Physical Activity — Protein and Satiety in Older Adults (PROSAT)
Citation(s)
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Margetts BM, Thompson RL, Elia M, Jackson AA Prevalence of risk of undernutrition is associated with poor health status in older people in the UK. Eur J Clin Nutr. 2003 Jan;57(1):69-74. doi: 10.1038/sj.ejcn.1601499.
Morell P, Fiszman S Revisiting the role of protein-induced satiation and satiety. Food Hydrocolloids. 2017 Jul 1;68:199-210.
St-Onge MP, Gallagher D Body composition changes with aging: the cause or the result of alterations in metabolic rate and macronutrient oxidation? Nutrition. 2010 Feb;26(2):152-5. doi: 10.1016/j.nut.2009.07.004. Epub 2009 Dec 8.
Timiras PS Physiological basis of aging and geriatrics, CRC Press. 2022
The Effect of Protein on Appetite and Food Intake in More and Less Active Older Adults.
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.
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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.
