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Vascular Dimentia 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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Completed
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NCT ID: NCT01322568 Completed - Obesity Clinical Trials

Research on Aging Project in Iceland: Second Stage

Start date: January 31, 2003
Phase:
Study type: Observational

Background: - Researchers are interested in studying the environmental and genetic factors that play a role in health and living conditions as people age. Since 2002, the U.S. National Institute on Aging and the Icelandic Heart Association Research Institute have been conducting a long-term study known as the Research in Aging project to collect personal data and samples from Icelandic men and women in order to study risk factors related to disease and disability in old age. Researchers plan to initiate a second stage of the study. Objectives: - To collect additional personal information, medical records, and blood samples from individuals who have previously provided materials for the Research in Aging Project in Iceland. Eligibility: - Individuals who have previously participated in the Research in Aging project in association with the U.S. National Institute on Aging and the Icelandic Heart Association Research Institute. Design: - Participants will have a physical examination with imaging analysis procedures and hearing and eye tests, provide information on health and diet, and provide a 100-ml blood sample for testing. - Participants will also provide consent for researchers to consult data and samples collected during the first stage of the Research on Aging project.