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Clinical trials · failure tracking
Oncology studies whose overall status is TERMINATED, WITHDRAWN or SUSPENDED on ClinicalTrials.gov, with the stop reason exactly as the registrant posted it. A category is attached only when an explicit keyword rule matches the text; CancerIndex never infers why a study stopped.
3 stopped studies mapped to Estrogen Receptor-Positive Breast Carcinoma and descendants · 100% state a reason
Over the 3 studies matching the cancer, status and year filters (the category filter does not change this chart). Each study is counted once, in the first matching category; greyed bars are studies whose text matched no rule or was empty.
Computedrules ci-stop-reasons-v1 · keyword matching only
A category is assigned when one of its keywords appears in the posted text (case-insensitive, whole words). Rules are tested in this order and the first match wins; every match is kept in the API (reasonMatches).
| NCT | Title | Phase | Status | First posted | Lead sponsor | Why stopped (as posted) | Category |
|---|---|---|---|---|---|---|---|
| NCT06671912 | Testing Low Dose Tamoxifen for Invasive Breast Cancer, LoTam Trial(LoTam) | Phase 3 | suspended | Nov 4, 2024 | Alliance for Clinical Trials in Oncology | Amending protocol to increase sample size | Other (stated, no rule matched) |
| NCT06538389 | High Cannabidiol Plant Extract (BRC-001) to Improve Aromatase Inhibitor-Induced… | Phase 2 | suspended | Aug 5, 2024 | City of Hope Medical Center | Accrual goal met | Enrollment / accrual |
| NCT07136493 | Circulating Tumor DNA Based Minimal Residual Disease Detection for Patients With… | N/A | withdrawn | Aug 22, 2025 | City of Hope Medical Center | Funding This study has been closed at City of Hope at the request of the Sponsor due to delays and… | Funding |
Stop reasons are registrant-reported free text and are displayed verbatim (truncated; hover for the full text). Categories come from explicit keyword rules and are never inferred from the study design, sponsor or outcome; a study that stopped for several reasons is filed under the first rule that matched. A TERMINATED status does not imply a negative result.
Data updated 22 days agoSource updated Sep 2, 2026source: clinicaltrials