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Comparative Risk of Cardiovascular Outcomes Between Topical and Oral Nonselective NSAIDs in Taiwanese Patients With Rheumatoid Arthritis.

ABSTRACT: Topical NSAIDs have less systemic absorption than oral NSAIDs. We examined the risk of cardiovascular events associated with nonselective topical NSAIDs versus oral NSAIDs among patients with rheumatoid arthritis in Taiwan.We conducted a retrospective cohort study that included patients with incident rheumatoid arthritis who were newly starting therapy with nonselective topical NSAIDs or oral NSAIDs. We used the Taiwan National Health Insurance Research Database (NHIRD). The first date patients received either type of NSAID was defined as the index date. NSAID exposures continued until there was a treatment gap of >30 days. The main outcome was composite cardiovascular events, including myocardial infarction, unstable angina, heart failure, stroke, or revascularization. Follow-up was censored at treatment discontinuation, switch or addition of other NSAID category, cardiovascular outcome, death, or the end of the study. Propensity score weighted Cox regression models were used to compare the risk of cardiovascular events between topical NSAIDs and oral NSAIDs. There were 10 758 and 78 056 treatment episodes for topical and oral NSAIDs identified. After weighting by propensity score, the cohorts were well balanced over all covariates. The crude cardiovascular event rate was 1.87 per 100 person-years for topical NSAIDs and 2.14 per 100 person-years for oral NSAIDs. Results of propensity score weighted Cox regression found the topical NSAID group had 36% lower risk for cardiovascular events compared with the oral NSAID group (hazard ratio, 0.64; 95% confidence interval, 0.43-0.95).We found topical NSAID users experienced a reduced risk of cardiovascular events compared with oral NSAID users. If future studies with a larger sample size and longer follow-up confirm these results, NSAID prescribing might change accordingly.

SUBMITTER: Lin TC

PROVIDER: S-EPMC5721772 | biostudies-literature | 2017 Oct

REPOSITORIES: biostudies-literature

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Comparative Risk of Cardiovascular Outcomes Between Topical and Oral Nonselective NSAIDs in Taiwanese Patients With Rheumatoid Arthritis.

Lin Tzu-Chieh TC Solomon Daniel H DH Tedeschi Sara K SK Yoshida Kazuki K Kao Yang Yea-Huei YH

Journal of the American Heart Association 20171027 11

<h4>Background</h4>Topical NSAIDs have less systemic absorption than oral NSAIDs. We examined the risk of cardiovascular events associated with nonselective topical NSAIDs versus oral NSAIDs among patients with rheumatoid arthritis in Taiwan.<h4>Methods and results</h4>We conducted a retrospective cohort study that included patients with incident rheumatoid arthritis who were newly starting therapy with nonselective topical NSAIDs or oral NSAIDs. We used the Taiwan National Health Insurance Rese ...[more]

PMID: 29079568

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Project description:To assess whether it is better to intensively treat all patients with early rheumatoid arthritis (RA) using combinations of drugs or to reserve this approach for patients who do not have an appropriate response (as determined by a Disease Activity Score in 28 joints using the erythrocyte sedimentation rate [DAS28-ESR] of ? 3.2 at week 24) to methotrexate (MTX) monotherapy, and to assess whether combination therapy with MTX plus etanercept is superior to the combination of MTX plus sulfasalazine plus hydroxychloroquine.The Treatment of Early Aggressive Rheumatoid Arthritis (TEAR) study is a 2-year, randomized, double-blind trial. A 2 × 2 factorial design was used to randomly assign subjects to 1 of 4 treatment arms: immediate treatment with MTX plus etanercept, immediate oral triple therapy (MTX plus sulfasalazine plus hydroxychloroquine), or step-up from MTX monotherapy to one of the combination therapies (MTX plus etanercept or MTX plus sulfasalazine plus hydroxychloroquine) at week 24 if the DAS28-ESR was ? 3.2. All treatment arms included matching placebos. The primary outcome was an observed-group analysis of DAS28-ESR values from week 48 to week 102.At week 24 (beginning of the step-up period), subjects in the 2 immediate-treatment groups demonstrated a greater reduction in the DAS28-ESR compared with those in the 2 step-up groups (3.6 versus 4.2; P < 0.0001); no differences between the combination-therapy regimens were observed. Between week 48 and week 102, subjects randomized to the step-up arms had a DAS28-ESR clinical response that was not different from that of subjects who initially received combination therapy, regardless of the treatment arm. There was no significant difference in the DAS28-ESR between subjects randomized to oral triple therapy and those randomized to receive MTX plus etanercept. By week 102, there was a statistically significant difference in the change in radiographic measurements from baseline between the group receiving MTX plus etanercept and the group receiving oral triple therapy (0.64 versus 1.69; P = 0.047).There were no differences in the mean DAS28-ESR during weeks 48-102 between subjects randomized to receive MTX plus etanercept and those randomized to triple therapy, regardless of whether they received immediate combination treatment or step-up from MTX monotherapy. At 102 weeks, immediate combination treatment with either strategy was more effective than MTX monotherapy prior to the initiation of step-up therapy. Initial use of MTX monotherapy with the addition of sulfasalazine plus hydroxychloroquine (or etanercept, if necessary, after 6 months) is a reasonable therapeutic strategy for patients with early RA. Treatment with the combination of MTX plus etanercept resulted in a statistically significant radiographic benefit compared with oral triple therapy.

Project description:BackgroundA previous systematic review reported that topical NSAIDs were effective in relieving pain in acute conditions like sprains and strains, with differences between individual drugs for efficacy. More trials, a better understanding of trial quality and bias, and a reclassification of certain drugs necessitate a new review.MethodsStudies were identified by searching electronic databases and writing to manufacturers. We selected randomised double blind trials comparing topical NSAID with either placebo or another active treatment in adults with acute pain, and extracted dichotomous information approximating to a 50% reduction in pain at one week, together with details of adverse events and withdrawals. Relative benefit and number-needed-to-treat (NNT), and relative risk and number-needed-to-harm (NNH) were calculated, with sensitivity analyses where appropriate to investigate differences between individual drugs and aspects of trial design.ResultsTwenty-six double blind placebo controlled trials had information from 2,853 patients for evaluation of efficacy. Topical NSAID was significantly better than placebo in 19 of the 26 trials, with a pooled relative benefit of 1.6 (95% confidence interval 1.4 to 1.7), and NNT of 3.8 (95% confidence interval 3.4 to 4.4) compared with placebo for the outcome of half pain relief at seven days. Results were not affected by outcome reported, or condition treated, but smaller trials yielded a larger estimate of efficacy. Indirect comparisons of individual topical NSAIDs showed that ketoprofen was significantly better than all other topical NSAIDs, while indomethacin was barely distinguished from placebo. Three trials, with 433 patients, compared topical with oral NSAID (two trials compared the same drug, one compared different drugs) and found no difference in efficacy. Local adverse events, systemic adverse events, or withdrawals due to an adverse event were rare, and no different between topical NSAID and placebo.ConclusionsTopical NSAIDs were effective and safe in treating acute painful conditions for one week.

Dataset Information

Comparative Risk of Cardiovascular Outcomes Between Topical and Oral Nonselective NSAIDs in Taiwanese Patients With Rheumatoid Arthritis.

Publications

Comparative Risk of Cardiovascular Outcomes Between Topical and Oral Nonselective NSAIDs in Taiwanese Patients With Rheumatoid Arthritis.

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