Title
Oxytocin and Eating
Exploring the Effects of Oxytocin on Appetite Regulation in Healthy Adult Men
Phase
Phase 2Lead Sponsor
Yale UniversityStudy Type
InterventionalStatus
Unknown statusIndication/Condition
Weight GainIntervention/Treatment
Syntocinon ...Study Participants
60In this protocol, the investigators propose a randomised controlled trial to explore the effects of intra-nasal oxytocin administration on appetite regulation. The investigators will run a cross-over design with 60 healthy adult men.
Intra-nasal oxytocin
Intra-nasal placebo
Participants will receive two doses of 24 IU intra-nasal oxytocin (Syntocinon) in a single session
Participants will received match placebo, again in two doses in a single session
Inclusion Criteria: Gender: Male Age: 21-45 years Normal weight: Body mass index of 18.5 to 22.9 Have had a stable weight for the past 3 months (less than 5kg) Have regular breakfast meals (≥ 4 times a week of self-reported consumption of a breakfast meal) Have habitual sleep of 6.5-8.5 hours Have English as first language (or fluent in spoken and written English) Exclusion Criteria: Symptoms / history of any major medical condition, including: Bariatric surgery or surgical obesity treatment Diabetes Cardiovascular disease Thyroid disease Anaemia Psychiatric disorders Eating disorders Excessive exercise (running > 40 km or exercising > 10 hr in a week) Currently on a special diet or trying deliberately to restrict food intake Currently on a weight loss program Smoking or substance abuse Use of medications that can affect weight (e.g., steroids, approved weight-loss drugs)