deltatrials
Active Not Recruiting PHASE4 INTERVENTIONAL 3-arm NCT04929210

A Study of Guselkumab Administered Subcutaneously in Bio-naive Participants With Active Psoriatic Arthritis Axial Disease (STAR)

A Phase 4, Multicenter, Randomized, Double-blind, Placebo-controlled Study Evaluating the Efficacy and Safety of Guselkumab Administered Subcutaneously in Bio-naive Participants With Active Psoriatic Arthritis Axial Disease

Sponsor: Janssen Research & Development, LLC

Conditions Arthritis, Psoriatic
Interventions Guselkumab Placebo
Updated 47 times since 2021 Last updated: Mar 12, 2026 Started: Aug 30, 2021 Primary completion: Aug 4, 2026 Completion: Apr 13, 2027
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE4 trial investigates Arthritis, Psoriatic and is currently ongoing. Janssen Research & Development, LLC leads this study, which shows 47 recorded versions since 2021 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Sep 2021 – ~Oct 2021 · 30 days · monthly snapshot~Oct 2021 – ~Dec 2021 · 2 months · monthly snapshot~Dec 2021 – ~Jan 2022 · 31 days · monthly snapshot~Jan 2022 – ~Apr 2022 · 3 months · monthly snapshot~Apr 2022 – ~May 2022 · 30 days · monthly snapshot~May 2022 – ~Jun 2022 · 31 days · monthly snapshot~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 – ~Jan 2023 · 2 months · 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 – ~May 2023 · 30 days · monthly snapshot~May 2023 – ~Jun 2023 · 31 days · monthly snapshot~Jun 2023 – ~Jul 2023 · 30 days · monthly snapshot~Jul 2023 – ~Aug 2023 · 31 days · monthly snapshot~Aug 2023 – ~Sep 2023 · 31 days · monthly snapshot~Sep 2023 – ~Oct 2023 · 30 days · monthly snapshot~Oct 2023 – ~Nov 2023 · 31 days · monthly snapshot~Nov 2023 – ~Dec 2023 · 30 days · monthly snapshot~Dec 2023 – ~Jan 2024 · 31 days · monthly snapshot~Jan 2024 – ~Feb 2024 · 31 days · monthly snapshot~Feb 2024 – ~Mar 2024 · 29 days · monthly snapshot~Mar 2024 – ~Apr 2024 · 31 days · monthly snapshot~Apr 2024 – ~May 2024 · 30 days · monthly snapshot~May 2024 – ~Jun 2024 · 31 days · monthly snapshot~Jun 2024 – ~Jul 2024 · 30 days · monthly snapshot~Jul 2024 – ~Aug 2024 · 31 days · monthly snapshot~Aug 2024 – ~Sep 2024 · 31 days · monthly snapshot~Sep 2024 – ~Oct 2024 · 30 days · monthly snapshot~Oct 2024 – ~Nov 2024 · 31 days · monthly snapshot~Nov 2024 – ~Jan 2025 · 2 months · monthly snapshot~Jan 2025 – ~Feb 2025 · 31 days · monthly snapshot~Feb 2025 – ~Mar 2025 · 28 days · monthly snapshot~Mar 2025 – ~Apr 2025 · 31 days · monthly snapshot~Apr 2025 – ~May 2025 · 30 days · monthly snapshot~May 2025 – ~Jun 2025 · 31 days · monthly snapshot~Jun 2025 – ~Aug 2025 · 2 months · monthly snapshot~Aug 2025 – ~Sep 2025 · 31 days · monthly snapshot~Sep 2025 – ~Oct 2025 · 30 days · monthly snapshot~Oct 2025 – ~Nov 2025 · 31 days · monthly snapshot~Nov 2025 – ~Dec 2025 · 30 days · monthly snapshot~Dec 2025 – ~Jan 2026 · 31 days · monthly snapshot~Jan 2026 – ~Feb 2026 · 31 days · monthly snapshot~Feb 2026 – ~Mar 2026 · 28 days · monthly snapshot~Mar 2026 – present · 6 months · monthly snapshot

Change History

47 versions recorded

  1. Mar 2026 — Present [monthly]

    Active Not Recruiting PHASE4

    Status: Recruiting → Active Not Recruiting

  2. Feb 2026 — Mar 2026 [monthly]

    Recruiting PHASE4

  3. Jan 2026 — Feb 2026 [monthly]

    Recruiting PHASE4

  4. Dec 2025 — Jan 2026 [monthly]

    Recruiting PHASE4

  5. Nov 2025 — Dec 2025 [monthly]

    Recruiting PHASE4

▶ Show 42 earlier versions

  1. Oct 2025 — Nov 2025 [monthly]

    Recruiting PHASE4

  2. Sep 2025 — Oct 2025 [monthly]

    Recruiting PHASE4

  3. Aug 2025 — Sep 2025 [monthly]

    Recruiting PHASE4

  4. Jun 2025 — Aug 2025 [monthly]

    Recruiting PHASE4

  5. May 2025 — Jun 2025 [monthly]

    Recruiting PHASE4

  6. Apr 2025 — May 2025 [monthly]

    Recruiting PHASE4

  7. Mar 2025 — Apr 2025 [monthly]

    Recruiting PHASE4

  8. Feb 2025 — Mar 2025 [monthly]

    Recruiting PHASE4

  9. Jan 2025 — Feb 2025 [monthly]

    Recruiting PHASE4

  10. Nov 2024 — Jan 2025 [monthly]

    Recruiting PHASE4

  11. Oct 2024 — Nov 2024 [monthly]

    Recruiting PHASE4

  12. Sep 2024 — Oct 2024 [monthly]

    Recruiting PHASE4

  13. Aug 2024 — Sep 2024 [monthly]

    Recruiting PHASE4

  14. Jul 2024 — Aug 2024 [monthly]

    Recruiting PHASE4

  15. Jun 2024 — Jul 2024 [monthly]

    Recruiting PHASE4

  16. May 2024 — Jun 2024 [monthly]

    Recruiting PHASE4

  17. Apr 2024 — May 2024 [monthly]

    Recruiting PHASE4

  18. Mar 2024 — Apr 2024 [monthly]

    Recruiting PHASE4

  19. Feb 2024 — Mar 2024 [monthly]

    Recruiting PHASE4

  20. Jan 2024 — Feb 2024 [monthly]

    Recruiting PHASE4

  21. Dec 2023 — Jan 2024 [monthly]

    Recruiting PHASE4

  22. Nov 2023 — Dec 2023 [monthly]

    Recruiting PHASE4

  23. Oct 2023 — Nov 2023 [monthly]

    Recruiting PHASE4

  24. Sep 2023 — Oct 2023 [monthly]

    Recruiting PHASE4

  25. Aug 2023 — Sep 2023 [monthly]

    Recruiting PHASE4

  26. Jul 2023 — Aug 2023 [monthly]

    Recruiting PHASE4

  27. Jun 2023 — Jul 2023 [monthly]

    Recruiting PHASE4

  28. May 2023 — Jun 2023 [monthly]

    Recruiting PHASE4

  29. Apr 2023 — May 2023 [monthly]

    Recruiting PHASE4

  30. Mar 2023 — Apr 2023 [monthly]

    Recruiting PHASE4

  31. Feb 2023 — Mar 2023 [monthly]

    Recruiting PHASE4

  32. Jan 2023 — Feb 2023 [monthly]

    Recruiting PHASE4

  33. Nov 2022 — Jan 2023 [monthly]

    Recruiting PHASE4

  34. Sep 2022 — Nov 2022 [monthly]

    Recruiting PHASE4

  35. Jul 2022 — Sep 2022 [monthly]

    Recruiting PHASE4

  36. Jun 2022 — Jul 2022 [monthly]

    Recruiting PHASE4

  37. May 2022 — Jun 2022 [monthly]

    Recruiting PHASE4

  38. Apr 2022 — May 2022 [monthly]

    Recruiting PHASE4

  39. Jan 2022 — Apr 2022 [monthly]

    Recruiting PHASE4

  40. Dec 2021 — Jan 2022 [monthly]

    Recruiting PHASE4

  41. Oct 2021 — Dec 2021 [monthly]

    Recruiting PHASE4

  42. Sep 2021 — Oct 2021 [monthly]

    Recruiting PHASE4

    First recorded

Aug 2021

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Janssen Research & Development, LLC
Data source: Janssen Research & Development, LLC

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

Study Locations

A Coruña, Spain , Adana, Turkey (Türkiye) , Amarillo, United States , Ancona, Italy , Ankara, Turkey (Türkiye) , Antalya, Turkey (Türkiye) , Austin, United States , Avondale, United States , Baltimore, United States , Bangkok, Thailand and 175 more locations