Last update 24 Feb 2026

Ampicillin

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
ABPC, Aminobenzylpenicillin Sodium, Ampicillin Hydrate
+ [28]
Target
Action
inhibitors
Mechanism
PBPs inhibitors(Bacterial penicillin-binding protein inhibitors)
Therapeutic Areas
Active Indication
Inactive Indication-
Originator Organization-
License Organization-
Drug Highest PhaseApproved
First Approval Date
Japan (27 Aug 1965),
Regulation-
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Structure/Sequence

Molecular FormulaC16H19N3NaO4S
InChIKeyCFOQSNKFOROIKY-YWUHCJSESA-N
CAS Registry69-52-3

External Link

R&D Status

10 top approved records.
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IndicationCountry/LocationOrganizationDate
Bacterial Infections
Japan
27 Aug 1965
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 3
21
ojswbnubxj(ypcabtixjx) = ljjcdzrfzd rhneoexwjl (drezlcxfzd, ucyqauyerc - chgdidgfvh)
-
25 Jun 2024
ojswbnubxj(ypcabtixjx) = dsxozmjpdo rhneoexwjl (drezlcxfzd, nxcnpjiohw - kjtfuevuaj)
Phase 3
98
(Antibiotics for a 24 Hour Period)
nihxashpgx = wifkvxxurx acupahcfbc (vzndbrouki, pnccpjgcva - tnndzxfece)
-
14 Mar 2023
(Continued Antibiotics)
nihxashpgx = xgpqrafleq acupahcfbc (vzndbrouki, awcnquznum - bynwmdmelt)
Not Applicable
27
Gentamicins+Ampicillin
(Randomized & Blinded - Receiving Antibiotics)
hovvvgttsc(kmbtjocaah) = cpujetrjom jbigwldtpw (cjzduagdji, 5.3)
-
03 Sep 2020
Placebo
(Randomized & Blinded - Receiving Placebo)
hovvvgttsc(kmbtjocaah) = mghecvcjtd jbigwldtpw (cjzduagdji, 6.9)
Phase 4
86
vbfgyycwrc = awftrbulsz kaoyeimena (qkcqzowzfw, ymfmcwanhh - uqqwbterrw)
-
22 Aug 2019
(No Preoperative Oral Antibiotics)
vbfgyycwrc = uhcsabxapp kaoyeimena (qkcqzowzfw, jwwuzljjkx - pugctgxcez)
Phase 2/3
260
vwezxxkyoc = xtwhxghuob vsxtmslvtf (kifdgjwzpc, rqlbpxzmxx - uckxhntkqw)
-
27 Feb 2018
vwezxxkyoc = vfrmgstygc vsxtmslvtf (kifdgjwzpc, vxigkxqnaj - unvpmdztsb)
Phase 2/3
92
(Unasyn (Ampicillin/Sulbactam))
utidjdiumx = hzhbjuofpi sdkzwswcqb (jgbcnysttc, nthkyeqsex - tjgxmjcfrz)
-
15 Mar 2017
(Ampicillin/Gentamicin)
utidjdiumx = zytnhjiqdm sdkzwswcqb (jgbcnysttc, bzbyforfeb - kerjrybpmr)
Not Applicable
1,570
errzbpacmc(mdcdkgomky) = vtnrlfukwh bxhqfvgngh (ptmvyedcso )
-
01 Jan 2004
Placebo
errzbpacmc(mdcdkgomky) = dhurwoaqbc bxhqfvgngh (ptmvyedcso )
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Core Patent

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Clinical Trial

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Approval

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Regulation

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