Novel Capecitabine Dosing Schedule in Combination With Lapatinib, Based on the Norton-Simon Mathematical Method in Patients With HER2 Overexpressed/Amplified, Trastuzumab (Herceptin) -Refractory, Metastatic Breast Cancer

Breast Cancer Clinical Trial

Official title:
Phase II Study of a Novel Capecitabine Dosing Schedule in Combination With Lapatinib, Based on the Norton-Simon Mathematical Method in Patients With HER2 Overexpressed/Amplified, Trastuzumab (Herceptin) -Refractory, Metastatic Breast Cancer

Status Completed

Clinical Trial Summary

HER2 is a protein that sits on the surface of breast cancer cells in some people. Because you are one of these people, your breast cancer is called "HER2-positive." The HER2 protein is involved in the growth of your breast cancer. Certain drugs can interfere with the ability of the HER2 protein to cause breast cancer growth. Trastuzumab is one of these drugs. You must have already received trastuzumab as treatment for your breast cancer to be considered for this study.

Other drugs are being studied in women with HER2-positive breast cancer. Lapatinib (Tykerb™) blocks signals that stimulate HER2-positive breast cancers to grow. The FDA approved lapatinib for use with capecitabine (Xeloda™) in patients who have metastatic breast cancer that has grown or spread after treatment with trastuzumab.

Capecitabine was approved by the FDA in 1998 for treating metastatic breast cancer. Capecitabine is a pill that blocks the way cancer cells multiply and grow. Usually, this medicine is taken twice a day for fourteen days. Then, patients do not take the pill for seven days. With this schedule and dose, some patients have had side effects that interfered with their comfort. We have used mathematical models to recommend a new schedule of capecitabine. In animals, 7 days of treatment with capecitabine followed by a 7-day break was safer and more active against breast cancer. The purpose of this study is to find out what effect (both good and bad) capecitabine has on you and your breast cancer when given in this new schedule and combined with lapatinib.

Clinical Trial Description

n/a

Study Design

Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00721630
Study type	Interventional
Source	Memorial Sloan Kettering Cancer Center
Contact
Status	Completed
Phase	Phase 2
Start date	July 2008
Completion date	July 2016

View Details

See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.