deltatrials
Completed EARLY_PHASE1 INTERVENTIONAL 2-arm NCT03705819

Exploratory Evaluation of [11C]-NOP46

Exploratory Evaluation of [11C]-NOP46 Pharmacokinetics With Positron Emission Tomography (PET)

Sponsor: Columbia University

Conditions Chronic Pain
Updated 13 times since 2018 Last updated: Apr 9, 2025 Started: Mar 25, 2019 Primary completion: Oct 30, 2023 Completion: Oct 30, 2023
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This EARLY_PHASE1 trial investigates Chronic Pain and is currently completed. Columbia University leads this study, which shows 13 recorded versions since 2019 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Nov 2018 – ~Mar 2019 · 4 months · monthly snapshot~Mar 2019 – ~Apr 2019 · 31 days · monthly snapshot~Apr 2019 – ~Aug 2019 · 4 months · monthly snapshot~Aug 2019 – ~Dec 2019 · 4 months · monthly snapshot~Dec 2019 – ~Dec 2020 · 12 months · monthly snapshot~Dec 2020 – ~Jan 2021 · 31 days · monthly snapshot~Jan 2021 – ~Sep 2021 · 8 months · monthly snapshot~Sep 2021 – ~Nov 2022 · 14 months · monthly snapshot~Nov 2022 – ~Nov 2023 · 12 months · monthly snapshot~Nov 2023 – ~Jul 2024 · 8 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~May 2025 · 8 months · monthly snapshot~May 2025 – present · 14 months · monthly snapshot

Change History

13 versions recorded
  1. May 2025 — Present [monthly]

    Completed EARLY_PHASE1

    Status: RecruitingCompleted

  2. Sep 2024 — May 2025 [monthly]

    Recruiting EARLY_PHASE1

  3. Jul 2024 — Sep 2024 [monthly]

    Recruiting EARLY_PHASE1

  4. Nov 2023 — Jul 2024 [monthly]

    Recruiting EARLY_PHASE1

  5. Nov 2022 — Nov 2023 [monthly]

    Recruiting EARLY_PHASE1

Show 8 earlier versions
  1. Sep 2021 — Nov 2022 [monthly]

    Recruiting EARLY_PHASE1

  2. Jan 2021 — Sep 2021 [monthly]

    Recruiting EARLY_PHASE1

  3. Dec 2020 — Jan 2021 [monthly]

    Recruiting EARLY_PHASE1

  4. Dec 2019 — Dec 2020 [monthly]

    Recruiting EARLY_PHASE1

  5. Aug 2019 — Dec 2019 [monthly]

    Recruiting EARLY_PHASE1

  6. Apr 2019 — Aug 2019 [monthly]

    Recruiting EARLY_PHASE1

    Status: Not Yet RecruitingRecruiting

  7. Mar 2019 — Apr 2019 [monthly]

    Not Yet Recruiting EARLY_PHASE1

  8. Nov 2018 — Mar 2019 [monthly]

    Not Yet Recruiting EARLY_PHASE1

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Columbia University
Data source: Columbia University

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

Study Locations