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Biomedical subjects

Roy Fleischmann

Publications and source records attributed to Roy Fleischmann.

5 recordsLinked to original sources
PubMed2003

Safety and efficacy of disease-modifying antirheumatic agents in rheumatoid arthritis and juvenile rheumatoid arthritis.

The definition of disease-modifying antirheumatic drugs (DMARDs) has changed dramatically over the last decade. Current expectations of efficacy now include amelioration of signs and symptoms of disease activity as well as slowing, if not complete cessation, of disease progression as evidenced by Xray progression and significant improvement of patient function. Rheumatologists assess the safety profile of these agents more critically in an attempt to increase the risk:benefit profile. Traditional agents, such as methotrexate (MTX), sulfasalazine and leflunomide have provided patients with substantial relief of symptoms and some decrease of X-ray progression but have been hampered by the frequent occurrence of significant adverse events (AEs) and inability to maintain benefit for a prolonged period of time. With the increased understanding of the basic mechanism of the disease process, there has been the introduction of four biological disease-modifying agents introduced into clinical practice which have substantially increased the risk:benefit ratio for patients with various rheumatic diseases.

Antirheumatic Agents↗
PubMed2002

Meloxicam.

Meloxicam (Mobic trade mark, Boehringer Ingelheim) is a relatively new oral non-steroidal anti-inflammatory drug (NSAID) approved for the treatment of osteoarthritis in the US. It has also been evaluated for the treatment of rheumatoid arthritis, ankylosing spondylitis and acute 'rheumatic' pain. Meloxicam has been shown to be COX-2 preferential, particularly at its lowest therapeutic dose, and is anti-inflammatory by inhibiting prostanoid synthesis in inflammatory cells. Since it is COX-2 preferential, it would be expected to have less gastrointestinal toxicity than non-selective NSAIDs. In clinical trials of meloxicam in osteoarthritis, it was found to be as effective as piroxicam, diclofenac and naproxen with less clinical gastrointestinal symptoms and less perforations, obstructions and bleeds by meta-analysis. Adverse events, including peripheral oedema and hypertension, occurred at a similar rate as with traditional NSAIDs.

Anti-Inflammatory Agents, Non-Steroidal↗
PubMed2002

Safety and efficacy of disease-modifying anti-rheumatic agents: focus on the benefits and risks of etanercept.

The traditional approach to the treatment of rheumatoid arthritis (RA) has been the use of nonsteroidal anti-inflammatory drugs usually in combination with a disease-modifying antirheumatic drug (DMARD) such as hydroxychloroquine, gold, sulfasalazine, methotrexate, leflunomide or cyclosporin. Each of these DMARDs has its own distinct toxicities but has also been shown to be effective in reducing signs and symptoms of disease and to some extent, reduce radiological progression. Within the past 10 years, the combination of several traditional DMARDs has been shown to have increased efficacy over monotherapy without a significant increase in toxicity in a majority of studies. Recently, the US Food and Drug Administration has approved infliximab, a chimeric monoclonal antibody to tumour necrosis factor (TNF)-alpha in combination with methotrexate, for the treatment of signs and symptoms of RA, delay of radiological progression of disease and improvement of physical function while anakinra, an interleukin-1 receptor antagonist, has been approved for the treatment of the signs and symptoms of RA either as monotherapy or in combination with methotrexate. Etanercept is the first biological response modifier approved for use in RA in the US. Double-blind, randomised controlled studies have shown etanercept to be effective therapy in patients with RA who have had inadequate response to DMARDs, in combination with methotrexate, and as early monotherapy. Similar results were seen in juvenile and psoriatic arthritis in DMARD nonresponders. Open-label studies have shown efficacy in adult Still's disease, ankylosing spondylitis, progressive systemic sclerosis, Wegener's granulomatosis and chronic uveitis. Safety issues are a concern because of the ubiquitous role of TNF. To date the only consistent adverse event seen with etanercept has been injection site reactions. Infections occur at the same rate and with the same frequency as the placebo population. There should be caution, however, with using etanercept in patients with a serious infection, or recurrent infections or patients with untreated or latent tuberculosis. As of yet there has not been seen an increase of malignancies. Rare neurological and haematological events have been noted. Etanercept has been a significant addition to the armamentarium of medications for the treatment of RA, juvenile and psoriatic arthritis. Preliminary data show that it may be well tolerated and effective in other rheumatic diseases in which there is over production of TNFalpha.

Antirheumatic Agents↗
PubMed2002

Dose response and safety study of meloxicam up to 22.5 mg daily in rheumatoid arthritis: a 12 week multicenter, double blind, dose response study versus placebo and diclofenac.

OBJECTIVE: This Phase III, placebo and active controlled, multicenter trial evaluated the efficacy and safety of meloxicam 7.5, 15, and 22.5 mg daily for the treatment of rheumatoid arthritis (RA). METHODS: A 12 week, randomized, double blind, double dummy, parallel group trial compared daily oral meloxicam 7.5, 15, and 22.5 mg to placebo (negative control) and diclofenac 75 mg BID (positive control). A total of 894 patients (18 years of age with confirmed RA who flared following an NSAID-free period) were randomized to be treated. Baseline scores for all endpoints were similar among the treatment groups. Patient assessments were at 0, 2, 4, 8, and 12 weeks or early termination. RESULTS: All treatment groups demonstrated significant improvement from baseline (p < 0.001). Meloxicam 7.5 and 22.5 mg was significantly superior to placebo in all 5 primary efficacy endpoints (swollen joint count, tender joint count, patient pain, patient and physician global; all p < 0.05). Diclofenac 150 mg was superior to placebo for 4 of 5 primary efficacy measures (all but swollen joint count; p < 0.05) and meloxicam 15 mg was superior for 3 of 5 primary endpoints (patient pain and patient and physician global). AUC of patient global, patient pain, and modified Health Assessment Questionnaire demonstrated dose-response (p < 0.04), while AUC ACR20 showed a qualitative trend in the same direction. The rate of gastrointestinal (GI) events during the 12 week trial for all doses of meloxicam and diclofenac did not differ significantly from placebo (23.2-32.0%). GI withdrawals were comparable and not significantly different across all treatment groups (4.3-5.7%). CONCLUSION: This trial demonstrated a dose response relationship for meloxicam 7.5, 15, and 22.5 mg using AUC measurement of response for the treatment of RA. All 3 doses of meloxicam. and positive control, were effective in the treatment of RA. The overall incidence rate of GI events did not differ significantly from placebo in either the meloxicam treatment groups or the positive control.

Adolescent↗