Cited by 20Treatment of Major DepressionElectroconvulsive Therapy StudiesPsychological Treatments and Disorders

Longer-term open-label study of adjunctive riluzole in treatment-resistant depression

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Sakurai, Hitoshi, Dording, Christina, Yeung, Albert, Foster, Simmie, Jain, Felipe, Chang, Trina, Trinh, Nhi-Ha, Bernard, Richard +7 more·2019·Journal of Affective Disorders

Abstract

Background While riluzole has been investigated for the treatment of depression, little is known about its longer-term efficacy and optimal treatment duration in treatment-resistant depression (TRD). The objective of this study is to characterize the longer-term outcome of adjunctive riluzole therapy for TRD in an open-label extension of an 8-week acute treatment trial.Methods The data from 66 patients with TRD who received adjunctive riluzole in a 12-week open-label extension phase were analyzed. Response rates (⩾50% reduction in the Mongomery-Asberg Depression Rating Scale [MADRS] score), relapse rates (a MADRS score of ⩾22 in patients who had previously achieved response), and adverse events were examined in patients who had achieved response at the end of the acute phase and those who had not.Results Among acute phase responders, the maintained response rate was 66.7% (8/12) and the relapse rate was 8.3% (1/12). In acute phase non-responders, the response rate was 24.1% (13/54). The most commonly reported adverse event was fatigue (9.1%). Three cases were considered serious adverse events; vomiting (n = 1), shortness of breath (n = 1), and aborted suicide attempt (n = 1).Limitations This longer-term study was open-label and uncontrolled. The sample size was relatively small.Conclusions Longer-term adjunctive riluzole appears relatively well tolerated and beneficial for maintaining previous response. Additionally, approximately one fourth of patients who did not respond to 8-week antidepressant treatment might respond if treated with riluzole for 12 weeks. Those findings warrant further investigation because adjunctive riluzole could represent an option for treatment of depression when standard antidepressants have failed.

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Authors
Sakurai, H., Dording, C., Yeung, A., Foster, S., Jain, F., Chang, T., Trinh, N.-H., Bernard, R., Boyden, S., Iqbal, S. Z., Wilkinson, S. T., Mathew, S. J., Mischoulon, D., Fava, M., & Cusin, C.
Affiliations
  • Keio University (JP)
  • Massachusetts General Hospital (US)
  • Michael E. DeBakey VA Medical Center (US)
  • Yale University (US)
  • Harvard University (US)
Corresponding author
Cusin, Cristina
Venue
Journal of Affective Disorders
Publisher
Elsevier BV
Published
2019-11
Volume
258
Pages
102-108
ISSN
0165-0327 (ISSN-L)
OpenAlex
W2954845150
Cited by
20
References
40
Citations by year
2026: 1 · 2024: 2 · 2023: 2 · 2022: 5 · 2021: 8 · 2020: 2
FWCI
2.32
Type
journal article
Language
en
Open access
Locations
  • Journal of Affective Disorders (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Agency for Healthcare Research and Quality (K12HS023000)
  • Veterans Administration Medical Center
  • American Foundation for Suicide Prevention
  • National Institute of Mental Health (R01MH085050, R01MH085055, R01MH085054)
  • Brain and Behavior Research Foundation
  • National Alliance for Research on Schizophrenia and Depression
  • U.S. Department of Veterans Affairs
  • State of Connecticut Department of Mental Health and Addiction Services
  • National Institutes of Health
  • Stichting voor de Technische Wetenschappen
Topics
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Health Sciences › Medicine › Psychiatry and Mental health › Electroconvulsive Therapy Studies
  • Social Sciences › Psychology › Clinical Psychology › Psychological Treatments and Disorders
Keywords
riluzole, treatment-resistant depression, adjunctive therapy, long-term efficacy, relapse, response maintenance, adverse events, fatigue, antidepressant non-responders
MeSH terms
Adult, Antidepressive Agents, Drug Administration Schedule, Female, Humans, Male, Middle Aged, Time Factors, Treatment Outcome, Riluzole, Depressive Disorder, Treatment-Resistant

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