deltatrials
Completed OBSERVATIONAL NCT01169792

Study of Cytochrome P450 Polymorphisms (CYP2D6, CYP3A4/5 and CYP2C19) in Breast Cancer Patients

Association Between Genetic Polymorphisms of CYP2D6 and Outcomes in Breast Cancer Patients With Tamoxifen Treatment

Sponsor: Inje University

Interventions tamoxifen
Updated 10 times since 2017 Last updated: Jul 23, 2010
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT01169792, this observational or N/A phase trial focuses on Antineoplastic Agents and Breast Neoplasms and remains completed. Sponsored by Inje University, it has been updated 10 times since 2026, reflecting substantial change activity. This study contributes to the evolving evidence base for cancer treatment protocols.

Status Flow

~Jan 2017 – ~Aug 2017 · 7 months · monthly snapshotCompleted~Aug 2017 – ~Apr 2018 · 8 months · monthly snapshotCompleted~Apr 2018 – ~May 2018 · 30 days · monthly snapshotCompleted~May 2018 – ~Nov 2020 · 30 months · monthly snapshotCompleted~Nov 2020 – ~Jan 2021 · 2 months · monthly snapshotCompleted~Jan 2021 – ~Dec 2021 · 11 months · monthly snapshotCompleted~Dec 2021 – ~Jul 2024 · 31 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotCompleted~Sep 2025 – present · 10 months · monthly snapshotCompleted

Change History

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

    Completed

  2. Sep 2024 — Sep 2025 [monthly]

    Completed

  3. Jul 2024 — Sep 2024 [monthly]

    Completed

  4. Dec 2021 — Jul 2024 [monthly]

    Completed

  5. Jan 2021 — Dec 2021 [monthly]

    Completed

Show 5 earlier versions
  1. Nov 2020 — Jan 2021 [monthly]

    Completed

  2. May 2018 — Nov 2020 [monthly]

    Completed

  3. Apr 2018 — May 2018 [monthly]

    Completed

    Phase: NANone

  4. Aug 2017 — Apr 2018 [monthly]

    Completed NA

  5. Jan 2017 — Aug 2017 [monthly]

    Completed NA

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Inje University
  • Yonsei University
Data source: Yonsei University

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