2005 風濕病學雜誌 Rose-Hip可以減輕膝蓋和髖關節骨關節炎的症狀：一項隨機、雙盲、安慰劑對照的臨床試驗

由玫瑰果亞種（Rosa canina）的種子和外殼製成的粉末(Rose-Hip)可以減輕膝蓋和髖關節骨關節炎的症狀：一項隨機、雙盲、安慰劑對照的臨床試驗。

A powder made from seeds and shells of a rose-hip subspecies (Rosa canina) reduces symptoms of knee and hip osteoarthritis: a randomized, double-blind, placebo-controlled clinical trial

《斯堪地那維亞風濕病學雜誌》（Scandinavian Journal of Rheumatology）上發表的一項試驗顯示，使用由玫瑰果亞屬（Rosa Canina L）的種子和外殼製成的粉末可以減輕膝蓋和髖關節骨關節炎的症狀：一項隨機、雙盲、安慰劑對照試驗。該試驗顯示，82%的患者在接受GOPO®活性治療3周後報告疼痛減輕。疼痛程度減輕到一定程度，40%的患者減少了對撲熱息痛的使用。 《風濕病學雜誌，2005年》

A trial published in the Scandinavian Journal of Rheumatology – A Powder made from seeds and shells of Rosehip Subspecies (Rosa Canina L) reduces the symptoms of Knee and Hip Osteoarthritis: a Randomised, Double-Blind, Placebo Controlled Trial – showed that 82% of patients reported a reduction in pain after 3 weeks of active treatment with GOPO®. Pain was alleviated to such an extent that 40% reduced their consumption of parecetamol. Journal of Rheumatology, 2005