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A Study of Ipatasertib Plus Palbociclib and Fulvestrant Versus Placebo Plus Palbociclib and Fulvestrant in Hormone Receptor Positive and HER2 Negative Locally Advanced Unresectable or Metastatic Breast Cancer

A PHASE IB/III STUDY OF IPATASERTIB PLUS PALBOCICLIB AND FULVESTRANT VERSUS PLACEBO PLUS PALBOCICLIB AND FULVESTRANT IN HORMONE RECEPTOR POSITIVE AND HER2 NEGATIVE LOCALLY ADVANCED UNRESECTABLE OR METASTATIC BREAST CANCER

Status
Active, not recruiting
Phases
Phase 1Phase 3
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2019-001072-11-ES
Enrollment
370
Registered
2019-07-05
Start date
2019-08-21
Completion date
Unknown
Last updated
2023-09-26

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

Conditions

Hormone receptor (HR)-positive/HER2-negative locally advanced unresectable or metastatic breast cancer MedDRA version: 20.0 Level: LLT Classification code 10027475 Term: Metastatic breast cancer System Organ Class: 100000004864 MedDRA version: 20.0 Level: LLT Classification code 10072740 Term: Locally advanced breast cancer System Organ Class: 100000004864

Interventions

Product Name: ipatasertib 100 mg Product Code: RO5532961 Pharmaceutical Form: Film-coated tablet INN or Proposed INN: IPATASERTIB Current Sponsor code: RO5532961 Concentration unit: mg milligram(s) Co

Sponsors

Roche Farma S. A. U. que realiza el ensayo en España y que actúa como representante F. Hoffmann-La Roche Ltd
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - Age >= 18 years - HR+ HER2- adenocarcinoma of the breast that is locally advanced unresectable or metastatic - For women of childbearing potential: agreement to remain abstinent or use contraception, and agreement to refrain from donating eggs - For men: agreement to remain abstinent or use a condom, and agreement to refrain from donating sperm - Radiologic/objective relapse during adjuvant endocrine therapy or disease progression during the initial 12 months of 1L endocrine therapy in locally advanced unresectable or metastatic breast cancer - At least one measurable lesion via Response Evaluation Criteria in Solid Tumors, Version 1.1 - Phase III only: Tumor specimen from the most recently collected, available tumor tissue Are the trial subjects under 18? no Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range 200 F.1.3 Elderly (>=65 years) yes F.1.3.1 Number of subjects for this age range 170

Exclusion criteria

Exclusion criteria: - Pregnant or breastfeeding, or intending to become pregnant - Prior treatment with fulvestrant or other selective estrogen receptor down-regulator - Prior treatment with PI3K inhibitor, mTOR inhibitor or AKT inhibitor - Phase Ib only: Prior treatment with CDK4/6 inhibitor - Prior treatment with a cytotoxic chemotherapy regimen for metastatic breast cancer - History of Type I or Type II diabetes mellitus requiring insulin - History of or active inflammatory bowel disease or active bowel inflammation - Lung disease: pneumonitis, interstitial lung disease, idiopathic pulmonary fibrosis, cystic fibrosis, Aspergillosis, active tuberculosis, or history of opportunistic infections

Design outcomes

Primary

MeasureTime frame
Main Objective: To evaluate the efficacy of ipatasertib + palbociclib + fulvestrant compared with placebo + palbociclib + fulvestrant in the intent to treat (ITT) population and in patients with PIK3CA/AKT1/PTEN altered tumors (Phase III);Secondary Objective: 1. To evaluate additional efficacy of ipatasertib + palbociclib + fulvestrant compared with placebo + palbociclib + fulvestrant in the ITT population and in patients with PIK3CA/AKT1/PTEN altered tumors (Phase III) 2. To characterize the safety of combining ipatasertib with palbociclib + fulvestrant (Phase Ib and III) 3. To characterize the Pharmacokinetic profiles of ipatasertib and its metabolite (G-037720) in combination with palbociclib and fulvestrant (Phase Ib and III);Primary end point(s): 1. Progression-free survival (PFS) in ITT patients 2. PFS in patients with PIK3CA/AKT1/PTEN altered Tumors;Timepoint(s) of evaluation of this end point: Phase III 1-2. Up to 64 months

Secondary

MeasureTime frame
Secondary end point(s): Phase III 1. Objective response rate (ORR) 2. Duration of objective response (DOR) 3. Clinical benefit rate (CBR) 4. Overall survival (OS) 5. Time to deterioration (TTD) in pain 6. TTD in physical functioning, role functioning, and Global Health Survey/Health-Related Quality of Life Phase Ib and III 7. Incidence and severity of adverse events, with severity determined according to National Cancer Institute Common Terminology Criteria for Adverse Events, Version 5.0 8. Change from baseline in targeted vital signs 9. Change from baseline in targeted clinical laboratory test results 10. Plasma concentration of ipatasertib and its metabolite, G-037720, at specified timepoints;Timepoint(s) of evaluation of this end point: 1-9. Up to 64 months 10. Phase Ib: Cycle 1 Day 1 and 15; Cycle 2 and 3 Day 15; Phase III: Cycle 1 Day 1 and 15; Cycle 2 Day 15

Countries

Australia, Brazil, Canada, Japan, Korea, Republic of, Spain, United Kingdom, United States

Contacts

Public ContactTrial Information Support Line-TISL

F. Hoffmann-La Roche Ltd

spain.start_up_unit@roche.com34913257300

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026