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FDA letter date archive

FDA Letters Issued in 2025

Browse FDA approval and complete response letters issued in 2025. This archive groups source-linked letters by issue date so regulatory teams can review decisions and deficiency patterns over time.

FDA regulatory letters with type, issue date, agency, product, and status
LetterTypeIssuedAgency / ProductStatus
Complete Response Letter Dr. Reddy’s Laboratories, Inc. (Dec 30, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

BLA 761471

Open
Complete Response Letter Outlook Therapeutics, Inc. (Dec 30, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Clinical efficacy and substantial evidence. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

LYTENAVA

Open
Complete Response Letter Genzyme Corporation (Dec 23, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Clinical efficacy and substantial evidence, Statistical analysis, Safety and adverse events. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

NDA 219624

Open
Complete Response Letter MedicaSafe, Inc. (Dec 22, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Device constituent and human factors, Clinical efficacy and substantial evidence, Safety and adverse events. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

NDA 220184

Open
Complete Response Letter GlaxoSmithKline LLC (Dec 16, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Clinical efficacy and substantial evidence, Statistical analysis. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

EXDENSUR

Open
Complete Response Letter LIB Therapeutics, Inc. (Dec 12, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Clinical efficacy and substantial evidence. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

LEROCHOL

Open
Complete Response Letter Sandoz Inc. (Dec 9, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

BLA 761271

Open
Complete Response Letter Alvotech USA Inc. (Nov 26, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

BLA 761461

Open
Complete Response Letter Alvotech USA Inc. (Nov 24, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

BLA 761435

Open
Complete Response Letter Accord Healthcare Inc. (Nov 6, 2025)

FDA's complete response letter contains source-text evidence related to Facility inspection and CGMP compliance, Labeling, packaging, and proprietary name. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

NDA 216987

Open
Complete Response Letter Biohaven Therapeutics, Ltd. (Nov 4, 2025)

FDA's complete response letter contains source-text evidence related to Statistical analysis, Clinical efficacy and substantial evidence, Labeling, packaging, and proprietary name, Safety and adverse events. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

NDA 210862

Open
Complete Response Letter Alvotech USA Inc. (Oct 31, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

BLA 761462

Open
Complete Response Letter Shanghai Auzone Biological Technology Co., Ltd. (Oct 23, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Nonclinical evidence. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

NDA 219846

Open
Complete Response Letter GlaxoSmithKline LLC (Oct 23, 2025)

FDA's complete response letter contains source-text evidence related to Safety and adverse events, Clinical efficacy and substantial evidence. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

BLENREP

Open
Complete Response Letter SYDNEXIS Inc. (Oct 22, 2025)

FDA's complete response letter contains source-text evidence related to Clinical efficacy and substantial evidence, Labeling, packaging, and proprietary name, Safety and adverse events, Statistical analysis. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

NDA 219694

Open
Complete Response Letter NeuroDerm, Ltd. (Oct 21, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance, Nonclinical evidence. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

NDA 218317

Open
Complete Response Letter Dr. Reddy’s Laboratories SA (Oct 16, 2025)

FDA's complete response letter contains source-text evidence related to Facility inspection and CGMP compliance. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

BLA 761376

Open
Complete Response Letter AstraZeneca Pharmaceuticals LP (Oct 10, 2025)

FDA's complete response letter contains source-text evidence related to Clinical efficacy and substantial evidence, Labeling, packaging, and proprietary name, Statistical analysis. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

SAPHNELO

Open
Complete Response Letter Xspray Pharma AB (Oct 7, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

NDA 216195

Open
Complete Response Letter Sentynl Therapeutics, Inc. (Sep 30, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

ZYCUBO

Open
Complete Response Letter Biogen, Inc. (Sep 22, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Clinical efficacy and substantial evidence, Safety and adverse events, Nonclinical evidence. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

SPINRAZA

Open
Complete Response Letter Scholar Rock, Inc. (Sep 22, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

BLA 761463

Open
Complete Response Letter Outlook Therapeutics, Inc. (Aug 27, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Clinical efficacy and substantial evidence. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

LYTENAVA

Open
Complete Response Letter Vyluma, Inc. (Aug 27, 2025)

FDA's complete response letter contains source-text evidence related to Clinical efficacy and substantial evidence, Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance, Statistical analysis. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

NDA 217711

Open
Complete Response Letter Saol International Development Limited (Aug 27, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Clinical efficacy and substantial evidence, Statistical analysis, Nonclinical evidence. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

NDA 218679

Open
Complete Response Letter PTC Therapeutics, Inc. (Aug 18, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Clinical efficacy and substantial evidence, Statistical analysis, Chemistry, manufacturing, and controls. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

vatiquinone

Open
Complete Response Letter Immedica Pharma AB (Aug 6, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Clinical efficacy and substantial evidence. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

LOARGYS

Open
Complete Response Letter Accord BioPharma, Inc. (Aug 5, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance, Chemistry, manufacturing, and controls. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

ENNUMO

Open
Complete Response Letter Conjupro Biotherapeutics Inc. (Jul 30, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

Unknown

Open
Complete Response Letter Teva Pharmaceuticals, Inc. (Jul 30, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

PONLIMSI

Open
Complete Response Letter Regeneron Pharmaceuticals, Inc. (Jul 30, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

Unknown

Open
Complete Response Letter Heritage Pharmaceuticals Inc. d/b/a/ Avet Pharmaceuticals Inc. (Jul 28, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance, Bioequivalence and pharmacokinetics. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

ATAZANAVIR SULFATE; RITONAVIR

Open
Complete Response Letter Replimune, Inc. (Jul 21, 2025)

FDA's complete response letter contains source-text evidence related to Clinical efficacy and substantial evidence. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

vusolimogene oderparepvec

Open
Complete Response Letter Capricor, Inc. (Jul 9, 2025)

FDA's complete response letter contains source-text evidence related to Clinical efficacy and substantial evidence, Statistical analysis, Chemistry, manufacturing, and controls. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

deramiocel

Open
Complete Response Letter Ultragenyx Pharmaceutical Inc. (Jul 7, 2025)

FDA's complete response letter contains source-text evidence related to Chemistry, manufacturing, and controls. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

rebisufligene etisparvovec

Open
Complete Response Letter Unicycive Therapeutics Inc. (Jun 27, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

Unknown

Open
Complete Response Letter Accord BioPharma Inc. (Jun 26, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance, Chemistry, manufacturing, and controls. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

FILKRI

Open
Complete Response Letter Sun Pharmaceutical Industries Limited (Jun 25, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

Unknown

Open
Complete Response Letter Cipla USA, Inc. (Jun 20, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

Unknown

Open
Complete Response Letter ResQ Pharma (Jun 2, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Clinical efficacy and substantial evidence, Safety and adverse events, Device constituent and human factors. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

Nutrilipid 20%

Open
Complete Response Letter Chemo Research, S.L. (May 29, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Safety and adverse events, Device constituent and human factors. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

Unknown

Open
Complete Response Letter Stealth BioTherapeutics Inc. (May 15, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance, Clinical efficacy and substantial evidence, Statistical analysis. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

FORZINITY

Open
Complete Response Letter Fresenius Kabi USA, LLC (Apr 25, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Nonclinical evidence. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

Unknown

Open
Complete Response Letter Telix Pharmaceuticals (US) Inc. (Apr 25, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Clinical efficacy and substantial evidence, Statistical analysis. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

Unknown

Open
Complete Response Letter University of California San Francisco (Apr 25, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Clinical efficacy and substantial evidence, Statistical analysis. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

floretyrosine F 18

Open
Complete Response Letter Amneal EU, Limited (Apr 2, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

Unknown

Open
Complete Response Letter Aldeyra Therapeutics, Inc. (Apr 2, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Clinical efficacy and substantial evidence, Statistical analysis. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

Unknown

Open
Complete Response Letter Milestone Pharmaceuticals USA, Inc. (Mar 27, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

CARDAMYST

Open
Complete Response Letter CELLTRION, Inc. (Mar 26, 2025)

FDA's complete response letter contains source-text evidence related to Facility inspection and CGMP compliance. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

EYDENZELT

Open
Complete Response Letter Jiangsu Hengrui Pharmaceuticals Co., Ltd (Mar 20, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

Unknown

Open
Complete Response Letter Elevar Therapeutics, Inc. (Mar 20, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Clinical efficacy and substantial evidence, Safety and adverse events. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

rivoceranib tablets

Open
Complete Response Letter Accord BioPharma Inc. (Mar 13, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

OSVYRTI / JUBEREQ

Open
Complete Response Letter Seikagaku Corporation (Mar 11, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

Unknown

Open
Complete Response Letter Laurus Generics, Inc. (Mar 10, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

Unknown

Open
Complete Response Letter SFJ Pharmaceuticals, Inc. (Jan 31, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

Unknown

Open
Complete Response Letter Hospira, Inc. (Jan 17, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Nonclinical evidence. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

Unknown

Open
Complete Response Letter Atara Biotherapeutics, Inc. (Jan 15, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Chemistry, manufacturing, and controls. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

tabelecleucel

Open
Complete Response Letter OWP Pharmaceuticals, Inc. (Jan 3, 2025)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Chemistry, manufacturing, and controls, Facility inspection and CGMP compliance. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

SUBVENITE

Open
Complete Response Letter Tanvex BioPharma USA, Inc. (Jan 3, 2025)

FDA's complete response letter contains source-text evidence related to Facility inspection and CGMP compliance. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

Unknown

Open