Obesity Trial, Recruiting

Written by an AI model from the ClinicalTrials.gov eligibility criteria and checked on a sample basis. Please confirm against the original criteria.

Who might be able to join this trial:

• People of any racial or ethnic background
• People with a body mass index (a measure of height-to-weight ratio) between 20 and 34.9
• People who sleep an average of 7 hours or more per night, as measured over a 2-week screening period
• People who eat something within 1 hour of waking up on at least 5 days per week
• People whose midpoint of sleep falls at 4 AM or earlier (for example, someone who sleeps from 10 PM to 6 AM, with a midpoint of 2 AM)

Who may not be able to join:

• People who had fewer than 10 nights of at least 7 hours of sleep during the 2-week screening period
• People who nap regularly during the day
• People who have a current or past sleep disorder, or who score above 10 on a standard insomnia severity scale
• People who have a current or past psychiatric condition, including eating disorders or seasonal affective disorder
• People with any mental health condition that could interfere with the study results
• People who currently smoke cigarettes, use tobacco products, e-cigarettes, or vapes, or who stopped smoking less than 3 years ago
• People who work night shifts or rotating shifts
• People who have travelled across time zones within 4 weeks before the study
• People with a history of drug or alcohol misuse, or who regularly drink more than 3 alcoholic drinks per day (men) or more than 2 per day (women)
• People whose weight has changed by more than 5% in the past 3 months, who are currently on a diet or weight loss program, or who have had any weight loss procedure
• People who are pregnant or who gave birth less than 1 year ago
• People who have been diagnosed with sleep apnea, or who score highly on a standard sleep apnea risk questionnaire
• People with depression (based on a standard scoring scale) or who are taking antidepressant medications
• People with restless leg syndrome or circadian rhythm disorders
• People with dementia or cognitive impairments
• People currently taking medications that affect mood, mental state, or sleep
• People taking ongoing pain relief or anti-inflammatory medications
• People who have had gastrointestinal surgery, including gastric bypass surgery
• People with restricted or disordered eating patterns based on a standard eating behaviour questionnaire
• People who are unable to have an MRI scan for any reason
• People with a low red blood cell measure (haematocrit below 30%) (confirm with trial site)
• People taking beta blocker medications, as these can interfere with a hormone involved in the study

Important: Always verify eligibility with the trial site directly before applying.