- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00118157
Lapatinib and Tamoxifen in Treating Patients With Locally Advanced or Metastatic Breast Cancer That Did Not Respond to Previous Tamoxifen
A Phase II Study of GW572016 and Tamoxifen in Patients With Metastatic Breast Cancer Resistant to Single-Agent Tamoxifen
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
PRIMARY OBJECTIVES:
I. To determine the response rate (complete response and partial response) of tamoxifen (tamoxifen citrate) and GW572016 (lapatinib ditosylate) in women with hormone refractory, metastatic breast cancer.
II. To describe the changes in phosphorylation of epidermal growth factor receptor (EGFR), human EGFR 2 (her2), protein B kinase (AKT) kinase, mitogen activated protein kinase (MAPK), estrogen receptor (ER)-Serine (Ser) 118, and ER-Ser167 in tumor tissue after administration of tamoxifen and GW572016.
OUTLINE:
Patients receive lapatinib ditosylate orally (PO) daily and tamoxifen citrate PO daily. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity.
After completion of study treatment, patients are followed up at 1 month and then every 3 months thereafter.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
-
-
Michigan
-
Detroit, Michigan, United States, 48201
- Wayne State University/Karmanos Cancer Institute
-
Detroit, Michigan, United States, 48201
- Harper University Hospital - DMC
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Primary adenocarcinoma of the breast confirmed by histology or cytology
- Locally advanced or metastatic disease not amenable to surgery or radiation therapy with curative intent
- Estrogen and/or progesterone receptor positive cancer
- Patients have failed hormonal manipulation with tamoxifen, either showing no response (primary resistance) to initial therapy or relapse/progression after showing initial response (secondary failure)
- At least 1 measurable (target) lesion (i.e. any malignant tumor mass that can be accurately measured in at least 1 dimension, >= 20 mm with conventional radiographic techniques or >= 10 mm with magnetic resonance imaging [MRI] or spiral computerized tomography [CT] scans), in a previously un-irradiated area
- No more than 450 mg/m^2 of prior doxorubicin
- Life expectancy >= 3 months
- Eastern Cooperative Oncology Group (ECOG) performance status =< 2 (Karnofsky >= 60%)
- Absolute neutrophil count (ANC) >= 1500/mm^3
- Platelets >= 100,000/mm^3
- Hemoglobin >= 9.0 g/dL
- Creatinine (Cr) =< upper limit of normal (ULN) or Cr clearance > 60 mL/min/m^2
- Total bilirubin =< 1.5 x ULN
- Alanine aminotransferase (ALT) =< 1.5 x ULN or =< 3 x ULN with liver metastases
- Aspartate aminotransferase (AST) =< 5 x ULN or =< 3 x ULN with liver metastases
- Cardiac ejection fraction within the institutional range of normal as measured by echocardiogram or multi gated acquisition scan (MUGA) scan; (note that baseline and on-treatment scans should be performed using the same modality and preferably at the same institution)
- Patients on oral anticoagulants (Coumadin, warfarin) should either be switched to low molecular weight heparin or have a very close monitoring of international normalized ratio (INR), if continued on Coumadin
- Negative serum pregnancy test within 7 days of enrollment for pre-menopausal women and women within 6 months of menopause; should a woman become pregnant or suspect she is pregnant while participating in this study, she should inform her treating physician immediately; both men and women should be counseled in contraceptive use due to unknown effects of the drug on the fetus and breast feeding should be avoided
- Ability to understand and the willingness to sign a written informed consent document
- Ability to swallow and retain oral medication
Exclusion Criteria:
- Patients who have had prior treatment with EGFR and or Her-2 targeting therapies (prior trastuzumab combined with chemotherapy in the adjuvant setting only is allowed, but the combination of trastuzumab with hormonal therapy is not allowed)
- Current treatment with any other anti-neoplastic agent, including trastuzumab; patients may continue to receive zoledronic acid for bone metastases or hypercalcemia
- Radiation therapy within 2 weeks of enrollment or surgery within 4 weeks
- Rapidly progressive disease in major organs (i.e. lymphangitic spread, bulky liver metastasis) or known brain/leptomeningeal metastatic disease requiring active therapy; (patients with asymptomatic, stable previously treated metastases to the central nervous system and surrounding tissues are eligible; however patients must not have a requirement for corticosteroids due to central nervous system metastases at the time of study entry)
- Any of the following conditions within 6 months of enrollment: myocardial infarction, severe/unstable angina, symptomatic congestive heart failure, cerebrovascular accident or transient ischemic attack, coronary/peripheral artery bypass grafting; patients who have experienced a pulmonary embolus, deep venous thrombosis or other clinically significant thromboembolic event within 6 months of enrollment are eligible if they are clinically stable on anticoagulation therapy
- Pregnancy or breast feeding; breastfeeding should be discontinued if the mother is treated with GW572016; female patients must agree to use effective contraception during the study period, be surgically sterile, or be post-menopausal; in addition, male patients will be required to use effective contraception during the study period or be surgically sterile; the definition of effective contraception will be based on the judgment of the investigator
- Human immunodeficiency virus (HIV)-positive patients receiving combination anti-retroviral therapy are excluded from the study
- History of allergic reactions attributed to compounds of similar chemical or biologic composition to GW572016
- Patients with gastrointestinal (GI) tract disease resulting in an inability to take oral medication, malabsorption syndrome, a requirement for intravenous (IV) alimentation, prior surgical procedures affecting absorption, or uncontrolled inflammatory GI disease (e.g., Crohn's, ulcerative colitis)
- Treatment with any agents that interact with cytochrome P450 3A should be avoided and used with caution, if necessary; when possible, patients should be switched to alternative medications; patients requiring anticoagulation should either be switched to a low molecular weight heparin injection or have a very close monitoring of INR, if continued on Coumadin
- Previous (within 5 years of enrollment) or current malignancies at other sites, except adequately treated basal cell or squamous cell skin cancers and carcinoma in situ of the cervix
- Other severe acute or chronic medical or psychiatric conditions or laboratory abnormality that may increase the risk associated with study participation or study drug administration or may interfere with interpretation of study results and, in the judgment of the investigator, would make the patient inappropriate for study entry
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Treatment (lapatinib, tamoxifen)
Patients receive lapatinib ditosylate PO daily and tamoxifen citrate PO daily.
Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity.
|
Correlative studies
Given PO
Other Names:
Given PO
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Tumor Response Rate (Complete and Partial) Assessed by Response Evaluation Criteria in Solid Tumors (RECIST)
Time Frame: 4 weeks
|
4 weeks
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Changes in Phosphorylation in Tumor Tissue of Epidermal Growth Factor Receptor (EGFR), HER2, AKT Kinase, MAPK, ER-Ser118, and ER-SER167
Time Frame: Baseline and at 21 days
|
Baseline and at 21 days
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Elaina Gartner, Barbara Ann Karmanos Cancer Institute
Study record dates
Study Major Dates
Study Start
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
Additional Relevant MeSH Terms
- Skin Diseases
- Neoplasms by Histologic Type
- Neoplasms
- Neoplasms by Site
- Neoplasms, Glandular and Epithelial
- Breast Diseases
- Breast Neoplasms
- Carcinoma
- Breast Neoplasms, Male
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Enzyme Inhibitors
- Antineoplastic Agents
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Antineoplastic Agents, Hormonal
- Protein Kinase Inhibitors
- Hormone Antagonists
- Bone Density Conservation Agents
- Estrogen Antagonists
- Selective Estrogen Receptor Modulators
- Estrogen Receptor Modulators
- Tamoxifen
- Lapatinib
Other Study ID Numbers
- NCI-2009-00080 (Registry Identifier: CTRP (Clinical Trial Reporting Program))
- P30CA022453 (U.S. NIH Grant/Contract)
- U01CA062487 (U.S. NIH Grant/Contract)
- CDR0000433388
- C-2876 (Other Identifier: Wayne State University/Karmanos Cancer Institute)
- 6724 (Other Identifier: CTEP)
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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