deltatrials
Completed PHASE2 INTERVENTIONAL 2-arm NCT02037126

Psilocybin-facilitated Treatment for Cocaine Use

Sponsor: University of Alabama at Birmingham

Conditions Cocaine-Related Disorders
Interventions Diphenhydramine Psilocybin
Updated 20 times since 2017 Last updated: Jul 29, 2025 Started: May 31, 2015 Primary completion: May 31, 2024 Completion: May 31, 2024
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 Cocaine-Related Disorders and is currently completed. University of Alabama at Birmingham leads this study, which shows 20 recorded versions since 2015 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Jan 2017 – ~Feb 2017 · 31 days · monthly snapshot~Feb 2017 – ~Jun 2018 · 16 months · monthly snapshot~Jun 2018 – ~Jul 2018 · 30 days · monthly snapshot~Jul 2018 – ~Sep 2019 · 14 months · monthly snapshot~Sep 2019 – ~Dec 2020 · 15 months · monthly snapshot~Dec 2020 – ~Jan 2021 · 31 days · monthly snapshot~Jan 2021 – ~May 2021 · 4 months · monthly snapshot~May 2021 – ~Jun 2021 · 31 days · monthly snapshot~Jun 2021 – ~Sep 2021 · 3 months · monthly snapshot~Sep 2021 – ~Jun 2022 · 9 months · monthly snapshot~Jun 2022 – ~Sep 2022 · 3 months · monthly snapshot~Sep 2022 – ~Feb 2023 · 5 months · monthly snapshot~Feb 2023 – ~Sep 2023 · 7 months · monthly snapshot~Sep 2023 – ~Nov 2023 · 2 months · monthly snapshot~Nov 2023 – ~Jan 2024 · 2 months · monthly snapshot~Jan 2024 – ~Jul 2024 · 6 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Nov 2024 · 2 months · monthly snapshot~Nov 2024 – ~Sep 2025 · 10 months · monthly snapshot~Sep 2025 – present · 9 months · monthly snapshot

Change History

20 versions recorded

  1. Sep 2025 — Present [monthly]

    Completed PHASE2

  2. Nov 2024 — Sep 2025 [monthly]

    Completed PHASE2

  3. Sep 2024 — Nov 2024 [monthly]

    Completed PHASE2

  4. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE2

    Status: Active Not Recruiting → Completed

  5. Jan 2024 — Jul 2024 [monthly]

    Active Not Recruiting PHASE2

▶ Show 15 earlier versions

  1. Nov 2023 — Jan 2024 [monthly]

    Active Not Recruiting PHASE2

    Status: Recruiting → Active Not Recruiting

  2. Sep 2023 — Nov 2023 [monthly]

    Recruiting PHASE2

  3. Feb 2023 — Sep 2023 [monthly]

    Recruiting PHASE2

  4. Sep 2022 — Feb 2023 [monthly]

    Recruiting PHASE2

  5. Jun 2022 — Sep 2022 [monthly]

    Recruiting PHASE2

  6. Sep 2021 — Jun 2022 [monthly]

    Recruiting PHASE2

  7. Jun 2021 — Sep 2021 [monthly]

    Recruiting PHASE2

  8. May 2021 — Jun 2021 [monthly]

    Recruiting PHASE2

  9. Jan 2021 — May 2021 [monthly]

    Recruiting PHASE2

  10. Dec 2020 — Jan 2021 [monthly]

    Recruiting PHASE2

  11. Sep 2019 — Dec 2020 [monthly]

    Recruiting PHASE2

  12. Jul 2018 — Sep 2019 [monthly]

    Recruiting PHASE2

  13. Jun 2018 — Jul 2018 [monthly]

    Recruiting PHASE2

  14. Feb 2017 — Jun 2018 [monthly]

    Recruiting PHASE2

  15. Jan 2017 — Feb 2017 [monthly]

    Recruiting PHASE2

    First recorded

May 2015

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • University of Alabama at Birmingham
Data source: University of Alabama at Birmingham

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

Study Locations