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Intraarticular hyaluronan or platelet-rich plasma (PRP) is each effective in the treatment for knee osteoarthritis (OA). The efficacy of combined hyaluronan with PRP for knee OA remained unclear. This study aimed to investigate the efficacy of a single intraarticular hyaluronan (HYAJOINT Plus) combined with a single PRP versus a single intraarticular PRP in patients with knee OA.
Intraarticular HA or PRP has been used for knee OA for years. Combined HA and PRP has not been widely used for OA because of lack of clinical evidence. Based on in vitro and animal studies, combining HA and PRP may benefit from their dissimilar biological mechanisms for tissue repair and have potentials to synergistically promote cartilage regeneration, inhibit OA inflammation, modulate the disease process, and improve joint homeostasis in OA. Combination of HA and PRP has much potential for the treatment of OA, but the clinical evidence of this combination remains unclear. The purpose of this study was to investigate the efficacy and safety of combined a single crosslinked HA (HYAJOINT Plus) with a single PRP versus a single PRP alone in patients with knee OA.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| the combined-injection group | Experimental | patients received a single intraarticular injection of HYAJOINT Plus (3 ml) followed by 3 ml PRP |
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| the one-injection group | Active Comparator | patients received a single injection of 3 ml PRP |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| a single intraarticular injection of HYAJOINT Plus (3 ml) followed by 3 ml PRP | Combination Product | All the injections were done by the same experienced physician using aseptic procedures. |
| Measure | Description | Time Frame |
|---|---|---|
| VAS pain score change from baseline | . The patient rated the average severity of knee pain on knee movement over the previous week on a 0-100 mm VAS (0=no pain to 100=worst possible pain) | 1,3 and 6 months |
| Measure | Description | Time Frame |
|---|---|---|
| The Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC, Likert Scale) | a 24-item questionnaire with 3 subscales measuring pain, stiffness, and physical function. Total score is 96 and higher scores indicate worse outcomes. | 1,3 and 6 months |
| Lequesne index |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Shu Fen Sun, MD | Kaohsiung Veterans General Hospital. | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Department of Physical Medicine and Rehabilitation, Veterans General Hospital, | Kaohsiung City | 813 | Taiwan | |||
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 33420185 | Derived | Sun SF, Lin GC, Hsu CW, Lin HS, Liou IS, Wu SY. Comparing efficacy of intraarticular single crosslinked Hyaluronan (HYAJOINT Plus) and platelet-rich plasma (PRP) versus PRP alone for treating knee osteoarthritis. Sci Rep. 2021 Jan 8;11(1):140. doi: 10.1038/s41598-020-80333-x. |
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| ID | Term |
|---|---|
| D020370 | Osteoarthritis, Knee |
| ID | Term |
|---|---|
| D010003 | Osteoarthritis |
| D001168 | Arthritis |
| D007592 | Joint Diseases |
| D009140 | Musculoskeletal Diseases |
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Patients with symptomatic knee OA were randomized to receive a single intraarticular injection of HYAJOINT Plus (3 ml) followed by 3 ml PRP (the combined-injection group) or a single injection of 3 ml PRP (the one-injection group).
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Study blinding was accomplished by having an investigator (blinded to the randomization and treatment) perform all the assessments
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used to assess severity of knee symptoms during the last week. It includes the measurement of pain, walking distance, and activities of daily living. Maximal score is 24 and higher scores represent worse function. |
| 1,3 and 6 months |
| Single-leg stance test (SLS) | done by raising one foot up without touching it to the supported lower extremity with target knee and maintain balance for as long as possible. Each participant performed 3 trials, and the best result of the 3 trials was recorded. | 1,3 and 6 months |
| satisfaction | Patients were asked to rate their treatment satisfaction compared to the preinjection condition, using a 100 mm VAS (0= completely dissatisfied, 100=completely satisfied). | 1,3 and 6 months |
| consumption of analgesics | Acetaminophen (500mg; maximum daily dose, 4 g) was the only rescue medication allowed for knee pain. Acetaminophen was not permitted during the 24-hour period prior to each study visit. Use of rescue medication during the study period was recorded in a patient diary. | 1,3 and 6 months |
| Kaohsiung Veterans General Hospital |
| Kaohsiung City |
| 813 |
| Taiwan |
| D012216 |
| Rheumatic Diseases |