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Multicenter, open-label, exploratory clinical trial with Rhodiola rosea extract in patients suffering from burnout symptoms

Authors Kasper S, Dienel A

Received 19 August 2016

Accepted for publication 25 November 2016

Published 22 March 2017 Volume 2017:13 Pages 889—898

DOI https://doi.org/10.2147/NDT.S120113

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Amy Norman

Peer reviewer comments 3

Editor who approved publication: Dr Roger Pinder


Siegfried Kasper,1 Angelika Dienel2

1Universitätsklinik für Psychiatrie und Psychotherapie, Medizinische Universität Wien, Wien, Austria; 2Dr Willmar Schwabe GmbH & Co. KG, Karlsruhe, Germany

Purpose: This study is the first clinical trial aiming to explore the clinical outcomes in burnout patients treated with Rhodiola rosea. The reported capacity of R. rosea to strengthen the organism against stress and its good tolerability offer a promising approach in the treatment of stress-related burnout. The aim of the treatment was to increase stress resistance, thus addressing the source rather than the symptoms of the syndrome and preventing subsequent diseases associated with a history of burnout. The objective of the trial was to provide the exploratory data required for planning future randomized trials in burnout patients in order to investigate the clinical outcomes of treatment with R. rosea dry extract in this target group.
Methods: The study was planned as an exploratory, open-label, multicenter, single-arm trial. A wide range of rating scales were assessed and evaluated in an exploratory data analysis to generate hypotheses regarding clinical courses and to provide a basis for the planning of subsequent studies. A total of 118 outpatients were enrolled. A daily dose of 400 mg R. rosea extract (WS® 1375, Rosalin) was administered over 12 weeks. Clinical outcomes were assessed by the German version of the Maslach Burnout Inventory, Burnout Screening Scales I and II, Sheehan Disability Scale, Perceived Stress Questionnaire, Number Connection Test, Multidimensional Mood State Questionnaire, Numerical Analogue Scales for different stress symptoms and impairment of sexual life, Patient Sexual Function Questionnaire, and the Clinical Global Impression Scales.
Results: The majority of the outcome measures showed clear improvement over time. Several parameters had already improved after 1 week of treatment and continued to improve further up to the end of the study. The incidence of adverse events was low with 0.015 events per observation day.
Discussion: The trial reported here was the first to investigate clinical outcomes in patients suffering from burnout symptoms when treated with R. rosea. During administration of the study drug over the course of 12 weeks, a wide range of outcome measures associated with the syndrome clearly improved.
Conclusion: The results presented provide an encouraging basis for clinical trials further investigating the clinical outcomes of R. rosea extract in patients with the burnout syndrome.

Keywords: burnout, clinical study, Rhodiola rosea

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