Status:

RECRUITING

To Study the Effect of Inavolisib in Combination With Fulvestrant in Participants With Breast Cancer

Lead Sponsor:

Hoffmann-La Roche

Conditions:

Breast Cancer

Eligibility:

All Genders

18+ years

Phase:

PHASE2

Brief Summary

The purpose of this study is to evaluate the efficacy and safety of inavolisib in combination with fulvestrant compared with inavolisib in combination with fulvestrant in participants with PIK3CA-muta...

Eligibility Criteria

Inclusion

  • Documented ER +/ HER2- tumor according to American Society of Clinical Oncology/College of American Pathologists (ASCO/CAP) guidelines
  • Disease progression after or during treatment with a combination of CDK4/6i and endocrine therapy: \<= 1 prior lines of systemic therapy in the locally advanced (recurrent or progressed) or metastatic setting
  • Measurable or evaluable disease per Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST v1.1)
  • Participants for whom endocrine-based therapy is recommended and treatment with cytotoxic chemotherapy is not indicated at time of entry into the study, as per national or local treatment guidelines
  • Confirmation of biomarker eligibility: presence of \>= 1 study-eligible PIK3CA mutation
  • Life expectancy of \> 6 months
  • Ability, in the investigator's judgment, and willingness to comply with all study -related procedures, including completion of patient-reported outcomes

Exclusion

  • Metaplastic breast cancer
  • Prior treatment with chemotherapy in the recurrent locally advanced/metastatic setting
  • Type 2 diabetes requiring ongoing systemic treatment at the time of study entry; or any history of Type 1 diabetes
  • Prior treatment with PI3K/Akt/mTOR inhibitors in the recurrent locally advanced/metastatic setting
  • Requirement for daily supplemental oxygen
  • Symptomatic active lung disease, including pneumonitis

Key Trial Info

Start Date :

February 27 2026

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 31 2031

Estimated Enrollment :

80 Patients enrolled

Trial Details

Trial ID

NCT07368998

Start Date

February 27 2026

End Date

December 31 2031

Last Update

February 23 2026

Active Locations (11)

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Page 1 of 3 (11 locations)

1

Los Angeles Cancer Network

Los Angeles, California, United States, 90017-4803

2

Astera Cancer Care East Brunswick

East Brunswick, New Jersey, United States, 08816

3

Hospital Universitario San Cecilio

Granada, Spain, 18016

4

Hospital Universitario 12 De Octubre

Madrid, Spain, 28041

To Study the Effect of Inavolisib in Combination With Fulvestrant in Participants With Breast Cancer | DecenTrialz