期刊
TRIALS
卷 20, 期 -, 页码 -出版社
BMC
DOI: 10.1186/s13063-018-3132-3
关键词
Scopolamine; Major depressive disorder; Efficacy; Randomized controlled trial
资金
- National Key Research & Development Program of China [2016YFC1307200]
- Beijing Municipal Administration of Hospitals Clinical Medicine Development of Special Funding Support [ZYLX201607]
- Dengfeng Talent Support Program of Beijing Municipal Administration of Hospitals [DFL20151801]
BackgroundMajor depressive disorder (MDD) is a prevalent and disabling disorder that can lead to heavy individual, familial, and societal burdens. Although pharmaceutical interventions still play an essential role in therapeutic measures, limitations, including effects that are delayed for weeks, are noteworthy. Antidepressants with rapid efficacy and acceptable tolerance have been investigated for many years; rapid antidepressant effects and promising clinical applications have been obtained with intravenous and oral scopolamine. This study aims to evaluate the efficacy of repeated intramuscular scopolamine as an add-on treatment to escitalopram.MethodsThis is a single-center, saline-controlled, double-blind, three-armed, randomized trial. Sixty-six participants diagnosed with MDD will be recruited at Beijing Anding Hospital and randomly assigned to one of three groups: a high-dose intramuscular scopolamine augmentation group; a low-dose intramuscular scopolamine augmentation group; and a placebo control group. Our primary endpoint is improvement in the 17-Item Hamilton Rating Scale for Depression (HRSD17) score from the baseline (at least a 20% reduction). Prespecified secondary endpoints include response rates and remission rates as well as changes in the total or subscale scores between the baseline and week 4.DiscussionThis study will provide the first insight regarding the rapid antidepressant efficacy and tolerability of an intramuscular scopolamine add-on to the usual treatment in Chinese MDD patients. The first discussion concerns whether augmentation can accelerate early antidepressant efficacy. A pilot study of intramuscular scopolamine is performed.The limitations of this study include its small sample size and it being a single-center study, suggesting the need for further confirmation with trials enrolling larger populations.Ethics and disseminationThe study protocol and all related materials have been approved by the Institutional Ethics Committee of the Beijing Anding Hospital (No. 2016-106, Beijing, China). The findings will be disseminated through peer-reviewed journals and at national and international conferences.Trial registrationClinicalTrials.gov, NCT03131050. Registered on 18 April 2017.
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