Efficacy and Safety Study of Treprostinil Palmitil Inhalation Powder (TPIP) in Participants With Pulmonary Hypertension Associated With Interstitial Lung Disease (PH-ILD)

NCT ID: NCT07179380

Last Updated: 2026-02-09

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE3

Total Enrollment

344 participants

Study Classification

INTERVENTIONAL

Study Start Date

2026-01-07

Study Completion Date

2028-12-30

Brief Summary

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The primary objective of this study is to evaluate the effect of 24-weeks of once daily treatment with TPIP versus placebo on exercise capacity in adults with PH-ILD.

Detailed Description

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Conditions

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Pulmonary Hypertension Interstitial Lung Disease

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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Treprostinil Palmitil Inhalation Powder

Participants will receive TPIP, once daily (QD), at a starting dose of 80 micrograms (μg) to maximum tolerated dose up to 1280 μg for 24 weeks.

Group Type EXPERIMENTAL

Treprostinil Palmitil Inhalation Powder

Intervention Type DRUG

Oral inhalation using a capsule-based dry powder inhaler device.

Placebo

Participants will receive a placebo matching TPIP QD for 24 weeks.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Oral inhalation using a capsule-based dry powder inhaler device.

Interventions

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Treprostinil Palmitil Inhalation Powder

Oral inhalation using a capsule-based dry powder inhaler device.

Intervention Type DRUG

Placebo

Oral inhalation using a capsule-based dry powder inhaler device.

Intervention Type DRUG

Other Intervention Names

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INS1009

Eligibility Criteria

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Inclusion Criteria

* Diagnosis of PH World Health Organisation (WHO) Group 3 associated with ILD \[including but not limited to idiopathic interstitial pneumonia (IIP), chronic hypersensitivity pneumonitis (HSP), connective tissue disease-associated interstitial lung disease (CTD-ILD), combined pulmonary fibrosis and emphysema (CPFE)\].
* Confirmation of fibrotic interstitial lung disease by centrally overread computed tomography (CT) scan performed at Screening or within prior 12 months.
* PH confirmed by right heart catheterization (RHC) at Screening or within 12 months prior to Screening, with the following hemodynamic findings:

* Mean pulmonary arterial pressure (mPAP) \>20 millimetre of mercury (mmHg) and
* Pulmonary capillary wedge pressure (PCWP) of ≤15 mmHg and
* Pulmonary vascular resistance (PVR) ≥4 wood units (WU).
* 6 Minute walking distance (6MWD) ≥100 and ≤500 meters at two 6MWTs at Screening performed at least 4 hours apart, with the difference between the 2 distances ≤15%.
* Participants receiving chronic medication for underlying disease (e.g., antifibrotic, immunomodulators, immunosuppressants, etc.) and/or phosphodiesterase 5 (PDE5) inhibitors, should be on this treatment for ≥90 days and on a stable dose for ≥30 days prior to Screening.
* Capable of giving signed informed consent as described in Section 10.1.5 which includes compliance with the requirements and restrictions listed in the informed consent form (ICF) and in this protocol.

Exclusion Criteria

* Diagnosis of Pulmonary Hypertension WHO Groups 1, 2, 4, or 5, or subtypes of PH WHO Group 3 other than interstitial lung disease.
* Primary diagnosis of chronic obstructive pulmonary disease (COPD) and/or forced expiratory volume in 1 second (FEV1)/FVC \<0.7 (based on screening or historical spirometry within the prior 6 months).
* Clinically significant left heart disease:

* evidence of clinically significant left-sided valvular heart disease,
* left ventricular failure with left ventricular ejection fraction (LVEF) \<45%, or diagnosis of heart failure with preserved ejection fraction (HFpEF)
* echocardiography findings at Screening suggestive for postcapillary PH
* unstable ischemic heart disease
* unstable arrhythmia, including uncontrolled atrial fibrillation (rate-controlled arrhythmia or paroxysmal atrial fibrillation is allowed)
* Evidence of chronic thromboembolic disease or recent (within 6 months of Screening) acute pulmonary embolism.
* Known hypersensitivity or contraindication to treprostinil or TPIP or TPIP formulation excipients (e.g., mannitol, leucine).
* Current use of cigarettes or e-cigarettes: An adult who has smoked at least 100 cigarettes in his or her lifetime and who currently smokes either every day or some days.
* Current use of inhaled marijuana, recreational or medical (current use defined as used at least one or more times during the past 30 days prior to Screening) or expected use during the study.
* Any other medical or psychological condition including relevant laboratory abnormalities at Screening that, in the opinion of the Investigator, suggest a new and/or insufficiently understood disease and/or may present an unreasonable risk to the study participant as a result of his/her participation in this clinical trial, may impede their ability complete the study or the study assessments or confound the outcomes of the trial.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Insmed Incorporated

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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USA001

Santa Barbara, California, United States

Site Status RECRUITING

USA006

Naples, Florida, United States

Site Status RECRUITING

USA003

Bend, Oregon, United States

Site Status RECRUITING

USA008

Richmond, Virginia, United States

Site Status RECRUITING

GEO004

Tbilisi, , Georgia

Site Status RECRUITING

GEO003

Tbilisi, , Georgia

Site Status RECRUITING

GEO001

Tbilisi, , Georgia

Site Status RECRUITING

ISR003

Petah Tikva, Central District, Israel

Site Status RECRUITING

ISR001

Haifa, , Israel

Site Status RECRUITING

ISR002

Jerusalem, , Israel

Site Status RECRUITING

JPN002

Narashino-shi, Chiba, Japan

Site Status RECRUITING

JPN001

Sapporo, Hokkaido, Japan

Site Status RECRUITING

JPN007

Yokohama, Kanagawa, Japan

Site Status RECRUITING

JPN008

Kiyose, Tokyo, Japan

Site Status RECRUITING

JPN003

Shibuya City, Tokyo, Japan

Site Status RECRUITING

JPN005

Nagano, , Japan

Site Status RECRUITING

Countries

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United States Georgia Israel Japan

Central Contacts

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Insmed Medical Information

Role: CONTACT

18444467633

Other Identifiers

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2025-521558-40-00

Identifier Type: OTHER

Identifier Source: secondary_id

INS1009-311

Identifier Type: -

Identifier Source: org_study_id

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