deltatrials
Completed PHASE2 INTERVENTIONAL 2-arm NCT04535544

A Study of JNJ-73763989 + Nucleos(t)Ide Analog in Participants Co-Infected With Hepatitis B and Hepatitis D Virus (REEF-D)

A Phase 2, Multicenter, Randomized, Double-blind, Placebo-Controlled Study With Deferred Active Treatment to Investigate the Efficacy, Safety, and Pharmacokinetics of JNJ-73763989 + Nucleos(t)Ide Analog in Participants Co-Infected With Hepatitis B and Hepatitis D Virus

Sponsor: Janssen Research & Development, LLC

Updated 48 times since 2020 Last updated: Apr 24, 2025 Started: Sep 17, 2020 Primary completion: Oct 19, 2023 Completion: Mar 5, 2025
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE2 trial investigates Hepatitis D, Chronic and is currently completed. Janssen Research & Development, LLC leads this study, which shows 48 recorded versions since 2020 — indicating substantial longitudinal coverage. Longitudinal tracking of infectious disease trials helps identify durability of treatment effects.

Status Flow

~Oct 2020 – ~Dec 2020 · 2 months · monthly snapshot~Dec 2020 – ~Jan 2021 · 31 days · monthly snapshot~Jan 2021 – ~Feb 2021 · 31 days · monthly snapshot~Feb 2021 – ~Mar 2021 · 28 days · monthly snapshot~Mar 2021 – ~Apr 2021 · 31 days · monthly snapshot~Apr 2021 – ~May 2021 · 30 days · monthly snapshot~May 2021 – ~Jun 2021 · 31 days · monthly snapshot~Jun 2021 – ~Sep 2021 · 3 months · monthly snapshot~Sep 2021 – ~Oct 2021 · 30 days · monthly snapshot~Oct 2021 – ~Nov 2021 · 31 days · monthly snapshot~Nov 2021 – ~Dec 2021 · 30 days · monthly snapshot~Dec 2021 – ~Feb 2022 · 2 months · monthly snapshot~Feb 2022 – ~Mar 2022 · 28 days · monthly snapshot~Mar 2022 – ~Apr 2022 · 31 days · 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 – ~Dec 2022 · 30 days · monthly snapshot~Dec 2022 – ~Feb 2023 · 2 months · 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 – ~Jan 2024 · 2 months · 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 – ~Nov 2024 · 2 months · monthly snapshot~Nov 2024 – ~Dec 2024 · 30 days · monthly snapshot~Dec 2024 – ~Jan 2025 · 31 days · 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 – ~Sep 2025 · 4 months · monthly snapshot~Sep 2025 – present · 12 months · monthly snapshot

Change History

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

    Completed PHASE2

  2. May 2025 — Sep 2025 [monthly]

    Completed PHASE2

    Status: Active Not RecruitingCompleted

  3. Apr 2025 — May 2025 [monthly]

    Active Not Recruiting PHASE2

  4. Mar 2025 — Apr 2025 [monthly]

    Active Not Recruiting PHASE2

  5. Feb 2025 — Mar 2025 [monthly]

    Active Not Recruiting PHASE2

Show 43 earlier versions
  1. Jan 2025 — Feb 2025 [monthly]

    Active Not Recruiting PHASE2

  2. Dec 2024 — Jan 2025 [monthly]

    Active Not Recruiting PHASE2

  3. Nov 2024 — Dec 2024 [monthly]

    Active Not Recruiting PHASE2

  4. Sep 2024 — Nov 2024 [monthly]

    Active Not Recruiting PHASE2

  5. Aug 2024 — Sep 2024 [monthly]

    Active Not Recruiting PHASE2

  6. Jul 2024 — Aug 2024 [monthly]

    Active Not Recruiting PHASE2

  7. Jun 2024 — Jul 2024 [monthly]

    Active Not Recruiting PHASE2

  8. May 2024 — Jun 2024 [monthly]

    Active Not Recruiting PHASE2

  9. Apr 2024 — May 2024 [monthly]

    Active Not Recruiting PHASE2

  10. Mar 2024 — Apr 2024 [monthly]

    Active Not Recruiting PHASE2

  11. Feb 2024 — Mar 2024 [monthly]

    Active Not Recruiting PHASE2

  12. Jan 2024 — Feb 2024 [monthly]

    Active Not Recruiting PHASE2

  13. Nov 2023 — Jan 2024 [monthly]

    Active Not Recruiting PHASE2

  14. Oct 2023 — Nov 2023 [monthly]

    Active Not Recruiting PHASE2

  15. Sep 2023 — Oct 2023 [monthly]

    Active Not Recruiting PHASE2

  16. Aug 2023 — Sep 2023 [monthly]

    Active Not Recruiting PHASE2

  17. Jul 2023 — Aug 2023 [monthly]

    Active Not Recruiting PHASE2

  18. Jun 2023 — Jul 2023 [monthly]

    Active Not Recruiting PHASE2

  19. May 2023 — Jun 2023 [monthly]

    Active Not Recruiting PHASE2

  20. Apr 2023 — May 2023 [monthly]

    Active Not Recruiting PHASE2

  21. Mar 2023 — Apr 2023 [monthly]

    Active Not Recruiting PHASE2

  22. Feb 2023 — Mar 2023 [monthly]

    Active Not Recruiting PHASE2

    Status: RecruitingActive Not Recruiting

  23. Dec 2022 — Feb 2023 [monthly]

    Recruiting PHASE2

  24. Nov 2022 — Dec 2022 [monthly]

    Recruiting PHASE2

  25. Sep 2022 — Nov 2022 [monthly]

    Recruiting PHASE2

  26. Jul 2022 — Sep 2022 [monthly]

    Recruiting PHASE2

  27. Jun 2022 — Jul 2022 [monthly]

    Recruiting PHASE2

  28. May 2022 — Jun 2022 [monthly]

    Recruiting PHASE2

  29. Apr 2022 — May 2022 [monthly]

    Recruiting PHASE2

  30. Mar 2022 — Apr 2022 [monthly]

    Recruiting PHASE2

  31. Feb 2022 — Mar 2022 [monthly]

    Recruiting PHASE2

  32. Dec 2021 — Feb 2022 [monthly]

    Recruiting PHASE2

  33. Nov 2021 — Dec 2021 [monthly]

    Recruiting PHASE2

  34. Oct 2021 — Nov 2021 [monthly]

    Recruiting PHASE2

  35. Sep 2021 — Oct 2021 [monthly]

    Recruiting PHASE2

  36. Jun 2021 — Sep 2021 [monthly]

    Recruiting PHASE2

  37. May 2021 — Jun 2021 [monthly]

    Recruiting PHASE2

  38. Apr 2021 — May 2021 [monthly]

    Recruiting PHASE2

  39. Mar 2021 — Apr 2021 [monthly]

    Recruiting PHASE2

  40. Feb 2021 — Mar 2021 [monthly]

    Recruiting PHASE2

  41. Jan 2021 — Feb 2021 [monthly]

    Recruiting PHASE2

  42. Dec 2020 — Jan 2021 [monthly]

    Recruiting PHASE2

  43. Oct 2020 — Dec 2020 [monthly]

    Recruiting PHASE2

    First recorded

Sep 2020

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 .