Current medical research and opinion
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Randomized Controlled Trial Multicenter Study
Extended-release tramadol in the treatment of osteoarthritis: a multicenter, randomized, double-blind, placebo-controlled clinical trial.
This study evaluated the efficacy and safety of tramadol extended-release (tramadol ER) tablets once daily in subjects with osteoarthritis pain. ⋯ Tramadol ER 100-300 mg once daily was associated with significant improvement in pain intensity and physical function, and was well tolerated, despite the use of a fixed-dose study design not reflective of usual clinical practice. Tramadol ER is a useful treatment option for patients with osteoarthritis pain.
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Randomized Controlled Trial Multicenter Study Comparative Study
Randomized, open-label comparison of epoetin alfa extended dosing (80 000 U Q2W) vs weekly dosing (40 000 U QW) in patients with chemotherapy-induced anemia.
This randomized, open-label, multicenter study compared the efficacy and safety of epoetin alfa (EPO) 80 000 U every 2 weeks (Q2W) to the FDA-approved regimen of 40 000 U weekly (QW) in patients with chemotherapy-induced anemia. ⋯ Extended dosing (80 000 U Q2W) and once-weekly dosing (40 000 U QW) of EPO provided comparable safety and efficacy for chemotherapy-induced anemia.
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Review Comparative Study
Periprocedural bridging therapy in patients receiving chronic oral anticoagulation therapy.
In patients receiving chronic oral anticoagulation with vitamin K antagonists (VKAs) it may be necessary to temporarily discontinue VKA therapy to allow surgery or other invasive procedures to be performed, as maintaining treatment may increase the risk of bleeding during the procedure. This, however, creates a clinical dilemma, since discontinuing VKAs may place the patient at risk of thromboembolism. ⋯ The decision to provide bridging therapy requires careful consideration of the relative risks of thromboembolism and bleeding in each patient. Based upon the studies reviewed we recommend a therapeutic dose of UFH or LMWH for patients at intermediate-to-high thromboembolic risk requiring interruption of VKA, especially for low bleeding risk procedures. We would like to propose upgrading the American College of Chest Physicians (ACCP) guideline recommendations from 2C to 1C. However, there is still a need for a randomized controlled trial on the efficacy and safety of the available bridging strategies, including heparin and placebo comparators, in preventing thromboembolism for specific patients and procedures.
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Multicenter Study Comparative Study Clinical Trial
Glycemic control and treatment failure with pioglitazone versus glibenclamide in type 2 diabetes mellitus: a 42-month, open-label, observational, primary care study.
Insulin resistance and declining beta-cell function are the core defects in type 2 diabetes mellitus. It has been suggested that deteriorating glycemic control is related to baseline hemoglobin A(1c) (HbA(1c)) values and remaining beta-cell function. ⋯ Pioglitazone add-on to metformin revealed significant benefits in long-term glycemic control compared with glibenclamide. This difference may be explained by a large between-group difference in HOMA-S, which was shown to correlate significantly to the change in HbA(1c). This suggests that a strategy to reduce insulin resistance to lower the burden of the beta-cell is superior to treatment with glibenclamide.
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The efficacy and safety of treatments for constipation in severely intellectually disabled patients and their associated cost-effectiveness are an under-investigated area of clinical practice. Aiming to address this, the objectives of the study were to evaluate the efficacy and tolerability of polyethylene glycol 3350 plus electrolytes (Movicol; PEG+E) by comparing clinical data collected before and after its introduction to a stable population of residents of a mental health care, long-stay institution. The study also attempted an economic evaluation of the use of PEG+E in this setting. ⋯ PEG+E is effective in the clinical management of constipation in an institutional setting. Furthermore, long-term intensive therapy with PEG+E was not associated with adverse effects on body weight or blood biochemistry values. Although the time periods over which the economic data and the efficacy and safety data were collected did not directly correspond, this study indicates that use of PEG+E in the management of constipation in people with severe intellectual disability may be cost-effective, reducing hospital laxative costs.