Skip to content

A phase II, multicenter, open-label, two-cohort, non-comparative study to assess the efficacy and safety of alpelisib plus fulvestrant or letrozole in patients with PIK3CA mutant, hormone receptor (HR) positive, HER2-negative advanced breast cancer (aBC), who have progressed on or after CDK 4/6 inhibitor treatment

A phase II, multicenter, open-label, two-cohort, non-comparative study to assess the efficacy and safety of alpelisib plus fulvestrant or letrozole in patients with PIK3CA mutant, hormone receptor (HR) positive, HER2-negative advanced breast cancer (aBC), who have progressed on or after CDK 4/6 inhibitor treatment

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2080223749
Enrollment
160
Registered
2017-12-11
Start date
2017-12-15
Completion date
Unknown
Last updated
2026-09-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

breast cancer

Interventions

investigational material(s) Generic name etc : INN of investigational material : alperisib Therapeutic category code : 429 Other antitumor agents Dosage and Administration for Investigational materia

Sponsors

Novartis Pharma K.K.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: -Patient is a male or postmenopausal female > 18 years old. -Patient has adequate tumor tissue for the analysis of PIK3CA mutational status by a Novartis designated laboratory. It is recommended to provide a tumor sample collected after the most recent progression or recurrence -Patient has identified PIK3CA mutant status determined by a Novartis designated laboratory

Exclusion criteria

Exclusion criteria: -Patient has received prior treatment with any PI3K inhibitors -Patient with clinically manifest diabetes mellitus, or documented steroid induced diabetes mellitus -Patient has a concurrent malignancy or malignancy within 3 years of study screening period, with the exception of adequately treated, basal or squamous cell carcinoma, non-melanoma skin cancer or curatively resected cervical cancer -Patient has received radiotherapy < 4 weeks or limited field radiation for palliation < 2 weeks prior to enrollment, and who has not recovered to grade 1 or better from related side effects of such therapy -Patients receiving corticosteroids < 2 weeks prior to treatment. at the time of study entry except in cases outlined below: -Bilateral diffuse lymphangitis carcinomatosis

Design outcomes

Primary

MeasureTime frame
efficacy

Secondary

MeasureTime frame
safety efficacy

Countries

Asia except Japan, Europe, Japan, North America, Oceania, South America

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Sep 19, 2026