Bipolar Disorder 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 who have been diagnosed with bipolar I disorder or bipolar II disorder (not other related conditions such as cyclothymia), confirmed through a structured diagnostic interview used by the study team
• People who are currently experiencing sleep problems, such as trouble sleeping, sleeping too much, or having a shifted or irregular body clock schedule
• People living in an English-speaking country where the research team has experience conducting studies
• People who have spoken English for at least 10 years, speak English at home, or can demonstrate a strong understanding of English during the screening interview
• People who are currently receiving medical care for bipolar disorder (the trial site can provide referrals for those who wish to start care)
• People whose mood-stabilising medications have remained unchanged for at least one month
• People whose weight has changed by less than 5 kg over the past three months
• People who are currently eating across a period of 12 hours or more per day on at least two days per week
• People who are able to use a smartphone camera and complete online surveys (loaner phones may be available if needed)
• People who do not work shift work and do not have responsibilities, such as caring for others, that regularly disrupt their sleep during overnight hours
• People who are able to complete seven days of food diary entries during the initial study period, with at least two entries per day covering a five-hour or longer eating window
• People who are able to complete screening and baseline questionnaires carefully and thoroughly, as assessed by the study team

Who may not be able to join:

• People currently experiencing a mood episode, such as depression, hypomania, mania, or psychosis (the trial site encourages these individuals to seek treatment and to consider the study once symptoms have settled)
• People who have ever been diagnosed with or treated for an eating disorder, or whose current questionnaire responses suggest eating disorder concerns
• People who have experienced alcohol use disorder or substance use disorder in the past three months
• People with active thoughts of suicide combined with a plan, intent, or a history of a suicide attempt, as assessed by a standard rating scale
• People with conditions that could interfere with taking part in the study, including pregnancy, breastfeeding, untreated thyroid problems, or digestive conditions that affect how the body absorbs nutrients
• People with certain health conditions that could affect the study's measurements, such as HIV, AIDS, lupus, or multiple sclerosis
• People taking certain medications that are not compatible with fasting, including clozapine, blood sugar-lowering medications, diabetes injections, corticosteroids, or medications that must be taken with food at specific times of day (confirm with trial site regarding specific medications)
• People with cognitive difficulties identified during the initial interview or through a short memory and thinking assessment used by the study team

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