- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00470704
Lapatinib in Combination With Trastuzumab in Patients With HER2-Positive, Metastatic Breast Cancer
A Phase 2 Study of Lapatinib in Combination With Trastuzumab in Patients With HER2-Positive, Metastatic Breast Cancer
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
- Participants will be asked to undergo a biopsy of an area of the body where the cancer has spread.
- Participants will be given a study medication-dosing calendar for each treatment cycle. Each treatment cycle lasts four weeks during which time you will be taking lapatinib, once per day.
- Participants will receive Herceptin once every week or once every 3 weeks through a vein.
- During all treatment cycles a physical exam will be performed and questions about the participants general health will be asked. Blood tests including chemistry and hematology will be performed to measure additional effect of the study drug and disease status. Photographs may be taken of the tumor to assess the response of the tumor to treatment.
- CT scans will be repeated every 8 weeks to assess the effect of the study treatment on the cancer. Either a MUGA scan or echocardiogram will be performed 8 weeks and 16 weeks after the participant starts the study treatment.
- Participants will remain on this research study for as long as they are benefiting from the study treatment.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Alabama
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Birmingham, Alabama, United States, 35294
- University fo Alabama at Birmingham
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Illinois
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Chicago, Illinois, United States, 60452
- University of Chicago
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Massachusetts
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Boston, Massachusetts, United States, 02215
- Beth Israel Deaconess Medical Center
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Boston, Massachusetts, United States, 02215
- Dana-Farber Cancer Institute
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Boston, Massachusetts, United States, 02130
- Dana-Farber at Faulkner Hospital
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Minnesota
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Rochester, Minnesota, United States, 55905
- Mayo Clinic
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North Carolina
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Chapel Hill, North Carolina, United States, 27599
- University of North Carolina
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Tennessee
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Nashville, Tennessee, United States, 37232
- Vanderbilt University
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Texas
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Houston, Texas, United States, 77030
- Baylor college of medicine
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Histologically or cytologically confirmed invasive breast cancer, with stage IV disease
- HER2-positive breast cancer, defined as 3+ staining by IHC or gene amplification by FISH
- Measurable disease, defined as at least one lesion that can be accurately measured in at least one dimension
- Willingness to undergo a research biopsy of recurrent or metastatic disease
- Prior chemotherapy treatment must be discontinued for at least 2 weeks prior to study entry.
- Completed radiation therapy at least 7 days prior to beginning protocol treatment
- Cohort 1: No prior chemotherapy for advanced breast cancer; no prior trastuzumab in the advanced breast cancer setting; nor prior treatment with lapatinib or other HER2-directed therapy other than trastuzumab
- Cohort 2: Up to two prior chemotherapy regimens for the treatment of advanced breast cancer; no prior treatment with lapatinib or other HER2-directed therapy except for trastuzumab
- 18 years of age or older
- Life expectancy of greater than 12 weeks
- ECOG Performance Status 0-2
- Normal organ and marrow function as outlined in protocol
- Cardiac ejection fraction, as assessed by either MUGA scan or echocardiogram greater than or equal to 50%
- Able to take oral medications
Exclusion Criteria:
- Patients may not be receiving any other investigational agents or concurrent chemotherapy or hormonal therapy for treatment of metastatic disease
- Active brain metastases
- History of allergic reactions attributed to compounds of similar chemical or biologic composition to lapatinib or other agents used in this study
- Clinically significant malabsorption syndrome
- Uncontrolled intercurrent illness
- Pregnant or breastfeeding women
- Concurrent use of the medications listed in the protocol because of possible interaction with lapatinib
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: Cohort 1
This cohort is made up of participants without prior trastuzumab for MBC. Adjuvant or neoadjuvant trastuzumab was allowed, if the interval from trastuzumab completion to recurrence exceeded 1 year. 1000 mg daily Lapatinib 2 mg/kg weekly or 6 mg/kg every 3 week dose of trastuzumab |
Other Names:
Other Names:
|
Other: Cohort 2
This cohort is made up of participants with one to two lines of chemotherapy for metastatic disease with at least one trastuzumab-containing regimen or patients who recurred within 12 months of adjuvant or neoadjuvant trastuzumab with up to one line of metastatic trastuzumab-based therapy 1000 mg daily Lapatinib 2 mg/kg weekly or 6 mg/kg every 3 week dose of trastuzumab |
Other Names:
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Objective Response Rate
Time Frame: 8 weeks
|
The objective response rate is the percentage of participants achieving complete response (CR) or partial response (PR) as the best response recorded on treatment based on Response Evaluation Criteria In Solid Tumors Criteria (RECIST 1.1) criteria. CR and PR must meet the following lesion criteria without having any new lesions as well: Target Lesion: (CR): Disappearance of all target lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to <10 mm. (PR): At least a 30% decrease in the sum of the diameters of target lesions, taking as reference the baseline sum diameters. Non-Target Lesion: (CR): Disappearance of all non-target lesions and normalization of tumor marker level. All lymph nodes must be non-pathological in size (<10 mm short axis). Non-CR/Non-Progressive Disease: Persistence of one or more non-target lesion(s) and/or maintenance of tumor marker level above the normal limits. Must have PR in target lesion. |
8 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Top 3 Most Common Treatment RelatedToxicities
Time Frame: Up to 93 months
|
Assessed by -Common Terminology Criteria for Adverse Events (CTCAE) version 4.0. Top 3 treatment-related all-grade adverse events in terms of incidence. Treatment Related is discerned as follows: Yes: There is a plausible temporal relationship between the onset of the AE and administration of atezolizumab or bevacizumab, and the AE cannot be readily explained by the patient's clinical state, intercurrent illness, or concomitant therapies; and/or the AE follows a known pattern of response to atezolizumab or bevacizumab or with similar treatments; and/or the AE resolves upon discontinuation of the study drugs or dose reduction and, if applicable, reappears upon re-challenge. No: Evidence exists that the AE has an etiology other than the study drugs (e.g., pre existing medical condition, underlying disease, intercurrent illness, or concomitant medication); and/or the AE has no plausible temporal relationship to the study drugs administration. |
Up to 93 months
|
Sites of First Progression
Time Frame: Up to 93 months
|
Progression is defined by Response Evaluation Criteria In Solid Tumors Criteria 1.1 (RECIST) as follows: - >20% increase in the sum of the diameters of target lesions, taking as reference the smallest sum on study (including baseline if it's the smallest). The sum must also demonstrate an increase of >5 mm. OR -Appearance of new lesions and/or unequivocal progression of non-target lesions. It must be representative of overall disease status change, not a single lesion increase. For patients with PD at the first on-treatment imaging assessment, patients will be allowed to remain on study until confirmation at the next assessment at investigator discretion if patient is benefiting from treatment. |
Up to 93 months
|
Clinical Benefit Rate
Time Frame: Up to 93 months
|
Clinical Benefit Rate is the percentage of participants who achieve clinical benefit from the study treatment. Clinical benefit is defined as at least 24 weeks of confirmed Complete Response (CR), Partial Response (PR), or Stable Disease (SD). SD or better is achieved if the following are true: Target Lesions: -At least a 20% increase in the sum of the diameters of target lesions, taking as reference the smallest sum on study (this includes the baseline sum if that is the smallest on study). In addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm. Non-target Lesions: No progression. No appearance new lesions or unequivocal progression of existing non-target lesions. Unequivocal progression should not normally trump target lesion status. It must be representative of overall disease status change, not a single lesion increase. |
Up to 93 months
|
3-Year Overall Survival
Time Frame: Up to 93 months
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Overall Survival (OS) is defined as the time from randomization (or registration) to death due to any cause, or censored at date last known alive.
3-Year survival is calculated using Kaplan-Meier methods.
|
Up to 93 months
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Median Time to Progression
Time Frame: Up to 93 months
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Time to progression (TTP) is defined as the time from study entry to disease progression by RECIST. Subjects are considered to have progressed if they discontinue treatment due to clinical deterioration from breast cancer or die on-treatment of any cause. TTP is censored at the time of initiation of alternative therapy or time of last contact. The time to progression is calculated using a Kaplan-Meier emthods. Progression is defined by RECIST as: >20% increase in the sum of the diameters of target lesions, taking as reference the smallest sum on study (including baseline if it's the smallest). The sum must also demonstrate an increase of >5 mm. OR Appearance of new lesions and/or unequivocal progression of non-target lesions. It must be representative of overall disease status change, not a single lesion increase. |
Up to 93 months
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Nancy Lin, MD, Dana-Farber Cancer Institute
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimated)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 06-213
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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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