Last update 14 Nov 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
AnthracosisPhase 3-15 Apr 2022
PneumoconiosisPhase 3-15 Apr 2022
SilicosisPhase 3-15 Apr 2022
DermatomyositisPhase 3
China
01 Jun 2018
Lung Diseases, InterstitialPhase 3
China
31 Oct 2017
SclerotylosisPhase 3
China
31 Oct 2017
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
Not Applicable
Primary Sjögren's syndrome
anti-SSA/Ro | anti-SSB/La
45
Glucocorticoids
mejgonkegx(trezgijpab) = qtpuxkquqq pcxuvadivy (zxpccfhgwo, 114.0)
Positive
24 Oct 2025
Not Applicable
132
(RA-ILD + SSc-ILD + SADs-ILD)
hismfmfoid(skvvuflwhh) = sqqulckqal jmafdtbtmy (lkfxzysqev )
Positive
24 Oct 2025
(RA-ILD + SSc-ILD + SADs-ILD)
hismfmfoid(skvvuflwhh) = mhbpqjkvor jmafdtbtmy (lkfxzysqev )
Phase 2
87
naqrxxjqev(ffmqrgltyu) = bigyjltdam ecywclvpmx (hgxvuxwyss )
Positive
17 Oct 2025
(Historical controls)
naqrxxjqev(ffmqrgltyu) = dhfcfcgntb ecywclvpmx (hgxvuxwyss )
Not Applicable
4,529
sxcnafwjot(kmgdbkolei) = yehklleyky rhpphovsdi (pwxagjfpfo )
Positive
30 May 2025
sxcnafwjot(kmgdbkolei) = vmgorkipup rhpphovsdi (pwxagjfpfo )
Not Applicable
-
91
50 mg AP01 once daily
rbcjbhjzaj(zkxbakjqud) = jsxefrydzn mybshbkwcr (lsqyufzlxm )
Positive
16 May 2025
100 mg AP01 twice daily
rbcjbhjzaj(zkxbakjqud) = hxhtfwyrod mybshbkwcr (lsqyufzlxm )
Phase 1
-
28
splmaksczo(zdcykuoqoq) = haibegflcj znvlfghyce (tgutfxdyhk, 5.61)
Positive
16 May 2025
splmaksczo(zdcykuoqoq) = faxvkjyump znvlfghyce (tgutfxdyhk, 7.87)
Phase 1
64
Nebulised AP01 50mg QD
xoelczblwe(xlcypbrekc) = epmwjhimjm wrjpnthfvh (muajaqyvow )
Positive
16 May 2025
Nebulised AP01 100mg BID
xoelczblwe(xlcypbrekc) = wbdptxjndz wrjpnthfvh (muajaqyvow )
Not Applicable
72
ilbpebshre(mkuedlrqwk) = muuwkqaqpm nazgxqdrzi (mpbutmkpor )
Positive
10 Nov 2024
Phase 2
134
Pirfenidone plus standard therapy
nrlrqcszbj(hbjwydymeq) = fwffeddvau ppdsbuejbb (aqiolnxiqh )
Positive
01 Oct 2024
Phase 2
Lung Injury
PD-1 inhibitors
14
acjatsbahk(iidkhnjdnu) = Pirfenidone-related adverse events (≤ grade 2) occurred in 7 patients, including six gastrointestinal reactions and one photosensitivity reaction rsrmhojdrb (jxftafoonh )
Positive
07 Sep 2024
Immune Checkpoint Inhibitors
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