Bariatric Surgical Procedure 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: NCT03540693 Recruiting - Clinical trials for Bariatric Surgery Candidate

Fat Taste Sensory Study

FaTSS

Start date: April 6, 2018
Phase:
Study type: Observational [Patient Registry]

Fat is the most energy dense macronutrient and consuming fat has been positively correlated to obesity. Individuals afflicted with obesity crave fat more frequently, have a higher preference for fatty taste, and consume a higher quantity of fatty foods. People who have undergone Roux-en-Y Gastric Bypass (RYGB) or Sleeve Gastrectomy (SG) weight-loss surgeries dramatically decrease their fat preferences and consumption of fat, at least within the first year after surgery. These surgeries are very effective in helping people lose weight over the first couple of years; however, approximately 30% of those who undergo these surgeries start regaining weight after the second year mark. Why some people are able to keep the weight off long-term but others are unable to is unclear. In addition, it is well-known that fat can modify the flavor of foods and flavor plays a critical role in consumption, as well as in responses that gear up the body to consume the food. These are known as cephalic phase responses and include neural, physiological, and hormonal aspects. The main goals of the study are twofold: 1) To test the immediate effects of RYGB surgery, SG surgery, and laparoscopic gastric banding (LAGB) surgery (a weight loss control group) on fat preferences and sensory perception, and 2) to compare fat preferences and sensory perception between those who are able to achieve sustained weight loss 2-5 years after RYGB or SG surgery and those who either regained weight or did not lose the desired amount.