Studio clinico
A RANDOMIZED CONTROLLED TRIAL ON THE EFFICACY AND SAFETY OF A FOOD INGREDIENT, COLLAGEN HYDROLYSATE, FOR IMPROVING JOINT COMFORT
BENITO-RUIZ, M.M. CAMACHO-ZAMBRANO,
J.N. CARRILLO-ARCENTALES, M.A. MESTANZA-PERALTA,
C.A. VALLEJO-FLORES, S.V. VARGAS-LÓPEZ,
R.A. VILLACÍS-TAMAYO & L.A. ZURITA-GAVILANES

Abstract
Introduction Current options to promote joint comfort are limited to medicines that can reduce pain but can also have adverse effects. Collagen, a major component of joint cartilage, is found in the diet, particularly in meat. Its hydrolysate form, collagen hydrolysate (CH), is well absorbed. CH may stimulate the joint matrix cells to synthesize collagen, so helping to maintain the structure of the joint and potentially to aid joint comfort.
Methods In a randomized, double-blind, controlled multicenter trial, 250 subjects with primary osteoarthritis of the knee were given 10 g CH daily for 6 months.
Results There was a significant improvement in knee joint comfort as assessed by visual analogue scales to assess pain and the Womac pain subscale. Subjects with the greatest joint deterioration, and the with least intake of meat protein in their habitual diets, benefited most.
Conclusion CH is safe and effective and warrants further consideration as a food ingredient.
15-1-2009
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