Source:Clinical Therapeutics
Author(s): Maria Yu, Kate Van Brunt, Zvonko Milicevic, Oralee Varnado, Kristina S. Boye
PurposeThis 28-week, randomized, double-blind study compared a once-weekly injection of dulaglutide 1.5 mg to placebo, both added to titrated once-daily insulin glargine (with or without metformin), in patients with type 2 diabetes mellitus and inadequate glycemia control (control defined as hemoglobin A1c, ≥7% and ≤10.5%). Patient-reported outcomes were assessed as an exploratory objective to further understand patients' physical, psychological, and social aspects of well-being and injection-device experience.MethodsPatients not naive to injectable therapy were randomly assigned (1:1) to receive dulaglutide/glargine or placebo/glargine; glargine was titrated to a fasting plasma glucose target of 71 to 99 mg/dL. The Impact of Weight on Self-Perceptions (IW-SP), the EQ-5D-5L (measure of health status), the 18-item Diabetes Health Profile (DHP-18), and the Medication Device Delivery Assessment (MDDAB) instruments for assessing the dulaglutide Single-Use Pen (SUP) and glargine-delivery device were administered at baseline and 28 weeks, and also at 6 or 12 weeks for some measures. A mixed model for repeated measures was used for analyzing changes from baseline scores.FindingsAt 28 weeks, improvements observed in the transformed total scores on the IW-SP and DHP-18 Disinhibited Eating domain were significantly greater with dulaglutide/glargine compared with placebo/glargine (least squares mean differences, +6.06 [P = 0.019] and –4.50 [P = 0.017], respectively). There were no significant overall between-treatment differences in quality of life as measured by the EQ-5D-5L or the Barriers to Activities and Psychological Distress domains of the DHP-18. Of all patients, 95% reported that overall, the dulaglutide SUP was "easy" or "very easy" to use at 28 weeks. Device-features scores showed that most patients liked the dulaglutide SUP features, with the 3 highest-rated items relating specifically to features of the needle (not having to touch the needle, not having to attach the needle, and automatic insertion). The majority of patients (~90%) "agreed" or "strongly agreed" that they were satisfied with the overall dulaglutide SUP injection experience at 28 weeks.ImplicationsDulaglutide/glargine-treated patients had greater improvements in weight-related quality-of-life measures compared with placebo/glargine-treated patients, which may be clinically relevant when evaluating treatment options for insulin-requiring patients who often gain weight with insulin monotherapy. Results from the MDDAB indicated overall satisfaction with the dulaglutide SUP injection experience, which may be an important factor in some patients when initiating parenteral therapy. ClinicalTrials.gov identifier: NCT02152371.
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