deltatrials
Completed PHASE4 INTERVENTIONAL 1-arm NCT03076021

Effects of Isotretinoin on CYP2D6 Activity

Sponsor: National Institute of General Medical Sciences (NIGMS)

Updated 9 times since 2017 Last updated: Jan 3, 2025 Started: Jul 26, 2016 Primary completion: Nov 27, 2023 Completion: Nov 27, 2023
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE4 clinical study on CYP2D6 Polymorphism, this trial is completed. The trial is conducted by National Institute of General Medical Sciences (NIGMS) and has accumulated 9 data snapshots since 2016. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Apr 2017 – ~Jun 2018 · 14 months · monthly snapshotRecruiting~Jun 2018 – ~Jan 2021 · 31 months · monthly snapshotRecruiting~Jan 2021 – ~Oct 2021 · 9 months · monthly snapshotRecruiting~Oct 2021 – ~Dec 2022 · 14 months · monthly snapshotActive Not Recruiting~Dec 2022 – ~Dec 2023 · 12 months · monthly snapshotActive Not Recruiting~Dec 2023 – ~Jul 2024 · 7 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – ~Feb 2025 · 5 months · monthly snapshotCompleted~Feb 2025 – present · 18 months · monthly snapshotCompleted

Change History

9 versions recorded
  1. Feb 2025 — Present [monthly]

    Completed PHASE4

  2. Sep 2024 — Feb 2025 [monthly]

    Completed PHASE4

  3. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE4

  4. Dec 2023 — Jul 2024 [monthly]

    Completed PHASE4

    Status: Active Not RecruitingCompleted

  5. Dec 2022 — Dec 2023 [monthly]

    Active Not Recruiting PHASE4

Show 4 earlier versions
  1. Oct 2021 — Dec 2022 [monthly]

    Active Not Recruiting PHASE4

    Status: RecruitingActive Not Recruiting

  2. Jan 2021 — Oct 2021 [monthly]

    Recruiting PHASE4

  3. Jun 2018 — Jan 2021 [monthly]

    Recruiting PHASE4

  4. Apr 2017 — Jun 2018 [monthly]

    Recruiting PHASE4

    First recorded

Jul 2016

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • National Institute of General Medical Sciences (NIGMS)
  • University of Washington
Data source: University of Washington

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

Study Locations