Live from ClinicalTrials.gov + Open Targets, fetched 2026-11-11 16:07 UTC. Every row links to its source record.
Postmortem · what the sponsor and named sources said, kept apart from what merely happened at the same time
Palbociclib in Estrogen Receptor Positive (ER+) Human Epidermal Growth Factor Receptor 2 Positive (HER2+) Metastatic Breast Cancer
NCT03709082 · University of Kansas Medical Center · PHASE1/PHASE2 · terminated · last registry update 2024-03-05 · Breast cancer · Decision brief
No research has been run for this trial yet, so only the registry's own reason and the timeline are shown.
What was said, and by whom
Stated is the sponsor's own words; Reported is a named third party. The category is our label from a fixed list; the quote is the evidence.
| Kind | Quote | Our category | Source |
|---|---|---|---|
| Stated | “Low accrual” | – | Registry record, University of Kansas Medical Center |
Also happening at the time. Not shown to be a cause.
Registry events on other trials of drugs against CCND1 in breast cancer within 12 months either side of this trial's last update, live from ClinicalTrials.gov. Nothing here was stated as a reason.
- 2025-02-17Results posted on the registry: M.D. Anderson Cancer Center, Hydroxychloroquine + Letrozole (NCT03774472)
- 2025-02-17Results posted on the registry: Emory University, Anastrozole + Exemestane (NCT03691493)
- 2025-01-07Phase 3 first posted: Pfizer, PF-07220060 + letrozole (NCT06760637)
- 2025-01-03Phase 3 first posted: Celcuity Inc, Arm A: Gedatolisib + Palbociclib + Fulvestrant + Arm B: Ribociclib + Fulvestrant (NCT06757634)
- 2024-12-27Results posted on the registry: M.D. Anderson Cancer Center, Abemaciclib + Anastrozole (NCT04256941)
- 2024-12-27Also stopped (terminated): M.D. Anderson Cancer Center, Abemaciclib + Anastrozole (NCT04256941)
- 2024-12-13Results posted on the registry: ETOP IBCSG Partners Foundation, Paclitaxel + Trastuzumab (NCT03644186)
- 2024-12-09Results posted on the registry: MedSIR, Palbociclib + Fulvestrant (NCT02491983)
- 2024-11-22Results posted on the registry: Pfizer, a drug against CCND1 (NCT04736576)
- 2024-11-08Results posted on the registry: Hoffmann-La Roche, Ipatasertib + Placebo (NCT04060862)
- 2024-11-08Also stopped (terminated): Hoffmann-La Roche, Ipatasertib + Placebo (NCT04060862)
- 2024-10-09Results posted on the registry: Hoffmann-La Roche, Inavolisib + Placebo (NCT04191499)
- 2024-09-25Results posted on the registry: Spanish Breast Cancer Research Group, Palbociclib + Capecitabine (NCT02028507)
- 2024-09-23Results posted on the registry: Shannon Puhalla, Fulvestrant + Tamoxifen (NCT02913430)
- 2024-09-19Also stopped (withdrawn): Brown University, Palbociclib Oral Product + TAS-116 (NCT05655598)
- 2024-09-03Results posted on the registry: Pfizer, PF-06804103 + PF-06804103 + Palbociclib +Letrozole (NCT03284723)
- 2024-09-03Also stopped (terminated): Pfizer, PF-06804103 + PF-06804103 + Palbociclib +Letrozole (NCT03284723)
- 2024-08-19Also stopped (suspended): Ascentage Pharma Group Inc., APG-2575 + Palbociclib (NCT04946864)
- 2024-08-14Results posted on the registry: Jazz Pharmaceuticals, ZW25 (Zanidatamab) + Palbociclib (NCT04224272)
- 2024-08-09Results posted on the registry: Zeno Alpha Inc., ZN-c5 + Palbociclib (NCT03560531)
- 2024-07-29Results posted on the registry: Oana Danciu, MD, Palbociclib + Tamoxifen (NCT02668666)
- 2024-07-24Results posted on the registry: University of Arizona, Palbociclib + T-DM1 (NCT03530696)
- 2024-04-24Phase 3 first posted: AstraZeneca, Saruparib (AZD5305) + Camizestrant (NCT06380751)
- 2024-04-22Phase 3 first posted: American Society of Clinical Oncology, Palbociclib 125mg + Ribociclib 600mg (NCT06377852)
- 2024-03-22Results posted on the registry: Eisai Inc., Palbociclib (75, 100, 125 milligram [mg]) + H3B-6545 (150, 300, 450 mg) (NCT04288089)
What is not public
- Internal portfolio and board discussions
- Unpublished trial data and interim analyses
- Terms of any partner or licence decision