Effects of antidepressant medicines on preventing relapse of unipolar depression: a pooled analysis of parametric survival curves

Major depressive disorder is characterized by a high risk of relapse. We aimed to compare the prophylactic effects of different antidepressant medicines (ADMs). PubMed, Cochrane Central Register of Controlled Trials, Embase and the Web of Science were searched on 4 July 2019. A pooled analysis of pa...

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Veröffentlicht in:Psychological medicine 2022-01, Vol.52 (1), p.48-56
Hauptverfasser: Zhou, Dongdong, Lv, Zhen, Shi, Lei, Zhou, Xiaoxin, Lin, Qingxia, Chen, Xiaorong, Wan, Liyang, Li, Yao, Ran, Liuyi, Huang, Yan, Wang, Gaomao, Li, Daqi, Wang, Wo, Liu, Chuan, Kuang, Li
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container_end_page 56
container_issue 1
container_start_page 48
container_title Psychological medicine
container_volume 52
creator Zhou, Dongdong
Lv, Zhen
Shi, Lei
Zhou, Xiaoxin
Lin, Qingxia
Chen, Xiaorong
Wan, Liyang
Li, Yao
Ran, Liuyi
Huang, Yan
Wang, Gaomao
Li, Daqi
Wang, Wo
Liu, Chuan
Kuang, Li
description Major depressive disorder is characterized by a high risk of relapse. We aimed to compare the prophylactic effects of different antidepressant medicines (ADMs). PubMed, Cochrane Central Register of Controlled Trials, Embase and the Web of Science were searched on 4 July 2019. A pooled analysis of parametric survival curves was performed using a Bayesian framework. The main outcomes were hazard ratios (HRs), relapse-free survival and mean relapse-free months. Forty randomized controlled trials were included. The 1-year relapse-free survival for ADM (76%) was significantly better than that for placebo (56%). Most of the relapse difference (86.5%) occurred in the first 6 months. Most HRs were not constant over time. Proof of benefit after 6 months of follow-up was not established partially because of small differences between the drug and placebo after 6 months. Almost all studies used an 'enriched' randomized discontinuation design, which may explain the high relapse rates in the first 6 months after randomization. The superiority of ADM placebo was mainly attributed to the difference in relapse rates that occurred in the first 6 months. Our analysis provided evidence that the prophylactic efficacy was not constant over time. A beneficial effect was observed, but the prevention of new episodes after 6 months was questionable. These findings may have implications for clinical practice.
doi_str_mv 10.1017/S0033291720001610
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source Applied Social Sciences Index & Abstracts (ASSIA); MEDLINE; Cambridge Journals
subjects Antidepressants
Antidepressive Agents - therapeutic use
Bayes Theorem
Bayesian analysis
Chronic Disease
Clinical medicine
Clinical trials
Depressive Disorder, Major - drug therapy
Depressive Disorder, Major - prevention & control
Depressive personality disorders
Digitization
Discontinued
Drugs
Efficacy
High risk
Humans
Mental depression
Original Article
Patients
Placebos
Prevention
Psychotropic drugs
Recurrence
Relapse
Remission (Medicine)
Survival
Survival analysis
title Effects of antidepressant medicines on preventing relapse of unipolar depression: a pooled analysis of parametric survival curves
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