There are about 2656 clinical studies being (or have been) conducted in Puerto Rico. The country of the clinical trial is determined by the location of where the clinical research is being studied. Most studies are often held in multiple locations & countries.
RATIONALE: Drugs used in chemotherapy use different ways to stop cancer cells from dividing so they stop growing or die. PURPOSE: Phase II trial to study the effectiveness of arsenic trioxide in treating patients who have relapsed or refractory acute lymphoblastic leukemia.
RATIONALE: Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. Combining more than one drug may kill more tumor cells. It is not yet known which combination chemotherapy regimen is more effective for treating non-small cell lung cancer. PURPOSE: Randomized phase II trial to compare the effectiveness of two combination chemotherapy regimens in treating patients who have non-small cell lung cancer.
RATIONALE: Drugs used in chemotherapy use different ways to stop cancer cells from dividing so they stop growing or die. Combining more than one drug may kill more cancer cells. PURPOSE: Phase II trial to study the effectiveness of combination chemotherapy in treating patients who have non-Hodgkin's lymphoma or acute lymphocytic leukemia.
RATIONALE: Interferon alfa-2b may interfere with the growth of the cancer cells. Thalidomide may stop the growth of cancer by stopping blood flow to the tumor. It is not yet known if interferon alfa-2b is more effective with or without thalidomide in treating kidney cancer. PURPOSE: Randomized phase III trial to compare the effectiveness of interferon alfa-2b with or without thalidomide in treating patients who have previously untreated metastatic or unresectable kidney cancer.
RATIONALE: Drugs used in chemotherapy use different ways to stop cancer cells from dividing so they stop growing or die. Monoclonal antibodies such as gemtuzumab ozogamicin can locate cancer cells and either kill them or deliver cancer-killing substances to them without harming normal cells. Combining more than one drug or combining monoclonal antibody with chemotherapy may kill more cancer cells. It is not yet known which treatment regimen is more effective for acute myelogenous leukemia. PURPOSE: Randomized phase II trial to compare the effectiveness of three treatment regimens in treating patients who have relapsed or refractory acute myelogenous leukemia.
The purpose of this study is to compare the safety and effectiveness of 2 forms of stavudine (d4T). One form is taken once a day (extended release) and the other form is taken twice a day (immediate release).
RATIONALE: Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. Giving drugs in different ways may kill more tumor cells. It is not yet known whether giving vinorelbine by mouth or infusion is more effective in treating non- small cell lung cancer. PURPOSE: Randomized phase II trial to compare the effectiveness of vinorelbine given by mouth or as an infusion in treating patients who have stage IIIB or stage IV non-small cell lung cancer.
This trial is designed to test the efficacy of fluoxetine to improve patient's quality of life during chemotherapy. An innovative application of a selective serotonin reuptake inhibitor may modulate the effects of fatigue, anxiety and depression which worsen quality of life.
RATIONALE: Monoclonal antibodies such as rituximab can locate cancer cells and deliver tumor-killing substances to them without harming normal cells. PURPOSE: Phase II trial to study the effectiveness of rituximab in treating patients who have Waldenstrom's macroglobulinemia.
RATIONALE: Drugs used in chemotherapy use different ways to stop cancer cells from dividing so they stop growing or die. Combining more than one drug may kill more cancer cells. It is not yet known which regimen of chemotherapy is more effective for acute lymphoblastic leukemia. PURPOSE: This randomized phase III trial is comparing four regimens of combination chemotherapy to see how well they work in treating children with newly diagnosed acute lymphoblastic leukemia.