Northwell Health
As modulator therapies extend the lifespan of CF patients, the detection of complications like Cystic Fibrosis Related Diabetes (CFRD) becomes increasingly vital. The current gold standard for CFRD screening, the 2-hour OGTT, is cumbersome and suffers from low compliance. This study proposes that Continuous Glucose Monitoring (CGM) could offer a more comprehensive, easier, and potentially more compliant screening method. The research aims to correlate various CGM parameters (e.g., time in hyperglycemia) with traditional glycemic markers like OGTT glucose levels, GMI, average glucose, variability, and HbA1c. Additionally, the research seeks to understand patient and parent/guardian preferences for CFRD screening modalities. This prospective observational study will involve CF patients wearing a Dexcom CGM around the time of standard OGTT and HbA1c tests, followed by surveys, with the ultimate goal of paving the way for CGM to improve early detection and management of dysglycemia in CF children.
As modulator therapy changes the landscape of cystic fibrosis (CF), children with CF will live longer and healthier lives with less pulmonary exacerbations. Still, other complications like Cystic Fibrosis Related Diabetes and underlying dysglycemia may become more apparent as lifespans of CF patients increase. It is therefore essential that clinicians have the tools to understand early stages of dysglycemia to prevent long term complications of CFRD. At present, 2 hours 75-gram OGTT remains the gold standard annual screen for CFRD. This test is both cumbersome for patients and limits a clinici…
Inclusion Criteria: 1. Patients with Cystic Fibrosis 2. 10-25 years of age who have obtained or will obtain a OGTT within 3 months of recruitment and CGM placement. Exclusion Criteria: 1. Diagnosis of diabetes mellitus type 1 or type 2 2. Use of the following medication: steroid course, Metformin therapy, 3. Concurrent CV disease or malignancy, kidney failure, lung transplant. 4. Does not have access to personal Bluetooth device compatible with Dexcom G7 application.
Continuous glucose monitors, such as Dexcom, have been established as a standard component of clinical care for continuous blood glucose monitoring. These devices are widely utilized in diabetes management clinics and demonstrate a robust safety and efficacy profile. The intervention also includes administration of a patient preference survey as outlined in the study protocol.
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