Overweight and Obesity — Episodic Future Thinking and Weight-Loss
Citation(s)
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Boyer P Evolutionary economics of mental time travel? Trends Cogn Sci. 2008 Jun;12(6):219-24. doi: 10.1016/j.tics.2008.03.003. Epub 2008 May 28.
Daniel TO, Said M, Stanton CM, Epstein LH Episodic future thinking reduces delay discounting and energy intake in children. Eat Behav. 2015 Aug;18:20-4. doi: 10.1016/j.eatbeh.2015.03.006. Epub 2015 Mar 28.
Daniel TO, Stanton CM, Epstein LH The future is now: comparing the effect of episodic future thinking on impulsivity in lean and obese individuals. Appetite. 2013 Dec;71:120-5. doi: 10.1016/j.appet.2013.07.010. Epub 2013 Jul 31.
Interventional studies are often prospective and are specifically tailored to evaluate direct impacts of treatment or preventive measures on disease.
Observational studies are often retrospective and are used to assess potential causation in exposure-outcome relationships and therefore influence preventive methods.
Expanded access is a means by which manufacturers make investigational new drugs available, under certain circumstances, to treat a patient(s) with a serious disease or condition who cannot participate in a controlled clinical trial.
Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.
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.
