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Background: Little is known regarding the impact of the Food and Drug Administration (FDA) boxed warning on prescribing rates of fluoroquinolone (FQ) antibiotics in the outpatient setting. Objective: The primary objective of this study was to evaluate the 2016 FDA boxed warning update on FQ prescribing rates for uncomplicated urinary tract infection (uUTI). Methods: This was a single-center retrospective cohort study conducted at 6 family medicine practices, including women aged 18 to 65 years with an outpatient visit for uUTI from January 1, 2016, to December 31, 2016. Results: A total of 436 patients met inclusion. FQs were prescribed in 38% of patients before the FDA boxed warning and in 30% of patients after (8% reduction). Non-FQ prescribing had a corresponding 8% increase, comprising 62% of uUTI prescribing before the FDA boxed warning and 70% after ( P = 0.08). The likelihood of being prescribed a FQ was not significantly different following release of the FDA boxed warning (adjusted odds ratio = 0.67 [95% CI = 0.41-1.10]). Variables significantly associated with an increase in FQ prescribing based on logistic regression were age ≥58 years and chronic kidney disease. Concordance of antibiotic prescribing with the Infectious Diseases Society of America clinical practice guidelines for uUTI was low, and the incidence of treatment failure was low. Conclusion and Relevance: The 2016 FDA boxed warning was not significantly associated with decreased FQ prescribing for uUTI across a large academic family medicine practice. Methods to improve education and disseminate FDA warnings in practice are needed.

Objective:The purpose of this article is to review the pharmacological characteristics and clinical evidence of oral semaglutide for the treatment of type 2 diabetes mellitus (T2DM). Data Sources: A MEDLINE/PubMed search was conducted between January 1, 2005, and September 30, 2019. Search terms included semaglutide, glucagon-like peptide 1 receptor agonist, GLP-1 receptor agonist, and type 2 diabetes. Study Selection and Data Extraction Quantification: The following study designs were included in the analysis: systematic review and/or meta-analyses, clinical trial, or observational study design. Narrative reviews were excluded. Articles were included only if they were published in the English language or evaluated oral semaglutide with regard to pharmacology, pharmacokinetics, safety, and efficacy in humans. Data Synthesis: Oral semaglutide has been Food and Drug Administration approved for the treatment of T2DM as an adjunct to diet and exercise. Oral semaglutide has been shown to result in an absolute hemoglobin A1C reduction between −0.5% and −1.5% and weight reductions between −1 and −4.7 kg. Oral semaglutide has been shown to be noninferior to placebo for cardiovascular (CV) safety although additional CV outcomes trials are ongoing. Adverse effects appear to be similar to those of other glucagon-like peptide-1 receptor agonists and are gastrointestinal in nature. Relevance to Patient Care and Clinical Practice: Oral semaglutide may be appropriate as second- or third-line add-on therapy for patients with T2DM who are not meeting treatment goals on metformin and are overweight and reluctant to use an injectable drug. Conclusions: Oral semaglutide appears safe and effective as monotherapy and add-on pharmacological therapy for the treatment of T2DM.

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