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Mineral rich algae with pine bark improved pain, physical function and analgesic use in mild-knee joint osteoarthritis, compared to Glucosamine: A randomized controlled pilot trial.

Abstract：

INTRODUCTION:Osteoarthritis (OA) is characterised by synovial joint pain, functional disability and affects ∼13 % of people worldwide, of which ∼16-27 % report Knee-OA (KOA). Glucosamine (Glu) is the most widely used nutraceutical treatment for OA despite a lack of scientific consensus, therefore alternative nutraceutical treatments are required. The aim of this study was to investigate the effect of Lithothamnion species, seawater-derived magnesium and pine bark (Aq+) on pain, symptoms and improve physical function in symptomatic (sKOA), compared to Glu. METHODS:358 participants were screened. In a double-blinded crossover pilot-trial, sKOA participant (n = 30) were randomly assigned to either the Glu group (2000 mg day-1) or Aq+ (3056 mg day-1) for 12 weeks (clinicaltrials.gov:NCT03106584). The Knee Injury and Osteoarthritis Outcome Score was used to assess subjective pain and symptoms. Timed-up-and-Go (TuG) and Six minute walking distance were used to assess functional change and analgesic use was recorded. RESULTS:Aq+ improved pain, with a large effect (P < 0.01, d' = 0.73, 95 %CI 0.201-1.265) and no change for Glu (d' = 0.38, P = 0.06). Only Aq+ improved pain (P < 0.05) for males (d' = 0.91, 95 %CI 0.162-1.667) and females (d' = 0.55, 95 %CI 0.210-1.299). In females, Aq+ improved TuG by -7.02 % (d' = 0.92, 95 %CI 1.699-0.141) while Glu worsened performance by 4.18 % (P = 0.04). Aq+ reduced analgesia by 71.6 %, compared to Glu (P = 0.02; d' = 0.82, 95 %CI 1.524-0.123). Aq+ was superior to Glu at improving pain, KOOS subscales, physical function and analgesia use in mild-sKOA. Given these data, Aq+ should be considered as a supplementary treatment for early-stage-KOA and may have the potential to reduce use of pain medication, although larger replication studies are required.

journal_name

Complement Ther Med

journal_title

Complementary therapies in medicine

authors

Heffernan SM,McCarthy C,Eustace S,FitzPatrick RE,Delahunt E,De Vito G

doi

10.1016/j.ctim.2020.102349

subject

Has Abstract

pub_date

2020-05-01 00:00:00

pages

102349

eissn

0965-2299

issn

1873-6963

pii

S0965-2299(19)31831-X

journal_volume

pub_type

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Mineral rich algae with pine bark improved pain, physical function and analgesic use in mild-knee joint osteoarthritis, compared to Glucosamine: A randomized controlled pilot trial.