drugset / Trial / NCT05563220

Open-Label Umbrella Study To Evaluate Safety And Efficacy Of Elacestrant In Various Combination In Participants With Metastatic Breast Cancer

NCT05563220 ↗

Phase 1/2 Active not recruiting 435 enrolled Stemline Therapeutics, Inc.
Non-randomizedParallel-groupOpen-labelTreatment

Summary

This is a multicenter, Phase 1b/2 trial in participants with estrogen receptor positive/human epidermal growth factor receptor 2 negative (ER+/HER2-) advanced/metastatic breast cancer. The phase 1b part of the trial will determine the recommended Phase 2 dose (RP2D) of elacestrant when administered in combination with alpelisib, everolimus, palbociclib, capivasertib, and ribociclib. The Phase 2 part of the trial will evaluate the efficacy and safety of the various combinations.

Timeline

Start
2023-01-24
Primary completion
2026-12-27
Completion
2028-12-28

Drugs

EvaluationDrugModalityDoseRoute
Subject Abemaciclib Small molecule 100 mg —
Subject Abemaciclib Small molecule 150 mg —
Subject Alpelisib Small molecule 150 mg —
Subject Alpelisib Small molecule 250 mg —
Subject Capivasertib Small molecule 200 mg —
Subject Capivasertib Small molecule 320 mg —
Subject Capivasertib Small molecule 400 mg —
Subject Elacestrant Other / unclassified 86 mg —
Subject Elacestrant Other / unclassified 100 mg —
Subject Elacestrant Other / unclassified 172 mg —
Subject Elacestrant Other / unclassified 200 mg —
Subject Elacestrant Other / unclassified 258 mg —
Subject Elacestrant Other / unclassified 300 mg —
Subject Elacestrant Other / unclassified 345 mg —
Subject Elacestrant Other / unclassified 400 mg —
Subject Everolimus Small molecule 5 mg —
Subject Everolimus Small molecule 7.5 mg —
Subject Everolimus Small molecule 10 mg —
Subject Palbociclib Small molecule 100 mg —
Subject Palbociclib Small molecule 125 mg —
Subject Ribociclib Small molecule 400 mg —
Subject Ribociclib Small molecule 600 mg —

Indications