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Broad synthesis / Overview of systematic reviews

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Massage for Pain: An Evidence Map.

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Journal Journal of alternative and complementary medicine (New York, N.Y.)
Year 2019
Links Pubmed DOI PubMed Central

This article includes 53 Systematic reviews Systematic reviews (53 references)

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OBJECTIVES: Massage therapy has been proposed for painful conditions, but it can be difficult to understand the breadth and depth of evidence, as various painful conditions may respond differently to massage. The authors conducted an evidence mapping process and generated an "evidence map" to visually depict the distribution of evidence available for massage and various pain indications to identify gaps in evidence and to inform future research priorities. DESIGN: The authors searched PubMed, Embase, and Cochrane for systematic reviews reporting pain outcomes for massage therapy. The authors assessed the quality of each review using the Assessing the Methodological Quality of Systematic Reviews (AMSTAR) criteria. The authors used a bubble plot to depict the number of included articles, pain indication, effect of massage for pain, and strength of findings for each included systematic review. RESULTS: The authors identified 49 systematic reviews, of which 32 were considered high quality. Types of pain frequently included in systematic reviews were cancer pain, low back pain, and neck pain. High quality reviews concluded that there was low strength of evidence of potential benefits of massage for labor, shoulder, neck, low back, cancer, arthritis, postoperative, delayed onset muscle soreness, and musculoskeletal pain. Reported attributes of massage interventions include style of massage, provider, co-interventions, duration, and comparators, with 14 high-quality reviews reporting all these attributes in their review. CONCLUSION: Prior reviews have conclusions of low strength of evidence because few primary studies of large samples with rigorous methods had been conducted, leaving evidence gaps about specific massage type for specific pain. Primary studies often do not provide adequate details of massage therapy provided, limiting the extent to which reviews are able to draw conclusions about characteristics such as provider type.

Broad synthesis

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Topical capsaicin for pain in osteoarthritis: A literature review.

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Authors Guedes V , Castro JP , Brito I
Journal Reumatologia clinica
Year 2018
Links Pubmed DOI

This article includes 3 Systematic reviews Systematic reviews (3 references)

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Osteoarthritis is the most common joint disorder worldwide. The predominant symptom, pain, is usually treated with acetaminophen or oral non-steroidal anti-inflammatory drugs, although they are associated with a significant risk of side effects. Topical capsaicin may represent an effective and safe alternative. The aim of this review is to examine the evidence for the efficacy and safety profile of topical capsaicin in the management of pain caused by osteoarthritis. Databases were searched for articles published between 2004 and 2016, in Portuguese, English or Spanish, using the search terms "capsaicin" and "osteoarthritis". When compared to placebo, it was found that topical capsaicin has a good safety profile and efficacy in reducing osteoarthritis pain of the hand, knee, hip or shoulder. However, the studies have significant limitations, the most important the difficulty of blinding. It is attributed to this review the strength of recommendation B.

Broad synthesis / Living FRISBEE

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Is glucosamine effective for osteoarthritis?

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Journal Medwave
Year 2017
Links Pubmed DOI

This article includes 11 Systematic reviews Systematic reviews (11 references) 36 Primary studies Primary studies (36 references)

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Osteoarthritis is the most prevalent chronic articular disease, in which pain is one of the main symptoms and a major determinant of functional loss. Several therapeutic options have been proposed, including glucosamine, but its actual usefulness has not yet been established. To answer this question, we searched in Epistemonikos database, which is maintained by screening multiple databases. We identified 11 systematic reviews including 35 randomized trials answering the question of interest. We extracted data, conducted a meta-analysis and generated a summary of findings table using the GRADE approach. We concluded it is not clear whether glucosamine decreases pain or improves functionality in osteoarthritis because the certainty of the evidence is very low.

Broad synthesis

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Effective treatment options for musculoskeletal pain in primary care: A systematic overview of current evidence.

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Journal PloS one
Year 2017
Links Pubmed DOI PubMed Central

This article includes 3 Primary studies Primary studies (3 references) 135 Systematic reviews Systematic reviews (135 references)

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BACKGROUND & AIMS: Musculoskeletal pain, the most common cause of disability globally, is most frequently managed in primary care. People with musculoskeletal pain in different body regions share similar characteristics, prognosis, and may respond to similar treatments. This overview aims to summarise current best evidence on currently available treatment options for the five most common musculoskeletal pain presentations (back, neck, shoulder, knee and multi-site pain) in primary care. METHODS: A systematic search was conducted. Initial searches identified clinical guidelines, clinical pathways and systematic reviews. Additional searches found recently published trials and those addressing gaps in the evidence base. Data on study populations, interventions, and outcomes of intervention on pain and function were extracted. Quality of systematic reviews was assessed using AMSTAR, and strength of evidence rated using a modified GRADE approach. RESULTS: Moderate to strong evidence suggests that exercise therapy and psychosocial interventions are effective for relieving pain and improving function for musculoskeletal pain. NSAIDs and opioids reduce pain in the short-term, but the effect size is modest and the potential for adverse effects need careful consideration. Corticosteroid injections were found to be beneficial for short-term pain relief among patients with knee and shoulder pain. However, current evidence remains equivocal on optimal dose, intensity and frequency, or mode of application for most treatment options. CONCLUSION: This review presents a comprehensive summary and critical assessment of current evidence for the treatment of pain presentations in primary care. The evidence synthesis of interventions for common musculoskeletal pain presentations shows moderate-strong evidence for exercise therapy and psychosocial interventions, with short-term benefits only from pharmacological treatments. Future research into optimal dose and application of the most promising treatments is needed.

Broad synthesis / Living FRISBEE

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Is chondroitin sulfate effective for osteoarthritis?

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Journal Medwave
Year 2017
Links Pubmed DOI

This article includes 13 Systematic reviews Systematic reviews (13 references) 52 Primary studies Primary studies (52 references)

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Osteoarthritis is the most prevalent chronic articular disease, in which pain is one of the main symptoms and the major determinant of functional loss. Several therapeutic options have been proposed, including chondroitin sulfate, but its actual usefulness has not yet been established. To answer this question we searched in Epistemonikos database, which is maintained by screening multiple information sources. We identified 13 systematic reviews including 50 randomized trials overall. We extracted data, conducted a meta-analysis and generated a summary of findings table using the GRADE approach. We concluded it is not clear whether the use of chondroitin sulfate leads to an improvement in pain or functionality in osteoarthritis because the certainty of the evidence is very low.

Broad synthesis / Overview of systematic reviews

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Efficacy, tolerability, and safety of non-pharmacological therapies for chronic pain: An umbrella review on various CAM approaches.

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Authors Houzé B , El-Khatib H , Arbour C
Journal Progress in neuro-psychopharmacology & biological psychiatry
Year 2017
Links Pubmed DOI

This article includes 26 Systematic reviews Systematic reviews (26 references)

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BACKGROUND: Complementary and alternative medicine (CAM) therapies may be used as a non-pharmacological approach to chronic pain management. While hundreds of trials about individual CAM modality have been conducted, a comprehensive overview of their results is currently lacking for pain clinicians and researchers. AIM: This umbrella review synthesized the quality of meta-analytic evidence supporting the efficacy, tolerability and safety of CAM therapies for the management of chronic pain. MATERIALS & METHODS: MEDLINE, EMBASE, CINAHL, and CENTRAL were searched from October 1991 to November 2016. Reviews of clinical trials (randomized and non-randomized) with meta-analysis investigating the utility of any CAM modality for chronic pain were eligible. Pain relief post-intervention was the main outcome and secondary outcomes included patients' adherence and incidence of adverse effects during CAM protocol. RESULTS: Twenty-six reviews (207 clinical trials, >12,000 participants) about 18 CAM modalities, falling under natural products, mind and body practices or other complementary health approaches were included. Inhaled cannabis, graded motor imagery, and Compound Kushen injection (a form of Chinese medicine) were found the most efficient (with moderate-to-high effect sizes and low heterogeneity) and tolerable (≥80% of adherence to study protocols) for chronic pain relief. When reported, adverse effects related to these CAM were minor. CONCLUSION: Although several CAM were found effective for chronic pain relief, it remains unclear when these modalities are a reasonable choice against or in conjunction with mainstream treatments. In that sense, future research with a clear emphasis on concurrent evaluation of CAM overall efficacy and patient adherence/tolerance is needed.

Broad synthesis / Overview of systematic reviews

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Intra-articular Hyaluronic Acid in Treating Knee Osteoarthritis: a PRISMA-Compliant Systematic Review of Overlapping Meta-analysis.

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Authors Xing D , Wang B , Liu Q , Ke Y , Xu Y , Li Z , Lin J
Journal Scientific reports
Year 2016
Links Pubmed DOI PubMed Central

This article includes 11 Systematic reviews Systematic reviews (11 references) 1 Primary study Primary studies (1 reference)

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Numerous meta-analyses have been conducted aiming to compare hyaluronic acid (HA) and placebo in treating knee osteoarthritis (OA). Nevertheless, the conclusions of these meta-analyses are not in consistency. The purpose of the present study was to perform a systematic review of overlapping meta-analyses investigating the efficacy and safety of HA for Knee OA and to provide treatment recommendations through the best evidence. A systematic review was conducted based on the PRISMA guidelines. The meta-analyses and/or systematic reviews that compared HA and placebo for knee OA were identified. AMSTAR instrument was used to evaluate the methodological quality of individual study. The information of heterogeneity within each variable was fetched for the individual studies. Which meta-analyses can provide best evidence was determined according to Jadad algorithm. Twelve meta-analyses met the eligibility requirements. The Jadad decision making tool suggests that the highest quality review should be selected. As a result, a high-quality Cochrane review was included. The present systematic review of overlapping meta-analyses demonstrates that HA is an effective intervention in treating knee OA without increased risk of adverse events. Therefore, the present conclusions may help decision makers interpret and choose among discordant meta-analyses.

Broad synthesis / Living FRISBEE

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Are intraarticular steroids effective for knee osteoarthritis?

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Journal Medwave
Year 2016
Links Pubmed DOI

This article includes 12 Systematic reviews Systematic reviews (12 references) 39 Primary studies Primary studies (39 references)

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Knee osteoarthritis is a chronic disabling condition that is both progressive and irreversible. Intraarticular steroids are commonly used to reduce osteoarthritis symptoms and to minimize the need for surgery. Nevertheless, debate still exists regarding the efficacy and safety of steroids. To address this point, we searched Epistemonikos database which is maintained by screening 30 separate databases and identified 12 systematic reviews including 41 studies addressing steroids use in knee osteoarthritis. Of these, 40 were randomized trials. The evidence from these studies was combined using meta-analysis, and a summary of findings table was constructed following the GRADE approach. We concluded intraarticular steroid use slightly decreases short-term pain, makes little or no difference in the mid-term, and may have no effects in the long-term.

Broad synthesis / Overview of systematic reviews

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Effectiveness of Homeopathy for Clinical Conditions: Evaluation of the Evidence

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Authors Optum
Report Prepared for the National Health and Medical Research Council; Canberra
Year 2015
Links nhmrc.gov.au

This article includes 46 Systematic reviews Systematic reviews (46 references)

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Broad synthesis / Overview of systematic reviews

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Is Local Viscosupplementation Injection Clinically Superior to Other Therapies in the Treatment of Osteoarthritis of the Knee: A Systematic Review of Overlapping Meta-analyses.

Journal Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association
Year 2015
Links Pubmed DOI

This article includes 13 Systematic reviews Systematic reviews (13 references) 1 Primary study Primary studies (1 reference)

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PURPOSE: To conduct a systematic review of overlapping meta-analyses comparing treatment of knee osteoarthritis (OA) with intra-articular viscosupplementation (intra-articular hyaluronic acid [IA-HA]) versus oral nonsteroidal anti-inflammatory drugs (NSAIDs), intra-articular corticosteroids (IA-corticosteroids), intra-articular platelet-rich plasma (IA-PRP), or intra-articular placebo (IA-placebo) to determine which meta-analyses provide the best current evidence and identify potential causes of discordance. METHODS: Literature searches were performed for meta-analyses examining use of IA-HA versus NSAIDs, IA-corticosteroids, IA-PRP, or IA-placebo. Clinical data were extracted, and meta-analysis quality was assessed. The Jadad algorithm was applied to determine which meta-analyses provided the highest level of evidence. RESULTS: Fourteen meta-analyses met the eligibility criteria and ranged in quality from Level I to IV evidence. In studies reporting patient numbers, there were a total of 20,049 patients: 13,698 receiving IA-HA, 355 receiving NSAIDs, 294 receiving IA-corticosteroids, and 5,702 receiving IA-placebo. Ten studies examined the effects of IA-HA versus IA-placebo; of these, 5 found that IA-HA improved pain and 4 found that IA-HA improved function. No clinically relevant differences in the efficacy of IA-HA versus NSAIDs regarding pain and function were found. Regarding IA-HA versus IA-PRP, IA-HA improved knee function at 2 and 6 months after injection but the effects were less robust than those of IA-PRP. Regarding IA-HA versus IA-corticosteroids, the positive effects of IA-HA were greater at 5 to 13 weeks and persisted for up to 26 weeks. After application of the Jadad algorithm, 2 concordant high-quality meta-analyses were selected and both showed that IA-HA provided clinically relevant improvements in pain and function compared with IA-placebo. CONCLUSIONS: This systematic review of overlapping meta-analyses comparing IA-HA with other nonoperative treatment modalities for knee OA shows that the current highest level of evidence suggests that IA-HA is a viable option for knee OA. Its use results in improvements in knee pain and function that can persist for up to 26 weeks. IA-HA has a good safety profile, and its use should be considered in patients with early knee OA. LEVEL OF EVIDENCE: Level IV, systematic review of Level I to IV studies.