A Cognitive Behavioral Intervention to Reduce Fear of Hypoglycemia in Young Adults With Type 1 Diabetes

Type1diabetes

fear of hypoglycemia, self-management, glycemic control, glycemic variability

This study is being conducted to determine the feasibility of a cognitive behavioral therapy intervention to reduce fear of hypoglycemia and improve glucose levels in young adults with type 1 diabetes.

In persons with type 1 diabetes (T1DM), iatrogenic hypoglycemia is the major limiting factor in achieving optimal blood glucose control. All persons with T1DM are at risk for hypoglycemia (blood glucose level \< 70 mg/dl), which is life-threatening and has serious physical symptoms and psychological sequelae that lead to profound fear of future hypoglycemic events. This fear results in greater glucose variability (the intra-day fluctuations in blood glucose), due to under- or overcompensation of food intake, insulin dosing, or physical activity, as well as anxiety, depression, and reduced quality of life. Greater glycemic variability (GV) is associated with a higher risk of hypoglycemia and diabetes complications. Young adults are particularly at risk because they report greater FOH and have poorer glycemic control. A major gap exists in how to manage FOH as a crucial component of diabetes self-care. Our overall objective is to reduce FOH and improve diabetes self-management, glycemic control, and variability in young adults with T1DM. We specifically aim to: (1) Determine the feasibility of an 8-week CBT-based intervention to reduce FOH and (2) obtain means and standard deviations of group differences from baseline to program completion on the outcomes of FOH, self-management, glycemic control and glycemic variability in young adults with T1DM who experience FOH. To achieve these aims, we propose a randomized control pilot trial in 10 young adults aged 18 to 30 years with T1DM. Participants will be screened for FOH levels. Eligible subjects will be randomized to the intervention (Fear Reduction Efficacy Evaluation \[FREE\]) program or attention control group. A 1-week run-in phase is planned, with baseline measures of FOH and 24-hour real-time continuous glucose monitoring recordings (RT-CGM) to calculate GV for both groups. The intervention group will participate in eight weekly one-hour sessions using a cognitive behavioral therapy (CBT) and exposure treatment for specific fears. RT-CGM and a daily FOH diary will be used as feedback cues. The control group will wear a 24-hour RT-CGM device during the same 8-week period and return for weekly RT-CGM site changes by study staff. At completion, FOH will be measured, and RT-CGM recordings will be analyzed to determine within-group and between-group differences. The findings from this proposed study will serve as the foundation for a larger clinical trial to reduce FOH and improve self-management, glycemic control, and variability. Meeting these goals will have important clinical implications to reduce diabetes complications and improve quality of life in young adults with T1DM.

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