Transparency · openFDA

Complete response letters

FDA's letters telling drug and biologic applicants why an application was not approved as submitted. 458 records; openFDA updated it 2026-10-05. About this dataset

Newest records

Later approved?
  • Approved309
  • Unapproved149
  • Unicycive Therapeutics Inc. · NDA 218607

    yy U.S. FOOD & DRUG ADMINISTRATION NDA 218607 COMPLETE RESPONSE Unicycive Therapeutics Inc. Attention: Shalabh Gupta, MD, MPA President & CEO 1975 W. El Camino Real, Suite 204 Mountain View, CA 94040…

    COMPLETE RESPONSEUnapproved
  • Jiangsu Hengrui Pharmaceuticals Co., Ltd. · BLA 761308

    yy U.S. FOOD & DRUG ADMINISTRATION BLA 761308 COMPLETE RESPONSE Jiangsu Hengrui Pharmaceuticals Co., Ltd. c/o Hengrui U.S.A., Inc. Attention: Brahmaiah Kommanaboyina US Agent Head of U.S. Regulatory…

    COMPLETE RESPONSEUnapproved
  • Apiject Systems Corp. · NDA 219107

    PN U.S. FOOD & DRUG ADMINISTRATION NDA 219107 COMPLETE RESPONSE Apiject Systems Corp. Attention: Ashley Dynan Senior Director of Regulatory Affairs 2 High Ridge Park Stamford, CT 06905 Dear Ashley Dy…

    COMPLETE RESPONSEUnapproved
  • Telix Pharmaceuticals (US) Inc. · BLA 761401

    ADMINISTRATION g By) U.S. FOOD & DRUG ioe BLA 761401 CORRECTED COMPLETE RESPONSE Telix Pharmaceuticals (US) Inc. Attention: Yvonne Chow Global Regulatory Affairs Manager 11700 Exit 5 Pkwy Suite 200 F…

    COMPLETE RESPONSEUnapproved
  • Fresenius Kabi USA, LLC · NDA 215818

    U.S. FOOD & DRUG Sy ADMINISTRATION NDA 215818 COMPLETE RESPONSE Fresenius Kabi USA, LLC Attention: Jennifer Gross, MS Senior Regulatory Affairs Associate Three Corporate Drive Lake Zurich, IL 60047 D…

    COMPLETE RESPONSEUnapproved
  • Eagle Pharmaceuticals, Inc. · NDA 220045

    yy U.S. FOOD & DRUG ADMINISTRATION NDA 220045 COMPLETE RESPONSE Eagle Pharmaceuticals, Inc. Attention: Janis A. Picurro Senior Vice President, Regulatory Affairs 50 Tice Boulevard, Suite 315 Woodclif…

    COMPLETE RESPONSEUnapproved
  • Bridge Regulatory Affairs, LLC · NDA 218600

    yy U.S. FOOD & DRUG ADMINISTRATION NDA 218600 COMPLETE RESPONSE Bridge Regulatory Affairs, LLC U.S. Agent for Camurus AB Attention: Bridgette Kunst, MA, RAC 148 Butler Road Franklin Park, NJ 08823 De…

    COMPLETE RESPONSEUnapproved
  • Aquestive Therapeutics Inc. · NDA 219870

    YN U.S. FOOD & DRUG ADMINISTRATION NDA 219870 COMPLETE RESPONSE Aquestive Therapeutics Inc. Attention: Melina Cioffi, PharmD Vice President, Regulatory Affairs 30 Technology Drive Warren, NJ 07059 De…

    COMPLETE RESPONSEUnapproved
  • Aldeyra Therapeutics, Inc. · NDA 216442

    ADMINISTRATION ( Lg YN U.S. FOOD & DRUG NDA 216442 COMPLETE RESPONSE Aldeyra Therapeutics, Inc. Attention: David Noskowitz Regulatory Affairs Consultant 131 Hartwell Ave., Suite 320 Lexington, MA 024…

    COMPLETE RESPONSEUnapproved
  • Rosemont Pharmaceuticals Holdings, Inc. · NDA 220140

    i Lk YN U.S. FOOD & DRUG ADMINISTRATION NDA 220140 COMPLETE RESPONSE Rosemont Pharmaceuticals Holdings, Inc. c/o Hyloris Developments SA (an affiliate of Dermax) Attention: Kristi Norris, PhD VP, Reg…

    COMPLETE RESPONSEUnapprovedCenter for Drug Evaluation and Research
  • Ascelia Pharma AB · NDA 220544

    yy U.S. FOOD & DRUG ADMINISTRATION NDA 220544 COMPLETE RESPONSE Ascelia Pharma AB c/o Syneos Health Attention: Anju Mainra Senior Director Global Regulatory Affairs Solutions 1030 Sync Street Morrisv…

    COMPLETE RESPONSEUnapproved
  • Pierre Fabre Pharmaceuticals Inc. · BL 125745

    i Lg YN U.S. FOOD & DRUG ADMINISTRATION Our STN: BL 125745/0 COMPLETE RESPONSE January 9, 2026 Pierre Fabre Pharmaceuticals Inc. Attention: Lana Klionsky 500 Plaza Drive, Suite 701B Secaucus, NJ 0709…

    COMPLETE RESPONSEUnapproved
  • Ferring Pharmaceuticals Inc. · BLA 761253

    PrN U.S. FOOD & DRUG ADMINISTRATION BLA 761253 COMPLETE RESPONSE Ferring Pharmaceuticals Inc. Attention: Sangeeta Chavan Patil Director, Regulatory Affairs 100 Interpace Parkway Parsippany, NJ 07054…

    COMPLETE RESPONSEUnapproved
  • Amphastar Pharmaceuticals, Inc. · BLA 761403

    PN U.S. FOOD & DRUG ADMINISTRATION BLA 761403 COMPLETE RESPONSE Amphastar Pharmaceuticals, Inc. Attention: Magda Albedrop, RAC-Drugs Senior Supervisor of the CMC and Submissions Group Regulatory Affa…

    COMPLETE RESPONSEUnapproved
  • Achieve Life Sciences, Inc. · NDA 218995

    ADMINISTRATION i Lk YN U.S. FOOD & DRUG NDA 218995 COMPLETE RESPONSE Achieve Life Sciences, Inc. 22722 29th Dr. SE, Suite 100 Bothell, WA 98021 Attention: | Sarah Telzrow Vice President, Regulatory A…

    COMPLETE RESPONSEUnapproved
  • Evergreen Theragnostics, Inc. · NDA 216900

    PN U.S. FOOD & DRUG ADMINISTRATION NDA 216900 COMPLETE RESPONSE Evergreen Theragnostics, Inc. C/o Bourque Regulatory CMC, Inc. Attention: Mr. Jeffrey Bourque President, Bourque Regulatory CMC, Inc. 2…

    COMPLETE RESPONSEUnapprovedCenter for Drug Evaluation and Research,Food and Drug Administration
  • Tris Pharma, Inc. · NDA 220138

    i Lk YN U.S. FOOD & DRUG ADMINISTRATION NDA 220138 COMPLETE RESPONSE Tris Pharma, Inc. Attention: Rashmi Aravind Senior Director of Regulatory Affairs 2033 Route 130 Suite #D Monmouth Junction, NJ 08…

    COMPLETE RESPONSEUnapproved
  • Grace Therapeutics U.S., Inc. · NDA 220304

    g U.S. FOOD & DRUG Naty ADMINISTRATION NDA 220304 COMPLETE RESPONSE Grace Therapeutics U.S., Inc. Attention: Amresh Kumar Vice President of Program Management 103 Carnegie Center Drive, Suite 300 Pri…

    COMPLETE RESPONSEUnapproved
  • AbbVie Inc. · BLA 761459

    nN U.S. FOOD & DRUG ADMINISTRATION BLA 761459 COMPLETE RESPONSE AbbVie Inc. Attention: Felipe Martins Associate Director, Regulatory Affairs 2525 Dupont Drive Irvine, CA 92612 Dear Felipe Martins: Pl…

    COMPLETE RESPONSEUnapproved
  • Tanvex BioPharma USA, Inc. · BLA 761266

    i Lk YN U.S. FOOD & DRUG ADMINISTRATION BLA 761266 COMPLETE RESPONSE Tanvex BioPharma USA, Inc. Attention: Bonnie J. Mills, PhD 10394 Pacific Center Court San Diego, CA 92121 Dear Dr. Mills: Please r…

    COMPLETE RESPONSEUnapproved
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Data from openFDA, FDA's public API. FDA says not to rely on it to make decisions about medical care and to treat every result as unvalidated; confirm against FDA's own record and the product labeling. Not medical or legal advice.