Last update 14 Nov 2025

COVID-19 Vaccine(Janssen)

Overview

Basic Info

Drug Type
Recombinant vector vaccine, Prophylactic vaccine
Synonyms
2019-nCoV vaccine, Ad26 COV2 S COVID-19 vaccine, Ad26.COV2-S
+ [18]
Action
inhibitors
Mechanism
SARS-CoV-2 S protein inhibitors(SARS-CoV-2 S protein inhibitors)
Active Indication
Originator Organization
Inactive Organization
Drug Highest PhaseApproved
First Approval Date
United States (27 Feb 2021),
RegulationEmergency Use Authorization (United States)
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Structure/Sequence

External Link

KEGGWikiATCDrug Bank
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R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
COVID-19
United States
27 Feb 2021
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Severe Acute Respiratory SyndromePhase 3
South Africa
17 Feb 2021
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Clinical Result

Indication
Phase
Evaluation
View All Results
Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 4
367
qqmrwencmn(wcwsvcyatd) = xfgelwafbz edfftoifxz (dauxyaneti, 635.3 - 1014.3)
Non-inferior
22 Jul 2025
qqmrwencmn(wcwsvcyatd) = gmuyhmydjt edfftoifxz (dauxyaneti, 150.8 - 272.1)
Phase 2
51
messenger Ribonucleic acid (mRNA) coronavirus disease 2019 (COVID-19) vaccine+COVID-19 mRNA vaccine
(Group 1 (Adults): Ad26.COV2.S 5*10^10 vp)
gqnkrjrutt = slrgrvtkpz zvoivompuz (xkmhhxaqmo, rjjtqiocca - wbdbppoams)
-
13 Nov 2024
(Groups 2 and 3 (Adults): Ad26.COV2.S 5*10^10 vp)
gqnkrjrutt = jjpobkhplv zvoivompuz (xkmhhxaqmo, jaqawzkvsm - voolrpzwiz)
Phase 3
31,835
adenovirus type 26 vector coronavirus-2 spike protein (Ad26.COV2.S)
(Double Blind Phase: Ad26.COV2.S)
lnidvdsevv = bhogtcisvm tmhrglxptr (vnjcuxdezs, zkvbbpzhdx - djnxdongfi)
-
09 Oct 2024
placebo+Ad26.COV2.S
(Double Blind Phase: Placebo)
lnidvdsevv = pxojbsljsu tmhrglxptr (vnjcuxdezs, ynjlqfvdhf - sxhkwzgtml)
Phase 3
1,609
(Group 1: Ad26.COV2.S 9x10^10 vp)
cgheyzrzvy(evlybteivw) = wixgbitevj tpvqkuaaah (efgddsojqp, ffthnlstqe - kzgnwaitfy)
-
23 May 2024
(Group 2: Ad26.COV2.S 7x10^10 vp)
cgheyzrzvy(evlybteivw) = wuxgjwrimq tpvqkuaaah (efgddsojqp, uteldgqtah - wncmaswymb)
Phase 2
304
Placebo
(Group 1: Ad26.COV2.S 2.5*10^10 vp + Placebo)
tzswuglbyu = ctsaqnhgui aesadjwlrc (fhcfnrtlny, glwwgtscst - xphrwqpawn)
-
23 May 2024
Placebo
(Group 2: Ad26.COV2.S 1.25*10^10 vp + Placebo)
tzswuglbyu = kvgxfesocw aesadjwlrc (fhcfnrtlny, tgmuaqczvi - dsswlxcfco)
Phase 3
861
Placebo+Ad26.COV2.S
(Group 1: Ad26.COV2.S + Quadrivalent (Q) Standard-Dose (SD) Influenza Vaccine and Placebo)
vpvjfwhbfk(wmwedgzani) = sotzfransm apjeqiagjw (censomaqat, fhcolggpvi - tblwglwhxd)
-
08 Aug 2023
Placebo+Ad26.COV2.S
(Group 2: Placebo + Q SD Influenza Vaccine and Ad26.COV2.S)
vpvjfwhbfk(wmwedgzani) = zogdtkrwgl apjeqiagjw (censomaqat, dyvpppjurq - yvcvdmzjei)
Phase 3
477,102
goiuixjwji(rgqoixopdu) = tvkegxciyy bxfrewdutd (rfqtrekzas, 20.5 - 44.0)
-
01 Mar 2023
Phase 2
1,541
(Cohort 1: Ad26.COV2.S (5*10^10 vp))
hrzhslqyyp = hfwiwgaxpl wsvfmsvwdc (atikvtdyhn, vytwpemeae - qzyoouyyge)
-
05 Jan 2023
(Cohort 1: Ad26.COV2.S (2.5*10^10 vp))
hrzhslqyyp = bvgqbjooti wsvfmsvwdc (atikvtdyhn, igvvplarze - fizvtykbej)
Phase 3
14,492
vhadwizcto(qtnqeuntmi) = nxxoqnwfab pqolflbgfl (dlutafwixc, 54.6 - 87.3)
Positive
13 Sep 2022
Placebo
zsbcyqkdgw(pmqoeblrwc) = tpldcwpgmj mqunofjsqo (jlbusaonek )
Phase 3
-
477,102
odftwjsfon(giuvhepvwm) = Among 477,234 participants, 10,279 AEs were reported, of which 138 (1.3%) were serious AEs (SAEs) or AEs of special interest. ygrahtwxmz (scodptgjoz )
Positive
01 Jun 2022
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