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A respiratory disorder characterized by diffuse bleeding into the alveolar spaces that originate from the pulmonary microvasculature, including the alveolar capillaries, arterioles and venules. Patients present with cough, dyspnea, chest pain, fever, anemia and hemoptysis.
Biomarker and diagnostic research for diffuse alveolar hemorrhage has been reported in the published literature.
No approved treatments are currently available for diffuse alveolar hemorrhage. An additional 1 compound holds orphan drug designation.
While no drugs are FDA-approved specifically for diffuse alveolar hemorrhage, some of the following designated compounds may be used off-label in clinical practice. Treatment decisions should be made in consultation with a specialist familiar with this condition.
The following drugs have received orphan drug designation from the FDA for diffuse alveolar hemorrhage. Orphan designation reflects regulatory interest and does not indicate approval for treatment.
Brand Name | Generic Name | Sponsor |
|---|
Estimated prevalence: 1-9 in 100,000 (Uncommon).
2 clinical trials registered, 2 recruiting. Interventions under study include drug therapy and other interventions. Pipeline includes 1 PHASE1. Research is primarily sponsored by academic and government institutions.
252 publications have been identified in PubMed for diffuse alveolar hemorrhage. Kisho has analyzed 136 by research type. Research spans Case Report / Case Series (54%), Review / Meta-Analysis (18%), and Epidemiology / Natural History (11%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 73 |
Data assembled from 5 of 12 sources · Last updated Sep 20, 2026, 2:11 PM UTC
European rare disease database
Genetic and Rare Diseases Info Center
Designated
Exclusivity End |
|---|
Designation Status |
|---|
Recombinant coagulation factor VIIa | Recombinant coagulation factor VIIa | Savara Inc. | 2006 | — | Withdrawn |
Gene therapy approaches for diffuse alveolar hemorrhage have been reported in the published literature.
2 trials found
54%
Research summaries | 25 | 18% |
Disease patterns and progression | 15 | 11% |
Clinical study results | 8 | 6% |
Laboratory research | 8 | 6% |
Testing and diagnosis research | 4 | 3% |
Other research | 2 | 1% |
New treatment approaches | 1 | 1% |
de Carvalho JF (2026). [PMID: 41655516](https://pubmed.ncbi.nlm.nih.gov/41655516/). *Semin Arthritis Rheum*. [Review / Meta-Analysis]
Higashiguchi M (2026). [PMID: 40707218](https://pubmed.ncbi.nlm.nih.gov/40707218/). *Intern Med*. [Case Report / Case Series]
Gao X (2026). [PMID: 42245945](https://pubmed.ncbi.nlm.nih.gov/42245945/). *Front Med (Lausanne)*. [Epidemiology / Natural History]
Santacruz JC (2026). [PMID: 42181323](https://pubmed.ncbi.nlm.nih.gov/42181323/). *Cureus*. [Review / Meta-Analysis]
Alattas MY (2026). [PMID: 42158806](https://pubmed.ncbi.nlm.nih.gov/42158806/). *Cureus*. [Case Report / Case Series]
Dutta N (2026). [PMID: 41969820](https://pubmed.ncbi.nlm.nih.gov/41969820/). *Rheumatol Immunol Res*. [Epidemiology / Natural History]
LaFreniere K (2026). [PMID: 32644388](https://pubmed.ncbi.nlm.nih.gov/32644388/). *Unknown Journal*. [Epidemiology / Natural History]
Sanna AC (2026). [PMID: 41738152](https://pubmed.ncbi.nlm.nih.gov/41738152/). *Am J Respir Crit Care Med*. [Clinical Trial Publication]
Lim AYL (2026). [PMID: 41832756](https://pubmed.ncbi.nlm.nih.gov/41832756/). *Pediatr Pulmonol*. [Epidemiology / Natural History]
İlgün JD (2026). [PMID: 42134104](https://pubmed.ncbi.nlm.nih.gov/42134104/). *J Emerg Med*. [Case Report / Case Series]
AI-curated news mentioning diffuse alveolar hemorrhage
Updated Apr 28, 2026
A case report details two instances of diffuse alveolar hemorrhage linked to human metapneumovirus infection. This research highlights the potential severe respiratory complications associated with this viral infection.
A recent study published in PubMed examines the clinical, radiological, and laboratory features of diffuse alveolar hemorrhage, providing insights into patient outcomes. This research contributes to the understanding of this rare condition and may inform future clinical practices.
A review highlights the use of CD20 monoclonal antibody rituximab for treating diffuse alveolar hemorrhage in children. This study provides insights into the potential therapeutic applications of rituximab in this rare condition.