Navigating the FDA Complete Response Letter: The Xeljanz Resubmission Journey
Hello Regulatory Scientists, Today, let’s dive into the fascinating journey of Xeljanz (tofacitinib) from receiving an FDA Complete Response Letter (CRL) to eventual approval. This case study not only sheds light on the intricacies of regulatory processes but also offers valuable lessons for those developing drugs today. Regulatory History and Initial Submission Drug: Xeljanz (tofacitinib) […]