Drugs / Oseltamivir
last change Aug 2026 re-read 2 minutes ago

Oseltamivir

Small molecule

Developed for
influenza · COVID-19 · pneumonia · autoimmune thrombocytopenia · avian influenza · heart failure · lung disorder · ST-elevation myocardial infarction
+5 more · upper respiratory tract disorder · viral infectious disease · thrombocytopenia · viral gastritis · viral respiratory tract infection
Investigated by
Hoffmann-La Roche · National Institute of Allergy and Infectious Diseases (NIAID) · Capital Medical University · Tongji Hospital · University of Oxford · Centers for Disease Control and Prevention
+66 more · GlaxoSmithKline · McMaster University · MedImmune LLC · National Institutes of Health (NIH) · South East Asia Infectious Disease Clinical Research Network · Ainos, Inc. (f/k/a Amarillo Biosciences Inc. · Alios Biopharma Inc. · Almaza Military Fever Hospital · Australian and New Zealand Intensive Care Research Centre · Berry Consultants · BioCryst Pharmaceuticals · Brooke Army Medical Center · Centre of Postgraduate Medical Education · China-Japan Friendship Hospital · Chinese Academy of Medical Sciences · Chinese University of Hong Kong · CytoPharm, Inc. · Department of Health and Human Services · Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) · Food and Health Bureau, Hong Kong · Genentech, Inc. · Global Coalition for Adaptive Research · Guangdong Raynovent Biotech Co., Ltd · Hospices Civils de Lyon · Hospital Authority · Immunic AG · Intensive Care National Audit & Research Centre · International Centre for Diarrhoeal Disease Research, Bangladesh · Janssen Infectious Diseases BVBA · Janssen-Cilag International NV · Jiangxi Qingfeng Pharmaceutical Co. Ltd. · Johns Hopkins Bloomberg School of Public Health · Johns Hopkins University · Laboratorios Andromaco S.A. · Li Ka Shing Knowledge Institute · MODEPHARMA Limited · Mahidol University · Manjunath Prakash Pai · Marshfield Clinic Research Foundation · Medical Research Institute of New Zealand · Nanjing Zenshine Pharmaceuticals · Nat Intensive Care Surveillance - MORU · National University Hospital, Singapore · Novartis · Pharmahungary Group · Seoul National University Hospital · Shehnoor Azhar · Southeast Asia Influenza Clinical Research Network · St. Marianna University School of Medicine · Sunshine Lake Pharma Co., Ltd. · Trial Management Group Inc. · UMC Utrecht · US Department of Veterans Affairs · Unity Health · Unity Health Toronto · University Hospitals Coventry and Warwickshire NHS Trust · University of Alberta · University of Calgary · University of Louisville · University of Manitoba · University of Pittsburgh · University of Pittsburgh Medical Center · University of Tennessee · University of Toronto · University of Warwick · University of Washington

Regulatory milestones approvals, filings & regulatory actions · 8 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Label expansions (6) US (FDA) TAMIFLU 2000-11-17 – 2019-08-02 fda.gov
Approved EU (EMA) Tamiflu 2002-06-20 europa.eu
Approved US (FDA) TAMIFLU 1999-10-27 fda.gov

Trials 73 · started per year

today
US approved 1999
EU approved 2002
1
1
4
5
4
11
7
7
3
1
3
4
4
1
1
8
3
3
2
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024202520262027
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 124 trials
Phase 1 NCT06057103 Aug → Dec 2023 Nanjing Zenshine Pharmaceuticals Completed No outcome recorded
Phase 1 NCT05789342 Feb → Sep 2023 Jiangxi Qingfeng Pharmaceutical Co. Ltd. Completed No outcome recorded
Phase 1 NCT05083325 Oct 2021 Laboratorios Andromaco S.A. Completed No outcome recorded
Phase 1 NCT04982913 Aug 2021 → Oct 2022 influenza Sunshine Lake Pharma Co., Ltd. Completed No outcome recorded
Phase 1 NCT05108051 Nov 2020 → Mar 2021 Guangdong Raynovent Biotech Co., Ltd Completed No outcome recorded
Phase 1 NCT03023852 Feb → Apr 2017 Janssen-Cilag International NV Completed No outcome recorded
Phase 1 NCT02888327 Jul 2016 → May 2017 influenza Alios Biopharma Inc. Completed No outcome recorded
Phase 1 NCT02262715 Jul → Oct 2014 Janssen Infectious Diseases BVBA Completed No outcome recorded
Phase 1 NCT01715909 Jan 2014 → Jun 2018 influenza Hoffmann-La Roche Completed No outcome recorded
Phase 1 NCT01902342 Jul → Dec 2013 Seoul National University Hospital Completed No outcome recorded
Phase 1/23 trials
Phase 1/2 NCT02603952 Dec 2015 → Dec 2016 influenza MedImmune LLC Completed No outcome recorded
Phase 1/2 NCT01179919 Jul → Sep 2010 obesity disorder Manjunath Prakash Pai Completed No outcome recorded
Phase 1/2 NCT00391768 Jan 2007 → Mar 2010 influenza National Institute of Allergy and Infectious Diseases (NIAID) Completed No outcome recorded
Phase 210 trials
Phase 2 NCT05648448 Feb 2023 → Jan 2027 expected influenza University of Oxford Recruiting No outcome recorded
Phase 2 NCT04516915 Jun 2020 → May 2022 COVID-19 University Hospitals Coventry and Warwickshire NHS Trust Completed No outcome recorded
Phase 2 NCT03903718 Apr → Oct 2020 influenza MedImmune LLC Withdrawn No outcome recorded
Phase 2 NCT02469298 Jun 2015 → Apr 2016 viral infectious disease GlaxoSmithKline Completed No outcome recorded
Phase 2 NCT01146535 Jan 2011 → Dec 2012 influenza Ainos, Inc. (f/k/a Amarillo Biosciences Inc. Completed No outcome recorded
Phase 2 NCT01037634 Mar 2010 → Mar 2012 influenza National Institute of Allergy and Infectious Diseases (NIAID) Withdrawn No outcome recorded
Phase 2 NCT01010087 Nov 2009 → May 2011 influenza University of Manitoba Terminated No outcome recorded
Phase 2 NCT00830323 Jan → Aug 2009 influenza Hospices Civils de Lyon Terminated No outcome recorded
Phase 2 NCT00453999 Jul 2007 → Sep 2008 influenza BioCryst Pharmaceuticals Completed No outcome recorded
Phase 2 NCT00334529 Jun 2006 → Apr 2007 influenza National Institute of Allergy and Infectious Diseases (NIAID) Completed No outcome recorded
Phase 2/31 trial
Phase 2/3 NCT01546935 Dec 2012 → Dec 2014 influenza University of Oxford Withdrawn No outcome recorded
Phase 312 trials
Phase 3 NCT07236814 Nov 2025 → Mar 2027 expected influenza Capital Medical University Recruiting No outcome recorded
Phase 3 NCT04338698 Apr → Nov 2020 COVID-19 Shehnoor Azhar Completed No outcome recorded
Phase 3 NCT04530422 Apr → Jul 2020 COVID-19 Almaza Military Fever Hospital Completed No outcome recorded
Phase 3 NCT04261270 Feb → May 2020 COVID-19 Tongji Hospital Unknown No outcome recorded
Phase 3 NCT03520049 Nov 2016 → Sep 2021 autoimmune thrombocytopenia Unity Health Toronto Unknown No outcome recorded
Phase 3 NCT02735707 Apr 2016 → Feb 2026 overdue pneumonia UMC Utrecht Recruiting No outcome recorded
Phase 3 NCT01231620 Jan 2011 → Mar 2015 influenza GlaxoSmithKline Completed No outcome recorded
Phase 3 NCT01050257 Jan 2010 → Sep 2012 influenza Hoffmann-La Roche Completed No outcome recorded
Phase 3 NCT00979667 Oct 2009 → Aug 2010 influenza, upper respiratory tract disorder Chinese University of Hong Kong Terminated No outcome recorded
Phase 3 NCT00949533 Aug 2009 → Oct 2010 influenza Hoffmann-La Roche Completed No outcome recorded
Phase 418 trials
Phase 4 NCT04684498 Mar 2020 → Jun 2023 ST-elevation myocardial infarction Tongji Hospital Unknown No outcome recorded
Phase 4 NCT04255017 Feb → Jun 2020 COVID-19 Tongji Hospital Unknown No outcome recorded
Phase 4 NCT04141917 Nov 2019 → Mar 2021 influenza University of Washington Terminated No outcome recorded
Phase 4 NCT02561169 Dec 2015 → Mar 2016 influenza McMaster University Terminated No outcome recorded
Phase 4 NCT02609399 Nov 2015 → May 2017 influenza Johns Hopkins University Completed No outcome recorded
Phase 4 NCT02282384 Oct 2014 → Mar 2015 influenza, lung disorder McMaster University Withdrawn No outcome recorded
Phase 4 NCT01456234 Nov 2011 → May 2013 influenza Trial Management Group Inc. Terminated No outcome recorded
Phase 4 NCT01443806 Jul 2011 → Dec 2012 metabolic disease University of Oxford Completed No outcome recorded
Phase 4 NCT01248715 Nov 2010 → May 2016 influenza, pneumonia University of Louisville Completed No outcome recorded
Phase 4 NCT01130636 Jun 2010 → Jul 2012 influenza Pharmahungary Group Completed No outcome recorded
Phase not applicable5 trials
NCT06762587 Jan → Apr 2025 overdue influenza, nosocomial infection Capital Medical University Not yet recruiting No outcome recorded
NCT05008679 Feb 2021 → Feb 2023 heart failure Tongji Hospital Unknown No outcome recorded
NCT04297462 Nov 2016 → Mar 2020 influenza Centre of Postgraduate Medical Education Unknown No outcome recorded
NCT01314911 Apr 2011 → Nov 2017 influenza National Institute of Allergy and Infectious Diseases (NIAID) Completed No outcome recorded
NCT00555893 Jan 2008 → Feb 2011 influenza Marshfield Clinic Research Foundation Completed No outcome recorded
Also used as a comparator or background therapy in 60 trials
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT04371601 Background Mar 2020 → Dec 2021 pneumonia Fuzhou General Hospital Unknown No outcome recorded
Phase 12 trials
Phase 1 NCT05818124 Comparator Aug 2023 → Jun 2024 influenza Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 1 NCT04457609 Background Jul → Aug 2020 COVID-19, pneumonia Indonesia University Unknown No outcome recorded
Phase 1/21 trial
Phase 1/2 NCT00867139 Comparator Mar → Aug 2009 influenza Fred Hutchinson Cancer Center Completed No outcome recorded
Phase 215 trials
Phase 2 NCT04712539 Background Oct 2021 → Feb 2028 expected hematopoietic and lymphoid cell neoplasm, influenza M.D. Anderson Cancer Center Recruiting No outcome recorded
Phase 2 NCT03394209 Background Feb 2018 → Feb 2019 influenza Capital Medical University Completed No outcome recorded
Phase 2 NCT03238612 Background Jan 2018 → Jul 2020 influenza The University of Hong Kong Unknown No outcome recorded
Phase 2 NCT03212716 Background Dec 2017 → May 2022 influenza University Hospital, Lille Terminated No outcome recorded
Phase 2 NCT03028909 Background Jul 2017 → Jul 2019 MedImmune LLC Withdrawn No outcome recorded
Phase 2/31 trial
Phase 2/3 NCT05170009 Comparator Apr 2022 → Jan 2024 influenza Weill Medical College of Cornell University Terminated No outcome recorded
Phase 322 trials
Phase 3 NCT07496736 Comparator Dec 2025 → Mar 2028 expected influenza University Medical Centre Ljubljana Active not recruiting No outcome recorded
Phase 3 NCT07229807 Comparator Nov → Dec 2025 overdue influenza Guangdong Raynovent Biotech Co., Ltd Active not recruiting No outcome recorded
Phase 3 NCT07357051 Comparator Nov 2025 → Jan 2026 overdue viral respiratory tract infection Joincare Pharmaceutical Group Industry Co., Ltd Recruiting No outcome recorded
Phase 3 NCT07095257 Comparator Oct 2025 → Jan 2026 viral respiratory tract infection Nanjing Zenshine Pharmaceuticals Completed No outcome recorded
Phase 3 NCT07113392 Comparator Aug 2025 → Aug 2026 overdue influenza Jiangxi Kvvit Pharmaceutical Co., Ltd. Not yet recruiting No outcome recorded
Phase 413 trials
Phase 4 NCT05012189 Comparator Aug 2021 → Dec 2023 influenza Insight Therapeutics, LLC Unknown No outcome recorded
Phase 4 NCT04973462 Comparator Aug → Sep 2021 COVID-19 Ain Shams University Unknown No outcome recorded
Phase 4 NCT04183725 Comparator Dec 2019 → Jun 2021 China Academy of Chinese Medical Sciences Unknown No outcome recorded
Phase 4 NCT03754686 Comparator Feb 2019 → Jan 2022 influenza Rambam Health Care Campus Unknown No outcome recorded
Phase 4 NCT01850446 Comparator Feb 2015 → Apr 2018 influenza Materia Medica Holding Completed No outcome recorded
Phase not applicable5 trials
NCT03947411 Comparator Mar 2019 → Mar 2020 influenza Jiangxi Qingfeng Pharmaceutical Co. Ltd. Unknown No outcome recorded
NCT03899571 Comparator Jan 2019 → Mar 2020 influenza University Medical Centre Ljubljana Completed No outcome recorded
NCT03365336 Background Feb → May 2018 influenza Composite Interceptive Med Science Unknown No outcome recorded
NCT01306773 Comparator Dec 2009 → Dec 2010 influenza The University of Hong Kong Completed No outcome recorded
NCT00844155 Comparator Mar → Jul 2009 influenza University of Manitoba Withdrawn No outcome recorded

Press releases naming this drug 17 releases

DateIssuerRelease
2011-02-07 Gilead Sciences Gilead Sciences Announces Notification of ANDA Filing for Tamiflu(R) gilead.com
2005-11-16 Gilead Sciences Gilead and Roche End Tamiflu(R) Dispute; Expanded Collaboration Includes Gilead Role in Oversight of Manufacturing and Commercialization gilead.com
2005-06-23 Gilead Sciences Gilead Delivers Termination Notice to Roche for Tamiflu Development and Licensing Agreement gilead.com
2001-02-27 Gilead Sciences Roche Submits Oral Flu Drug Tamiflu for Regulatory Approval in Europe gilead.com
2001-02-14 Gilead Sciences JAMA Study Reveals Roche's Tamiflu™ Effective In Protecting People Exposed to Influenza gilead.com
2001-01-18 Gilead Sciences Pharmacy Shelves Make Room for Tamiflu™ Liquid for Kids gilead.com
2000-12-14 Gilead Sciences Tamiflu™ Granted FDA Approval for Treatment of Flu in Children gilead.com
2000-12-12 Gilead Sciences Roche's Oral Flu Drug Tamiflu™ Gets Approval in Japan gilead.com
2000-11-20 Gilead Sciences Roche's Tamiflu™ Granted FDA Approval for the Prevention of Influenza gilead.com
2000-09-18 Gilead Sciences New Tamiflu™ Data Shows Early Treatment Optimizes Benefit for Flu Sufferers gilead.com
2000-08-02 Gilead Sciences Roche Submits Tamiflu for Regulatory Approval in Japan; First Oral Neuraminidase Inhibitor for the Treatment and Prevention of Influenza gilead.com
2000-06-16 Gilead Sciences Roche Seeks to Broaden Tamiflu Treatment Indication with Pediatric Application gilead.com

Evidence & citations 20 cited values

Every value below carries the sentence it was read from. 137 sources stand behind the page.

FieldValueCited text
Known as oseltamivir “Participants will receive Oseltamivir 75 mg (1\*75 mg) oral capsule (reference) in Treatment D of Panel 2 and Oseltamivir 75 mg administered as JNJ-63623872/37.5 mg Oseltamivir...” NCT03023852
129

“An Open Label, Prospective, Pharmacokinetic/Pharmacodynamic and Safety Evaluation of Oseltamivir (Tamiflu®) in the Treatment of Infants 0 to <12 Months of Age With Confirmed...” NCT00988325

“Eligible patients in group 2 will receive oseltamivir 75 mg 12 hourly for 5-10 days and hydroxychloroquine 400mg 12 hourly day -1 followed by 200mg 12 hourly daily on day- 2 to...” NCT04349241

“A triple-combination antiviral drug (TCAD) regimen consisting of amantadine (AMT), oseltamivir (OSL) and ribavirin (RBV) demonstrated good efficacy in an animal model.” PMID 23264438 Dec 2012

“The Safety, Tolerability, Pharmacokinetic, Food Effect Study and the interaction with Oseltamivir Phosphate Capsules of HEC116094 in Healthy Subjects” NCT04982913

“baloxavir for those aged ≥12 years, or oseltamivir for those aged \<12 years; pregnant; breastfeeding; liver disease; or are immunosuppressed” NCT04141917

Oseltamivir is a first-line antiviral drug, especially in primary hospitals of military medical hospitals.” NCT04973462

Oseltamivir capsules (75 mg per capsule), one capsule daily by mouth (PO) for 112 days.” NCT00980109

“the antiviral oseltamivir was evaluated in two prospective open-label studies.” PMID 26042486 Jul 2015

Oseltamivir will be administered as oral suspension BID for 5 days.” NCT03629184

“Post-exposition prophylaxis with oseltamivir or placebo.” NCT01053377

“* Oseltamivir 150 mg q 12 hours for 10 days ;” NCT04530422

oseltamivir 75 mg bid orally for 5 days” NCT03900988

NCT00304434

NCT03903718

NCT00803595

NCT04516915

NCT01146535

NCT00545532

NCT02342249

NCT03365336

NCT05083325

NCT03947411

NCT00391768

NCT01130636

NCT02603952

NCT04371601

NCT02780622

NCT06057103

NCT00416962

NCT07229807

NCT05648448

NCT04683406

NCT02232945

NCT06774859

NCT06762587

NCT01037634

NCT01690637

NCT00593502

NCT02108366

NCT00453999

NCT01032837

NCT03899571

NCT03901001

NCT04457609

NCT00844155

NCT01556633

NCT01231620

NCT03238612

NCT00707941

NCT04261270

NCT00936013

NCT07236814

NCT01179919

NCT01965626

NCT00949533

NCT04684498

NCT01708369

NCT00979251

NCT00935194

NCT01546935

NCT02282384

NCT05789342

NCT02927431

NCT01249833

NCT04381936

NCT00799760

NCT04712539

NCT03394209

NCT01227967

NCT00921726

NCT01314911

NCT05012189

NCT07357051

NCT01850446

NCT00436124

NCT01456234

NCT04255017

NCT02662426

NCT02735707

NCT02617784

NCT05170009

NCT02609399

NCT01248715

NCT02469298

NCT00540501

NCT02954354

NCT04297462

NCT01610245

NCT00979667

NCT00334529

NCT05108051

NCT03520049

NCT03028909

NCT02888327

NCT02717754

NCT00873886

NCT00298233

NCT05008679

NCT01443806

NCT07496736

NCT01715909

NCT03212716

NCT01306773

NCT01172847

NCT00830323

NCT00412555

NCT00555893

NCT04558463

NCT02262715

NCT02293863

NCT01902342

NCT02369159

NCT01050257

NCT01033734

NCT04338698

NCT01052961

NCT01980966

NCT03754686

NCT00439530

NCT01049763

NCT02949011

NCT05818124

NCT01010087

NCT02532283

NCT02561169

NCT00412737

NCT07113392

NCT01804946

NCT07095257

Known as Agucort ChEMBL registry synonym — accepted as the source's own label CHEMBL1229
Known as Ebilfumin ChEMBL registry synonym — accepted as the source's own label CHEMBL1229
Known as GS 4104 ChEMBL registry synonym — accepted as the source's own label CHEMBL1229
Known as GS-4071 ETHYL ESTER ChEMBL registry synonym — accepted as the source's own label CHEMBL1229
Known as HEC116094 ClinicalTrials.gov intervention name — accepted as the source's own label NCT04982913
Known as Oseltamivir (as phosphate) ChEMBL registry synonym — accepted as the source's own label CHEMBL1229
Known as oseltamivir phosphate Oseltamivir phosphate capsule (tamiflu) (98.5mg/capsule, equals to 75mg oseltamivir, license number J20090076)” NCT02662426
4

Oseltamivir phosphate capsule was administered as a single drug, 75 mg twice daily, for 5 days,Oral” NCT06057103

“75 mg oral oseltamivir phosphate capsules twice daily” PMID 40489986 Jun 2025

NCT04183725

NCT06669351

Known as Oseltamivir Phosphate Capsules ClinicalTrials.gov intervention name — accepted as the source's own label NCT02989012
Known as Oseltamiviri phosphas ChEMBL registry synonym — accepted as the source's own label CHEMBL1229
Known as OSL “A triple-combination antiviral drug (TCAD) regimen consisting of amantadine (AMT), oseltamivir (OSL) and ribavirin (RBV) demonstrated good efficacy in an animal model.” PMID 23264438 Dec 2012
Known as OST (oseltamivir) OST (oseltamivir)NCT01610245
Known as OSV “oseltamivir (OSV)” NCT02469298
Known as RO 64-0796/002 ChEMBL registry synonym — accepted as the source's own label CHEMBL1229
Known as Ro 64-0796/GS4104 “The pharmacokinetics and tolerability of the oral neuraminidase inhibitor oseltamivir (Ro 64-0796/GS4104) in healthy adult and elderly volunteers.” PMID 10934667 Aug 2000
Known as RO 640796 ChEMBL registry synonym — accepted as the source's own label CHEMBL1229
Known as Tamiflu “An Open Label, Prospective, Pharmacokinetic/Pharmacodynamic and Safety Evaluation of Oseltamivir (Tamiflu®) in the Treatment of Infants 0 to <12 Months of Age With Confirmed...” NCT00988325
17

“Oseltamivir (Tamiflu - manufactured by Roche) formulation is available as 75 mg Capsule and as powder for oral suspension.” NCT02927431

“Oseltamivir phosphate capsule (tamiflu) (98.5mg/capsule, equals to 75mg oseltamivir, license number J20090076)” NCT02662426

“Oseltamivir (Tamiflu®) is not an experimental drug, but is US Federal Drug Administration (FDA) approved” NCT00707941

“Oseltamivir (Tamiflu) Dosing Strategies for Use During Influenza Prophylaxis (VA01)” NCT00304434

“Oseltamivir (Tamiflu) is used most often to treat flu” NCT01227967

“oseltamivir (Tamiflu(Registered Trademark))” NCT00334529

“Drug: oseltamivir (Tamiflu®)” NCT00391768

“Oseltamivir (TAMIFLU®)” NCT05648448

“Drug: Tamiflu (verum)” NCT01053377

“oseltamivir [Tamiflu]” NCT01980966

“Oseltamivir (Tamiflu)” NCT00873886

“oseltamivir [Tamiflu]” NCT00436124

“oseltamivir [Tamiflu]” NCT00412555

“oseltamivir [Tamiflu]” NCT01033734

“oseltamivir [Tamiflu]” NCT01172847

Tamiflu (oseltamivir)” NCT01556633

NCT01053663

Action Inhibit “potently and specifically inhibits the viral neuraminidases” NCT00298233
Modality Small molecule CHEMBL1229
Route Oral “Oseltamivir will be administered orally” NCT00298233