Pathogenesis of Pediatric Obsessive-compulsive Disorder: Based on the Microbiota-gut-brain Axis

Launched by SHANGHAI MENTAL HEALTH CENTER · Dec 23, 2024

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Eligibility criteria

• We recruited outpatient children and adolescents with OCD confirmed by the Kiddie Schedule for Affective Disorders and Schizophrenia for School-Age Children-Present and Lifetime Version (4th edition). The following inclusion and exclusion criteria were also applied:
• Inclusion Criteria:
• • (1) 7-17 years old, (2) Y-BOCS score ≥16, (3) with or without a history of TD, (4) Drug-naïve or drug-free for 8 weeks, (5) Wechsler IQ score ≥ 80.
• Exclusion Criteria:
• • History of serious medical, neurological illness or other psychotic disorders other than OCD (tic disorder excepted).
• • Previous exposure to cognitive behavioral therapy (CBT) for OCD or TD.
• • serious suicide risk.
• • Has taken antibiotics, probiotics, prebiotics, corticosteroids, nonsteroidal anti-inflammatory drugs (NSAIDs), or immunosuppressants within the past 8 weeks.
• • Has a history of gastrointestinal diseases such as inflammatory bowel disease, irritable bowel syndrome, constipation, hemorrhoids, or a history of gastrointestinal surgery, or has a history of autoimmune diseases such as rheumatoid arthritis or systemic lupus erythematosus.
• • Participants with claustrophobic, heart pacemaker, mechanical heart valve, mechanical implant such as an aneurysm clip, hip replacement, or any other pieces of metal that have accidentally entered their body.