At UCLA's Jonsson Comprehensive Cancer Center (JCCC), our award-winning researchers have set an admirable pace to establish themselves in a rapidly changing field. Among their most notable accomplishments:
Pioneering Targeted Cancer Therapies
Dr. Dennis Slamon discovered the relationship between the HER-2/neu gene and an aggressive form of breast cancer found in about 30 percent of patients. This discovery led to the development of the new breast cancer drug Herceptin, approved by the FDA on September 25, 1998, making it the first approved treatment that attacks cancer at its genetic roots. Slamon has been honored for his efforts by the National Breast Cancer Coalition, Americans for Medical Progress and the American Association for Cancer Research.
JCCC was one of three sites nationwide to conduct the first human tests on Gleevec, a once-a-day pill for a common form of adult leukemia called chronic myelogenous leukemia (CML). Much of the pioneering work done to link the Bcr-Abl gene and its mutant protein with CML was done at JCCC by Dr. Owen Witte, a professor of microbiology, immunology and molecular genetics and a renowned investigator with the Howard Hughes Medical Institute. The findings served as a basis for the evolution of Gleevec, a molecularly targeted therapy that attacks the mutant Bcr-Abl protein. Dr. Charles Sawyers, who participated in Witte´s research, conducted early-phase clinical trials of Gleevec at UCLA as well as later studies of CML patients in myeloid blast crisis, the final stage of the disease that is usually fatal within four to six months. Gleevec, developed by Novartis Pharmaceuticals Corp., also is being studied as a possible treatment for gastrointestinal stromal tumors.
Drs. Sanjiv Sam Gambhir, Jorge Barrio, Simon Cherry, Harvey Herschman, Michael Phelps and Nagichettiar Satyamurthy were the first to develop a novel technology that essentially renders the body transparent and allows physicians to determine whether gene therapies reach targeted cells and work as they should. Using a specially designed "reporter" gene and positron emission tomography (PET) scanners to establish pictures of gene therapies at work in the body, UCLA researchers test the tracking system in prostate cancer patients and work with researchers at other institutions to help them evaluate other gene therapy studies for cancer patients.
Dr. Mark Pegram led the team of JCCC doctors who were the first to treat ovarian cancer patients with gene therapy using the p53 tumor suppressor gene.
Improving Treatment For Cancer Patients
Dr. Fred Eilber developed a limb salvage technique that now serves as a national model. He treats sarcoma patients with chemotherapy before surgery, avoiding limb amputation that would otherwise be required.
Drs. Mary Territo and John Glaspy used megakaryocyte growth and development factor (MGDF) for the first time to speed up a cancer patient´s bone marrow recovery after transplant. Glaspy used MGDF to accelerate platelet cell recovery.
Dr. Judith C. Gasson and her colleagues purified GM-CSF, the first human growth factor ever purified, which shortened from about five weeks to two weeks the time it takes for cancer patients to recover their white blood cell counts after bone marrow transplants.
Drs. Robert Figlin and Arie Belldegrun developed a new approach to treating metastatic kidney cancer by combining biologic and cellular therapies to extend remission times.
JCCC opened the first multidisciplinary breast cancer center on the West Coast, the Revlon/UCLA Breast Center, which provides in one location a comprehensive program for women with breast problems and those at high risk of developing breast cancer.
Advancing Translational Cancer Research
Dr. John Glaspy demonstrated for the first time that dietary regulation of certain fatty acids can change the composition of human breast tissue in such a way that it may be more resistant to cancer.
Dr. Charles Sawyers developed the first animal model for prostate cancer. Previously, there was no way to grow prostate cancer tumor cells outside a patient's body. The ability to grow those cells in animals provided researchers with a crucial new tool.
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