Syntex controversies
Controversies tied to this brand in public sources. A listing is not a finding of fault.
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1976
Fraudulent naproxen toxicology analysis
Syntex submitted a fraudulent toxicology analysis concerning naproxen. The matter contributed to the FDA's exposure of extensive scientific misconduct at Industrial Bio-Test Laboratories.
Alleged animal cruelty in equine hormone production
Animal-protection organizations have alleged that Syntex was involved in exporting equine chorionic gonadotropin produced in South America under conditions involving cruelty to laboratory mares, including live abortions, beatings, and insufficient veterinary care.