Clinical therapeutics
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Clinical therapeutics · Aug 2007
Meta AnalysisNegative binomial meta-regression analysis of combined glycosylated hemoglobin and hypoglycemia outcomes across eleven Phase III and IV studies of insulin glargine compared with neutral protamine Hagedorn insulin in type 1 and type 2 diabetes mellitus.
This analysis first modeled the interaction between hypoglycemia and glycosylated hemoglobin (HbA1c) in clinical trials that compared insulin glargine (glargine) with human neutral protamine Hagedorn insulin (NPH) in patients with type 1 or type 2 diabetes mellitus. The model was then used to compare rates of hypoglycemia associated with use of these insulins. ⋯ Based on the results of this analysis, calculated unadjusted hypoglycemia event rates appear to underestimate the differences between glargine and NPH. In most of the present analyses, unadjusted rates were significantly lower with glargine than NPH. Adjustment for end-point HbA1c resulted in greater relative reductions in the risk of hypoglycemia for glargine compared with NPH. The adjusted risk reduction with glargine was highest in the Phase IV studies.
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Clinical therapeutics · Apr 2007
Meta AnalysisFormation of neutralizing antibodies in patients receiving botulinum toxin type A for treatment of poststroke spasticity: a pooled-data analysis of three clinical trials.
The purpose of this study was to investigate the incidence of neutralizing antibody (NAb) formation in patients with poststroke spasticity treated with a specific formulation of botulinum toxin type A (BoNTA). ⋯ Formation of NAbs was rare (1/191) in this group of adults with poststroke spasticity from three 12- to 42-week clinical trials who received >/=1 treatment with a specific BoNTA formulation at doses ranging from 100 to 400 U.
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Clinical therapeutics · Feb 2007
Meta Analysis Comparative StudyMeta-analysis of drug-induced adverse events associated with intensive-dose statin therapy.
Randomized trials evaluating intensive dose statin therapy have found enhanced protection against cardiovascular (CV) events compared with moderate-dose statin therapy in patients with acute coronary syndromes (ACS) or stable coronary artery disease (CAD). However, the potential for an increase in the risk of drug-induced adverse events with such therapy has not been quantified. ⋯ Although intensive-dose statin therapy was associated with a reduced risk for important CV events, it was also associated with an increased risk for statin-induced adverse events. Therefore, moderate-dose statin therapy may be the most appropriate choice for achieving CV risk reduction in the majority of individuals, whereas intensive-dose statin therapy may be reserved for those at highest risk.
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Clinical therapeutics · Dec 2006
Review Meta AnalysisThe efficacy of cefditoren pivoxil in the treatment of lower respiratory tract infections, with a focus on the per-pathogen bacteriologic response in infections caused by Streptococcus pneumoniae and Haemophilus influenzae: a pooled analysis of seven clinical trials.
Community-acquired pneumonia (CAP) and acute exacerbations of chronic bronchitis (AECB) are frequently caused by Streptococcus pneumoniae, Haemopbilus influenzae, and Moraxella catarrbalis; thus, these are the target pathogens for antibiotic treatment. ⋯ In this pooled analysis, CDN was associated with high rates of per-pathogen bacteriologic response among the main causative pathogens in lower respiratory tract infection. The rates of response were approximately 85% against H influenzae and approximately 90% against S pneumoniae, including penicillin-intermediate and penicillin-resistant strains.
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Clinical therapeutics · Jun 2006
Meta AnalysisEffects of low-dose norethindrone acetate plus ethinyl estradiol (0.5 mg/2.5 microg) in women with postmenopausal symptoms: updated analysis of three randomized, controlled trials.
Based on the potential risks of post-menopausal hormone therapy (HT) found by the Women's Health Initiative, guidelines for HT now recommend use of the lowest effective dose and shortest treatment duration consistent with individual treatment goals. Current (2003) guidance established by the US Food and Drug Administration (FDA) recommends that clinical assessments of HT include women with more frequent and more intense vasomotor symptoms than previously studied. Therefore, this analysis was conducted to further assess the efficacy of a low-dose combination of norethindrone acetate and ethinyl estradiol (NA/EE) previously assessed in dose-ranging studies, while meeting conservative FDA trial design and analysis criteria. ⋯ The results from this post hoc analysis and overview of 3 previously published studies suggest that NA/EE 0.5 mg/2.5 microg was associated with decreased frequency and intensity of vasomotor symptoms. This dose of NA/EE was also associated with maintenance of BMD over 24 months, a significant positive effect on BMD compared with placebo. Low-dose NA/EE was also associated with cumulative amenorrhea rates comparable to those of placebo and was not associated with endometrial hyperplasia. This dose was well tolerated, with rates of adverse events generally similar to those of placebo.