Systematic reviews included in this broad synthesis

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Systematic review

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Efficacy and Safety of Celecoxib and a Korean SYSADOA (JOINS) for the Treatment of Knee Osteoarthritis: A Systematic Review and Meta-Analysis

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Authors Park YB , Kim JH
Journal Journal of clinical medicine
Year 2025
Links Pubmed DOI PubMed Central

This article includes 23 Primary studies 23 Primary studies (23 references)

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Background: The efficacy of cyclooxygenase-2 (COX-2) inhibitors, including celecoxib, in managing knee osteoarthritis (KO) is well-established. Recently, the plant extract cocktail JOINS (SKI306X and its newer formulation, SKCPT) has been shown to be an effective slow-acting drug for KO. Aims: To compare the efficacy and safety of celecoxib and JOINS in patients with KO. Methods: A systematic search of the MEDLINE, Embase, and Cochrane Library databases identified randomized controlled trials (RCTs) assessing the effectiveness and safety of celecoxib and JOINS. The outcomes included pain relief, functional improvement, and safety profiles. Outcome measurements were compared between the celecoxib and JOINS cohorts at the short-term (closest to 3 months) and mid-term (closest to 12 months). Results: Overall, 23 RCTs involving 3367 patients were included in this systematic review. The efficacy of JOINS in reducing pain, as indicated by the visual analog scale (VAS) score, was comparable to that of celecoxib. Regarding functional improvement assessed using the Western Ontario and McMaster University Arthritis Index (WOMAC), JOINS showed improvement comparable to that of celecoxib regardless of follow-up. In addition, no significant difference was observed in the incidence of adverse events between the celecoxib and JOINS cohorts. Conclusions: The results of this study suggest that JOINS could be considered as a pharmacological agent with significant efficacy for pain relief and functional improvement in patients with KO in clinical practice. © 2025 by the authors.

Systematic review

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Efficacy of ultramicronised diclofenac in patients with osteoarthritis - systematic review with network meta-analysis.

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Journal European review for medical and pharmacological sciences
Year 2021
Links Pubmed DOI

This article includes 11 Primary studies 11 Primary studies (11 references)

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OBJECTIVE: This systematic review with network meta-analysis was performed to compare the effectiveness of oral anti-inflammatory drugs used in Brazil for osteoarthritis. PATIENTS AND METHODS: Randomized clinical trials evaluating ultramicronised diclofenac, diclofenac, celecoxib, etodolac and placebo in patients with osteoarthritis were identified. A search was conducted in May 2021 through PubMed, Scopus and Web of Science databases. A network meta-analysis was developed for efficacy outcome related to analgesia measured by the pain subscale of the Western Ontario and McMaster Universities tool. In addition, surface under the cumulative ranking was performed to rank the drugs in relation to this outcome. RESULTS: Twelve randomized clinical trials were included. Overall, ultramicronised diclofenac 105 mg/day (UD105) was better than all the others, including ultramicronised diclofenac 70 mg/day (UD70). In addition, surface under the cumulative ranking resulted in the following order: 1) ultramicronised diclofenac 105 mg/day (100%), 2) ultramicronised diclofenac 70 mg/day (80%), 3) celecoxib 200 mg/day (49%), 4) diclofenac 100 mg/day (48%), 5) placebo (19%) and 6) diclofenac 150 mg/day (6%). CONCLUSIONS: Ultramicronised diclofenac demonstrated superior efficacy compared to other conventional anti-inflammatory drugs and placebo in relieving osteoarthritis pain.

Systematic review

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Effectiveness and safety of non-steroidal anti-inflammatory drugs and opioid treatment for knee and hip osteoarthritis: network meta-analysis.

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Journal BMJ (Clinical research ed.)
Year 2021
Links Pubmed DOI PubMed Central

This article includes 145 Primary studies 152 Primary studies (145 references)

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OBJECTIVE: To assess the effectiveness and safety of different preparations and doses of non-steroidal anti-inflammatory drugs (NSAIDs), opioids, and paracetamol for knee and hip osteoarthritis pain and physical function to enable effective and safe use of these drugs at their lowest possible dose. DESIGN: Systematic review and network meta-analysis of randomised trials. DATA SOURCES: Cochrane Central Register of Controlled Trials (CENTRAL), Medline, Embase, regulatory agency websites, and ClinicalTrials.gov from inception to 28 June 2021. ELIGIBILITY CRITERIA FOR SELECTING STUDIES: Randomised trials published in English with ≥100 patients per group that evaluated NSAIDs, opioids, or paracetamol (acetaminophen) to treat osteoarthritis. OUTCOMES AND MEASURES: The prespecified primary outcome was pain. Physical function and safety outcomes were also assessed. REVIEW METHODS: Two reviewers independently extracted outcomes data and evaluated the risk of bias of included trials. Bayesian random effects models were used for network meta-analysis of all analyses. Effect estimates are comparisons between active treatments and oral placebo. RESULTS: 192 trials comprising 102 829 participants examined 90 different active preparations or doses (68 for NSAIDs, 19 for opioids, and three for paracetamol). Five oral preparations (diclofenac 150 mg/day, etoricoxib 60 and 90 mg/day, and rofecoxib 25 and 50 mg/day) had ≥99% probability of more pronounced treatment effects than the minimal clinically relevant reduction in pain. Topical diclofenac (70-81 and 140-160 mg/day) had ≥92.3% probability, and all opioids had ≤53% probability of more pronounced treatment effects than the minimal clinically relevant reduction in pain. 18.5%, 0%, and 83.3% of the oral NSAIDs, topical NSAIDs, and opioids, respectively, had an increased risk of dropouts due to adverse events. 29.8%, 0%, and 89.5% of oral NSAIDs, topical NSAIDs, and opioids, respectively, had an increased risk of any adverse event. Oxymorphone 80 mg/day had the highest risk of dropouts due to adverse events (51%) and any adverse event (88%). CONCLUSIONS: Etoricoxib 60 mg/day and diclofenac 150 mg/day seem to be the most effective oral NSAIDs for pain and function in patients with osteoarthritis. However, these treatments are probably not appropriate for patients with comorbidities or for long term use because of the slight increase in the risk of adverse events. Additionally, an increased risk of dropping out due to adverse events was found for diclofenac 150 mg/day. Topical diclofenac 70-81 mg/day seems to be effective and generally safer because of reduced systemic exposure and lower dose, and should be considered as first line pharmacological treatment for knee osteoarthritis. The clinical benefit of opioid treatment, regardless of preparation or dose, does not outweigh the harm it might cause in patients with osteoarthritis. SYSTEMATIC REVIEW REGISTRATION: PROSPERO number CRD42020213656.

Systematic review

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Comparative efficacy and safety of acetaminophen, topical and oral non-steroidal anti-inflammatory drugs for knee osteoarthritis: evidence from a network meta-analysis of randomized controlled trials and real-world data.

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Journal Osteoarthritis and cartilage
Year 2021
Links Pubmed DOI

This article includes 121 Primary studies 121 Primary studies (121 references)

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OBJECTIVE: Current global guidelines regarding the first-line analgesics (acetaminophen, topical or oral non-steroidal anti-inflammatory drugs [NSAIDs]) for knee osteoarthritis remain controversial and their comparative risk-benefit profiles have yet to be adequately assessed. DESIGN: Pubmed, Embase, Cochrane Library, and Web of Science were searched from database inception to March 2021 for randomized controlled trials (RCTs) comparing acetaminophen, topical NSAIDs and oral NSAIDs directly or indirectly in knee osteoarthritis. Bayesian network meta-analyses were conducted. A propensity-score matched cohort study was also conducted among patients with knee osteoarthritis in The Health Improvement Network database. RESULTS: 122 RCTs (47,113 participants) were networked. Topical NSAIDs were superior to acetaminophen (standardized mean difference [SMD]=-0.29, 95% credible interval [CrI]: -0.52 to -0.06) and not statistically different from oral NSAIDs (SMD=0.03, 95% CrI: -0.16 to 0.22) for function. It had lower risk of gastrointestinal adverse effects (AEs) than acetaminophen (relative risk [RR]=0.52, 95%CrI: 0.35 to 0.76) and oral NSAIDs (RR=0.46, 95%CrI: 0.34 to 0.61) in RCTs. In real-world data, topical NSAIDs showed lower risks of all-cause mortality (hazard ratio [HR]=0.59, 95% confidence interval [CI]: 0.52 to 0.68), cardiovascular diseases (HR=0.73, 95%CI: 0.63 to 0.85) and gastrointestinal bleeding (HR=0.53, 95%CI: 0.41 to 0.69) than acetaminophen during the one-year follow-up (n=22,158 participants/group). A better safety profile was also observed for topical than oral NSAIDs (n=14,218 participants/group). CONCLUSIONS: Topical NSAIDs are more effective than acetaminophen but not oral NSAIDs for function improvement in people with knee osteoarthritis. Topical NSAIDs are safer than acetaminophen or oral NSAIDs in trials and real-world data.

Systematic review

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Duration of Symptom Relief and Early Trajectory of Adverse Events for Oral NSAIDs in Knee Osteoarthritis: A Systematic Review and Meta-analysis.

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Journal Arthritis care & research
Year 2020
Links Pubmed DOI PubMed Central

This article includes 67 Primary studies 73 Primary studies (67 references)

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OBJECTIVE: Despite an extensive body of research on NSAIDs in osteoarthritis, the duration of their efficacy and timeline of adverse event (AE) onset have been understudied. We conducted a systematic review and meta-analyses from 2 to 26 weeks to characterize the efficacy and AE trajectories of oral NSAIDs in knee osteoarthritis. METHODS: We searched MEDLINE, EMBASE, Web of Science, Google Scholar, and the Cochrane Database from inception to May 2018. RCTs assessing the efficacy and/or safety of FDA-approved NSAIDs in knee osteoarthritis patients were included. Two independent reviewers assessed quality and extracted data. We calculated standardized mean differences and risk ratios with 95% confidence intervals. RESULTS: We included 72 RCTs (26,424 participants). NSAIDs demonstrated moderate, statistically significant effects on pain that peaked at 2 weeks (SMD -0.43 [-0.48, -0.38]), but the magnitude of the effects decreased over time. The results for function were similar. The incidence of GI AEs was significantly higher in NSAID users than placebo users as early as 4 weeks (RR 1.38 [1.21, 1.57]). The incidence of CV AEs in NSAID users was not significantly different from placebo. Most GI and CV AEs were transient and of minor severity. CONCLUSION: NSAIDs produced significant pain and function improvements that peaked at 2 weeks but decreased over time. The incidence of minor GI and CV AEs consistently rose, reaching significance as early as 4 weeks. Clinicians should weigh the durability of efficacy with the early onset of minor AEs along with patient tolerability and preferences when formulating an NSAID regimen. This article is protected by copyright. All rights reserved.

Systematic review

Unclassified

Duration of Symptom Relief and Early Trajectory of Adverse Events for Oral Nonsteroidal Antiinflammatory Drugs in Knee Osteoarthritis: A Systematic Review and Meta-Analysis.

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Journal Arthritis Care & Research
Year 2020
Links Pubmed DOI PubMed Central

This article includes 67 Primary studies 73 Primary studies (67 references)

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OBJECTIVE: Despite an extensive body of research on nonsteroidal antiinflammatory drugs (NSAIDs) in osteoarthritis, the duration of their efficacy and timeline of adverse event (AE) onset have been understudied. We conducted a systematic review and meta-analyses from 2 to 26 weeks to characterize the efficacy and AE trajectories of oral NSAIDs in knee osteoarthritis.METHODS: We searched MEDLINE, Embase, Web of Science, Google Scholar, and the Cochrane Database from inception to May 2018. Randomized controlled trials assessing the efficacy and/or safety of Federal Drug Administration-approved NSAIDs in knee osteoarthritis patients were included. Two independent reviewers assessed quality and extracted data. We calculated standardized mean differences (SMDs) and risk ratios (RRs) with 95% confidence intervals (95% CIs).RESULTS: We included 72 randomized controlled trials (26,424 participants). NSAIDs demonstrated moderate, statistically significant effects on pain that peaked at 2 weeks (SMD -0.43 [95% CI -0.48, -0.38]), but the magnitude of the effects decreased over time. The results for function were similar. The incidence of gastrointestinal (GI) AEs was significantly higher in NSAID users than placebo users as early as 4 weeks (RR 1.38 [95% CI 1.21, 1.57]). The incidence of cardiovascular (CV) AEs in NSAID users was not significantly different from placebo. Most GI and CV AEs were transient and of minor severity.CONCLUSION: NSAIDs produced significant pain and function improvements that peaked at 2 weeks but decreased over time. The incidence of minor GI and CV AEs consistently rose, reaching significance as early as 4 weeks. Clinicians should weigh the durability of efficacy with the early onset of minor AEs along with patient tolerability and preferences when formulating an NSAID regimen.

Systematic review

Unclassified

Safety of Cyclooxygenase-2 Inhibitors in Osteoarthritis: Outcomes of a Systematic Review and Meta-Analysis.

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Journal Drugs & aging
Year 2019
Links Pubmed DOI PubMed Central

This article includes 35 Primary studies 38 Primary studies (35 references)

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OBJECTIVE: Our aim was to assess the safety of cyclooxygenase-2 (COX-2) inhibitors in the management of osteoarthritis (OA) in a systematic review and meta-analysis of randomized, placebo-controlled trials. METHODS: A comprehensive literature search was undertaken in the databases MEDLINE, Cochrane Central Register of Controlled Trials (Ovid CENTRAL) and Scopus. Randomized, double-blind, placebo-controlled, parallel-group trials that assessed adverse events (AEs) with COX-2 inhibitors in patients with OA were eligible for inclusion. Two authors appraised titles, abstracts and full-text papers for suitability and then assessed the studies for random sequence generation, allocation concealment, blinding of participants and personnel, blinding of outcome assessment, incomplete outcome data and selective outcomes reporting. The primary outcomes of interest were gastrointestinal disorders, cardiac disorders, vascular disorders, nervous system disorders, skin and subcutaneous tissue disorders, hepatobiliary disorders, renal and urinary disorders, as well as overall severe and serious AEs, drug-related AEs and mortality. Secondary outcomes were withdrawals due to AEs (i.e. the number of participants who stopped the treatment due to an AE) and total number of AEs (i.e. the number of patients who experienced any AE at least once). RESULTS: Database searches identified 2149 records from which, after exclusions, 40 trials were included in the meta-analysis. The use of COX-2 inhibitors in OA was associated with a significant increased risk of drug-related AEs compared with placebo (relative risk (RR) 1.26, 95% CI 1.09-1.46; I2 = 24%). The risk of upper gastrointestinal complications (including dyspepsia, gastritis and heartburn) was significantly increased with COX-2 inhibitors versus placebo (RR 1.19, 95% CI 1.03-1.38; I2 = 0%), particularly for abdominal pain, which increased by 40% with COX-2 inhibitors (RR 1.40, 95% CI 1.08-1.80; I2 = 0%). The risk of hypertension increased by 45% overall (RR 1.45, 95% CI 1.01-2.10; I2 = 25%); however, when rofecoxib was removed from the analysis the risk of hypertension in the COX-2 inhibitor group was no longer significant (RR 1.21, 95% CI 0.80-1.83; I2 = 20%). The overall risk of heart failure and edema was increased by nearly 70% with COX-2 inhibitors versus placebo (RR 1.68, 95% CI 1.22-2.31; 0%) and this level of risk did not change appreciably when rofecoxib was excluded (RR 1.67, 95% CI 1.21-2.29; 0%). CONCLUSIONS: In our analysis, COX-2 inhibitors were associated with an increased risk of upper gastrointestinal AEs, especially abdominal pain. We also found an increased risk of cardiovascular AEs with COX-2 inhibitors, namely hypertension, heart failure and edema.

Systematic review

Unclassified

Mixed Treatment Comparisons for Nonsurgical Treatment of Knee Osteoarthritis: A Network Meta-analysis.

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Journal The Journal of the American Academy of Orthopaedic Surgeons
Year 2018
Links Pubmed DOI

This article includes 52 Primary studies 54 Primary studies (52 references)

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INTRODUCTION: Knee osteoarthritis (KOA) is a significant health problem with lifetime risk of development estimated to be 45%. Effective nonsurgical treatments are needed for the management of symptoms. METHODS: We designed a network meta-analysis to determine clinically relevant effectiveness of nonsteroidal anti-inflammatory drugs, acetaminophen, intra-articular (IA) corticosteroids, IA platelet-rich plasma, and IA hyaluronic acid compared with each other as well as with oral and IA placebos. We used PubMed, EMBASE, and Cochrane Central Register of Controlled Trials to perform a systematic search of KOA treatments with no date limits and last search on October 7, 2015. Article inclusion criteria considered the following: target population, randomized controlled study design, English language, human subjects, treatments and outcomes of interest, ≥30 patients per group, and consistent follow-up. Using the best available evidence, two abstractors independently extracted pain and function data at or near the most common follow-up time. RESULTS: For pain, all active treatments showed significance over oral placebo, with IA corticosteroids having the largest magnitude of effect and significant difference only over IA placebo. For function, no IA treatments showed significance compared with either placebo, and naproxen was the only treatment showing clinical significance compared with oral placebo. Cumulative probabilities showed naproxen to be the most effective individual treatment, and when combined with IA corticosteroids, it is the most probable to improve pain and function. DISCUSSION: Naproxen ranked most effective among conservative treatments of KOA and should be considered when treating pain and function because of its relative safety and low cost. The best available evidence was analyzed, but there were instances of inconsistency in the design and duration among articles, potentially affecting uniform data inclusion.

Systematic review

Unclassified

Comparative effectiveness of glucosamine, chondroitin, acetaminophen or celecoxib for the treatment of knee and/or hip osteoarthritis: a network meta-analysis.

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Authors Zhu X , Wu D , Sang L , Wang Y , Shen Y , Zhuang X , Chu M , Jiang L
Journal Clinical and experimental rheumatology
Year 2018
Links Pubmed

This article includes 58 Primary studies 59 Primary studies (58 references)

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OBJECTIVES: To compare the efficacies of oral glucosamine, chondroitin, the combination of glucosamine and chondroitin, acetaminophen and celecoxib on the treatment of knee and/or hip osteoarthritis. METHODS: We searched electronic databases including PubMed, Embase, and Cochrane Library and the reference lists of relevant articles published from inception to October 23, 2017. A Bayesian hierarchical random effects model was used to examine the overall effect size among mixed multiple interventions. RESULTS: We identified 61 randomised controlled trials of patients with knee and/or hip osteoarthritis. There was no obvious difference in the results between the traditional meta-analysis and the network meta-analysis. The network meta-analysis demonstrated that celecoxib was most likely the best option (SMD, -0.32 [95% CI, -0.38 to -0.25]) for pain, followed by the combination of glucosamine and chondroitin. For physical function, all interventions were significantly superior to oral placebo except for acetaminophen. In terms of stiffness, glucosamine (SMD, -0.36 [95% CI, -0.67 to -0.06]) and celecoxib (SMD, -0.29 [95% CI, -0.51 to -0.08]) were significantly better compared to placebo. In view of safety, compared to placebo only, celecoxib and acetaminophen presented significant differences. CONCLUSIONS: Given the effectiveness of these non-steroidal anti-inflammatory drugs and symptomatic slow-acting drugs, oral celecoxib is more effective than placebo on relieving pain and improving physical function, followed by the combination of glucosamine and chondroitin. Acetaminophen is likely the least efficacious intervention option. This information, accompanied by the tolerability and economic costs of the included treatments, would be conducive to making decisions for clinicians.

Systematic review

Unclassified

Effectiveness of non-steroidal anti-inflammatory drugs for the treatment of pain in knee and hip osteoarthritis: a network meta-analysis.

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Journal Lancet
Year 2017
Links Pubmed DOI

This article is included in 2 Structured summaries of systematic reviews 71 Structured summaries of systematic reviews (2 references)

This article includes 70 Primary studies 71 Primary studies (70 references)

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BACKGROUND: Non-steroidal anti-inflammatory drugs (NSAIDs) are the backbone of osteoarthritis pain management. We aimed to assess the effectiveness of different preparations and doses of NSAIDs on osteoarthritis pain in a network meta-analysis.METHODS: For this network meta-analysis, we considered randomised trials comparing any of the following interventions: NSAIDs, paracetamol, or placebo, for the treatment of osteoarthritis pain. We searched the Cochrane Central Register of Controlled Trials (CENTRAL) and the reference lists of relevant articles for trials published between Jan 1, 1980, and Feb 24, 2015, with at least 100 patients per group. The prespecified primary and secondary outcomes were pain and physical function, and were extracted in duplicate for up to seven timepoints after the start of treatment. We used an extension of multivariable Bayesian random effects models for mixed multiple treatment comparisons with a random effect at the level of trials. For the primary analysis, a random walk of first order was used to account for multiple follow-up outcome data within a trial. Preparations that used different total daily dose were considered separately in the analysis. To assess a potential dose-response relation, we used preparation-specific covariates assuming linearity on log relative dose.FINDINGS: We identified 8973 manuscripts from our search, of which 76 randomised trials with a total of 58 451 patients were included in this analysis. 23 nodes concerning seven different NSAIDs or paracetamol with specific daily dose of administration or placebo were considered. All preparations, irrespective of dose, improved point estimates of pain symptoms when compared with placebo. For six interventions (diclofenac 150 mg/day, etoricoxib 30 mg/day, 60 mg/day, and 90 mg/day, and rofecoxib 25 mg/day and 50 mg/day), the probability that the difference to placebo is at or below a prespecified minimum clinically important effect for pain reduction (effect size [ES] -0·37) was at least 95%. Among maximally approved daily doses, diclofenac 150 mg/day (ES -0·57, 95% credibility interval [CrI] -0·69 to -0·45) and etoricoxib 60 mg/day (ES -0·58, -0·74 to -0·43) had the highest probability to be the best intervention, both with 100% probability to reach the minimum clinically important difference. Treatment effects increased as drug dose increased, but corresponding tests for a linear dose effect were significant only for naproxen (p=0·034). We found no evidence that treatment effects varied over the duration of treatment. Model fit was good, and between-trial heterogeneity and inconsistency were low in all analyses. All trials were deemed to have a low risk of bias for blinding of patients. Effect estimates did not change in sensitivity analyses with two additional statistical models and accounting for methodological quality criteria in meta-regression analysis.INTERPRETATION: On the basis of the available data, we see no role for single-agent paracetamol for the treatment of patients with osteoarthritis irrespective of dose. We provide sound evidence that diclofenac 150 mg/day is the most effective NSAID available at present, in terms of improving both pain and function. Nevertheless, in view of the safety profile of these drugs, physicians need to consider our results together with all known safety information when selecting the preparation and dose for individual patients.Funding: Swiss National Science Foundation (grant number 405340-104762) and Arco Foundation, Switzerland.