Drug Versioning and Legal Accountability

Drug Versioning and Legal Accountability

To the Editor In a Viewpoint, Dr Tu and Mr Bonis argued that Gilead Sciences could be liable for the failure to prioritize the development of tenofovir alafenamide fumarate (TAF), a potentially safer version of its approved drug tenofovir disoproxil fumarate (TDF). They argued that the potential for liability will motivate drug companies to accelerate the development of newer versions of their drugs and benefit public health. However, drug versi…