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:
- Adults aged 18 years or older
- People who have been diagnosed with pulmonary arterial hypertension (a type of high blood pressure affecting the lungs) confirmed by a specific heart test called a right heart catheterization
- People (in the "switch group") whose doctors changed their medication from ambrisentan (10 mg once a day) to bosentan (125 mg twice a day) within the past 6 months
- People (in the "maintenance group") who have been taking ambrisentan for at least 6 months without switching to bosentan
Who may not be able to join:
- People who have a history of severe liver problems
- People whose medical or laboratory records are incomplete in a way that prevents the trial team from calculating a required health score
- People who are unable to attend follow-up appointments between 3 and 6 months after their medication was switched
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: PhD
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 risk category according to used scores
Can't join this trial?
Data last synced from ClinicalTrials.gov: 28 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.