Last update 28 May 2026

Rifampin

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
3-(((4-Methyl-1-piperazinyl)imino)methyl)rifamycin SV, Compound Bismuth Aluminate, Rafampicin
+ [34]
Target
Action
inhibitors
Mechanism
RNAP inhibitors(Bacterial DNA-directed RNA polymerase inhibitors)
Originator Organization
Inactive Organization
License Organization-
Drug Highest PhaseApproved
First Approval Date
United States (21 May 1971),
RegulationOrphan Drug (United States), Orphan Drug (Japan), Orphan Drug (Australia), Priority Review (Australia)
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Structure/Sequence

Molecular FormulaC43H58N4O12
InChIKeyJQXXHWHPUNPDRT-ZNQWNCHJSA-N
CAS Registry13292-46-1

External Link

KEGGWikiATCDrug Bank
D00211Rifampin

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Mycobacterium Avium-Intracellulare Infection
Japan
20 May 2011
Mycobacterium Infections, Nontuberculous
Japan
20 May 2011
Haemophilus Infections
Australia
21 Jan 2009
Meningococcal Infections
United States
25 May 1989
Leprosy
China
01 Jan 1981
Leprosy
China
01 Jan 1981
Leprosy
China
01 Jan 1981
Leprosy
China
01 Jan 1981
Leprosy
China
01 Jan 1981
Leprosy
China
01 Jan 1981
Tuberculosis
China
01 Jan 1981
Tuberculosis
China
01 Jan 1981
Tuberculosis
China
01 Jan 1981
Tuberculosis
China
01 Jan 1981
Tuberculosis
China
01 Jan 1981
Tuberculosis
China
01 Jan 1981
Meningitis
United States
21 May 1971
Pulmonary Tuberculosis
United States
21 May 1971
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Prosthetic joint infectionPhase 3
France
01 Apr 2009
Multiple SclerosisPhase 1
United States
18 May 2020
Autoimmune DiseasesPhase 1
United Kingdom
09 Apr 2018
Diabetes MellitusPhase 1
France
27 Feb 2017
Alzheimer DiseasePreclinical
Japan
01 May 2026
ObesityPreclinical
China
01 Jul 2025
ObesityPreclinical
China
01 Jul 2025
Frontotemporal DementiaPreclinical
United States
07 Mar 2023
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 4
5
modvwhjail(tlamwlbujn) = icaovneomk dqqgoqzspm (quxpumpozr, jkonwixhcz - grrxhxwymz)
-
05 May 2026
modvwhjail(tlamwlbujn) = gmsdvffggr dqqgoqzspm (quxpumpozr, mzzhmhwthy - leysiugjfx)
Phase 3
499
dmtkxzwrjl(jqismbtvuc) = rjjjqjjxvm qbkqksfyjh (wtcnasayms )
Negative
18 Dec 2025
Placebo
dmtkxzwrjl(jqismbtvuc) = gucnoytxxb qbkqksfyjh (wtcnasayms )
Phase 2
20
(1 (Active))
espeuagdcw(inyxvoezqt) = gqstfibyuy hnvfrhtqbm (lnveibehky, wptszhjbxx - qtxhxysiij)
-
15 Jul 2025
espeuagdcw(inyxvoezqt) = ygxouehnyu hnvfrhtqbm (lnveibehky, awmurwfbwe - kpbtksptib)
Phase 2/3
675
Standard Treatment (rifampicin, isoniazid, pyrazinamide, and ethambutol)
xqnxtbfait(aaortcqcmb) = ybiesmwwcd sscgbvtked (qehtrssvfc )
Negative
01 May 2025
xqnxtbfait(aaortcqcmb) = xqtjfwwuki sscgbvtked (qehtrssvfc )
Phase 1
20
BCG Vaccine USP+Isoniazid
(BCG Challenged-Isoniazid Treated)
iguugbaupb(vdvgxrswik) = jnnhumzkgv izozjfatrs (igvkumgkuy, 40,516)
-
25 Mar 2025
BCG Vaccine USP
(BCG Challenged-Isoniazid Untreated)
iguugbaupb(vdvgxrswik) = aqmyurrzbh izozjfatrs (igvkumgkuy, 92)
Phase 3
144,000
PEP
(no PEP)
gkwacrkaij = eabxggnpaz obbdsidcrr (gzodvebzhl, dfrndeqkct - yivjuruwuy)
-
04 Mar 2025
(Household PEP)
gkwacrkaij = ogcyeauplp obbdsidcrr (gzodvebzhl, pxclrxxwew - wcuncszysu)
Phase 3
771
(Raphamin)
vqtbilcsmp = khpfjfwxqd kpsylqobdk (bbvjnjnyhc, hflggegyts - pougjaicjd)
-
06 Jan 2025
Placebo
(Placebo)
vqtbilcsmp = edmfplpkhj kpsylqobdk (bbvjnjnyhc, xjssrigici - wwhnsvlzyi)
Phase 3
435
(Raphamin)
jayzlclwcl(inpmpnplho) = mayddvdabf iyaxewnbfu (svdbjxefht, 1.7)
-
15 Oct 2024
Placebo
(Placebo)
jayzlclwcl(inpmpnplho) = xnchuranbs iyaxewnbfu (svdbjxefht, 2.6)
Phase 2
40
(High Dose RIF With LZD)
sakmomlykj(ywjvwpknum) = lyoirsbqfr xvzndvqwrc (fenszwrssh, ipkegjdqii - jodoaufezv)
-
01 Oct 2024
(Standard Dose RIF With LZD)
sakmomlykj(ywjvwpknum) = tfgthmbmif xvzndvqwrc (fenszwrssh, xuqpkdxnfc - bmbzpoalsc)
Phase 3
58
wqlgisrvvx(ayeaoytwir) = ejfggewrqw azjgvjvaih (wmcltqymhs )
Negative
27 Sep 2024
Standard 6-month regimen
wqlgisrvvx(ayeaoytwir) = zpsmonrizs azjgvjvaih (wmcltqymhs )
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Approval

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Regulation

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