmission.

A courtroom attendant reassured the judge that he was checking in on the jurors every ten minutes and “it appeared that they were all paying attention.”

At one point when calling a break, Judge Ochoa pleaded: “Ladies and gentleman of the jury please, whatever you do, don’t turn off your computers, don’t touch them, just leave them alone and hopefully everybody’s computer will play nice.”

The judge recessed for the day in mid-afternoon, thanking the jurors for their patience.

“We did have some major technical difficulties,” Judge Ochoa said. He noted, however, that they “did make history” by holding the court’s first “Zoom trial.”