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Randomized Controlled Trial of the Effects of High-Dose Ondansetron on Clinical Symptoms and Brain Connectivity in Obsessive-Compulsive and Tic Disorders.
Am J Psychiatry
January 2025
Nathan Kline Institute for Psychiatric Research, Orangeburg, NY (Stern, Collins, Bragdon, Eng, Recchia, Tobe, Iosifescu); Department of Psychiatry (Stern, Bragdon, Eng, Recchia, Iosifescu) and Neuroscience Institute (Stern, Iosifescu), New York University Langone Medical Center, New York; Department of Psychiatry, University of Miami Medical School, Miami (Coffey); Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York (Leibu, Murrough); Center for the Developing Brain, Child Mind Institute, New York (Tobe); Department of Psychiatry, Brigham and Women's Hospital, Boston (Burdick); Harvard Medical School, Boston (Burdick); Department of Psychiatry, Baylor College of Medicine, Houston (Goodman).
Objective: Sensory phenomena (SP) are aversive sensations driving repetitive behaviors in obsessive-compulsive disorder (OCD) and Tourette's disorder that are not well addressed by standard treatments. SP are related to the functioning of an interoceptive-sensorimotor circuit that may be modulated by the 5-HT receptor antagonist ondansetron. The present study employed an experimental medicine approach to test the effects of 4 weeks of high-dose ondansetron compared to placebo on SP severity and brain connectivity in a cohort of individuals with OCD and/or Tourette's disorder.
View Article and Find Full Text PDFThe impact of dietary patterns on gut microbiota for the primary and secondary prevention of cardiovascular disease: a systematic review.
Nutr J
January 2025
Department of Infectious Diseases, National Clinical Research Center for Infectious Diseases, the Third People's Hospital of Shenzhen, 29 Bulan Road, Shenzhen, Guangdong, 518000, China.
Background: Previous studies found that it is promising to achieve the protective effects of dietary patterns on cardiovascular health through the modulation of gut microbiota. However, conflicting findings have been reported on how dietary patterns impact gut microbiota in individuals either established or at risk of cardiovascular disease (CVD). Our systematic review aimed to explore the effect of dietary patterns on gut microbiota composition and on risk factors for CVD in these populations.
View Article and Find Full Text PDFRemediating cognitive inflexibility in obsessive compulsive disorder and anorexia nervosa neither moderates nor mediates treatment effects: an exploratory study.
Front Psychiatry
January 2025
Department of Specialist Training, Institution for Integrated Mental Health Care (GGz) Drenthe, Assen, Netherlands.
Objective: Obsessive compulsive disorder (OCD) and anorexia nervosa (AN) are conditions associated with poor cognitive flexibility, a factor considered to interfere with treatment, but research into the relationship between cognitive flexibility and treatment outcome is limited. This study explores whether baseline measures of cognitive flexibility predict outcomes in OCD and AN, evaluates whether changes in these measures contribute to treatment outcome, and evaluates the effectiveness of adjunctive cognitive remediation therapy (CRT) in improving cognitive flexibility.
Methods: This secondary analysis utilized linear mixed model analysis on data from a randomized controlled multicenter clinical trial involving adult participants with OCD (n=71) AND AN (n=61).
One-stage versus two-stage video-assisted thoracic surgery for synchronous bilateral pulmonary nodules: protocol for a single center, non-randomized clinical trial (OTVATS-1).
BMC Surg
January 2025
Department of General Thoracic Surgery, China-Japan Friendship Hospital, Beijing, China.
Background: Previous retrospective studies demonstrated both one-stage and two-stage video-assisted thoracic surgery (VATS) for bilateral pulmonary nodules were safe and feasible in selected patients. However, prospective data is still lacking. The purpose of this trial is to prospectively compare the prognostic and perioperative outcomes between one-stage and two-stage VATS for synchronous bilateral pulmonary nodules.
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