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A rare inflammatory multisystem disorder characterized clinically by fever of unknown origin, arthralgia or arthritis, hyperleucocytosis, and typical skin rash.
Biomarker and diagnostic research for adult-onset Still disease has been reported in the published literature.
2 FDA-approved treatments are available for adult-onset Still disease, including CANAKINUMAB (ILARIS, approved 2009) and ANAKINRA (KINERET, approved 2001). 1 additional treatment is recommended by clinical guidelines. An additional 2 compounds hold orphan drug designation.
Brand Name | Generic Name | Mechanism | Approved |
|---|
Estimated prevalence: 1-9 in 100,000 (Uncommon).
3 clinical trials registered, 2 recruiting. Interventions under study include other interventions and drug therapy. Pipeline includes 1 NA. Research is sponsored by a mix of industry and academic institutions.
137 publications have been identified in PubMed for adult-onset Still disease. Kisho has analyzed 40 by research type. Research spans Case Report / Case Series (35%), Epidemiology / Natural History (23%), and Review / Meta-Analysis (15%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 14 |
Data assembled from 5 of 12 sources · Last updated Sep 20, 2026, 5:51 AM UTC
European rare disease database
Genetic and Rare Diseases Info Center
Common questions about adult-onset Still disease
ILARIS | CANAKINUMAB | — | 2009 | Available |
KINERET | ANAKINRA | — | 2001 | Available |
The following drugs are recommended by published clinical guidelines for adult-onset Still disease, though they may not carry a specific FDA approval for this indication. Treatment decisions should be made with a specialist.
Brand Name | Generic Name | Mechanism | Market Status |
|---|---|---|---|
ACTEMRA | TOCILIZUMAB | — | Available |
The following drugs have received orphan drug designation from the FDA for adult-onset Still disease. Orphan designation reflects regulatory interest and does not indicate approval for treatment.
Brand Name | Generic Name | Sponsor | Designated | Exclusivity End | Designation Status |
|---|---|---|---|---|---|
tadekinig alfa | tadekinig alfa | AB2 Bio Ltd | 2017 | — | Designated |
Interleukin-1 Trap | Interleukin-1 Trap | Regeneron Pharmaceuticals, Inc. | 2005 | — | Designated |
3 trials found
35%
Disease patterns and progression | 9 | 23% |
Research summaries | 6 | 15% |
Testing and diagnosis research | 3 | 8% |
Clinical study results | 3 | 8% |
Laboratory research | 3 | 8% |
Other research | 2 | 5% |
Thiele K (2026). [PMID: 41412093](https://pubmed.ncbi.nlm.nih.gov/41412093/). *Semin Arthritis Rheum*. [Epidemiology / Natural History]
Mueller YM (2026). [PMID: 41728940](https://pubmed.ncbi.nlm.nih.gov/41728940/). *Arthritis & rheumatology (Hoboken, N.J.)*. [Clinical Trial Publication]
Cognacq G (2026). [PMID: 41985135](https://pubmed.ncbi.nlm.nih.gov/41985135/). *N Engl J Med*. [Case Report / Case Series]
Balay-Dustrude E (2026). [PMID: 41033820](https://pubmed.ncbi.nlm.nih.gov/41033820/). *J Rheumatol*. [Review / Meta-Analysis]
Lakhani HA (2026). [PMID: 41658735](https://pubmed.ncbi.nlm.nih.gov/41658735/). *Cureus*. [Review / Meta-Analysis]
Kobrin DM (2026). [PMID: 41397865](https://pubmed.ncbi.nlm.nih.gov/41397865/). *J Rheumatol*. [Basic Science / Preclinical]
Li J (2026). [PMID: 41692495](https://pubmed.ncbi.nlm.nih.gov/41692495/). *J Rheumatol*. [Other]
Gomes C (2026). [PMID: 41853279](https://pubmed.ncbi.nlm.nih.gov/41853279/). *Front Immunol*. [Case Report / Case Series]
Najeeb A (2026). [PMID: 41737969](https://pubmed.ncbi.nlm.nih.gov/41737969/). *Clin Case Rep*. [Case Report / Case Series]
Lim DZJ (2025). [PMID: 41035843](https://pubmed.ncbi.nlm.nih.gov/41035843/). *Skin Health Dis*. [Case Report / Case Series]
AI-curated news mentioning adult-onset Still disease
Updated Sep 18, 2026
A recent study highlights the effectiveness of skin biopsy as a rapid and specific diagnostic test for adult-onset Still's disease. This method offers a widely available option for clinicians to improve diagnosis in patients presenting with this rare condition.
A multicentre, retrospective cohort study evaluates disease activity measures for adult-onset Still's disease, providing insights into the effectiveness of various assessment tools. This research contributes to the understanding of disease management in this rare condition.
A case report highlights adult-onset Still's disease in a young Ethiopian woman, characterized by a persistent hyperpigmented scaling rash. This study sheds light on the disease's presentation in resource-limited settings.