Pain (WOMAC questionnaire. Value between 0 and 20 points). Measuring time: At baseline, and at the end of the 1st, 2nd, 3rd, 4th, 5th and 6th weeks
Stiffness (WOMAC questionnaire. Value from 0 to 8 points). Measuring time: At baseline, and at the end of the 1st, 2nd, 3rd, 4th, 5th and 6th weeks
Physical Activity Survey (WOMAC questionnaire. Value between 0 and 68 points). Measuring time: At baseline, and at the end of the 1st, 2nd, 3rd, 4th, 5th and 6th weeks
Pain (visual scale by analogy. Value between 0-no pain-worst 100 points dolor bearable). Measuring time: At baseline, and at the end of the 1st, 2nd, 3rd, 4th, 5th and 6th weeks
Biochemical Parameters (Cholesterol (mmol/L), Triglycerides (mmol/L), HDL-C (mmol/L) ), ALT (U/L), AST(U/L), Glucose (mmol/L), Creatinine (umol/L). Measuring time: At baseline and 6th weeks
Physical Status (Weight (kg), Rate (beats/min), Blood pressure (mm Hg)). Measuring time: At baseline, and at the end of the 1st, 2nd, 3rd, 4th, 5th and 6th weeks
Adverse events (description (AE name), Intensity (mild, moderate, severe), causality (definitely related, probably related, possibly related, unrelated)). Measuring time: At baseline, and at the end of the 1st, 2nd, 3rd, 4th, 5th and 6th weeks