drugset / Trial / NCT05063786

Trastuzumab + Alpelisib +/- Fulvestrant vs Trastuzumab + CT in Patients With PIK3CA Mutated Previously Treated HER2+ Advanced BrEasT Cancer (ALPHABET)

NCT05063786

RandomizedParallel-groupOpen-labelTreatment

Summary

Randomized phase III trial of trastuzumab + Alpelisib +/- fulvestrant versus trastuzumab + chemotherapy in patients with PIK3CA mutated previously treated HER2+ Advanced Breast cancer.

Timeline

Start
2021-09-14
Primary completion
2026-06
Completion
2026-06

Drugs

EvaluationDrugModalityDoseRoute
Subject Alpelisib Small molecule 300 mg Oral
Subject Fulvestrant Small molecule 500 mg Intramuscular
Comparator Capecitabine Small molecule 1000 mg/m2 Oral
Comparator Capecitabine Small molecule 1250 mg/m2 Oral
Comparator Eribulin Small molecule 1.23 mg/m2 Intravenous
Background Trastuzumab Monoclonal antibody 2 mg/kg Intravenous
Background Trastuzumab Monoclonal antibody 6 mg/kg Intravenous
Background Trastuzumab Monoclonal antibody 600 mg Intravenous
Comparator Vinorelbine Small molecule 25 mg/m2 Oral
Comparator Vinorelbine Small molecule 30 mg/m2 Oral
Comparator Vinorelbine Small molecule 60 mg/m2 Oral

Indications