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Find 673 clinical trials for breast cancer near Philadelphia, Pennsylvania. Connect with research centers in your area.
Showing 541-560 of 673 trials
NCT01009437
RATIONALE: Ritonavir may stop the growth of tumor cells by blocking some of the enzymes needed for cancer cell growth. Studying samples of blood and tissue from patients with breast cancer in the laboratory may help doctors learn more about the effects of ritonavir on biomarkers involved in breast cancer growth. PURPOSE: This phase I/II trial is studying the best dose of ritonavir and its effects on biomarkers in women undergoing surgery for newly diagnosed breast cancer.
NCT00899145
This research study is looking at breast cancer risk in women who are BRCA1/BRCA2 mutation carriers. Studying samples of DNA in the laboratory from women who are BRCA1/BRCA2 mutation carriers may help doctors identify biomarkers related to cancer.
NCT00008346
RATIONALE: Screening tests may help doctors detect cancer cells early and plan more effective treatment for cancer. It is not yet known which type of mammography is more effective in detecting breast cancer. PURPOSE: Screening and diagnostic trial to compare the effectiveness of two types of mammography in detecting breast cancer in women.