- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02260531
Cabozantinib +/- Trastuzumab In Breast Cancer Patients w/ Brain Metastases
A Phase II Study of Cabozantinib Alone or in Combination With Trastuzumab in Breast Cancer Patients With Brain Metastases
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This research study is a Phase II clinical trial. Phase II clinical trials test the safety and effectiveness of an investigational intervention to learn whether the intervention works in treating a specific disease. "Investigational" means that the intervention is being studied.
The FDA (the U.S. Food and Drug Administration) has not approved cabozantinib for your specific disease but it has been approved for other uses.
Few treatments exist for brain metastases from breast cancer. Radiation and surgery are generally included as a possible standard of care treatments for this diagnosis.
In this research study, the investigator are looking at how well cabozantinib works in treating breast cancer that has spread to the brain. Cabozantinib has been used in some phase I studies and information from those other research studies suggests that cabozantinib may help to shrink or stabilize the participant's breast cancer. In addition, information from these studies has shown that cabozantinib may pass through the blood brain barrier (a protective layer that prevents most large molecules and cells found in the blood from entering the brain tissue) and may be an effective treatment for brain metastases.
If the participant has HER2-positive breast cancer, they will receive trastuzumab in addition to cabozantinib. Trastuzumab is an FDA approved drug for the treatment of HER2-positive metastatic breast cancer. However, the combination of cabozantinib and trastuzumab has not yet been tested. Trastuzumab may help to shrink or stabilize breast cancer in combination with cabozantinib. If the participant's breast cancer is HER2-negative, they will not receive trastuzumab as part of this clinical trial.
The names of the study interventions involved in this study are:
- Cabozantinib (XL184)
- Trastuzumab (herceptin) (participants with HER2-positive disease only)
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
-
-
Massachusetts
-
Boston, Massachusetts, United States, 02215
- Dana-Farber Cancer Institute
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Boston, Massachusetts, United States, 02114
- Massachusetts General Hospital
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients must have histologically or cytologically confirmed invasive breast cancer, with stage IV disease.
- New or progressive CNS lesions, as assessed by the patient's treating physician.
- For patients who have received prior cranial radiation, no increase in corticosteroid dose in the week prior to the baseline brain MRI
- Discontinued prior therapy (with the exception of trastuzumab for patients with HER2+ breast cancer)
- Recovery to baseline or ≤ Grade 1 CTCAE v.4.0 from toxicities related to any prior treatments, unless AE(s) are clinically nonsignificant and/or stable on supportive therapy;
- The subject has an ECOG performance status of 0 or 1
- Patients must have normal organ and marrow function and laboratory values as follows within 14 days before the first dose of cabozantinib
- Sexually active subjects (men and women) must agree to use medically accepted barrier methods of contraception (e.g., male or female condom) during the course of the study and for 4 months after the last dose of study drug(s)
- Subjects of childbearing potential must not be pregnant at screening.
- Patients on bisphosphonates may continue receiving bisphosphonate therapy during study. Patients wanting to initiate bisphosphonate therapy may do so.
- The subject has had an assessment of all known disease sites eg, by computerized tomography (CT) scan, magnetic resonance imaging (MRI), bone scan as appropriate, within 28 days before the first dose of cabozantinib
Exclusion Criteria:
- The subject has received cabozantinib or another c-Met inhibitor (please note ARQ 197 is not considered a MET inhibitor for purposes of this study given data to suggest it inhibits tubulin)
- The subject has uncontrolled, significant intercurrent or recent illness
- Leptomeningeal disease as the only site of CNS involvement
- Known contraindication to MRI with gadolinium contrast, such as cardiac pacemaker, shrapnel, or ocular foreign body
- More than 2 seizures over the last 4 weeks prior to study entry
- Grade 1 or higher CNS hemorrhage on baseline brain MRI, or history of grade 2 or higher CNS hemorrhage within 12 months
- Has experienced clinically-significant GI bleeding within 6 months before first dose of cabozantinib; hemoptysis of ≥ 0.5 teaspoon (2.5ml) of red blood within 3 months before the first dose of cabozantinib; any other signs indicative of pulmonary hemorrhage within 3 months before the first dose of cabozantinib
- The subject has tumor in contact with, invading or encasing any major blood vessels
- The subject has evidence of tumor invading the GI tract (esophagus, stomach, small or large bowel, rectum or anus), or any evidence of endotracheal or endobronchial tumor within 28 days before the first dose of cabozantinib
- The subject requires concomitant treatment, in therapeutic doses, with anticoagulants. Low dose aspirin (≤ 81 mg/day), low-dose warfarin ( ≤1 mg/day), and prophylactic LMWH are permitted.
- The subject has prothrombin time (PT)/INR or partial thromboplastin time (PTT) test ≥1.3 × the laboratory ULN within 7 days before the first dose of cabozantinib.
- Inability to swallow intact tablets
- Pregnant or lactating females
- Diagnosis of another malignancy within 2 years before the first dose of cabozantinib, except for superficial skin cancers, or localized, low grade tumors deemed cured and not treated with systemic therapy
- Subjects with clinically relevant ongoing complications from prior radiation therapy are not eligible
- The subject is known to be positive for the human immunodeficiency virus (HIV)
- Subjects with clinically relevant ongoing complications from prior surgery are not eligible
- QTcF > 500 msec on average of screening EKGs performed within 28 days of first dose of cabozantinib. Three EKGs must be performed at screening. If the average of these three consecutive results for QTcF is > 500 msec, the subject is ineligible.
- Active infection requiring IV antibiotics at Day 1 of cycle 1
- No prior lapatinib within 7 days prior to initiation of protocol treatment
- Receive concurrent investigational agents while on study
- Receive any concurrent chemotherapy, radiotherapy, or hormonal therapy while on study
- Previously identified allergy or hypersensitivity to components of the cabozantinib formulations
- The subject requires chronic concomitant treatment with strong CYP3A4 inducers
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Cohort 1 - Cabozantinib, Trastuzumab for HER2+
HER2-positive
|
Other Names:
Other Names:
|
Experimental: Cohort 2 - Cabozantinib for ER+ and/or PR+
Hormone receptor-positive (ER+ and/or PR+) - Cabozantinib- orally administered daily per treatment cycle, 60 mg per day Cycle duration equals 3 weeks. Patients are treated indefinitely based on unacceptable toxicity, disease progression, or withdrawal for other reasons. |
Other Names:
|
Experimental: Cohort 3 - Cabozantinib for ER-, PR-, HER2-
Triple negative (ER-, PR-, HER2-) - Cabozantinib- orally administered daily per treatment cycle, 60 mg per day Cycle duration equals 3 weeks. Patients are treated indefinitely based on unacceptable toxicity, disease progression, or withdrawal for other reasons. |
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
CNS Objective Response Rate (ORR)
Time Frame: Disease assessments occurred every 6 cycles. Patients with stable or responsive disease after completion of 6 cycles could reduce frequency of assessments to every 3 cycles. Response was evaluated up to 25 months.
|
The central nervous system (CNS) ORR was defined as the percentage of participants achieving complete response (CR) or partial response (PR) based on RECIST 1.1 criteria in the evaluation CNS lesions on treatment: CR is complete disappearance of all target lesions and PR is at least a 30% decrease in the sum of longest diameter (LD) of target lesions, taking as reference baseline sum LD.
PR or better overall response assumes at a minimum incomplete response/stable disease (SD) for the evaluation of non-target lesions and absence of new lesions.
|
Disease assessments occurred every 6 cycles. Patients with stable or responsive disease after completion of 6 cycles could reduce frequency of assessments to every 3 cycles. Response was evaluated up to 25 months.
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
CNS Volumetric Objective Response Rate (ORR)
Time Frame: Disease assessments occurred every 6 cycles. Patients with stable or responsive disease after completion of 6 cycles could reduce frequency of assessments to every 3 cycles. Response was evaluated up to 25 months .
|
CNS volumetric ORR was defined as the percentage of participants achieving complete response (CR) or partial response (PR) defined as: CR
ORR also requires:
|
Disease assessments occurred every 6 cycles. Patients with stable or responsive disease after completion of 6 cycles could reduce frequency of assessments to every 3 cycles. Response was evaluated up to 25 months .
|
Non-CNS Objective Response Rate (ORR)
Time Frame: Disease assessments occurred every 6 cycles. Patients with stable or responsive disease after completion of 6 cycles could reduce frequency of assessments to every 3 cycles. Response was evaluated up to 25 months.
|
The non-central nervous system (CNS) ORR was defined as the percentage of participants achieving complete response (CR) or partial response (PR) based on RECIST 1.1 criteria in the evaluation non-CNS lesions on treatment: CR is complete disappearance of all target lesions and PR is at least a 30% decrease in the sum of longest diameter (LD) of target lesions, taking as reference baseline sum LD.
PR or better overall response assumes at a minimum incomplete response/stable disease (SD) for the evaluation of non-target lesions and absence of new lesions.
|
Disease assessments occurred every 6 cycles. Patients with stable or responsive disease after completion of 6 cycles could reduce frequency of assessments to every 3 cycles. Response was evaluated up to 25 months.
|
Median Progression-Free Survival (PFS)
Time Frame: Disease assessments occurred every 6 cycles. Patients with stable or responsive disease after completion could reduce frequency to every 3 cycles. In long-term follow-up, assessments occurred every 6 months until death. Follow-up time is up to 25 months.
|
Progression-free survival based on the Kaplan-Meier method is defined as the duration of time from study entry to documented disease progression (PD) or death.
Per RECIST 1.1 criteria: progressive disease (PD) is at least a 20% increase in the sum of longest diameter (LD) of target lesions taking as reference the smallest sum LD recorded since the treatment started or the appearance of one or more new lesions.
PD for the evaluation of non-target lesions is the appearance of one or more new lesions and/or unequivocal progression of non-target lesions.
|
Disease assessments occurred every 6 cycles. Patients with stable or responsive disease after completion could reduce frequency to every 3 cycles. In long-term follow-up, assessments occurred every 6 months until death. Follow-up time is up to 25 months.
|
12-Week Clinical Benefit Rate
Time Frame: Evaluate at 12 weeks.
|
Clinical benefit rate (CBR) was defined as the percentage of patients achieving complete response (CR), partial response (PR), or stable disease (SD) based on RECIST 1.1 criteria by 12 weeks.
Per RECIST 1.1 for target lesions: CR is complete disappearance of all target lesions and PR is at least a 30% decrease in the sum of longest diameter (LD) of target lesions, taking as reference baseline sum LD.
PD is at least a 20% increase in sum LD of target lesions (smallest sum LD reference), new lesions, and/or unequivocal progression of existing non-target lesions.
Stable disease (SD) is defined as any condition not meeting the above criteria.
|
Evaluate at 12 weeks.
|
First Progression Site
Time Frame: Disease assessments occurred every 6 cycles. Patients with stable or responsive disease after completion could reduce frequency to every 3 cycles. In long-term follow-up, assessments occurred every 6 months until death. Follow-up time is up to 25 months.
|
Site that a patient has his/her first tumor progression (CNS vs Non-CNS)
|
Disease assessments occurred every 6 cycles. Patients with stable or responsive disease after completion could reduce frequency to every 3 cycles. In long-term follow-up, assessments occurred every 6 months until death. Follow-up time is up to 25 months.
|
Overall Survival (OS)
Time Frame: Off-treatment patients followed every 6 months until death. Follow-up time is up to 25 months.
|
OS based on the Kaplan-Meier method is defined as the time from study entry to death or censored at date last known alive.
|
Off-treatment patients followed every 6 months until death. Follow-up time is up to 25 months.
|
Incidence of Grade 4 Treatment-Related Toxicity
Time Frame: Participants should be re-evaluated for response every 6 weeks. Patients with stable or responsive disease after completion of 6 cycles may have the frequency of scans reduced to once every 3 cycles, and in long-term follow-up every 6 months until death.
|
All grade 4 adverse events (AE) with treatment attribution of possibly, probably or definite based on CTCAEv4 as reported on case report forms were counted.
Incidence is the number of patients experiencing at least one treatment-related grade 4 AE of any type during the time of observation.
|
Participants should be re-evaluated for response every 6 weeks. Patients with stable or responsive disease after completion of 6 cycles may have the frequency of scans reduced to once every 3 cycles, and in long-term follow-up every 6 months until death.
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Sara Tolaney, MD, MPH, Dana-Farber Cancer Institute
Publications and helpful links
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 (Estimate)
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
- Pathologic Processes
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Skin Diseases
- Neoplasms
- Neoplasms by Site
- Breast Diseases
- Neoplastic Processes
- Central Nervous System Neoplasms
- Nervous System Neoplasms
- Breast Neoplasms
- Neoplasm Metastasis
- Brain Neoplasms
- Antineoplastic Agents
- Antineoplastic Agents, Immunological
- Trastuzumab
Other Study ID Numbers
- 14-359
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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