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Texas Attorney General Ken Paxton Sues Sanofi, Bristol-Myers Squibb for Allegedly Concealing Plavix's Ineffectiveness in Certain Racial Groups

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Published on November 21, 2025
Texas Attorney General Ken Paxton Sues Sanofi, Bristol-Myers Squibb for Allegedly Concealing Plavix's Ineffectiveness in Certain Racial GroupsSource: Wikipedia/Jonathan Schilling, CC BY-SA 4.0, via Wikimedia Commons

Texas Attorney General Ken Paxton has filed a lawsuit against pharmaceutical companies Sanofi and Bristol-Myers Squibb over the drug Plavix, which is used to prevent heart attacks and strokes. The lawsuit claims the companies failed to disclose that the drug may be ineffective for certain racial groups, potentially resulting in financial costs for patients without health benefits. According to the Texas Attorney General’s office, this issue represents a serious concern regarding the disclosure of drug effectiveness.

A key issue in the lawsuit is the claim that Plavix was promoted as effective for all patients in preventing dangerous blood clots, but it may not work as intended for Black, East Asian, and Pacific Islander patients. The Texas lawsuit asserts that this led to patients receiving less effective treatment. The companies, Bristol-Myers Squibb and Sanofi, are accused of placing financial interests above patient care. The lawsuit is based on alleged violations of the Texas Health Care Program Fraud Prevention Act, which is designed to protect consumers from health care fraud.

Attorney General Paxton criticized the pharmaceutical companies, stating that their actions put patients at risk and that Sanofi and Bristol-Myers Squibb will face consequences under Texas law. Texas is pursuing legal action against the companies involved. Attorney General Paxton stated that healthcare and pharmaceutical companies that put patients’ health at risk will be held accountable.