Diabetes is a complex, chronic illness which affects 10.5% of the US population and is associated with increased morbidity and mortality [1]. Optimal glycemic control can decrease the risk of micro...
Introduction: The majority of patients with type 2 diabetes also have obesity. Obesity increases the risk of developing diabetes and is associated with worsened glycemic control and increased morbidity and mortality in individuals with diabetes. Sustained weight loss is associated with improved glycemic control, potential for diabetes remission, and decreased medical expenditures.Areas covered: Herein, the impact of commonly utilized, non-insulin, glucose-lowering drugs on body weight in patients with type 2 diabetes is discussed. The weight change magnitudes, mechanisms, and any within-class differences are also explored.Expert opinion: The weight impact of diabetes medications should be considered when designing treatment regimens, especially in patients who are overweight or have obesity. Lifestyle modification is paramount for optimal diabetes management. Therapeutic regimens should ideally be designed to maximize weight loss and at least minimize or avoid weight gain. Future glucose-lowering medications should continue to offer improvement in cardiovascular risk factors, including weight, in order to be accepted into the armamentarium of diabetes therapy. Therapeutic regimens should be designed to help patients with diabetes and obesity achieve both glycemic and weight goals. Management of these disease states is expected to become increasingly integrated.
Lorcaserin is a serotonin 2C receptor antagonist that was FDA approved in 2012. Lorcaserin is recently available as an extended-release (ER) formulation for the treatment of obesity as an adjunct to lifestyle modification. Areas covered: The pharmacokinetics, pharmacodynamics, efficacy, and safety of lorcaserin ER will be reviewed. Expert opinion: Lorcaserin ER 20mg daily provides drug exposure bioequivalent to lorcaserin immediate release (IR) 10mg twice daily. Lorcaserin IR is associated with 3.3 and 3.0% placebo-subtracted weight loss in patients without and with diabetes, respectively. A1C was reduced by 0.9% in patients with diabetes. Common side effects include headache, dry mouth, constipation, dizziness, fatigue, and nausea. Lorcaserin provides potential advantages over other antiobesity medications in regards to tolerability and simplicity of medication initiation, but may not be as effective as other options. Lorcaserin ER offers improved ease of administration and anticipated adherence compared to the IR formulation. The place in therapy for lorcaserin ER and other antiobesity medications will be further clarified by results of pending clinical trials addressing cardiovascular outcomes as well as the role pharmacogenomics and comorbid disease states may play in choosing patient-specific therapy.
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