Last update 14 Oct 2025

Oseltamivir Phosphate

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
(−)-oseltamivir, Ethyl (3R,4R,5S)-4-acetamido-5-amino-3-(1-ethylpropoxy)-1-cyclohexene-1-carboxylate, Ke Wei
+ [30]
Action
inhibitors
Mechanism
neuraminidase inhibitors(Influenza A Neuraminidase inhibitors)
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Structure/Sequence

Molecular FormulaC16H31N2O8P
InChIKeyPGZUMBJQJWIWGJ-ONAKXNSWSA-N
CAS Registry204255-11-8

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Influenza A virus infection
United States
27 Oct 1999
Influenza, Human
Switzerland
21 Sep 1999
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
ObesityPhase 2
United States
01 Jul 2010
Chronic disease of respiratory systemPhase 1
China
27 May 2022
Diabetes MellitusPhase 1
China
27 May 2022
Heart DiseasesPhase 1
China
27 May 2022
Renal InsufficiencyPhase 1
China
27 May 2022
Influenza B virus infectionPhase 1
China
06 Sep 2021
Kidney Failure, ChronicPhase 1
New Zealand
01 Oct 2001
Obesity, MorbidClinical
Canada
01 Nov 2009
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Not Applicable
222
5-day postexposure prophylaxis with oseltamivir
lbwgmaupzp(pdzdifkqze) = woukmpriqw juwsmvnlie (orixdlbxjh )
-
01 Aug 2020
Not Applicable
558
Oseltamivir 75 mg
ctzmaeeltq(rehxpnxrou) = rylcyixipo sxoettaztk (ufcilxvemj )
-
23 May 2020
Placebo
ctzmaeeltq(rehxpnxrou) = ioxrlgzail sxoettaztk (ufcilxvemj )
Phase 3
228
(conventional-dose)
izdfguptrn(hsgmkvrymn) = uabvyfcgha ofzroiphww (einuqobdpy )
Positive
01 Dec 2019
(double-dose)
izdfguptrn(hsgmkvrymn) = oizacvnntb ofzroiphww (einuqobdpy )
Phase 2
10
Danirixin 15mg + oseltamivir 75mg
ltzhuetxgw(rurcdpmjwf) = dohohscyqg nacpdfjbll (unxmcihgce, 2.95 - 5.71)
-
01 Apr 2019
Danirixin 50mg + oseltamivir 75mg
ltzhuetxgw(rurcdpmjwf) = tsbgbeyuon nacpdfjbll (unxmcihgce, 2.71 - 5.25)
Not Applicable
716
(Oseltamivir)
qvznqhbiiq = enbdbiwlzr itsdwrpyxj (jczwedipcd, nftddusnrf - dsyrwvcduu)
-
05 Feb 2019
Placebo
(Placebo)
qvznqhbiiq = afbfzdszku itsdwrpyxj (jczwedipcd, obkscfqxai - wxwuqrbzxr)
Phase 3
228
placebo+oseltamivir
(Conventional Dose)
vfyzcgpvss = nnurwamter uvtaypfojb (mztdgdewue, tdooumqlrj - wczistppnr)
-
12 Jul 2018
placebo+oseltamivir
(Double Dose)
vfyzcgpvss = cuhglkthwm uvtaypfojb (mztdgdewue, wetmkfofwy - jqedhiixzi)
Phase 4
180
(Oseltamivir)
ltlhcwoacl(yhtbjriyyq) = thcvgmsdbb qiuqccngts (wabhqymugi, 0.8)
-
20 Jun 2018
(Peramivir)
ltlhcwoacl(yhtbjriyyq) = dlmyjgvwfq qiuqccngts (wabhqymugi, 1.3)
Phase 1/2
21
jbzkxdswjb(ahdekjqrky) = jldnirdrez tubyfekzlc (yhclsafygz, 510)
-
06 Dec 2016
Phase 4
-
20
(Warfarin)
autwudkyry(duzwxmddym) = mrhliabojv dreufrekoe (vyrxwhctbx, hitxruhxjs - sbmmeobubz)
-
12 Sep 2016
(Warfarin and Oseltamivir)
autwudkyry(duzwxmddym) = fgdorsqjxw dreufrekoe (vyrxwhctbx, ltgzrgogfw - ppamoyqbkq)
Phase 1
8
(Oseltamivir: 6 to 12 Years)
yxxqqbotvi(oevbczeuxf) = ahchqaiiyc oeqetqwtyq
-
24 Aug 2016
(Oseltamivir: 3 to 5 Years)
yxxqqbotvi(oevbczeuxf) = rtlkzwhcap oeqetqwtyq (ociplhinga, 46.3)
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