- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03965845
A Study of Telaglenastat (CB-839) in Combination With Palbociclib in Patients With Solid Tumors
A Phase 1b/2, Open Label, Dose Escalation and Expansion Study of the Glutaminase Inhibitor Telaglenastat (CB-839) in Combination With CDK4/6 Inhibitor Palbociclib in Patients With Advanced or Metastatic Solid Tumors
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Locations
-
-
California
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Santa Monica, California, United States, 90095
- UCLA Hematology/Oncology
-
-
Georgia
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Atlanta, Georgia, United States, 30322
- Emory, Winship Cancer Institute
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-
Illinois
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Chicago, Illinois, United States, 60612
- Rush University Medical Center
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Chicago, Illinois, United States, 60611
- Northwestern University Feinberg School of Medicine
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Iowa
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Iowa City, Iowa, United States, 52242
- University of Iowa Hospitals and Clinics
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Minnesota
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Saint Paul, Minnesota, United States, 55101
- Regions Cancer Care Center
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Tennessee
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Nashville, Tennessee, United States, 37203
- Sarah Cannon Research Institute- Tennessee Oncology
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Texas
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Houston, Texas, United States, 77030
- MD Anderson
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San Antonio, Texas, United States, 78229
- South Texas Accelerated Research Therapeutic, LLC
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Wisconsin
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Madison, Wisconsin, United States, 53792
- University Of Wisconsin Clinical Science Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Part 1: Have documented incurable/locally advanced or metastatic solid tumors that have either relapsed or are refractory or intolerant to the standard therapies of proven clinical benefit.
- Part 2: Availability of archival tumor tissue block or slides (Fresh tumor biopsy will be required if archival tissue is not available)
- Part 2, Cohort 1: Incurable/locally advanced or metastatic KRAS-mutant CRC previously treated with systemic therapy (examples include: oxaliplatin-, irinotecan-and 5 FU-based chemotherapy (unless contraindicated) with or without bevacizumab)
- Part 2, Cohort 2: Incurable/locally advanced or metastatic KRAS-mutant NSCLC previously treated with systemic chemotherapy including platinum-based and anti-PD-1/PDL-1 therapy (unless contraindicated)
- Part 2, Cohort 3: Advance KRAS-mutant Pancreatic Ductal Adenocarcinoma (PDAC) harboring a mutation or loss in CDKN2A (PDAC) and received treatment with one or more lines of systemic chemotherapy with FOLFIRINOX and/or gemcitabine/abraxane in the neoadjuvant, adjuvant, or metastatic disease setting or unable to receive standard of care chemotherapy
Cohort 4 may be opened only if Cohort 3 achieves predefined criteria for efficacy
-Part 2 Cohort 4: Advanced KRAS-mutant Pancreatic Ductal Adenocarcinoma (PDAC). · Histological or cytological diagnosis of advanced or metastatic KRAS-mutant with CDKN2A wild type (PDAC) and received treatment with one or more lines of systemic chemotherapy with FOLFIRINOX and/or gemcitabine/abraxane in the neoadjuvant, adjuvant, or metastatic disease setting or unable to receive standard of care chemotherapy.
For both Part 1 and 2:
- Eastern Cooperative Oncology Group (ECOG) Performance Status of 0-1
- Ability to provide written consent in accordance with federal, local and institutional guidelines
- PER RECIST v1.1 evaluable disease (for part 1) or measurable disease (for Part 2)
- Recovery to baseline or to Grade 1 CTCAE v5.0 of toxicities that were related to prior therapies
Exclusion Criteria:
- Prior treatment with CB-839 or palbociclib
- Unable to receive oral medication
- Infection requiring more than 5 days of parenteral antibiotics, antivirals, or antifungals within two weeks prior to C1D1
- Unable to discontinue proton pump inhibitor use before study treatment
- Refractory nausea and vomiting, uncontrolled diarrhea, malabsorption, significant small bowel resection or gastric bypass surgery, use of feeding tubes or other situation that may preclude adequate absorption
- Active and/or untreated central nervous system metastasis. Patients with treated brain metastasis must have (1) documented radiographic stability of at least 4 weeks in duration demonstrating on baseline central nervous system imaging prior to study treatment and (2) be symptomatically stable and off steroids for at least 2 weeks before administration of any study treatment.
- Major surgery within 28 days prior to first dose of study drug
Receipt of any anticancer therapy within the following windows:
- small molecule TKI therapy (including investigational) within 2 weeks or 5 half-lives prior to expected Cycle 1 Day 1 dose
- any type of anti-cancer antibody or cytotoxic chemo within 4 weeks prior to Cycle 1 Day 1 Dose
- radiation therapy for bone metastasis within 2 weeks prior or any other external radiation therapy within 4 weeks prior to C1D1
- patients with clinically relevant ongoing complications from prior radiation therapy are not eligible
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Sequential Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Cohort 1: Telaglenastat 600 mg and Palbociclib 75 mg
|
Teleglenastat is an oral tablet administered twice daily with food at the assigned dose level.
Dose is taken with palbociclib each day in 28-day cycles.
Palbociclib (Ibrance) is an oral capsule or tablet administered once daily with food on Days 1-21 of every 28-day cycle in combination with telaglenestat.
Days 22-28 of every cycle, palbociclib is not taken.
Other Names:
|
Experimental: Cohort 2: Telaglenastat 800 mg and Palbociclib 75 mg
|
Teleglenastat is an oral tablet administered twice daily with food at the assigned dose level.
Dose is taken with palbociclib each day in 28-day cycles.
Palbociclib (Ibrance) is an oral capsule or tablet administered once daily with food on Days 1-21 of every 28-day cycle in combination with telaglenestat.
Days 22-28 of every cycle, palbociclib is not taken.
Other Names:
|
Experimental: Cohort 3: Telaglenastat 800 mg and Palbociclib 100 mg
|
Teleglenastat is an oral tablet administered twice daily with food at the assigned dose level.
Dose is taken with palbociclib each day in 28-day cycles.
Palbociclib (Ibrance) is an oral capsule or tablet administered once daily with food on Days 1-21 of every 28-day cycle in combination with telaglenestat.
Days 22-28 of every cycle, palbociclib is not taken.
Other Names:
|
Experimental: Cohort 3: Telaglenastat 800 mg and Palbociclib 125 mg
|
Teleglenastat is an oral tablet administered twice daily with food at the assigned dose level.
Dose is taken with palbociclib each day in 28-day cycles.
Palbociclib (Ibrance) is an oral capsule or tablet administered once daily with food on Days 1-21 of every 28-day cycle in combination with telaglenestat.
Days 22-28 of every cycle, palbociclib is not taken.
Other Names:
|
Experimental: Part 2: Expansion
The recommended phase 2 dose (RP2D) determined from Part 1 will be the treatment for all cohorts in expansion Part 2.
|
Teleglenastat is an oral tablet administered twice daily with food at the assigned dose level.
Dose is taken with palbociclib each day in 28-day cycles.
Palbociclib (Ibrance) is an oral capsule or tablet administered once daily with food on Days 1-21 of every 28-day cycle in combination with telaglenestat.
Days 22-28 of every cycle, palbociclib is not taken.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Safety and Tolerability of telaglenestat (CB-839) in combination with palbociclib: (CR) number of participants with treatment related adverse events
Time Frame: Start of treatment to 28 days post treatment
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Number of participants with treatment related adverse events as assessed by CTCAE v5.0
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Start of treatment to 28 days post treatment
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Maximum tolerated dose and/or Recommended Phase 2 Dose:
Time Frame: Measured from Part 1 patients only within their first 28 day cycle
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Incidence and nature of dose-limiting toxicities
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Measured from Part 1 patients only within their first 28 day cycle
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Maximum plasma concentration of telaglenastat and palbociclib:
Time Frame: PKs are drawn on two different days (Day 8 and Day 15) during Cycle 1
|
Non-compartmental method of analysis will be used to analyze the plasma concentrations
|
PKs are drawn on two different days (Day 8 and Day 15) during Cycle 1
|
Anti-tumor activity of telaglenestat and palbociclib:
Time Frame: Approximately every 8 weeks until disease progression, for approximately 18 months
|
Change in tumor size from baseline
|
Approximately every 8 weeks until disease progression, for approximately 18 months
|
Collaborators and Investigators
Sponsor
Investigators
- Study Director: Emil Kuriakose, MD, Calithera Biosciences, Inc
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- CX-839-012
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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