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Efficacy of Intra-articular Injection of Human Amniotic Suspension Allograft and Platelet-rich Plasma in the Treatment of Knee Osteoarthritis.

Not Applicable
Conditions
Knee Osteoarthristis
Interventions
Biological: Human amniotic suspension allograft (ASA)
Registration Number
NCT04698265
Lead Sponsor
Kaohsiung Veterans General Hospital.
Brief Summary

A double-blind, randomized controlled trial designed to evaluate the symptomatic modulating efficacy of amniotic suspension allograft (ASA) in comparison to platelet-rich plasma (PRP), hyaluronic acid (HA) and normal saline (NS) in the injection treatment of knee osteoarthritis. The hypothesis is that ASA would provide the greatest functional improvement.

Detailed Description

At least 150 subjects with osteoarthritic knee will be recruited and computer randomized 1:1:1:1 to single injection of ASA (40mg), ASA (20mg), PRP + HA, and NS groups. Both subjects and evaluaters were blinded to allocations. Functional and radiologic outcomes were measured at baseline, and 1 week, 1, 3, 6, 12 months postinjection.

Recruitment & Eligibility

Status
UNKNOWN
Sex
All
Target Recruitment
150
Inclusion Criteria
  • Age between 20 and 80 years
  • Ability to provide informed consent
  • Unilateral or bilateral knee VAS pain score ≥ 4 of 10 (worst possible pain) for more than 4 months
  • Diagnosis of OA Kellgren-Lawrence I-III by radiography (triple-film of bilateral lower limb, standard knee anterior-posterior view in full extension, lateral view in 30-degrees flexion, and 45°Merchant views)
  • No prior PRP injection of knee
  • No prior surgical procedure of the participating knee
  • BMI<40 kg/m2
Exclusion Criteria
  • Lawrence stage IV
  • Major axial deviation (varus> 5°, valgus > 5°)
  • Any concomitant symptomatic knee disorder (i.e. ligamentous/ meniscal injury)
  • Systemic inflammatory arthropathy
  • Hematologic diseases
  • Severe cardiovascular disease
  • Neurological disorders
  • Active infection
  • Immuno-compromised
  • Therapy with anticoagulants or antiaggregants
  • Use of NSAIDs and/or chondroprotective supplements, such as glucosamines and chondroitin sulfates, within 7 days prior to trial
  • Recent intra-articular injection of corticosteroids (within 30 days)
  • Prior treatment with HA in past 6 monthsHb< 11 g/dL
  • Platelet count < 150,000/mm3

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Human amniotic suspension allograft (ASA), 20 mgHuman amniotic suspension allograft (ASA)Human amniotic suspension allograft (ASA) contains particulated human amniotic membrane and cells derived from the amniotic fluid. The allograft is freeze-dried, terminally sterilized with low dose gamma irradiation. Arm 2 uses 20 mg ASA stored in a sterile vial (Amniogen, HTC Regenerative Ltd. New Taipei, Taiwan).
CellularMatrix (a combination of platelet-rich plasma and hyaluronic acid)Human amniotic suspension allograft (ASA)CellularMatrix (RegenLab SA, Switzerland) is composed of sterile and non-pyrogenic tubes allowing the mix of Platelet Rich Plasma (PRP) with Hyaluronic Acid (HA) in the same proportion (2mL of PRP for 2mL of HA).
Human amniotic suspension allograft (ASA), 40 mgHuman amniotic suspension allograft (ASA)Human amniotic suspension allograft (ASA) contains particulated human amniotic membrane and cells derived from the amniotic fluid. The allograft is freeze-dried, terminally sterilized with low dose gamma irradiation. Arm 1 uses 40 mg ASA stored in a sterile vial (Amniogen, HTC Regenerative Ltd. New Taipei, Taiwan).
Normal salineHuman amniotic suspension allograft (ASA)4ml of normal saline
Primary Outcome Measures
NameTimeMethod
Change of the Western Ontario and McMaster Universities Arthritis Index (WOMAC) between baseline, 1 week, and 1 ,3 ,6 ,12 months.Baseline, 1 week, 1,3,6,12 months

WOMAC is a self-administered questionnaire consisting of 24 items divided into 3 subscales:(1) Pain (5 items): during walking, using stairs, in bed, sitting or lying, and standing upright(2) Stiffness (2 items): after first waking and later in the day(3) Physical Function (17 items): using stairs, rising from sitting, standing, bending, walking, getting in / out of a car, shopping, putting on / taking off socks, rising from bed, lying in bed, getting in / out of bath, sitting, getting on / off toilet, heavy domestic duties, light domestic dutiesThe test questions are scored on a scale of 0-4, which correspond to: None (0), Mild (1), Moderate (2), Severe (3), and Extreme (4).

Secondary Outcome Measures
NameTimeMethod
Change of the International Knee Documentation Committee (IKDC Questionnaire) between baseline, 1 week, and 1 ,3 ,6 ,12 months.Baseline, 1 week, 1,3,6,12 months

The International Knee Documentation Committee Questionnaire is a knee-specific patient-reported outcome measure.The questionnaire looks at 3 categories: symptoms, sports activity, and knee function. The symptoms subscale helps to evaluate things such as pain, stiffness, swelling and giving-way of the knee. Meanwhile, the sports activity subscale focuses on functions like going up and down the stairs, rising from a chair, squatting and jumping. The knee function subscale asks patients one simple question: how is their knee at present versus how was their knee prior to injury? Scores are obtained by summing the individual items, then transforming the crude total to a scaled number that ranges from 0 to 100, This final number is interpreted as a measure of function with higher scores representing higher levels of function.

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