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Pirfenidone

Phase 2

Idiopathic Pulmonary Fibrosis | Small molecule | Respiratory |PureTech Health plc|Last Updated: Oct 15, 2025

Target and mechanism

ModalitySmall molecule

Also known as Pirfenidone (PFD)

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLED
Total Trials1
Total Enrollment240

FDA Designations

No designations recorded

Clinical trial landscape

Pirfenidone · 1 trial · 1 indication

Phase 2 1
NCT05321420LYT-100 in Patients With Idiopathic Pulmonary Fibrosis (IPF)Idiopathic Pulmonary Fibrosis
ACTIVE NOT_RECRUITING240 Analytics
PHASE2ACTIVE NOT_RECRUITING
LYT-100 in Patients With Idiopathic Pulmonary Fibrosis (IPF)
Idiopathic Pulmonary FibrosisUnlock trial analytics

Study Design & Arms

Interventions

NameTypeDescription
PlaceboDRUGplacebo
PirfenidoneDRUGpirfenidone 801 mg TID
DeupirfenidoneDRUGDeupirfenidone
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Frequently asked questions about Pirfenidone

What is Pirfenidone used for?

Pirfenidone is an investigational small molecule being developed for the treatment of Idiopathic Pulmonary Fibrosis (IPF), a chronic and progressive lung disease. It is currently in Phase 2 clinical development and is not yet approved by regulatory authorities.

Who makes Pirfenidone?

Pirfenidone is being developed by PureTech Health plc, a biopharmaceutical company listed on the stock exchange under the ticker symbol PRTC. The company is conducting clinical trials to evaluate the drug's safety and efficacy in patients with Idiopathic Pulmonary Fibrosis.

What phase is Pirfenidone in?

Pirfenidone is currently in Phase 2 clinical development. It is an investigational drug, meaning it has not been approved by regulatory agencies such as the FDA. The ongoing Phase 2 trial is actively enrolling participants to assess the treatment's effects in Idiopathic Pulmonary Fibrosis.

What clinical trials is Pirfenidone in?

Pirfenidone is being evaluated in a Phase 2 clinical trial registered as NCT05321420, titled "LYT-100 in Patients With Idiopathic Pulmonary Fibrosis (IPF)." This active, non-recruiting study has an enrollment target of 240 participants and is investigating the drug's use in Idiopathic Pulmonary Fibrosis.

Is Pirfenidone the same as LYT-100?

Pirfenidone is also known as Pirfenidone (PFD). The clinical trial NCT05321420 refers to the drug as LYT-100, which appears to be an alternative name used in the study context. Both names refer to the same investigational small molecule being developed for Idiopathic Pulmonary Fibrosis.