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A drug that targets HER2, called Tykerb, now is being used to test this new dosing strategy. In the clinical trial, women with advanced breast cancer are being treated with large, intermittent dosages of the drug instead of with daily, lower-dosage treatment. The larger dosage should more effectively kill tumor cells, Moasser, says. Breaks in treatment are intended to limit side effects.
The Phase 1 clinical trial is open to women with HER2-positive breast cancers that continue to grow after prior treatment with standard therapies.
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