Abstract
Objective: to study the specific features of the symptomatic effect and tolerability of acetaminophen, glucosamine sulfate (GS), chondroitin sulfate (CS), and meloxicam in patents with knee osteoarthritis (OA). Subjects and methods. An 18-month open-label randomized prospective parallel-group trial enrolled 80 patients with knee OA who fulfilled the American College of Rheumatology criteria and signed the informed consent. They had Kellgren and Lawrence grades O-III OA with visual analogue scale pain intensity of ≥ 40 mm in the target knee, a body mass index of ≤ 35 kg/m 2 , and no clinical dysfunctions of vital organs and systems. The patients were randomized into 4 groups: 1) acetaminophen 2 g daily; 2) a standard GS regimen; 3) a standard CS regimen; 4) meloxicam 15 mg daily. The patients were followed up for 18 months. The effectiveness was evaluated by the WOMAC questionnaire, Leguesne index, and OMERACT-OARSI (D scenario) during 8 visits. Laboratory and clinical examination as well as electrocardiography were performed. Adverse events were recorded during each visit. Results. After 4 weeks of treatment, symptomatic improvement was noted in all groups; however, the best effect was achieved by the use of meloxicam that ensured an obvious improvement in all patients. According to the OMERACT-OARSI criteria and changes in the WOMAC and Leguesne indices, the total efficacy of meloxicam was also highest. 20, 10, and 15% of the patients failed to respond to treatment in the acetaminophen, GS, and CS groups, respectively. Conclusion. The results of this trial suggest that it is expedient to use GS, CS, and meloxicam long, support the recent guidelines of the European Society for Clinical and Economic Aspects of Osteoporosis and OA (ESCEO), and can give proofs of the efficiency and safety of GS, CS, and meloxicam used in the treatment of knee OA.
Highlights
CURRENT PHARMACOTHERAPY FOR KNEE OSTEOARTHRITIS: SPECIFIC FEATURES OF SYMPTOMATIC AND DISEASE MODIFYING EFFECTS
The patients were randomized into 4 groups: 1) acetaminophen 2 g daily; 2) a standard GS regimen; 3) a standard CS regimen; 4) meloxicam 15 mg daily
The effectiveness was evaluated by the WOMAC questionnaire, Leguesne index, and OMERACT-OARSI (D scenario) during 8 visits
Summary
Современная фармакотерапия остеоартроза коленных суставов: особенности симптоматического и болезнь-модифицирующего действия. Цель – изучить особенности симптоматического действия и переносимости ацетаминофена, глюкозамина сульфата (ГС), хондроитина сульфата (ХС) и мелоксикама у больных остеоартрозом (ОА) коленных суставов (КС) Материал и методы. Эффективность оценивалась во время 8 визитов по опроснику WOMAC, индексу Leguesne и по критериям OMERACT-OARSI (сценарий Д). An 18-month open-label randomized prospective parallel-group trial enrolled 80 patients with knee OA who fulfilled the American College of Rheumatology criteria and signed the informed consent. They had Kellgren and Lawrence grades O-III OA with visual analogue scale pain intensity of ≥ 40 mm in the target knee, a body mass index of ≤ 35 kg/m2, and no clinical dysfunctions of vital organs and systems. According to the OMERACT-OARSI criteria and changes in the WOMAC and Leguesne indices, the total efficacy of meloxicam was highest. 20, 10, and 15% of the patients failed to respond to treatment in the acetaminophen, GS, and CS groups, respectively
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