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A 20-week program of resistance or concurrent exercise improves symptoms of schizophrenia: results of a blind, randomized controlled trial |
e Silva BA, Cassilhas RC, Attux C, Cordeiro Q, Gadelha AL, Telles BA, Bressan RA, Ferreira FN, Rodstein PH, Daltio CS, Tufik S, de Mello MT |
Revista Brasileira de Psiquiatria [Brazilian Journal of Psychiatry] 2015 Dec;37(4):271-279 |
clinical trial |
5/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: No; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed* |
OBJECTIVE: To evaluate the effects of 20 weeks of resistance and concurrent training on psychotic and depressive symptoms, quality of life outcomes, and serum IGF-1, IGFBP-3, and brain-derived neurotrophic factor (BDNF) concentrations in patients with schizophrenia. METHODS: In this blind, randomized controlled clinical trial, 34 patients with schizophrenia were assigned to one of three groups: control (CTRL, n = 13), resistance exercise (RESEX, n = 12), or concurrent exercise (CONCEX, n = 9). Symptoms, quality of life, strength, and other variables were assessed. RESULTS: A significant time-by-group interaction was found for the RESEX and CONCEX groups on the Positive and Negative Syndrome Scale (PANSS) total score for disease symptoms (p = 0.007), positive symptoms (p = 0.003), and on the arm extension one-repetition maximum (1RM) test (p = 0.016). In addition, significant improvements on negative symptoms (p = 0.027), on the role-physical domain of the Short Form-36 Health Survey (p = 0.019), and on the chest press 1RM test (p = 0.040) were observed in the RESEX group. No changes were observed for the other variables investigated. CONCLUSIONS: In this sample of patients with schizophrenia, 20 weeks of resistance or concurrent exercise program improved disease symptoms, strength, and quality of life. ClinicalTrials.gov NCT01674543.
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