NCT07816185 · Pulmovant, Inc.
A Phase 3 Trial of Inhaled Mosliciguat in PH-ILD (PHrontier)
What this study is about
A Phase 3, conducted at multiple hospitals, randomly assigned, where neither patients nor doctors know which treatment is given compared against an inactive treatment Trial to Evaluate the Safety and effectiveness of Inhaled Mosliciguat in Participants with Pulmonary Hypertension Associated with Interstitial Lung Disease
View original scientific description
A Phase 3, Multicenter, Randomized, Double-Blind Placebo-Controlled Trial to Evaluate the Safety and Efficacy of Inhaled Mosliciguat in Participants with Pulmonary Hypertension Associated with Interstitial Lung Disease
Interventions
DRUG
Mosliciguat
Dose level 1, 2, or 3 for inhalation
DRUG
Placebo
Matching Placebo for inhalation
DEVICE
Dry Powder Inhaler
Administration via dry powder inhaler
Primary outcome measures
Change from Baseline in 6-Minute Walk Distance (6MWD)
Time frame: Baseline to Week 24
The 6MWD measures the distance a participant is able to walk quickly on a flat, hard surface in a period of 6 minutes
Who can participate
This study lists these criteria on ClinicalTrials.gov. A study coordinator reviews eligibility during screening — this page does not determine whether you qualify.
Inclusion criteria
- Participants willing and able to provide informed consent.
- Participants with diagnosis of pulmonary hypertension (PH) associated with interstitial lung disease (ILD). Diagnosis will be confirmed by a high-resolution computerized tomography (HR-CT) scan showing diffuse parenchymal disease. Eligible diagnosed disease include:
- Idiopathic interstitial pneumonia (IIP)
- Chronic Hypersensitivity pneumonitis
- ILD associated connective tissue disease (CTD)
- Confirmed pulmonary hypertension by right heart catheterization (RHC).
- Ability to perform 6-minute walk distance ≥100 meters.
Exclusion criteria
- Diagnosis of PH Group 1 (eg, pulmonary arterial hypertension), Group 2 (related to left heart disease), Group 4 (eg, chronic thromboembolic pulmonary hypertension), or Group 5 (eg, unclassified).
- Exacerbation of underlying lung disease requiring change in therapy or hospitalization within 28 days prior to randomization
- Receiving \>10 L/min oxygen supplementation by any mode of delivery at rest
- History of intolerance to mosliciguat, or sGC stimulators or activators.
- Initiation of pulmonary rehabilitation or ongoing acute phase of rehabilitation within 28 days prior to randomization.
- Receipt of investigational or interventional therapy within 42 days OR 5 half-lives (whichever is longer) prior to randomization.
Where
- Kissimmee, Florida
- Louisville, Kentucky
- Bend, Oregon
Related conditions & keywords
Frequently asked questions
What is a clinical trial?
A clinical trial is a research study that tests new medical treatments, drugs, devices, or procedures to determine their safety and effectiveness. Trials are carefully designed and monitored to protect participants while advancing medical knowledge.
Is it safe to participate?
Clinical trials follow strict safety guidelines and ethical standards. Trials must be reviewed and approved, and participants are closely monitored by medical professionals throughout the study. You can withdraw at any time if you choose.
Will I be compensated?
Many clinical trials offer compensation for your time, travel expenses, and inconvenience. The specific compensation varies by study and will be discussed during the screening process. All study-related medical care is typically provided at no cost to participants.
Will I receive a placebo instead of treatment?
When effective treatment exists, participants typically receive either the standard treatment plus the study intervention, or the standard treatment plus placebo. You would not be denied effective care. Placebos are primarily used when no proven treatment is available, or in addition to standard care. Your trial consent form will clearly explain what treatments you may receive.
Can I leave a trial if I change my mind?
Absolutely. Participation in clinical trials is completely voluntary. You have the right to withdraw from the study at any time, for any reason, without penalty or loss of benefits to which you are otherwise entitled.
How long does a clinical trial last?
Trial duration varies widely depending on the study design and purpose. Some trials last just a few weeks, while others may continue for months or years. The study coordinator will provide specific timeline information during your screening call.
Data: ClinicalTrials.gov · synced Sep 11, 2026 · Source of record for eligibility and locations