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Real-time Continuous Glucose Monitoring in Diabetic Cardiothoracic Surgery Patients (MARGE)

This study has been terminated.
Menarini Group
Information provided by (Responsible Party):
University Hospital, Bordeaux Identifier:
First received: April 8, 2009
Last updated: July 30, 2015
Last verified: July 2015

An increased risk of adverse outcome is noted for diabetic patients admitted in surgery intensive care units (ICU). Tight glycemic control with intensive insulin therapy dramatically reduces in-hospital mortality and adverse outcome. Devices recording continuously interstitial glucose monitoring (CGM) may be an aid in patients of ICU in whom normoglycemia become a target.

The mini-invasive device (Glucoday®) should provide real-time glucose concentrations in order to quickly adjust insulin infusion rates. The objective of MARGE study is to compare percent of time in normoglycemia based on conventional monitoring (discontinuous glucose monitoring) and Glucoday to conventional monitoring alone. The MARGE study is a multicenter (2 centers), randomized, single blind trial.

Several studies have shown that hyperglycemia is associated with poor outcomes in hospitalized patients. Postoperative glucose levels are a significant predictor of infection rates after cardiac surgery and death rate. Based on these observational studies, a randomized controlled intervention trial in surgical ICU patients demonstrated that intensive insulin therapy reduced the overall in-hospital mortality by 34 % and stream infection by 46 %. Using continuous glycemic monitoring (CGM) it has been shown that intensive insulin therapy based on discontinuous glucose monitoring revealed that normoglycemia is achieved only 22 % of time. The researchers' aim is to determine if real time CGM with a new generation mini invasive device, Glucoday® S, would allow quickly adjusting insulin infusions rates according to interstitial glucose levels and decreasing both hyperglycemic and hypoglycemic excursions. This study will further investigate whether application of real time CGM to titrate insulin therapy to target glycemia in a tight range (80-110 mg/dl) can improve diabetic patient outcome after coronary artery bypass grafting (CABG).

Condition Intervention
Device: Continuous glucose monitoring for immediate correction of abnormal glycemia

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single Blind (Participant)
Primary Purpose: Prevention
Official Title: Real Time Continuous Glucose Monitoring With Glucoday® as an Assistant for Intensive Insulin Therapy in Diabetic Cardiothoracic Surgery Patients: a Randomized Study Comparing Blood Glucose Measurements Alone or Associated to Continue Glucose Monitoring

Resource links provided by NLM:

Further study details as provided by University Hospital, Bordeaux:

Primary Outcome Measures:
  • Percent of time in normoglycemia (0.8 - 1.10 g/L) [ Time Frame: Between the hour of the end of the intervention (CABG) and T48 hours after the first calibration of the Glucoday or while battery last ]

Secondary Outcome Measures:
  • Percent of post CABG time in hyperglycemia (>1.8 g/l) and hypoglycemia (<0.5 g/l) [ Time Frame: Between the hour of the end of the intervention (CABG) and T48 hours after the first calibration of the Glucoday or while battery last ]
  • Clinical outcomes incidence : death rate, cardiovascular events (acute coronary syndromes, heart failure, arrhythmia) stream infections, neurologic events [ Time Frame: during 30 days after CABG ]
  • Agreement between CGM with Glucoday and conventional capillary blood glucose monitoring in the setting of CABG and surgical ICU [ Time Frame: During 48 hours ]
  • During of stay in ICU and in tyhe surgical care unit [ Time Frame: During the hospitalisation ]
  • Adverse events due to the device [ Time Frame: During the hospitalization ]

Enrollment: 45
Study Start Date: April 2009
Study Completion Date: December 2010
Primary Completion Date: December 2010 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Active Comparator: 1. Conventional glucose monitoring
Discontinuous glucose monitoring - GlucoDay Device with Continue record blinded
Device: Continuous glucose monitoring for immediate correction of abnormal glycemia
Prevention of hyper and hypo glycemia
Experimental: 2. Conventional glucose monitoring + Glucoday
Continuous glucose monitoring - GlucoDay device with Continue record displayed
Device: Continuous glucose monitoring for immediate correction of abnormal glycemia
Prevention of hyper and hypo glycemia

  Show Detailed Description


Ages Eligible for Study:   20 Years to 80 Years   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Patients aged from 20 to 80 years
  • Admitted for CABG
  • Type 2 diabetes
  • Type 1 diabetes
  • Type 2 diabetes discovered during surgical or anaesthetic pre-operative consultation (plasmatic glycemia > 1.26 g/l) needing only dietary guidelines
  • Informed consent signed
  • Patients affiliated to the french social security

Exclusion Criteria:

  • Other types of cardiac surgery than CABG
  • Patients admitted in emergency
  • Pregnancy or breastfeeding
  • Patients included in an other clinical trial with an exclusion period still running
  • Patients under safeguard of justice
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00878891

Service d'endocrinologie-Diabétologie - Hôpital Haut-Lévêque - CHU de Bordeaux
Pessac, France, 33604
Service de Diabétologie, Maladies Métaboliques et Nutrition - Hôpital Rangueil - CHU de Toulouse
Toulouse, France, 31059
Sponsors and Collaborators
University Hospital, Bordeaux
Menarini Group
Principal Investigator: Bogdan CATARGI, MD PHD University Hospital Bordeaux, France
  More Information


Responsible Party: University Hospital, Bordeaux Identifier: NCT00878891     History of Changes
Other Study ID Numbers: CHUBX 2007/01
Study First Received: April 8, 2009
Last Updated: July 30, 2015

Keywords provided by University Hospital, Bordeaux:
glucose sensor
coronary artery bypass processed this record on April 28, 2017