Planta Med 2017; 83(18): 1384-1391
DOI: 10.1055/s-0043-112750
Biological and Pharmacological Activity
Original Papers
Georg Thieme Verlag KG Stuttgart · New York

A Rosa canina – Urtica dioica – Harpagophytum procumbens/zeyheri Combination Significantly Reduces Gonarthritis Symptoms in a Randomized, Placebo-Controlled Double-Blind Study

Margret Moré
1   Herbalist & Doc Gesundheitsgesellschaft mbH, Berlin, Germany
Joerg Gruenwald
1   Herbalist & Doc Gesundheitsgesellschaft mbH, Berlin, Germany
Ute Pohl
2   analyze & realize GmbH Berlin, Germany
Ralf Uebelhack
3   Charité, Berlin, Germany
› Author Affiliations
Further Information

Publication History

received 04 January 2017
revised 06 May 2017

accepted 27 May 2017

Publication Date:
14 June 2017 (online)


The special formulation MA212 (Rosaxan) is composed of rosehip (Rosa canina L.) puree/juice concentrate, nettle (Urtica dioica L.) leaf extract, and devilʼs claw (Harpagophytum procumbens DC. ex Meisn. or Harpagophytum zeyheri Decne.) root extract and also supplies vitamin D. It is a food for special medical purposes ([EU] No 609/2013) for the dietary management of pain in patients with gonarthritis.

This 12-week randomized, placebo-controlled double-blind parallel-design study aimed to investigate the efficacy and safety of MA212 versus placebo in patients with gonarthritis.

A 3D-HPLC-fingerprint (3-dimensional high pressure liquid chromatography fingerprint) of MA212 demonstrated the presence of its herbal ingredients. Ninety-two randomized patients consumed 40 mL of MA212 (n = 46) or placebo (n = 44) daily. The Western Ontario and McMaster Universities Arthritis Index (WOMAC), quality-of-life scores at 0, 6, and 12 weeks, and analgesic consumption were documented. Statistically, the initial WOMAC subscores/scores did not differ between groups. During the study, their means significantly improved in both groups. The mean pre-post change of the WOMAC pain score (primary endpoint) was 29.87 in the MA212 group and 10.23 in the placebo group. The group difference demonstrated a significant superiority in favor of MA212 (pU < 0.001; pt < 0.001). Group comparisons of all WOMAC subscores/scores at 6 and 12 weeks reached same significances. Compared to placebo, both physical and mental quality of life significantly improved with MA212. There was a trend towards reduced analgesics consumption with MA212, compared to placebo. In the final efficacy evaluation, physicians (pChi < 0.001) and patients (pChi < 0.001) rated MA212 superior to placebo. MA212 was well tolerated.

This study demonstrates excellent efficacy for MA212 in gonarthritis patients.

Supporting Information

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