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Carcinogenesis clinical trials

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.

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NCT ID: NCT00250770 Withdrawn - Clinical trials for Endometrial Neoplasms

Colony-Stimulating Factor-1 (CSF-1) and Other Cytokines in Human Endometrial Carcinogenesis

Start date: January 1998
Phase:
Study type: Observational

The purposes of this study are the following: 1. To further characterize and quantify both CSF-1 and colony-stimulating factor-1 receptor (CSF-1R) expression from additional tumor specimens, specifically, tumors of high grade and from metastatic sites. 2. To assay using Enzyme-Linked ImmunoSorbent Assay (ELISA) sandwich monoclonal antibody methodology, CSF-1 expression in the peritoneal fluid and blood from patients with endometrial adenocarcinomas. 3. Using immunohistochemistry, to evaluate the presence of staining for CSF-1 and CSF-1R from additional patients with endometrial adenocarcinomas, especially of high grades and from metastatic sites. 4. To determine the extent of cytokine, specifically CSF-1, but also interleukin-1 (IL-1), IL-6, and granulocyte-macrophage colony-stimulating factor (GM-CSF), production, in endometrial carcinoma cells in primary cell culture. 5. To determine the responsiveness of epithelial cells on estrogen and antiestrogen binding, to determine if CSF-1 production is mediated, in these cells, by estrogen receptor binding, or alternative pathways of intracellular/cell-cell signal transduction. 6. The ultimate objective of these experiments is to characterize CSF-1 expression from benign and tumor cells in order to identify steps in the CSF-1 activated signalling pathways that may represent potential targets for therapy.