• R Keith Campbell.
• Washington State University, College of Pharmacy, 1505 Stadium Way, Pullman, WA 99164, USA. rkcamp@wsu.edu
• Am J Manag Care. 2020 Dec 4; 18 (3 Suppl): S55-61.

AbstractDespite its unsurpassed efficacy in the management of diabetes, insulin has been resisted and feared for its risk of side effects (ie, weight gain, hypoglycemia). Many patients and providers have perceived insulin as a last resort therapy given to patients with a poor prognosis, and some patients even as a form of punishment for poor self-management. Also, fear of needles is a constant concern. Fortunately, these challenges to insulin use may be overcome via patient education as well as new developments in insulin therapy. Insulin formulations have been developed that possess pharmacokinetic profiles better adapted to the physiologic needs of patients with type 2 diabetes mellitus (T2DM), including rapid- and long-acting insulin analogues, as well as premixed formulations. Appropriate use of these agents is associated with improved glycemic control, higher levels of adherence to treatment, and lower healthcare costs. A variety of pen delivery systems for insulin delivery are available that allow for easier, more discreet, and more accurately dosed insulin therapy. Patients generally prefer pen delivery systems, and they are associated with greater adherence and better glycemic control as compared with vial and syringe use. In addition to the ever-increasing variety of insulin formulations and delivery systems, educational initiatives are absolutely vital in order to overcome the limited knowledge about diabetes, self-management, and coping skills that can be seen in a large proportion of people with T2DM. Improved adherence to treatment, better outcomes, and reduced costs are contingent upon the appropriate use of, and full access to, appropriate treatment and patient education.

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