deltatrials
Completed PHASE2 INTERVENTIONAL 5-arm NCT05355805

Hidradenitis Suppurativa Phase 2b Study of Izokibep

A Phase 2b Study to Evaluate the Efficacy and Safety of Izokibep in Subjects With Moderate to Severe Hidradenitis Suppurativa

Sponsor: ACELYRIN Inc.

Updated 21 times since 2022 Last updated: May 16, 2025 Started: May 5, 2022 Primary completion: Aug 2, 2023 Completion: Feb 21, 2024
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE2 clinical study on Hidradenitis Suppurativa, this trial is completed. The trial is conducted by ACELYRIN Inc. and has accumulated 21 data snapshots since 2022. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Jun 2022 – ~Jul 2022 · 30 days · monthly snapshot~Jul 2022 – ~Sep 2022 · 2 months · monthly snapshot~Sep 2022 – ~Nov 2022 · 2 months · monthly snapshot~Nov 2022 – ~Dec 2022 · 30 days · monthly snapshot~Dec 2022 – ~Jan 2023 · 31 days · monthly snapshot~Jan 2023 – ~Feb 2023 · 31 days · monthly snapshot~Feb 2023 – ~Mar 2023 · 28 days · monthly snapshot~Mar 2023 – ~Apr 2023 · 31 days · monthly snapshot~Apr 2023 – ~Jun 2023 · 2 months · monthly snapshot~Jun 2023 – ~Jul 2023 · 30 days · monthly snapshot~Jul 2023 – ~Aug 2023 · 31 days · monthly snapshot~Aug 2023 – ~Dec 2023 · 4 months · monthly snapshot~Dec 2023 – ~Mar 2024 · 3 months · monthly snapshot~Mar 2024 – ~Apr 2024 · 31 days · monthly snapshot~Apr 2024 – ~Jul 2024 · 3 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Oct 2024 · 30 days · monthly snapshot~Oct 2024 – ~Apr 2025 · 6 months · monthly snapshot~Apr 2025 – ~Jun 2025 · 2 months · monthly snapshot~Jun 2025 – ~Sep 2025 · 3 months · monthly snapshot~Sep 2025 – present · 12 months · monthly snapshot

Change History

21 versions recorded
  1. Sep 2025 — Present [monthly]

    Completed PHASE2

  2. Jun 2025 — Sep 2025 [monthly]

    Completed PHASE2

  3. Apr 2025 — Jun 2025 [monthly]

    Completed PHASE2

  4. Oct 2024 — Apr 2025 [monthly]

    Completed PHASE2

  5. Sep 2024 — Oct 2024 [monthly]

    Completed PHASE2

Show 16 earlier versions
  1. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE2

  2. Apr 2024 — Jul 2024 [monthly]

    Completed PHASE2

    Status: Active Not RecruitingCompleted

  3. Mar 2024 — Apr 2024 [monthly]

    Active Not Recruiting PHASE2

  4. Dec 2023 — Mar 2024 [monthly]

    Active Not Recruiting PHASE2

  5. Aug 2023 — Dec 2023 [monthly]

    Active Not Recruiting PHASE2

  6. Jul 2023 — Aug 2023 [monthly]

    Active Not Recruiting PHASE2

  7. Jun 2023 — Jul 2023 [monthly]

    Active Not Recruiting PHASE2

    Status: RecruitingActive Not Recruiting

  8. Apr 2023 — Jun 2023 [monthly]

    Recruiting PHASE2

  9. Mar 2023 — Apr 2023 [monthly]

    Recruiting PHASE2

  10. Feb 2023 — Mar 2023 [monthly]

    Recruiting PHASE2

  11. Jan 2023 — Feb 2023 [monthly]

    Recruiting PHASE2

  12. Dec 2022 — Jan 2023 [monthly]

    Recruiting PHASE2

  13. Nov 2022 — Dec 2022 [monthly]

    Recruiting PHASE2

  14. Sep 2022 — Nov 2022 [monthly]

    Recruiting PHASE2

  15. Jul 2022 — Sep 2022 [monthly]

    Recruiting PHASE2

  16. Jun 2022 — Jul 2022 [monthly]

    Recruiting PHASE2

    First recorded

May 2022

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • ACELYRIN Inc.
Data source: ACELYRIN Inc.

For direct contact, visit the study record on ClinicalTrials.gov .