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Continuous Glucose Monitoring to Reduce Hypoglycemia and Improve Safety After Gastric Surgery

Hypoglycemia Clinical Trial

Official title:
Determining the Efficacy of Continuous Glucose Monitoring to Reduce Hypoglycemia and Improve Safety in Patients With Hypoglycemia After Gastric Surgery

Clinical Trial Summary

The purpose of this study is to see if the use of a continuous glucose monitor (CGM) by people who experience low blood sugars (hypoglycemia) after gastric surgery can help reduce the number and severity of low blood sugar episodes.

Clinical Trial Description

The CGM devices used in this study are approved by the Food and Drug Administration (FDA) for monitoring the glucose levels of people with diabetes. The investigators of this study are looking to see if these CGM devices are able to benefit people who have had gastric surgery and experience low blood sugar episodes, which can be asymptomatic and lead to complications, impairing safety. This study involves wearing a CGM sensor/transmitter during first a masked phase (unable to see CGM sensor glucose levels), followed by an unmasked phase (able to see and respond to sensor glucose levels and alarms). Participants are asked to regularly record fingerstick (capillary) blood sugar values and any symptoms experienced, as well as a record of treatments for symptoms and glucose levels. Participants attend three to five study visits: 5 visits for participants who wore the Dexcom G4, and 3 visits for participants who wore the Dexcom G6. The Dexcom G4 became unavailable during the course of the study when the G6 was introduced. (The Dexcom G4 had a 7 day wear period versus a 10 day wear period for the G6. As the G6 has a longer wear period, the frequency of the study visits was able to be decreased). This study also involves the use of a fitness tracker, which will be worn for the duration of the study and returned at the end of the study. Participants wearing the Dexcom G4 device were able to keep the Dexcom G4 CGM receiver and transmitter (this was not possible with the Dexcom G6 system). ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03353415
Study type Interventional
Source Joslin Diabetes Center
Contact
Status Completed
Phase N/A
Start date February 7, 2019
Completion date April 12, 2023
View Details
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