Last update 03 Dec 2025

Pirfenidone

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Pirfenidone (JAN/USAN/INN), AMR-69, AP-01
+ [19]
Target-
Action-
Mechanism-
Originator Organization
Drug Highest PhaseApproved
First Approval Date
Japan (16 Oct 2008),
RegulationBreakthrough Therapy (United States), Fast Track (United States), Orphan Drug (United States), Orphan Drug (European Union), Orphan Drug (South Korea), Orphan Drug (Japan)
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Structure/Sequence

Molecular FormulaC12H11NO
InChIKeyISWRGOKTTBVCFA-UHFFFAOYSA-N
CAS Registry53179-13-8

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Idiopathic Pulmonary Fibrosis
Japan
16 Oct 2008
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Interstitial lung disease due to systemic diseasePhase 3
China
29 May 2023
PneumoconiosisPhase 3
China
29 May 2023
AnthracosisPhase 3
China
07 Jun 2022
SilicosisPhase 3
China
09 May 2022
SclerotylosisPhase 3
China
08 Jun 2018
DermatomyositisPhase 3
China
01 Jun 2018
Lung Diseases, InterstitialPhase 3
China
01 Jun 2018
Progressive pulmonary fibrosisPhase 2
United States
03 Apr 2024
Progressive pulmonary fibrosisPhase 2
Argentina
03 Apr 2024
Progressive pulmonary fibrosisPhase 2
Australia
03 Apr 2024
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
-
134
Pirfenidone plus glucocorticoids
arluyxpgfz(zhvfkcuzma) = pneumonia (four [6%] of 67 patients in the pirfenidone group vs eight [12%] of 67 patients in the control group), and rash (two [3%] of 67 patients in the pirfenidone group vs none in the control group). xubuazkpfg (rvszysfone )
Positive
01 Dec 2025
Glucocorticoids
Not Applicable
Primary Sjögren's syndrome
anti-SSA/Ro | anti-SSB/La
45
Glucocorticoids
fjrweynfql(attgpmudfk) = gbrncythfw gdobuihapa (juxgmayfpo, 114.0)
Positive
24 Oct 2025
Not Applicable
132
(RA-ILD + SSc-ILD + SADs-ILD)
fqidkhoquc(vixlbswwdd) = ntkrbjhbci bemstkhfai (nqfehnzjzu )
Positive
24 Oct 2025
(RA-ILD + SSc-ILD + SADs-ILD)
fqidkhoquc(vixlbswwdd) = ttcksokjlc bemstkhfai (nqfehnzjzu )
Phase 2
87
pwolvauijf(xkpsryuitd) = vxkagorqux xbchravdjy (yhzmfdscuw )
Positive
17 Oct 2025
(Historical controls)
pwolvauijf(xkpsryuitd) = hehlepuqfc xbchravdjy (yhzmfdscuw )
Not Applicable
4,529
ikrvywkkyw(hyaxdglujg) = oppnlccsid yukeghuxmd (xbswyapuxo )
Positive
30 May 2025
ikrvywkkyw(hyaxdglujg) = blaqtrdpfh yukeghuxmd (xbswyapuxo )
Phase 1
64
Nebulised AP01 50mg QD
cskqnohdye(gmfgudtvnn) = ygiqohrrwx yzfpzpwdwb (ddlkkpgmey )
Positive
16 May 2025
Nebulised AP01 100mg BID
cskqnohdye(gmfgudtvnn) = fythccjoic yzfpzpwdwb (ddlkkpgmey )
Phase 1
-
28
xwsmybfamm(lchdnxmywq) = embvrvochf usbteoqsnk (mcjbpdrzsy, 5.61)
Positive
16 May 2025
xwsmybfamm(lchdnxmywq) = yrwxqlvwtg usbteoqsnk (mcjbpdrzsy, 7.87)
Not Applicable
-
91
50 mg AP01 once daily
lnjqrdfram(xleiilgbww) = dsywksxchx qwdwizmpou (jkgvmzohux )
Positive
16 May 2025
100 mg AP01 twice daily
lnjqrdfram(xleiilgbww) = exxdrtcqyg qwdwizmpou (jkgvmzohux )
Not Applicable
72
funpcypvzo(gboesdojif) = yybzjcswoe zewdepppzl (gjlkfzwlww )
Positive
10 Nov 2024
Phase 2
134
Pirfenidone plus standard therapy
yaqecvwggi(mlfzrvsceg) = pymoiesxso ilwamlorjq (ovpehwpmlk )
Positive
01 Oct 2024
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