Continuous Glucose Monitors for Children With Diabetes Mellitus

NCT ID: NCT00069537

Last Updated: 2016-09-05

Basic Information

• Recruitment Status: COMPLETED
• Clinical Phase: PHASE4
• Total Enrollment: 90 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2002-05-31
• Study Completion Date: 2002-11-30

Brief Summary

Good control of blood glucose levels is important in preventing complications from diabetes. This study assessed the accuracy and reliability of two FDA-approved continuous glucose monitors, the Continuous Glucose Monitoring System (CGMS) and the GlucoWatch G2 Biographer (GW2B), in children with type 1 diabetes mellitus (T1DM).

Detailed Description

Intensive control of blood glucose levels has been shown to substantially prevent or delay complications of T1DM in adolescents and adults. The major limitation to implementation of intensive glycemic control is hypoglycemia. Younger children may be at increased risk for hypoglycemia and the risk/benefit ratio of intensive glycemic control may be less favorable in this population. Intensive therapy has not been systematically evaluated in children less than 13 years of age. This study was conducted by the Diabetes Research in Children Network (DirecNet) to assess the accuracy of the CGMS and the GW2B glucose monitors in comparison with standard blood glucose measurements in an inpatient setting.

During 24-hour clinical research center stays at five clinical centers, approximately 90 children and adolescents with T1DM (1 to 17 years of age) wore two FDA-approved continuous glucose monitors, CGMS and GW2B, and had frequent serum glucose determinations during the day and night. To assess glucose monitor function during periods of rising and falling blood glucose, insulin-induced hypoglycemia and meal-induced hyperglycemia tests were also performed.

Conditions

Diabetes Mellitus, Insulin-Dependent

Study Design

• Allocation Method: NON_RANDOMIZED
• Intervention Model: SINGLE_GROUP
• Primary Study Purpose: TREATMENT
• Blinding Strategy: NONE

Interventions

The GlucoWatch® G2™ Biographer (GW2B)

Intervention Type: DEVICE

The Continuous Glucose Monitoring System (CGMS™)

Intervention Type: DEVICE

Eligibility Criteria

Inclusion Criteria

• Clinical diagnosis of type 1 diabetes mellitus for at least 1 year prior to study entry
• For children over 2 years of age, body mass index between the 5th and 95th percentile for age and gender
• Weight >= 12 kg (26.5 lbs) if < 7 years of age and >= 16 kg (35 lbs) if >7 years of age
• Normal hematocrit

Exclusion Criteria

• Current use of glucocorticoids
• Skin or other medical disorders that would affect completion of the study
• History of seizures other than those attributable to either hypoglycemia or high fever

• Minimum Eligible Age: 1 Year
• Maximum Eligible Age: 17 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: No

Sponsors

National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

NIH

Sponsor Role: collaborator

Jaeb Center for Health Research

OTHER

Sponsor Role: lead

Responsible Party

Responsibility Role: SPONSOR

Principal Investigators

William V. Tamborlane, MD

Role: STUDY_CHAIR

Yale University

Locations

Division of Pediatric Endocrinology and Diabetes, Stanford University

Stanford, California, United States

Barbara Davis Center for Childhood Diabetes, University of Colorado

Denver, Colorado, United States

Department of Pediatrics, Yale University School of Medicine

New Haven, Connecticut, United States

Nemours Children's Clinic

Jacksonville, Florida, United States

Jaeb Center for Health Research

Tampa, Florida, United States

Department of Pediatrics, University of Iowa Carver College of Medicine

Iowa City, Iowa, United States

Countries

United States

References

Mauras N, Beck R, Ruedy K, Booth A, Weinzimer S, and the Diabetes Research in Children Network (DirecNet) Study Group. The Physiological Variations of Plasma Glucose Concentrations in Healthy, Non-Diabetic Children: Use of Continuous Glucose Sensors. Pediatr Res 2003 Apr;53(4Pt 2):1A-669A

Reference Type: BACKGROUND

Weinzimer S, Beck R, Ruedy K, Booth A, Boland E, and the Diabetes Research in Children Network (DirecNet) Study Group. Mealtime Glycemic Excursions in Pediatric Subjects with Type 1 Diabetes Mellitus (T1DM): The DirecNet Experience.Pediatr Res 2003 Apr;53(4Pt2):1A-669A

Reference Type: BACKGROUND

Tsalikian E, Beck R, Ruedy K, Booth A, Tansey M, and the Diabetes Research in Children Network (DirecNet) Study Group. Glycemic Pattern of Insulin Induced Hypoglycemia in Pediatric Subjects with Type 1 Diabetes Mellitus (T1DM): The DirecNet Experience. Pediatr Res 2003 Apr;53(4Pt2):1A-669A

Reference Type: BACKGROUND

Buckingham B, Beck R, Tamborlane W, Ruedy K, Boland E, Chase P, Wysocki T, Tsalikian E, Wilson D, Mauras N, Weinzimer D, Tansey M, Fiallo-Scharer R, Booth A, Kollman C, and the Diabetes Research In Children Network (DirecNet) Study Group. Diabetes Research in Children Network (DirecNet) Accuracy Study of the Continuous Glucose Monitoring System (CGMS) and GlucoWatch® G2™ Biographer (GWB) in Children with Type 1 Diabetes-A CRC-based Study. Diabetes 2003 Jun;52 Suppl 1:A36.

Reference Type: BACKGROUND

Wilson D, Buckingham B, Beck R, Ruedy K, Kollman C, Tsalikian E, Wysocki T, Weinzimer S, Chase P, and the Diabetes Research in Children Network (DirecNet) Study Group. A 5-center CRC-based Study of the Accuracy of the GlucoWatch®G2™ Biographer in Children and Adolescents with Type 1 Diabetes. Diabetes 2003 Jun;52 Suppl 1:A101.

Reference Type: BACKGROUND

Boland E, Weinzimer S, Beck R, Ruedy K, Kollman C, Buckingham B, Chase P, Tansey M, Mauras N, and the Diabetes Research In Children Network (DirecNet) Study Group. Performance of the Medtronic MiniMed Continuous Glucose Monitoring System (CGMS) in Children with T1DM in the DirecNet Accuracy Study. Diabetes 2003 Jun;52 Suppl 1:A90.

Reference Type: BACKGROUND

Fiallo-Scharer R, Chase P, Beck R, Ruedy K, Booth A, Wysocki T, Boland E, Buckingham B, Tsalikian E, and the Diabetes Research In Children Network (DirecNet) Study Group. Performance of the One Touch Ultra at Different Glucose Levels in Three Age Groups of Children with T1DM in the CRC-DirecNet Accuracy Study. Diabetes 2003 Jun;52 Suppl 1:A562.

Reference Type: BACKGROUND

Diabetes Research in Children Network (DIRECNET) Study Group. The accuracy of the GlucoWatch G2 biographer in children with type 1 diabetes: results of the diabetes research in children network (DirecNet) accuracy study. Diabetes Technol Ther. 2003;5(5):791-800. doi: 10.1089/152091503322526996.

Reference Type: BACKGROUND

PMID: 14633344 (View on PubMed)

Diabetes Research in Children Network (DIRECNET) Study Group. The accuracy of the CGMS in children with type 1 diabetes: results of the diabetes research in children network (DirecNet) accuracy study. Diabetes Technol Ther. 2003;5(5):781-9. doi: 10.1089/152091503322526987.

Reference Type: BACKGROUND

PMID: 14633343 (View on PubMed)

Diabetes Research In Children Network (Direcnet) Study Group. A multicenter study of the accuracy of the One Touch Ultra home glucose meter in children with type 1 diabetes. Diabetes Technol Ther. 2003;5(6):933-41. doi: 10.1089/152091503322640971.

Reference Type: BACKGROUND

PMID: 14709195 (View on PubMed)

Diabetes Research in Children Network (DirecNet) Study Group. Accuracy of the GlucoWatch G2 Biographer and the continuous glucose monitoring system during hypoglycemia: experience of the Diabetes Research in Children Network. Diabetes Care. 2004 Mar;27(3):722-6. doi: 10.2337/diacare.27.3.722.

Reference Type: BACKGROUND

PMID: 14988292 (View on PubMed)

Tsalikian E, Kollman C, Mauras N, Weinzimer S, Buckingham B, Xing D, Beck R, Ruedy K, Tamborlane W, Fiallo-Scharer R; Diabetes Research in Children Network (DirecNet) Study Group. GlucoWatch G2 Biographer alarm reliability during hypoglycemia in children. Diabetes Technol Ther. 2004 Oct;6(5):559-66. doi: 10.1089/dia.2004.6.559.

Reference Type: BACKGROUND

PMID: 15628809 (View on PubMed)

Tsalikian E, Beck RW, Kalajian A, Janz KF, Tansey MJ; Diabetes Research in Children Network (DirecNet) Study Group. Function of the GlucoWatch G2 Biographer during exercise. Diabetes Technol Ther. 2005 Feb;7(1):230. doi: 10.1089/dia.2005.7.230. No abstract available.

Reference Type: BACKGROUND

PMID: 15738721 (View on PubMed)

Buckingham B, Block J, Burdick J, Kalajian A, Kollman C, Choy M, Wilson DM, Chase P; Diabetes Research in Children Network. Response to nocturnal alarms using a real-time glucose sensor. Diabetes Technol Ther. 2005 Jun;7(3):440-7. doi: 10.1089/dia.2005.7.440.

Reference Type: BACKGROUND

PMID: 15929675 (View on PubMed)

Other Identifiers

HD041890

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HD041919-01

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HD041908-01

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HD041906-01

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HD041918-01

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HD041915

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DirecNet 001

Identifier Type: -

Identifier Source: org_study_id