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Social Science 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: NCT02317380 Completed - Cancer Prevention Clinical Trials

Self-Affirmation and Defensiveness to Health Messages for the Self vs. a Close Other

Start date: December 13, 2014
Phase:
Study type: Observational

Background: - Researchers want to learn about people s beliefs and values. They also want to learn about how people respond to information about cancer risk. They have created two short studies. They have combined these studies for convenience. Objective: - To learn about people s beliefs and values, and about how people respond to information about cancer risk. Eligibility: - Adults age 40-70 who are overweight, have never had cancer, and have an opposite-sex close relationship with someone in that age group who is also overweight. Design: - This study will take place online or in a laboratory. - Participants will take part in two studies. One is Values Study. The other is Cancer Risk Information. - In Values Study, some participants will choose the most important value from a list. They will write about why that value is important to them. Others will choose the least important value from a list. They will write about why that value may be important to someone else. - In Cancer Risk Information, participants will read a health message about a cancer risk relevant to themselves or to a close other. Some will wear special glasses that track their eye movements as they read. - Participants will then answer questions about their beliefs about cancer risk and their intentions to lose weight. - Both studies will take 30 minutes.