Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Pulmonary Arterial Hypertension PAH: early-phase trial registry
5 of 6 indexed Pulmonary Arterial Hypertension PAH trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #2,866 of 28,707 conditions by registered trial count.
6 US clinical trials · 5 currently recruiting · #2,866 of 28,707 conditions by registered trial count
Pulmonary Arterial Hypertension PAH: 6 US clinical trials tracked, 5 recruiting.
Pulmonary Arterial Hypertension PAH is the subject of 6 registered US clinical trials on ClinicalTrials.gov, 5 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 4 in Phase 1-2 (earlier-stage). The most active sponsor is AllRock Bio, running 1 of these trials.
Enrollment posture brief
Registry condition pulmonary-arterial-hypertension-pah
OPEN 5 | RECR 83% | LATE 1 | EARLY 4 | RANK #2866 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Alcoholic Hepatitis (83% recruiting · 6 trials)
Pulmonary Arterial Hypertension PAH lists 5 open slots (83% of 6 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Pulmonary Arterial Hypertension PAH on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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Pulmonary Arterial Hypertension PAH is recruiting above its size-band peers.
5 of 6 indexed trials (83.3%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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One sponsor concentrates Pulmonary Arterial Hypertension PAH research.
AllRock Bio accounts for 1 of 6 trials (16.7%). 6 distinct sponsors appear on at least one study for this condition label.
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Most Pulmonary Arterial Hypertension PAH trials plan to enrol fewer than 100 people.
Median target enrolment is 40 among the 6 trials that report a genuine target (sentinel values excluded). 6 of those (100%) plan for fewer than 100 participants.
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Pulmonary Arterial Hypertension PAH research is mostly interventional.
6 interventional and 0 observational studies make up this index (100% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
6 total, page 1 of 1
Study of Intravenous ZMA001 in Healthy Subjects
National Heart, Lung, and Blood Institute (NHLBI)
NCT05967299
Home Rehabilitation Improves Cardiac Effort in Pulmonary Arterial Hypertension
University of Rochester
NCT06477640
A Study of ROC-101 in Patients With Pulmonary Arterial Hypertension (PAH) and Pulmonary Hypertension Associated With Interstitial Lung Disease (ILD-PH) (ROCSTAR STUDY)
AllRock Bio
NCT07175038
A Study Evaluating the Safety and Tolerability of Artesunate in Patients With Pulmonary Arterial Hypertension
Joseph C. Wu
NCT06872112
PAH Exercise Study
University of Washington
NCT06941441
ALlogeneic Cardiosphere-derived Stem Cells (CDCs) for Pulmonary Hypertension therApy
Cedars-Sinai Medical Center
NCT03145298
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 3 |
| Phase 2 | 1 |
| Phase 3 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Pulmonary Arterial Hypertension PAH records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Pulmonary Arterial Hypertension PAH trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Pulmonary Arterial Hypertension PAH page
6 registered trials, 5 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 5 Pulmonary Arterial Hypertension PAH trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- AllRock Bio sponsors the most Pulmonary Arterial Hypertension PAH trials on record, review their full trial history before evaluating a specific study. See AllRock Bio's trials
- Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide
Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Pulmonary Arterial Hypertension PAH condition card totals 6 registered trials; most-linked intervention Allogeneic Human Cardiosphere-Derived Stem Cells; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.