drugset / Trial / NCT05063786
Trastuzumab + Alpelisib +/- Fulvestrant vs Trastuzumab + CT in Patients With PIK3CA Mutated Previously Treated HER2+ Advanced BrEasT Cancer (ALPHABET)
Phase 3
Active not recruiting
27 enrolled
Spanish Breast Cancer Research Group
Breast International Group · collabETOP IBCSG Partners Foundation · collabNovartis Pharmaceuticals · collab
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
| Evaluation | Drug | Modality | Dose | Route |
|---|---|---|---|---|
| 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 |