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Gallbaldder Cancer 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: NCT01520259 Completed - Gallbaldder Cancer Clinical Trials

Initial Study of Gallbladder Cancer in Chile

Start date: January 10, 2012
Phase:
Study type: Observational

Background: - Chile has the highest diagnosis and death rates of gallbladder cancer in the world. Gallbladder cancer is also the leading cause of cancer death in Chilean women. High rates of gallstones and obesity, as well as genetic concerns, may explain these high rates. Researchers want to study gallbladder cancer in more depth in Chile. A small study must be done to see if a full-scale study is feasible. Objectives: - To test the methods and procedures of a small-scale study of gallbladder cancer in Chile. Eligibility: - Individuals at least 18 years of age who have gallbladder cancer or gallstones, or are healthy control volunteers. - Participants will be recruited from four clinical centers in Chile. Design: - Participants will be screened with a physical exam and medical history. Because gallbladder cancer has a high fatality rate, family members may be asked to provide additional medical history information if study participants die or become too ill to provide this information. - Participants will provide blood, urine, stool, hair, fingernail, and saliva samples. - Gallstones, bile, and tissue samples will be collected from those who have gallbladder removal surgery. Normal and tumor tissue samples will be collected as needed. - Treatment will not be provided as part of this protocol. This is a data collection study only.