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OncoMatch/Clinical Trials/NCT07405801

A Phase II Study Evaluating the Efficacy and Safety of Inavolisib Plus Ribociclib Plus Fulvestrant Versus Placebo Plus Ribociclib Plus Fulvestrant in Participants With Advanced Breast Cancer

Is NCT07405801 recruiting? Yes, currently enrolling (May 2026). This Phase 2 trial studies multiple treatments including Inavolisib and Ribociclib for breast cancer.

Phase 2RecruitingHoffmann-La RocheNCT07405801Data as of May 2026

Treatment: Inavolisib · Ribociclib · FulvestrantA study to evaluate the efficacy and safety of triplet combination of inavolisib plus ribociclib and fulvestrant versus placebo plus ribociclib and fulvestrant in the first-line setting in participants with endocrine-therapy-resistant hormone receptor (HR)-positive (HR+), human epidermal growth factor receptor 2-negative (HER2-) advanced breast cancer (ABC) with chromosome 8p loss (chr8p loss) and without PIK3CA mutation.

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Extracted eligibility criteria

Cancer type

Breast Carcinoma

Biomarker criteria

Required: ESR1 overexpression (>=1% of tumor cells stained positive)

estrogen receptor (ER)-positive ... defined as >=1% of tumor cells stained positive

Required: PR (PGR) overexpression (>=1% of tumor cells stained positive)

progesterone receptor (PR)-positive ... defined as >=1% of tumor cells stained positive

Required: PIK3CA wild-type

lack of a phosphatidylinositol-4,5-biphosphate 3-kinase catalytic subunit alpha gene (PIK3CA) mutation

Required: CHR8P heterozygous loss

presence of heterozygous loss of chromosome 8p (i.e., PIK3CAnmd and chr8p loss)

Prior therapy

No prior treatment (treatment-naive required)
Max 0 prior lines

Must have received: endocrine therapy (aromatase inhibitor, tamoxifen) — adjuvant

Structured fields extracted by AI. May contain errors — verify against the official protocol.

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