- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00857714
Lapatinib for Treatment of Ductal Carcinoma In Situ (DCIS) of the Breast
Lapatinib in the Treatment of Ductal Carcinoma in Situ of the Breast
Study Overview
Detailed Description
Ductal carcinoma in situ (DCIS) of the breast is a pre-malignant lesion of the breast, which is associated with a marked increase in the likelihood of developing invasive breast cancer. Since DCIS tends to be associated with microcalcifications, it is detected with an increased frequency in patients being screened with mammographic techniques. The treatment of DCIS is based on a number of parameters; local treatment depends on the size of the lesion, grade and margins. The only systemic treatment currently available is in the form of endocrine therapy; it depends on the expression of estrogen receptor (ER). Randomized trials have shown that the treatment of DCIS with breast conserving therapy and radiation is as effective as simple mastectomy.
The efficacy of tamoxifen in reducing the incidence of further invasive or non-invasive breast cancer has been established. In addition to surgery (with or without radiation), patients with ER positive disease also receive anti-estrogen therapy. Current guidelines do not recommend any additional therapy for ER-negative DCIS.
The rationale for the proposed study is based on the observations that HER2 is expressed at high levels in higher grades of DCIS, which typically lack ER. In addition, an inverse relationship between ER expression and the expression of EGFR has also been demonstrated. Lapatinib is active against both these receptors and may have therapeutic action in ER negative DCIS.
We propose to treat the patients with drug in the interval between biopsy diagnosis and definitive surgery.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Indiana
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Indianapolis, Indiana, United States, 46202
- Indiana University
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age greater than or equal to 18 years.
- Patients with operable, biopsy-proven DCIS detected by screening mammography.
- ER/PR negative DCIS.
- DCIS that is positive for HER-2 &/or EGFR, which is defined as IHC 3+.
- Women of childbearing potential willing to use an accepted and effective barrier method of contraception.
- ECOG performance status ≤2
- Cardiac ejection fraction within the institutional range of normal as measured by echocardiogram.
- Ability to understand and the willingness to sign a written informed consent document.
Patients must have normal organ and marrow function as defined below:
- leukocytes ≥3,000/microL
- absolute neutrophil count ≥1,500/microL
- platelets ≥100,000/microL
- total bilirubin within normal institutional limits
- AST (SGOT)/ALT(SGPT) within normal institutional limits
- creatinine within normal institutional limits OR creatinine clearance greater than or equal to 60 mL/min/1.73 m2 for patients with creatinine levels above institutional normal (using Cockcroft-Gault formula)
Exclusion Criteria:
- Invasive breast cancer
- ER+ or PR+ DCIS
- Pregnant or breast feeding women
- Patients who have had prior treatment with EGFR targeting therapies.
- Patients may not be receiving any other investigational agents or receiving concurrent anticancer therapy. In addition, all herbal (alternative) medicines are excluded one week before starting lapatinib and for the duration of lapatinib therapy.
- Uncontrolled inter-current illness including, but not limited to, ongoing or active infection, or psychiatric illness/social situations that would limit compliance with study requirements.
- HIV-positive patients receiving combination anti-retroviral therapy are excluded from the study because of possible pharmacokinetic interactions with lapatinib.
- Have ANY hepatic or biliary disease or dysfunction.
- Patients with GI tract disease resulting in an inability to take oral medication, malabsorption syndrome, a requirement for IV alimentation, prior surgical procedures affecting absorption, uncontrolled inflammatory GI disease (e.g., Crohn's, ulcerative colitis).
- Concomitant requirement for medication classified as CYP3A4 inducers or inhibitors.
- ANY history of cardiac disease.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of Patients Where Gene Signature Was Obtained.
Time Frame: Up to 60 days
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Number of patients where gene signature was obtained.
This was used to identify gene signature that denotes effect of lapatinib therapy in breast cancer cell lines and to assess effect of lapatinib therapy in patients with ductal carinoma in situ of the breast using the gene signature developed as a surrogate marker.
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Up to 60 days
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of Patients With Toxicity Associated With Short Therapy With Lapatinib.
Time Frame: Up to 60 days
|
Number of patients with toxicity associated with short therapy with lapatinib will be reported.
|
Up to 60 days
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Sunil Badve, MD, Indiana University
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 (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Neoplasms by Histologic Type
- Neoplasms
- Adenocarcinoma
- Neoplasms, Glandular and Epithelial
- Neoplasms, Ductal, Lobular, and Medullary
- Breast Carcinoma In Situ
- Carcinoma in Situ
- Carcinoma
- Carcinoma, Ductal
- Carcinoma, Intraductal, Noninfiltrating
- Molecular Mechanisms of Pharmacological Action
- Enzyme Inhibitors
- Antineoplastic Agents
- Protein Kinase Inhibitors
- Lapatinib
Other Study ID Numbers
- 0812-11
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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