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Heritable pulmonary arterial hypertension (HPAH) is a form of pulmonary arterial hypertension (PAH), occurring due to mutations in PAH predisposing genes or in a familial context. HPAH is characterized by elevated pulmonary arterial resistance leading to right heart failure. HPAH is progressive and potentially fatal.
Biomarker and diagnostic research for heritable pulmonary arterial hypertension has been reported in the published literature.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
99 clinical trials registered, 13 recruiting. Interventions under study include drug therapy, other interventions, medical devices, and biologic therapy. Pipeline includes 8 PHASE4, 11 PHASE3, 17 PHASE2. Research is sponsored by a mix of industry and academic institutions.
NCT ID | Title | Phase | Sponsor | Status |
|---|---|---|---|---|
[NCT04778046](https://clinicaltrials.gov/study/NCT04778046) |
Data assembled from 4 of 12 sources · Last updated Sep 18, 2026, 3:00 PM UTC
Program availability and eligibility requirements are set by each foundation. Contact them directly to learn more about your options.
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European rare disease database
Genetic and Rare Diseases Info Center
Pulmonary Hypertension SOLAR |
PHASE2 |
Bastiaan Driehuys |
RECRUITING |
[NCT06528418](https://clinicaltrials.gov/study/NCT06528418) | Identification of Multiple Pulmonary Diseases Using Volatile Organic Compounds Biomarkers in Human Exhaled Breath | — | ChromX Health | RECRUITING |
[NCT04062565](https://clinicaltrials.gov/study/NCT04062565) | Trial to Evaluate Parenteral Treprostinil and Riociguat on Right Ventriculo-vascular Coupling and Morphology in Those With Advanced PAH | PHASE3 | University of Arizona | RECRUITING |
[NCT06846554](https://clinicaltrials.gov/study/NCT06846554) | A Trial of "APL-9796'' in Adults With Pulmonary Hypertension | PHASE2 | Apollo Therapeutics Ltd | RECRUITING |
[NCT04991454](https://clinicaltrials.gov/study/NCT04991454) | Xenon MRI Pulm Hypertension | PHASE2 | Bastiaan Driehuys | RECRUITING |
39 publications have been identified in PubMed for heritable pulmonary arterial hypertension. Research spans Case Report / Case Series (33%), Epidemiology / Natural History (21%), and Review / Meta-Analysis (13%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 13 | 33% |
Disease patterns and progression | 8 | 21% |
Research summaries | 5 | 13% |
Laboratory research | 5 | 13% |
Testing and diagnosis research | 3 | 8% |
Clinical study results | 3 | 8% |
Other research | 1 | 3% |
New treatment approaches | 1 | 3% |
Fernandez Vallone V (2026). [PMID: 41406515](https://pubmed.ncbi.nlm.nih.gov/41406515/). *Stem Cell Res*. [Basic Science / Preclinical]
Shaukat M (2026). [PMID: 41611798](https://pubmed.ncbi.nlm.nih.gov/41611798/). *Sci Rep*. [Review / Meta-Analysis]
Datar SA (2026). [PMID: 41676498](https://pubmed.ncbi.nlm.nih.gov/41676498/). *bioRxiv*. [Gene Therapy / Novel Therapeutics]
Okot M (2026). [PMID: 42353577](https://pubmed.ncbi.nlm.nih.gov/42353577/). *Curr Issues Mol Biol*. [Review / Meta-Analysis]
Cagatay NS (2026). [PMID: 42311580](https://pubmed.ncbi.nlm.nih.gov/42311580/). *Ochsner J*. [Case Report / Case Series]
Schneijdenberg JW (2026). [PMID: 42146787](https://pubmed.ncbi.nlm.nih.gov/42146787/). *Pulm Circ*. [Case Report / Case Series]
Wu H (2026). [PMID: 42460063](https://pubmed.ncbi.nlm.nih.gov/42460063/). *Front Med (Lausanne)*. [Case Report / Case Series]
Berkane AW (2026). [PMID: 42001268](https://pubmed.ncbi.nlm.nih.gov/42001268/). *Ann Saudi Med*. [Epidemiology / Natural History]
Laconi A (2026). [PMID: 41669318](https://pubmed.ncbi.nlm.nih.gov/41669318/). *Eur Heart J Case Rep*. [Case Report / Case Series]
Grynblat J (2026). [PMID: 42114419](https://pubmed.ncbi.nlm.nih.gov/42114419/). *Respir Med Res*. [Epidemiology / Natural History]
AI-curated news mentioning heritable pulmonary arterial hypertension
Updated Sep 18, 2026
A recent study explores catestatin and thrombospondin-1 as potential biomarkers for assessing disease severity and treatment response in pulmonary arterial hypertension. This research could pave the way for improved patient monitoring and therapeutic strategies.
A recent study highlights significant global disparities in access to randomized controlled trials for pulmonary arterial hypertension. This research underscores the need for improved access to clinical trials for patients suffering from this rare disease.
A systematic literature review highlights the importance of early detection and treatment initiation in improving long-term health outcomes for patients with connective tissue disease-associated pulmonary arterial hypertension. Expert consensus emphasizes the need for enhanced screening protocols.
A recent Lancet study shows that ralinepag reduced clinical worsening in pulmonary arterial hypertension (PAH) by 55%. Funded by United Therapeutics, the trial highlighted a higher rate of treatment discontinuations due to adverse events compared to placebo.
Insmed's inhalable drug for pulmonary arterial hypertension demonstrates impressive long-term efficacy, with functional and biomarker improvements sustained over one year. Analysts estimate this could represent a $6 billion market opportunity.