War Against HSWar Against HS
Clinical Trial Radar

Active HS Clinical Trials

Updated weekly. Includes recruiting and active trials with eligibility highlights. Always discuss trial participation with your physician.

DISCLAIMER: This content is for informational and educational purposes only. It is NOT medical advice. Always consult a qualified healthcare professional before making any treatment decisions. Discuss all treatments and clinical trial opportunities with your physician.

Currently Recruiting (1)

RecruitingPhase 2NCT05523362

Sonelokimab Phase 2 - MoonLake Immunotherapeutics

MoonLake Immunotherapeutics

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Endpoints
HiSCR75 at Week 16
Est. Completion
2027
Eligibility
18 to 75 years · Moderate to Severe HS
Locations
USA (CA, FL, TX), Germany, Netherlands, UK

Why it matters: Patients with moderate-to-severe HS who have not responded to TNF inhibitors or are biologic-naïve and interested in a next-generation IL-17 approach.

Active / Results Posted (4)

Active, Not RecruitingPhase 3NCT05059600

STOP-HS - Povorcitinib (Oral JAK1 Inhibitor)

Incyte Corporation

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Endpoints
HiSCR50 at Week 16; sustained response through Week 52
Est. Completion
2026
Eligibility
18 years and older · Moderate to Severe HS (Hurley Stage II or III)
Locations
USA, EU, Canada

Why it matters: Patients interested in a potential first oral pill for HS. Prior biologic use permitted in some arms. Ask your dermatologist about access through extension studies.

Active, Not RecruitingPhase 3 / LTENCT04242446

BE HEARD Long-Term Extension - Bimekizumab (IL-17A/F Inhibitor)

UCB

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Endpoints
Sustained HiSCR75 through 3 years; safety and tolerability
Est. Completion
2027
Eligibility
18 years and older · Moderate to Severe HS
Locations
USA, EU, Canada, Australia

Why it matters: Patients already treated with bimekizumab or interested in long-term durability data for this approved biologic.

Active, Not RecruitingPhase 2NCT04866330

Orismilast Phase 2 - Union Therapeutics (Oral PDE-4 Inhibitor)

Union Therapeutics

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Endpoints
HiSCR score change from baseline
Est. Completion
September 2026
Eligibility
18 years and older · Moderate to Severe HS
Locations
USA, Canada, Denmark

Why it matters: Patients interested in oral treatment options with a different mechanism than JAK inhibitors. Results expected late 2026.

Results PostedPhase 2aNCT05537896

INF904 Phase 2a - InflaRx (Oral C5aR1 Antagonist)

InflaRx

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Endpoints
Change in abscess and nodule count at Week 4
Est. Completion
2026
Eligibility
18 years and older · Moderate to Severe HS
Locations
USA, EU

Why it matters: First complement inhibitor validated in HS. Early data showed mean reduction of 8.1 abscesses and nodules by week 4 at highest dose.