Hidradenitis Suppurativa Phase 2b Study of Izokibep
Public ClinicalTrials.gov record NCT05355805. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase 2b Study to Evaluate the Efficacy and Safety of Izokibep in Subjects With Moderate to Severe Hidradenitis Suppurativa
Study identification
- NCT ID
- NCT05355805
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- ACELYRIN Inc.
- Industry
- Enrollment
- 205 participants
Conditions and interventions
Conditions
Interventions
- Izokibep Drug
- Placebo to izokibep Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 75 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- May 4, 2022
- Primary completion
- Aug 1, 2023
- Completion
- Feb 20, 2024
- Last update posted
- Jun 2, 2025
2022 – 2024
United States locations
- U.S. sites
- 20
- U.S. states
- 13
- U.S. cities
- 19
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Clinical Research Site | Birmingham | Alabama | 35233-3110 | — |
| Clinical Research Site | Encino | California | 91436-2428 | — |
| Clinical Research Site | Fountain Valley | California | 92708-3701 | — |
| Clinical Research Site | Los Angeles | California | 90033 | — |
| Clinical Research Site | Los Angeles | California | 90045-3606 | — |
| Clinical Research Site | Ocala | Florida | 34470 | — |
| Clinical Research Site | Tampa | Florida | 33624-2038 | — |
| Clinical Research Site | Sandy Springs | Georgia | 30328 | — |
| Clinical Research Site | Savannah | Georgia | 31406 | — |
| Clinical Research Site | Rolling Meadows | Illinois | 60008-3811 | — |
| Clinical Research Site | Indianapolis | Indiana | 46250 | — |
| Clinical Research Site | Plainfield | Indiana | 46168 | — |
| Clinical Research Site | Murray | Kentucky | 42071-2515 | — |
| Clinical Research Site | Baton Rouge | Louisiana | 70808 | — |
| Clinical Research Site | New York | New York | 10028-3001 | — |
| Clinical Research Site | Mason | Ohio | 45040-4520 | — |
| Clinical Research Site | Portland | Oregon | 97223 | — |
| Clinical Research Site | Philadelphia | Pennsylvania | 19103-4708 | — |
| Clinical Research Site | Pittsburgh | Pennsylvania | 15213-3403 | — |
| Clinical Research Site | Webster | Texas | 77598 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 24 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05355805, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jun 2, 2025 · Synced Jul 22, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05355805 live on ClinicalTrials.gov.