What does this complete response letter mean for BLA 761266?
Application reviewed but not approved; deficiencies must be corrected. Requires resubmission addressing deficiencies. FDA issued this letter to Tanvex BioPharma USA, Inc. on June 23, 2026.
What is BLA 761266?
BLA 761266 is the application under which FDA issued this complete response letter to Tanvex BioPharma USA, Inc.. The letter is dated June 23, 2026.
What happens after an FDA complete response letter?
FDA will not approve the application in its present form. The sponsor can resubmit after addressing every deficiency listed in the letter — which starts a Class 1 (two-month) or Class 2 (six-month) resubmission review clock — withdraw the application, or request an opportunity for a hearing.