PMID- 35926783 OWN - NLM STAT- MEDLINE DCOM- 20221018 LR - 20221024 IS - 1876-4754 (Electronic) IS - 1876-4754 (Linking) VI - 15 IP - 5 DP - 2022 Sep-Oct TI - Long-term comparative effectiveness of deep brain stimulation in severe obsessive-compulsive disorder. PG - 1128-1138 LID - S1935-861X(22)00170-X [pii] LID - 10.1016/j.brs.2022.07.050 [doi] AB - BACKGROUND: Twenty years after the first use of Deep Brain Stimulation (DBS) in obsessive-compulsive disorder (OCD), our knowledge of the long-term effects of this therapeutic option remains very limited. OBJECTIVE: Our study aims to assess the long-term effectiveness and tolerability of DBS in OCD patients and to look for possible predictors of long-term response to this treatment. METHODS: We studied the course of 25 patients with severe refractory OCD treated with DBS over an average follow-up period of 6.4 years (+/-3.2) and compared them with a control group of 25 patients with severe OCD who refused DBS and maintained their usual treatment. DBS was implanted at the ventral anterior limb of the internal capsule and nucleus accumbens (vALIC-Nacc) in the first six patients and later at the bed nucleus of stria terminalis (BNST) in the rest of patients. Main outcome was change in Yale-Brown Obsessive-Compulsive Scale (Y-BOCS) score between the two groups assessed using mixed models. Secondary effectiveness outcomes included Hamilton Depression Rating Scale (HDRS) and Global Assessment of Functioning (GAF) scores. RESULTS: Obsessive symptoms fell by 42.5% (Y-BOCS score) in patients treated with DBS and by 4.8% in the control group. Fifty-six per cent of DBS-treated patients could be considered responders at the end of follow-up and 28% partial responders. Two patients among those who rejected DBS were partial responders (8%), but none of the non-DBS group achieved criteria for complete response. HDRS and GAF scores improved significantly in 39.2% and 43.6% among DBS-treated patients, while did not significantly change in those who rejected DBS (improvement limited to 6.2% in HDRS and 4.2% in GAF scores). No statistically significant predictors of response were found. Mixed models presented very large comparative effect sizes for DBS (4.29 for Y-BOCS, 1.15 for HDRS and 2.54 for GAF). Few patients experienced adverse effects and most of these effects were mild and transitory. CONCLUSIONS: The long-term comparative effectiveness and safety of DBS confirm it as a valid option for the treatment of severe refractory OCD. CI - Copyright (c) 2022 The Authors. Published by Elsevier Inc. All rights reserved. FAU - Mar-Barrutia, Lorea AU - Mar-Barrutia L AD - OCD Clinical and Research Unit. Department of Psychiatry, Hospital de Bellvitge, Barcelona, Spain; Department of Psychiatry, Osakidetza Basque Health Service, Araba University Hospital, Vitoria-Gasteiz, Spain. FAU - Ibarrondo, Oliver AU - Ibarrondo O AD - Osakidetza Basque Health Service, Debagoiena Integrated Health Organisation, Research Unit, Arrasate-Mondragon, Spain.Biodonostia Health Research Institute, Donostia-San Sebastian, Spain; Kronikgune Institute for Health Services Research, Barakaldo, Spain. FAU - Mar, Javier AU - Mar J AD - Osakidetza Basque Health Service, Debagoiena Integrated Health Organisation, Research Unit, Arrasate-Mondragon, Spain.Biodonostia Health Research Institute, Donostia-San Sebastian, Spain; Kronikgune Institute for Health Services Research, Barakaldo, Spain; Biodonostia Health Research Institute, Donostia-San Sebastian, Spain. FAU - Real, Eva AU - Real E AD - OCD Clinical and Research Unit. Department of Psychiatry, Hospital de Bellvitge, Barcelona, Spain; Bellvitge Biomedical Research Institute-IDIBELL, Barcelona, Spain; CIBERSAM (Centro de Investigacion en Red de Salud Mental), Carlos III Health Institute, Madrid, Spain. FAU - Segalas, Cinto AU - Segalas C AD - OCD Clinical and Research Unit. Department of Psychiatry, Hospital de Bellvitge, Barcelona, Spain; Bellvitge Biomedical Research Institute-IDIBELL, Barcelona, Spain; CIBERSAM (Centro de Investigacion en Red de Salud Mental), Carlos III Health Institute, Madrid, Spain; Department of Clinical Sciences, Faculty of Medicine, University of Barcelona, Spain. FAU - Bertolin, Sara AU - Bertolin S AD - OCD Clinical and Research Unit. Department of Psychiatry, Hospital de Bellvitge, Barcelona, Spain; Bellvitge Biomedical Research Institute-IDIBELL, Barcelona, Spain. FAU - Aparicio, Marco Alberto AU - Aparicio MA AD - Department of Neurosurgery, Hospital de Bellvitge, Barcelona, Spain. FAU - Plans, Gerard AU - Plans G AD - Department of Neurosurgery, Hospital de Bellvitge, Barcelona, Spain. FAU - Menchon, Jose Manuel AU - Menchon JM AD - OCD Clinical and Research Unit. Department of Psychiatry, Hospital de Bellvitge, Barcelona, Spain; Bellvitge Biomedical Research Institute-IDIBELL, Barcelona, Spain; CIBERSAM (Centro de Investigacion en Red de Salud Mental), Carlos III Health Institute, Madrid, Spain; Department of Clinical Sciences, Faculty of Medicine, University of Barcelona, Spain. FAU - Alonso, Pino AU - Alonso P AD - OCD Clinical and Research Unit. Department of Psychiatry, Hospital de Bellvitge, Barcelona, Spain; Bellvitge Biomedical Research Institute-IDIBELL, Barcelona, Spain; CIBERSAM (Centro de Investigacion en Red de Salud Mental), Carlos III Health Institute, Madrid, Spain; Department of Clinical Sciences, Faculty of Medicine, University of Barcelona, Spain. Electronic address: mpalonso@bellvitgehospital.cat. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20220801 PL - United States TA - Brain Stimul JT - Brain stimulation JID - 101465726 SB - IM MH - *Deep Brain Stimulation/adverse effects MH - Humans MH - Internal Capsule/physiology MH - Nucleus Accumbens MH - *Obsessive-Compulsive Disorder/diagnosis/therapy MH - Treatment Outcome OTO - NOTNLM OT - Comparative effectiveness OT - Deep brain stimulation OT - Long-term OT - Obsessive-compulsive disorder OT - Predictors of response OT - Side effects COIS- Declaration of competing interest PA, ER, CS, MAA, GP and JMM participated in a clinical trial sponsored by Medtronic to monitor the safety and performance of electrical stimulation of the AIC in patients with chronic, severe, treatment-resistant OCD from 2014 to 2017 (ClinicalTrial.gov identifier: NCT01135745). The authors report no other biomedical financial interests or potential conflicts of interest. EDAT- 2022/08/05 06:00 MHDA- 2022/10/19 06:00 CRDT- 2022/08/04 19:26 PHST- 2022/04/15 00:00 [received] PHST- 2022/07/09 00:00 [revised] PHST- 2022/07/25 00:00 [accepted] PHST- 2022/08/05 06:00 [pubmed] PHST- 2022/10/19 06:00 [medline] PHST- 2022/08/04 19:26 [entrez] AID - S1935-861X(22)00170-X [pii] AID - 10.1016/j.brs.2022.07.050 [doi] PST - ppublish SO - Brain Stimul. 2022 Sep-Oct;15(5):1128-1138. doi: 10.1016/j.brs.2022.07.050. Epub 2022 Aug 1.