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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 (IPATunity150)

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ClinicalTrials.gov Identifier: NCT04060862
Recruitment Status : Terminated (The decision to not open the Phase III portion was based on a strategic sponsor decision and not driven by any safety concerns.)
First Posted : August 19, 2019
Last Update Posted : April 3, 2024
Sponsor:
Information provided by (Responsible Party):
Hoffmann-La Roche

Study Description
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Brief Summary:
The open-label Phase Ib portion of this study will evaluate the safety and pharmacokinetics of ipatasertib in combination with palbociclib and fulvestrant to identify a dose of ipatasertib that can be combined with palbociclib and fulvestrant in the Phase III portion. The randomized Phase III portion of this study will evaluate the efficacy, safety, and patient-reported outcome (PRO) objectives of ipatasertib + palbociclib + fulvestrant compared with placebo + palbociclib + fulvestrant in patients with HR+ HER2-, locally advanced unresectable or metastatic breast cancer who had relapsed during adjuvant endocrine therapy or progressed during the initial 12 months of first-line endocrine therapy in locally advanced unresectable or metastatic breast cancer.

Condition or disease Intervention/treatment Phase
Breast Cancer Drug: Ipatasertib Drug: Placebo Drug: Palbociclib Drug: Fulvestrant Phase 3

Study Design
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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 20 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Triple (Participant, Care Provider, Investigator)
Primary Purpose: Treatment
Official Title: 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
Actual Study Start Date : November 15, 2019
Actual Primary Completion Date : August 29, 2023
Actual Study Completion Date : August 29, 2023

Resource links provided by the National Library of Medicine


Arms and Interventions
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Arm Intervention/treatment
Experimental: Phase 1b and Phase 3: Ipatasertib + Palbociclib +Fulvestrant Drug: Ipatasertib
Phase 1b: Ipatasertib, 300 mg starting dose administered orally once daily (PO QD) during an initial 5-7 day run-in period, then continued on Days 1-21 during the first cycle. Starting with Cycle 2, Day 1 ipatasertib will be taken orally once daily on Days 1-21 of each 28-day cycle. Phase 3: Ipatasertib, administered PO QD on Days 1-21 of each 28-day cycle at the dose confirmed in the Phase Ib portion.
Other Name: RO5532961, GDC-0068

Drug: Palbociclib
Palbociclib, administered PO QD on Days 1-21 of each 28-day cycle.

Drug: Fulvestrant
Fulvestrant, 500 mg administered as two intramuscular injections of 250 mg each on Cycle 1 Days 1 and 15 and Day 1 of each subsequent 28-day cycle.
Placebo Comparator: Phase 3: Placebo + Palbociclib + Fulvestrant Drug: Placebo
Phase 3: Matching placebo, administered PO QD on Days 1-21 of each 28-day cycle at the dose confirmed in the Phase Ib portion.

Drug: Palbociclib
Palbociclib, administered PO QD on Days 1-21 of each 28-day cycle.

Drug: Fulvestrant
Fulvestrant, 500 mg administered as two intramuscular injections of 250 mg each on Cycle 1 Days 1 and 15 and Day 1 of each subsequent 28-day cycle.


Outcome Measures
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Primary Outcome Measures :
  1. Progression-Free Survival (PFS) in Intent-to-Treat (ITT), as determined by the investigator according to Response Evaluation Criteria in Solid Tumors, Version 1.1 (RECIST v1.1) [ Time Frame: From randomization in Phase 3 until the first occurrence of disease progression or death from any cause, whichever occurs earlier, up to approximately 64 months ]
  2. Progression-Free Survival (PFS) in Patients with PIK3CA/AKT1/PTEN Altered Tumors, as determined by the investigator according to Response Evaluation Criteria in Solid Tumors, Version 1.1 (RECIST v1.1) [ Time Frame: From randomization in Phase 3 until the first occurrence of disease progression or death from any cause, whichever occurs earlier, up to approximately 64 months ]

Secondary Outcome Measures :
  1. Objective Response Rate (ORR) as determined by the investigator according to Response Evaluation Criteria in Solid Tumors, Version 1.1 (RECIST v1.1) [ Time Frame: From randomization in Phase 3 until the first occurrence of disease progression or death from any cause, whichever occurs earlier, up to approximately 64 months ]
  2. Duration of Objective Response (DOR) as determined by the investigator according to Response Evaluation Criteria in Solid Tumors, Version 1.1 (RECIST v1.1) [ Time Frame: From randomization in Phase 3 until the first occurrence of disease progression or death from any cause, whichever occurs earlier, up to approximately 64 months ]
  3. Clinical Benefit Rate (CBR) as determined by the investigator according to Response Evaluation Criteria in Solid Tumors, Version 1.1 (RECIST v1.1) [ Time Frame: From randomization in Phase 3 until the first occurrence of disease progression or death from any cause, whichever occurs earlier, up to approximately 64 months ]
  4. Overall Survival (OS) as determined by the investigator according to Response Evaluation Criteria in Solid Tumors, Version 1.1 (RECIST v1.1 [ Time Frame: From randomization in Phase 3 until the first occurrence of disease progression or death from any cause, whichever occurs earlier, up to approximately 64 months ]
  5. Time to Deterioration (TTD) in Severity of Pain, according to the Brief Pain Inventory-Short Form (BPI-SF) [ Time Frame: From randomization in Phase 3 to the first documentation of a 2-point or more increase in pain scale from baseline, up to approximately 64 months ]
  6. TTD in presence and interference of pain according to the European Organisation for Research and Treatment of Cancer Quality-of-Life Questionnaire Core 30 (EORTC QLQ-C30) Pain Scale [ Time Frame: From randomization in Phase 3 to the first documentation of a 10-point or more increase from baseline, up to approx 64 months ]
  7. Time to deterioration (TTD) in physical functioning (PF) [ Time Frame: From randomization in Phase 3 to the first documentation of a 10-point or more decrease from baseline in the PF scale of the EORTC QLQ-C30, up to approx 64 months ]
  8. TTD in Role Functioning (RF) [ Time Frame: From randomization in Phase 3 to the first documentation of a 10-point or more decrease from baseline in the RF scale of the EORTC QLQ-C30, up to approx 64 months ]
  9. TTD in Global Health Status (GHS)/Quality of Life (QoL) [ Time Frame: From randomization in Phase 3 to the first documentation of a 10-point or more decrease from baseline in the GHS/HRQoL scale of the EORTC QLQ-C30, up to approx 64 months ]
  10. Number of Participants with Adverse Events [ Time Frame: From baseline to end of study, up to approximately 64 months ]
  11. Phase 1b: Plasma Concentration of Ipatasertib and its Metabolite, G-037720 and Palbociclib [ Time Frame: Ipatasertib & G-037720: predose, postdose at 0.5,1,2,3,4,6hr of Cycle(C) 1 (each cycle is 28 days), Day(D) 1, postdose at 0.5,1,2,3,4,6hr of C1D15, 2hr post-dose on C3D15; Palbociclib: predose on C1D15, C2D15 & C3D15 ]
  12. Phase 3: Plasma Concentration of Ipatasertib or its Placebo and its Metabolite, G-037720 [ Time Frame: 2-4 hrs after ipatasertib or its placebo on C1D1 (each cycle is 28 days), C1D15 and C2D15, Predose on C1D15, C2D15 ]

Eligibility Criteria
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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • 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 contraceptive methods, 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

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 III only: Prior treatment with CDK4/6 inhibitor for locally advanced unresectable or metastatic breast cancer
  • 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
Contacts and Locations
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Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04060862


Locations
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Sponsors and Collaborators
Hoffmann-La Roche
More Information
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Responsible Party: Hoffmann-La Roche
ClinicalTrials.gov Identifier: NCT04060862    
Other Study ID Numbers: CO41012
2019-001072-11 ( EudraCT Number )
First Posted: August 19, 2019    Key Record Dates
Last Update Posted: April 3, 2024
Last Verified: April 2024
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: No
Plan Description: Qualified researchers may request access to individual patient level data through the clinical study data request platform (www.clinicalstudydatarequest.com). Further details on Roche's criteria for eligible studies are available here (https://clinicalstudydatarequest.com/Study-Sponsors/Study-Sponsors-Roche.aspx). For further details on Roche's Global Policy on Sharing of Clinical Study Information and how to request access to related clinical study documents, see here (https://www.roche.com/research_and_development/who_we_are_how_we_work/clinical_trials/our_commitment_to_data_sharing.htm).

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Additional relevant MeSH terms:
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Breast Neoplasms
Neoplasms by Site
Neoplasms
Breast Diseases
Skin Diseases
Fulvestrant
Palbociclib
Ipatasertib
Antineoplastic Agents, Hormonal
 Antineoplastic Agents
Estrogen Receptor Antagonists
Estrogen Antagonists
Hormone Antagonists
Hormones, Hormone Substitutes, and Hormone Antagonists
Physiological Effects of Drugs
Protein Kinase Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action