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Clinical trials and research at AOP Orphan Pharmaceuticals AG

• 2Clinical trials
• 13Countries

All recruiting trials (2)

• Evaluating safety of preservative-free treprostinil in children with pulmonary arterial hypertension

  This study is testing whether a new preservative-free version of treprostinil is safe for children with pulmonary arterial hypertension.

  Recruiting at 5 sites Phase 3 AOP Orphan Pharmaceuticals AG · Vienna, State of Vienna and 4 other locations · NCT06350032

• Comparing triple therapy to double therapy for pulmonary arterial hypertension

  This study is testing if a new combination of three medications can help adults with severe pulmonary arterial hypertension feel better compared to the usual two-medication treatment.

  Recruiting at 3 sites Phase 4 AOP Orphan Pharmaceuticals AG · Bahía Blanca and 27 other locations · NCT06317805

Quick answers

How many clinical trials run by AOP Orphan Pharmaceuticals AG are recruiting right now?

2, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.

Where are these trials running?

In 13 countries. The most sites are in Austria (2 trials), France (2 trials), Hungary (2 trials), Spain (2 trials), Slovakia (1 trial). Each study page lists its sites and which ones are recruiting.

What phases are they in?

Phase 3: 1, Phase 4: 1. Trials with no phase listed are usually device, behavioural or observational studies.

How do I join one?

Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.

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