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FDA letter date archive

FDA Letters Issued in 2021

Browse FDA approval and complete response letters issued in 2021. 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 Therakind Limited (Dec 22, 2021)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Chemistry, manufacturing, and controls, 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

JYLAMVO

Closed
Complete Response Letter Eli Lilly and Company (Dec 17, 2021)

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

REZVOGLAR

Closed
Complete Response Letter Takeda Pharmaceuticals U.S.A., Inc. (Dec 17, 2021)

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, Statistical analysis. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

CRL

US FDA

EOHILIA

Closed
Complete Response Letter Eli Lilly and Company (Dec 17, 2021)

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

REZVOGLAR

Closed
Complete Response Letter Fennec Pharmaceuticals, Inc. (Nov 26, 2021)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Safety and adverse events, 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

PEDMARK

Closed
Complete Response Letter Celitrion, Inc. (Nov 24, 2021)

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

YUFLYMA

Closed
Complete Response Letter Bio-Thera Solutions Ltd. (Nov 19, 2021)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Safety and adverse events, 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

AVZIVI

Closed
Complete Response Letter Santen, Inc. (Nov 9, 2021)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Chemistry, manufacturing, and controls, 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

OMLONTI

Closed
Complete Response Letter Marius Pharmaceuticals, LLC (Oct 22, 2021)

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, 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

KYZATREX

Closed
Complete Response Letter Eyenovia, Inc. (Oct 22, 2021)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Device constituent and human factors, Facility inspection and CGMP compliance, 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

MYDCOMBI

Closed
Complete Response Letter Omeros Corporation (Oct 15, 2021)

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

YARTEMLEA

Closed
Complete Response Letter United Therapeutics Corp. (Oct 15, 2021)

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

TYVASO DPI

Closed
Complete Response Letter Revance Therapeutics, Inc. (Oct 14, 2021)

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

DAXXIFY

Closed
Complete Response Letter Polarean Inc. (Oct 5, 2021)

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, 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

XENOVIEW

Closed
Complete Response Letter Laboratorios Farmaceuticos Rovi, S.A. (Sep 24, 2021)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Chemistry, manufacturing, and controls, Device constituent and human factors, 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

RISVAN

Closed
Complete Response Letter Verrica Pharmaceuticals Inc. (Sep 16, 2021)

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

YCANTH

Closed
Complete Response Letter HQ Specialty Pharma Corporation (Sep 14, 2021)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, 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

MEROPENEM

Closed
Complete Response Letter Zydus Worldwide DMCC (Sep 2, 2021)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Safety and adverse events, Chemistry, manufacturing, and controls, 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

ZITUVIO

Closed
Complete Response Letter CellTrans Inc. (Aug 18, 2021)

FDA's complete response letter contains source-text evidence related to Chemistry, manufacturing, and controls, 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

FDA-regulated product

Closed
Complete Response Letter Kashiv BioSciences, LLC (Aug 11, 2021)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Safety and adverse events, Chemistry, manufacturing, and controls, 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

FYLNETRA

Closed
Complete Response Letter LLC (Aug 5, 2021)

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

LIQREV

Closed
Complete Response Letter Spectrum Pharmaceuticals, Inc. (Aug 3, 2021)

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

ROLVEDON

Closed
Complete Response Letter Kashiv BioSciences, LLC (Aug 2, 2021)

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

RELEUKO

Closed
Complete Response Letter medac Gesellschaft fur klinische Spezialpraparate mbH (Jul 30, 2021)

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

GRAFAPEX

Closed
Complete Response Letter Ardelyx, Inc. (Jul 28, 2021)

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

XPHOZAH

Closed
Complete Response Letter lterum Therapeutics U.S. Ltd. (Jul 23, 2021)

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

ORLYNVAH

Closed
Complete Response Letter Provention Bio, Inc. (Jul 2, 2021)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Chemistry, manufacturing, and controls, Clinical efficacy and substantial evidence, 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

TZIELD

Closed
Complete Response Letter Cyclomedica Australia Pty Ltd. (Jun 25, 2021)

FDA's complete response letter contains source-text evidence related to Chemistry, manufacturing, and controls, Labeling, packaging, and proprietary name, Safety and adverse events, 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

TECHNEGAS KIT

Closed
Complete Response Letter MediWound, Ltd. (Jun 25, 2021)

FDA's complete response letter contains source-text evidence related to Chemistry, manufacturing, and controls, Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance, 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

NEXOBRID

Closed
Complete Response Letter Shilpa Medicare Limited (Jun 24, 2021)

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

PEMETREXED

Closed
Complete Response Letter Orphazyme A/S (Jun 17, 2021)

FDA's complete response letter contains source-text evidence related to Clinical efficacy and substantial evidence, Nonclinical 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

MIPLYFFA

Closed
Complete Response Letter Nevakar, Inc. (Jun 14, 2021)

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

NOREPINEPHRINE BITARTRATE IN 0.9% SODIUM CHLORIDE

Closed
Complete Response Letter Azurity Pharmaceuticals, Inc. (May 28, 2021)

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

ZONISADE

Closed
Complete Response Letter Tanvex BioPharma USA, Inc. (May 20, 2021)

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

CRL

US FDA

NYPOZI

Closed
Complete Response Letter Accord Healthcare, Inc. (Apr 30, 2021)

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

CARMUSTINE

Closed
Complete Response Letter Baxter Healthcare Corporation (Apr 29, 2021)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, 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

DAPZURA RT / DAPTOMYCIN IN 0.9% SODIUM CHLORIDE

Closed
Complete Response Letter Chiesi USA (Apr 27, 2021)

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

ELFABRIO

Closed
Complete Response Letter LEO Pharma A/S (Apr 23, 2021)

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

ADBRY

Closed
Complete Response Letter CMP Development LLC (Apr 22, 2021)

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

NORLIQVA

Closed
Complete Response Letter PharmaEssentia Corporation (Mar 12, 2021)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance, 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

BESREMI

Closed
Complete Response Letter CMP Development LLC (Feb 23, 2021)

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

TADLIQ

Closed
Complete Response Letter Novitium Pharma LLC (Feb 12, 2021)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Bioequivalence and pharmacokinetics, 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

SOVUNA

Closed
Complete Response Letter Azurity Pharmaceuticals, Inc. (Jan 28, 2021)

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, Chemistry, manufacturing, and controls, Device constituent and human factors, 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

KONVOMEP

Closed