State v. Bristol-Myers Squibb Company

Procedural entryThis page is a short order in State v. Bristol-Myers Squibb Company. Read the opinion of the Court — 152 Haw. 418
Hawaii Supreme Court·Decided March 30, 2023·No. SCAP-21-0000363·Published

Opinion

Electronically Filed

Supreme Court

SCAP-XX-XXXXXXX

30-MAR-2023

07:58 AM

Dkt. 69 OPD

IN THE SUPREME COURT OF THE STATE OF HAWAIʻI ---o0o---

STATE OF HAWAIʻI, EX REL. HOLLY T. SHIKADA, ATTORNEY GENERAL, Plaintiff-Appellee,

vs.

BRISTOL-MYERS SQUIBB COMPANY; SANOFI-AVENTIS U.S. LLC;

SANOFI US SERVICES INC., formerly known as SANOFI-AVENTIS U.S. INC.; and SANOFI-SYNTHELABO LLC, Defendants-Appellants,

and

SANOFI S.A., Defendant-Appellant.

SCAP-XX-XXXXXXX

CERTIORARI TO THE INTERMEDIATE COURT OF APPEALS (CAAP-XX-XXXXXXX; CASE NO. 1CC141000708)

MARCH 30, 2023

RECKTENWALD, C.J., NAKAYAMA, McKENNA, WILSON, AND EDDINS, JJ.

DISSENTING OPINION BY WILSON, J.

I. INTRODUCTION

The Majority’s holding strips protection from a global set of consumers who unwittingly took Plavix without understanding that it imposed risk of heart attack, stroke and death. These consumers did not understand Plavix imposed grave risk because they were deceived, in violation of Hawaiʻi’s Unfair or Deceptive Acts or Practices law (“UDAP”), by pharmaceutical companies Bristol-Myers Squibb (“BMS”) and Sanofi (together, the “Defendants”). BMS and Sanofi deceived consumers for approximately eleven years by failing to warn that they may respond poorly to Plavix—the antiplatelet drug consumers were trusting to save their life. The Defendants earned approximately $74 billion selling Plavix from the drug’s launch in December of 1998 through 2012. Yet the record reflects that BMS and Sanofi knew in March of 1998, prior to Plavix’s launch in December of 1998, that almost one-third of Plavix patients (32.2%) received less than 20% of Plavix’s antiplatelet effect, making them a “poor responder.” BMS and Sanofi omitted this “poor responder” information from the Plavix label. This omission constituted a failure to warn, and exposed Plavix poor responders to what was quantified in 2008 to be “a 50 percent greater risk of having a heart attack, a stroke or death.” This deception by omission perpetrated by BMS and Sanofi lasted approximately eleven years, until the Food and Drug

Administration (“FDA”) compelled the Defendants to update the Plavix label with a warning to consumers about the increased risks of death and serious injury to Plavix poor responders.

Antiplatelet drugs are used to treat medical patients already at increased risk of heart attack, stroke and death. This acutely vulnerable set of consumers were victimized by BMS and Sanofi’s omission of the poor responder issue, and the systematic suppression of information and research into the variability of response to Plavix. This egregious conduct deprived consumers of Plavix’s promised antiplatelet effect, and prevented them from undergoing genetic testing to determine whether they were poor responders who should seek alternative drugs or treatment.

At issue in this case is the viability of the legal framework protecting consumers whose lives depend on pharmaceutical companies not deceiving them about the safety and efficacy of the drugs they sell. The Circuit Court of the First Circuit (“circuit court”) was correct to grant summary judgment on materiality as a matter of law. The judgment and penalties should be affirmed.

II. BACKGROUND

BMS and Sanofi brought Plavix to market in December of 1998 knowing that almost one-third of patients who take Plavix would be poor responders, and would not receive the drug’s

promised antiplatelet effect. This “poor responder” problem was discovered by the Defendants’ internal 1998 meta-analysis study. The Defendants also knew at Plavix launch that (1) the CYP2C19 enzyme played a principal role in Plavix metabolization; (2) the CYP2C19 enzyme was a 100% predictor of poor responders for the drug S-mephenytoin; and (3) genetic tests were available to determine one’s CYP2C19 status.

The variability in response to Plavix dramatically increased the risk of heart attack, stroke, and death for poor responders, and would ultimately become the single most important data point the FDA compelled BMS and Sanofi to warn consumers about. But because BMS and Sanofi omitted poor responder information from its labeling, failed to disclose it to the FDA, and suppressed research into why Plavix had a variability of response, the warning about poor responders didn’t reach Plavix’s label until 2009, approximately eleven years after the launch of Plavix.

The poor responder issue began its journey to disclosure when the Defendants submitted the 1998 meta-analysis study demonstrating the poor responder problem to the FDA in 2005—a full seven years after the poor responder problem was known to the Defendants. When the Defendants did submit the 1998 meta-analysis to the FDA in 2005, it was submitted as an appendix to a separate, subsequent study, and not as a stand-

alone disclosure of the 1998 meta-analysis itself. There is nothing in the record to support the inference that the FDA became aware of the poor responder issue as a result of the 2005 submission of the 1998 meta-analysis study.

In 2006, independent researcher Dr. Jean-Sebastien Hulot published a study supporting the hypothesis that CYP2C19 was linked to reduced clopidogrel responsiveness (Plavix’s chemical name is “clopidogrel”). In October 2008, a study concluded that when the drug Omeprazole, a drug known to impede CYP2C19’s function, was given to patients who were taking Plavix, the Omeprazole caused a corresponding reduction in Plavix’s antiplatelet effect, making those patients more likely to have diagnostic codes for heart attack and stroke than Plavix patients not taking Omeprazole.

This study caused significant concern at the FDA, and a December 5, 2008 meeting was called between the FDA, BMS and Sanofi. The FDA pressed BMS and Sanofi for information regarding (1) the implications of CYP2C19 impact on Plavix effectiveness, and (2) how the Plavix label should be updated accordingly.

Just two weeks later, and before any changes were made to the Plavix label, Dr. Jessica Mega published her study on December 22, 2008 (the “Mega study”) which showed that carriers of a reduced-function CYP2C19 allele (poor responders) “had a

three-fold greater risk of clotting their stent, and a 50 percent greater risk of having a heart attack, a stroke or death.”

Several months later, the FDA amended Plavix’s label to include the poor responder issue and warn consumers about the increased risk of heart attack, death and stroke (“higher cardiovascular event rates”) for poor responders (“patients with genetically reduced CYP2C19 function”): “Based on literature data, patients with genetically reduced CYP2C19 function have lower systemic exposure to the active metabolite of clopidogrel and diminished antiplatelet responses, and generally exhibit higher cardiovascular event rates following myocardial infarction than do patients with normal CYP2C19 function[.]”

In May of 2010 the FDA compelled BMS and Sanofi to place the CYP2C19 poor responder information in a boxed warning. The FDA boxed warning is the most serious warning a drug label can reflect, and is particularly reserved for warnings that may lead to death or serious injury. The Plavix boxed warning prominently alerts the consumer of “diminished effectiveness” for “poor metabolizers” (poor responders) who take Plavix

because they “exhibit higher cardiovascular event rates” (heart attack, stroke or death)1 than non-poor responders:

For approximately eleven years, BMS and Sanofi omitted the poor responder problem from the Plavix label, exposing Plavix patients who were poor responders to a fifty-percent greater risk of heart attack, stroke and death, along with a three-fold risk of clotting their stent. Only when the Defendants’ hand was forced by independent research verifying Plavix’s CYP2C19 poor responder issue, followed by the FDA’s regulatory authority compelling the Defendants to revise their label, did the Plavix poor responder warning finally reach consumers.

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State v. Bristol-Myers Squibb Company, (haw 2023).

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