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Epidermolysis bullosa acquisita (EBA) is a subepidermal bullous dermatosis of autoimmune origin that was named as a result of its resemblance to hereditary forms of epidermolysis bullosa (HEB), most notably dystrophic HEB.
Features include very common findings: Abnormal hair morphology and Abnormal blistering of the skin; and common findings: Milia. 10 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Skin | 5 | Hyperpigmentation of the skin, Atypical scarring of skin, Pruritus |
Biomarker and diagnostic research for acquired epidermolysis bullosa has been reported in the published literature.
No approved treatments are currently available for acquired epidermolysis bullosa. An additional 1 compound holds orphan drug designation.
While no drugs are FDA-approved specifically for acquired epidermolysis bullosa, 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 acquired epidermolysis bullosa. Orphan designation reflects regulatory interest and does not indicate approval for treatment.
Brand Name | Generic Name | Sponsor |
|---|
Phenotype severity distribution: 2 very common features, 1 common feature.
Estimated prevalence: Unknown (Unknown prevalence).
3 clinical trials registered, 1 recruiting. Interventions under study include biologic therapy and drug therapy. Pipeline includes 1 PHASE4, 2 PHASE1. Research is primarily sponsored by academic and government institutions.
62 publications have been identified in PubMed for acquired epidermolysis bullosa. Research spans Review / Meta-Analysis (31%), Case Report / Case Series (21%), and Other (15%).
Research Type | Count | % of Total |
|---|---|---|
Research summaries | 19 |
Data assembled from 6 of 12 sources · Last updated Sep 19, 2026, 9:16 PM UTC
European rare disease database
Genetic and Rare Diseases Info Center
Common questions about acquired epidermolysis bullosa
2 |
Abdominal pain, Inflammation of the large intestine |
Hormones | 1 | Diabetes mellitus |
Designated
Exclusivity End |
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Designation Status |
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(S)-2-(1-((6-amino-5-cyanopyrimidin-4-yl)amino)ethyl)-4-oxo-3-phenyl3,4-dihydropyrrolo[2,1-f][1,2,4]triazine-5-carbonitrile | (S)-2-(1-((6-amino-5-cyanopyrimidin-4-yl)amino)ethyl)-4-oxo-3-phenyl3,4-dihydropyrrolo[2,1-f][1,2,4]triazine-5-carbonitrile | Almirall, S.A. | 2017 | — | Withdrawn |
3 trials found
Patient case studies | 13 | 21% |
Other research | 9 | 15% |
Laboratory research | 9 | 15% |
Disease patterns and progression | 8 | 13% |
Testing and diagnosis research | 3 | 5% |
Clinical study results | 1 | 2% |
Voorhees ASV (2026). [PMID: 42229811](https://pubmed.ncbi.nlm.nih.gov/42229811/). *J Am Acad Dermatol*. [Other]
Ng KL (2026). [PMID: 41846628](https://pubmed.ncbi.nlm.nih.gov/41846628/). *Cureus*. [Case Report / Case Series]
Ailawadi S (2026). [PMID: 41564030](https://pubmed.ncbi.nlm.nih.gov/41564030/). *J Clin Gastroenterol*. [Epidemiology / Natural History]
Emtenani S (2026). [PMID: 41750253](https://pubmed.ncbi.nlm.nih.gov/41750253/). *Biomolecules*. [Basic Science / Preclinical]
Kasperkiewicz M (2026). [PMID: 40853220](https://pubmed.ncbi.nlm.nih.gov/40853220/). *Br J Dermatol*. [Review / Meta-Analysis]
Olbrich H (2026). [PMID: 41549045](https://pubmed.ncbi.nlm.nih.gov/41549045/). *Br J Pharmacol*. [Basic Science / Preclinical]
Nanda A (2026). [PMID: 41678328](https://pubmed.ncbi.nlm.nih.gov/41678328/). *J Eur Acad Dermatol Venereol*. [Review / Meta-Analysis]
Ghane Y (2026). [PMID: 41396376](https://pubmed.ncbi.nlm.nih.gov/41396376/). *Inflammopharmacology*. [Review / Meta-Analysis]
Gonther S (2026). [PMID: 41676900](https://pubmed.ncbi.nlm.nih.gov/41676900/). *FASEB J*. [Basic Science / Preclinical]
Garcia-Doval I (2026). [PMID: 41167276](https://pubmed.ncbi.nlm.nih.gov/41167276/). *J Am Acad Dermatol*. [Diagnostic / Biomarker]