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The Role of Peptide YY (PYY)in Inhibiting Food Intake.

Not Applicable
Completed
Conditions
Obesity
Registration Number
NCT00259233
Lead Sponsor
University of Copenhagen
Brief Summary

12 obese subjects will receive peripheral administration of placebo and 4 escalating doses of PYY1-36 and another 12 obese subjects will receive peripheral administration of placebo and 4 escalating doses PYY3-36 on 5 different test days within one week. The patients will be tested in a single blinded dose escalating protocol. Measurements of appetite, ad libitum energy intake, blood pressure and blood sampling will be performed during the test day.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
Male
Target Recruitment
24
Inclusion Criteria
  • Normal weight (BMI: 18-23 kg/m2) or 12 overweight/obese (BMI: 27-40 kg/m2)
  • Body weight fluctuations < 5 kg over the past 2 months.
  • Blood pressure normal to mildly hypertensive(<159/99 mm Hg)
  • Non-elite athletes and not planning to change physical activity during the study.
Exclusion Criteria
  • Any physiological or psychological illnesses that could influence the study results.
  • Regular use of medicine.
  • Smoking defined as <1 cigarette per day.
  • Substance abuse or dependence.
  • Blood donation within the past 3 months before entering the study.
  • Drinking >21 alcoholic units/week.
  • Food allergies.
  • Special diets (e.g. vegetarian) or dislikes to any of the foods served during the study.

Study & Design

Study Type
INTERVENTIONAL
Study Design
CROSSOVER
Primary Outcome Measures
NameTimeMethod
appetite
energy intake
Secondary Outcome Measures
NameTimeMethod
Plasma PYY profile
Blood pressure
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