Phase 3 Pulmonary Hypertension Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- You have been diagnosed with a specific type of pulmonary arterial hypertension (PAH) — a condition causing high blood pressure in the lungs — classified as idiopathic, heritable, caused by a drug or toxin, related to a connective tissue disease, or related to a congenital heart defect that was repaired at least 1 year ago.
- You have had your PAH diagnosis for at least 3 months before the screening visit.
- Your PAH symptoms fall within a moderate-to-severe range based on a standard breathing and activity scale (functional class II, III, or IV).
- You are already taking 1 to 3 approved PAH medications (from specific drug classes) at a stable dose — most for at least 3 months, or at least 6 months if one of them is sotatercept (confirm with trial site for exact medication requirements).
- If you are taking sotatercept, you must have had no significant bleeding episodes in the past 3–6 months and have a healthy platelet count (confirm with trial site).
- On two walking tests, you are able to walk between 150 and 450 metres in 6 minutes.
- You have had a specific heart procedure called a right heart catheterization (a test measuring blood pressure inside the lungs) — either at screening or within the 6 months before — showing results that meet specific pressure measurements (confirm with trial site).
Who may not be able to join:
- You have a different type of pulmonary hypertension (not WHO Group 1 PAH), or your PAH is linked to HIV, complex congenital heart disease, liver-related high blood pressure, or certain other specific causes.
- You have significant heart problems on the left side of your heart, such as valve disease, poor heart pumping, unstable chest pain, or irregular heartbeat.
- You have evidence of significant airflow blockage in your lungs, as shown by breathing tests.
- You have a significantly reduced lung capacity, as shown by breathing tests.
- You have a history of chronic blood clots in the lungs, or had an acute blood clot in the lungs within the past 6 months.
- You have a known allergy or medical reason to avoid the study drug (treprostinil or TPIP) or any of its ingredients (such as mannitol or leucine).
- You have any other medical or mental health condition that, in the doctor's opinion, could put you at unreasonable risk, affect your ability to complete the trial, or make the results harder to interpret (confirm with trial site).
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Phone: 18444467633
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Change in 6-Minute Walk Distance (6MWD) Measured at 1 to 3 Hours Post-Dose From Baseline at Week 24
Can't join this trial?
Data last synced from ClinicalTrials.gov: 26 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.