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Clinical Trial Active — Not Recruiting Phase II / Phase III NCT04191499

A Study Evaluating the Efficacy and Safety of Inavolisib + Palbociclib + Fulvestrant vs Placebo + Palbociclib + Fulvestrant in Participants With PIK3CA-Mutant, Hormone Receptor-Positive, HER2-Negative, Locally Advanced or Metastatic Breast Cancer

A Study Evaluating the Efficacy and Safety of Inavolisib + Palbociclib + Fulvestrant vs Placebo + Palbociclib + Fulvestrant in Participants With PIK3CA-Mutant, Hormone Receptor-Positive, HER2-Negative, Locally Advanced…

📅 15 Jun 2026 ⏱ 1 min read
Active — Not Recruiting
Check the registry for current status and eligibility criteria.
Status
Active — Not Recruiting
Phase
Phase II / Phase III
NCT ID
NCT04191499
Start
2020-01-29
Completion
2023-09-29
ClinicaliQ Trial Snapshot
  • A Study Evaluating the Efficacy and Safety of Inavolisib + Palbociclib + Fulvestrant vs Placebo + Palbociclib + Fulvestrant in Participants With PIK3CA-Mutant, Hormone Receptor-Positive, HER2-Negative, Locally Advanced or Metastatic Breast Cancer — Active Not Recruiting • Phase II / Phase III….
  • Adding inavolisib to standard breast cancer treatment improves outcomes in patients with specific genetic mutations and advanced hormone-receptor-positive disease.

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What This Trial Is Studying

This study will evaluate the efficacy, safety, and pharmacokinetics of inavolisib in combination with palbociclib and fulvestrant compared with placebo plus palbociclib and fulvestrant in participants with PIK3CA-mutant, hormone receptor (HR)-positive, HER2-negative locally advanced or metastatic breast cancer whose disease progressed during treatment or within 12 months of completing adjuvant endocrine therapy and who have not received prior systemic therapy for metastatic disease. Conditions: Breast Cancer Interventions: Inavolisib, Placebo, Palbociclib, Fulvestrant Lead Sponsor: Hoffmann-La Roche Planned Enrollment: 325 participants

Full Trial Details
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Eligibility criteria, protocol, and results when available
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