Unlocking Flexibility: FDA’s 2025 Guidance on pH Adjuster Waivers for Complex Generics
Introduction The guidance addresses how generic-drug applicants (via an Abbreviated New Drug Application, ANDA) may request a waiver under 21 CFR 314.99(b) of the requirement in 21 CFR 314.94(a)(9)(iii) and (iv) that inactive ingredients (specifically pH adjusters) in a generic product be qualitatively (Q1) and quantitatively (Q2) the same as the Reference Listed Drug (RLD), […]
Development of Non-Opioid Analgesics for Chronic Pain
The Food and Drug Administration (FDA or Agency) is announcing the availability of a draft guidance for industry entitled “Development of Non-Opioid Analgesics for Chronic Pain.” This guidance is intended to assist sponsors in the development of non-opioid analgesics for the treatment of chronic pain. It describes FDA’s current recommendations regarding phase 3 trials for […]
Erosive Esophagitis: Developing Drugs for Treatment
The Food and Drug Administration (FDA, Agency, or we) is announcing the availability of a draft guidance for industry entitled “Erosive Esophagitis: Developing Drugs for Treatment.” The draft guidance details recommendations on clinical trials for drugs being developed for the healing of erosive esophagitis (EE) and maintenance of healed EE in adults, including considerations for […]