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Table 7 Change from baseline to day 180 in serum and synovial fluid biomarkers

From: Efficacy and tolerability of an undenatured type II collagen supplement in modulating knee osteoarthritis symptoms: a multicenter randomized, double-blind, placebo-controlled study

Matrix

Parameter reduction

Day

Placebo (n)

GC (n)

UC-II (n)

Serum

COMP (ng/mL)

180

−51.2 ± 31.3 (53)

−56.5 ± 36.0 (56)

−69.6 ± 40.8 (53)

CRP (mg/L)

180

15.1 ± 6.33 (26)

9.09 ± 5.36 (28)

13.0 ± 4.64 (28)

Synovial

IL-6 (ng/mL)

180

−9.54 ± 4.83 (23)

−9.72 ± 5.28 (24)

−11.8 ± 5.37 (21)

MMP-3 (μg/mL)

180

−2.24 ± 1.26 (25)

−0.93 ± 0.79 (27)

−2.67 ± 1.85 (23)

  1. Values presented as Mean ± SE. Statistical analysis was performed on log transformed and baseline adjusted values. No significant differences were observed between the study groups (p > 0.05)