deltatrials
Completed PHASE3 INTERVENTIONAL 2-arm NCT00171704

A Study to Evaluate the Effect of Letrozole and Tamoxifen on Bone and Lipids in Postmenopausal Women With Breast Cancer

Sponsor: Danish Breast Cancer Cooperative Group

Updated 9 times since 2017 Last updated: Mar 1, 2017 Started: Apr 30, 2005 Primary completion: Mar 31, 2011 Completion: Mar 31, 2011
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT00171704, this PHASE3 trial focuses on Hormone Sensitive Resected Primary Breast Cancer in Postmenopausal Women and remains completed. Sponsored by Danish Breast Cancer Cooperative Group, it has been updated 9 times since 2005, reflecting limited change activity. This study contributes to the evolving evidence base for cancer treatment protocols.

Status Flow

~Jan 2017 – ~Mar 2017 · 59 days · monthly snapshotCompleted~Mar 2017 – ~Jun 2018 · 15 months · monthly snapshotCompleted~Jun 2018 – ~Jan 2021 · 31 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 · 7 months · monthly snapshotCompleted~Jan 2026 – present · 3 months · monthly snapshotCompleted

Change History

9 versions recorded
  1. Jan 2026 — Present [monthly]

    Completed PHASE3

  2. Sep 2025 — Present [monthly]

    Completed PHASE3

  3. Sep 2024 — Sep 2025 [monthly]

    Completed PHASE3

  4. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE3

  5. Dec 2021 — Jul 2024 [monthly]

    Completed PHASE3

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

    Completed PHASE3

  2. Jun 2018 — Jan 2021 [monthly]

    Completed PHASE3

  3. Mar 2017 — Jun 2018 [monthly]

    Completed PHASE3

  4. Jan 2017 — Mar 2017 [monthly]

    Completed PHASE3

    First recorded

Apr 2005

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Danish Breast Cancer Cooperative Group
  • Novartis Pharmaceuticals
  • University of Sheffield
Data source: Novartis

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