Abstract Title:

Rhodiola rosea versus sertraline for major depressive disorder: A randomized placebo-controlled trial.

Abstract Source:

Phytomedicine. 2015 Mar 15 ;22(3):394-9. Epub 2015 Feb 23. PMID: 25837277

Abstract Author(s):

Jun J Mao, Sharon X Xie, Jarcy Zee, Irene Soeller, Qing S Li, Kenneth Rockwell, Jay D Amsterdam

Article Affiliation:

Jun J Mao


BACKGROUND: We performed a proof of concept trial to evaluate relative safety and efficacy of Rhodiola rosea (R. rosea) versus sertraline for mild to moderate major depressive disorder.

HYPOTHESIS: We hypothesize that R. rosea would have similar therapeutic effects as sertraline but with less adverse events.

STUDY DESIGN: Phase II randomized placebo controlled clinical trial.

METHODS: 57 subjects were randomized to 12 weeks of standardized R. rosea extract, sertraline, or placebo. Changes over time in Hamilton Depression Rating (HAM-D), Beck Depression Inventory (BDI), and Clinical Global Impression Change (CGI/C) scores among groups were examined using mixed-effects models.

RESULTS: Modest, albeit statistically non-significant, reductions were observed for HAM-D, BDI, and CGI/C scores for all treatment conditions with no significant difference between groups (p = 0.79, p = 0.28, and p = 0.17, respectively). The decline in HAM-D scores was greater for sertraline (-8.2, 95% confidence interval [CI], -12.7 to -3.6) versus R. rosea (-5.1, 95% CI: -8.8 to -1.3) and placebo (-4.6, 95% CI: -8.6 to -0.6). While the odds of improving (versus placebo) were greater for sertraline (1.90 [0.44-8.20]; odds ratio [95% CI]) than R. rosea (1.39 [0.38-5.04]), more subjects on sertraline reported adverse events (63.2%) than R. rosea (30.0%) or placebo (16.7%) (p = 0.012).

CONCLUSIONS: Although R. rosea produced less antidepressant effect versus sertraline, it also resulted in significantly fewer adverse events and was better tolerated. These findings suggest that R. rosea, although less effective than sertraline, may possess a more favorable risk to benefit ratio for individuals with mild to moderate depression.

Study Type : Human Study

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