Oncology Cardiology / Cardiovascular Respiratory / COPD / Asthma Infectious Disease Gastroenterology Diabetes / Metabolic Neurology Women's Health Rheumatology Mental Health / Psychiatry Dermatology Rare Diseases Men's Health
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.

Verify eligibility, endpoints and current status on the original ClinicalTrials.gov registry before acting on this summary.

Use This Page For
  • Quick orientation before opening the registry record.
  • Checking recruitment status, phase and sponsor at a glance.
  • Connecting this trial to nearby guidelines, Drug Science and education.
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
View this trial on the source registry
Eligibility criteria, protocol, and results when available
View Trial ↗
Share: Twitter/X LinkedIn
Related

Related Clinical Intelligence

Guidelines, Drug Science, safety briefs and education connected to this trial area.

Guideline
Trastuzumab deruxtecan for treating HER2-low metastatic or unresectable breast cancer after chemotherapy
Oncology · 07 Oct 2026
Trastuzumab deruxtecan is recommended by NICE as a treatment option for HER2-low metastatic or unresectable breast cancer, making it suitable for patients…
View guideline →
Guideline
Trastuzumab deruxtecan for treating HER2-positive unresectable or metastatic breast cancer after 1 or more lines of anti-HER2 treatment
Oncology · 20 Oct 2026
Trastuzumab deruxtecan is recommended as an option for HER2-positive unresectable or metastatic breast cancer only after 1 or more prior lines of…
View guideline →
Clinical Brief
‘My cancer spread while I waited months for surgery’: The cost of England’s cancer wait times
Oncology · BBC Health · 10 Sep 2026
England's cancer surgery waiting times have deteriorated despite government initiatives aimed at improving them, with patients experiencing significant delays that may allow…
View brief →
Clinical Brief
Heart trial after breast cancer has ‘improved my life’
Oncology · BBC Health · 02 Sep 2026
Women completing breast cancer treatment can safely discontinue cardioprotective medications (likely ACE inhibitors/beta-blockers) without adverse cardiac outcomes, based on evidence from a…
View brief →
Clinical Brief
The Irish international rugby ‘trailblazer’ and her legacy of cancer awareness
Oncology · BBC Health · 30 Sep 2026
A prominent Irish rugby player's death from breast cancer highlights the importance of raising awareness about symptoms among younger women, even in…
View brief →
Clinical Brief
New hope for breast cancer patients as life-extending drug now on NHS in England
Oncology · BBC Health · 16 Sep 2026
Enhertu is now available on the NHS in England, extending median overall survival by approximately seven months in eligible breast cancer patients…
View brief →