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. 2006 Apr 19;2006(2):CD005321. doi: 10.1002/14651858.CD005321.pub2

Kalay 1997.

Methods Randomised
 Controlled
 Trial
 Open‐label
 Parallel‐group
 1 wk washout
 ITT analysis
Participants Country:
 Turkey
 Mean age: 61
 % Female: 78
 Mean disease duration: NR
 Duration: 56 days
 Number randomised: 40
 (HA 20, PT 20)
 Inclusion:
 idiopathic OA according ACR criteria
 AP xray Kellgren and Lawrence 2 or 3 study knee and <4 other knee
 >40 yr
 walk 25 m without help
 stop all NSAIDs and muscle relaxants 1 wk before study
 Exclusion:
 ia inj or important trauma episode within last 3 mths
 oral or im steroid episode within last 2 mths
 HA inj within last 12 mths
 start of quadriceps exercise program in last 4 mths
 presence of fixed flexion contracture at knee >10 degrees
 valgus/varus >15 degrees on standing knee xrays
 anticoagulant treatment
 knee surgery episode
 joint diseases: secondary OA or inflammatory jt disease, pseudo
 ‐gout attack in last 3 mths, FM, intrajoint tumor, excessive symptoms in same hip or other knee that may interfere with study, anserine bursitis
 functional damages: hemi‐
 paresis episode
 others: multiple i‐a inj or aspiration,liver or kidney disease, pregnancy, lacta‐
 tion, insufficient contraception, peripheral neuropathy or vascular inadequacy, osteonecrosis, immune suppresive disease, diabetes mellitus
 Baseline values:
 spontaneous pain
 HA:2.61, PT:2.21
 activity pain
 HA:4.68, PT:3.71
 night pain
 HA:2.43, PT:2.17
 25 m walk time
 HA:22.4, PL:18.6
Interventions Sodium hyaluronate 1.5% 15 mg/ml
 2 ml Orthovisc
 2 weekly injections
 + 5 days/wk for a total of 10 sessions in‐patient physical therapy program (paraffin, short wave, quadriceps exercises) directed towards knees
 Physical therapy program only
 Concurrent therapy:
 Paracetamol per‐
 mitted
Outcomes spontaneous pain, pain during daily activities and night pain (0‐4:
 0=none,1=light, 2=medium, 3=
 strong, 4=very
 strong and 100 mm VAS)
 paracetamol use
 morning stiffness (min)
 range of motion: flexion/extension goniometer
 knee circumfer‐
 ence
 25 metre walk time
 pt global (1‐4)
 MD global (1‐4)
 (1=ineffective,2=
 slightly effective,
 3=effective, 4=
 very effective)
 side effects
Notes Jadad's: 2/5
 R‐1,B‐0,W‐1
 If bilateral OA, more symptomatic knee in study
Risk of bias
Bias Authors' judgement Support for judgement
Allocation concealment (selection bias) Unclear risk B ‐ Unclear