Article (Scientific journals)
The SWITCH study (sensing with insulin pump therapy to control HbA(1c)): design and methods of a randomized controlled crossover trial on sensor-augmented insulin pump efficacy in type 1 diabetes suboptimally controlled with pump therapy
Conget, I.; Battelino, T.; Giménez, M. et al.
2011In Diabetes Technology and Therapeutics, 13 (1), p. 49-54
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Keywords :
SWITCH; randomnized controlled crossover trial; sensor-augmented insulin pump; type 1 diabetes; suboptimal control; pump therapy
Abstract :
[en] BACKGROUND: studies investigating the effect of real-time continuous glucose monitoring (CGM) combined with pump therapy on glycemic outcomes in type 1 diabetes are increasing. Pump therapy is well established as a "gold standard" for insulin delivery, offering improvements over multiple daily insulin injections. However, there is still a proportion of subjects using continuous subcutaneous insulin infusion in whom goals for metabolic control are far from achieved or benefits of this type of insulin therapy are transient. The SWITCH (Sensing With Insulin pump Therapy to Control HbA(1c) [hemoglobin A1c]) study is a multicenter, randomized, controlled, crossover study to evaluate if adding CGM to experienced pump patients with suboptimal metabolic control will provide additional insight enabling clinical and therapeutic benefit. METHODS: subjects meeting the inclusion criteria were randomized to Sensor On or Sensor Off arms for 6 months, after a 1-month run-in period. Following a 4-month washout period, the subjects crossed over to the other study arm for 6 months. The primary end point was the between arm difference in HbA(1c) levels. Among others, additional end points include time spent in different glycemic ranges, percentage of patients with HbA(1c) <7%, number of hypoglycemic events, glucose variability parameters, safety outcomes, treatment satisfaction, and quality of life. RESULTS: recruitment occurred between January 2008 and February 2009. A total of 153 patients were randomized. Study completion is anticipated in July 2010. CONCLUSIONS: the results will establish if adding CGM to existing, capable, insulin pump users can enable better metabolic control.
Disciplines :
Human health sciences: Multidisciplinary, general & others
Author, co-author :
Conget, I.
Battelino, T.
Giménez, M.
Gough, H.
Castañeda, J.
Bolinder, J.
Other collaborator :
DE BEAUFORT, Carine ;  University of Luxembourg > Luxembourg Centre for Systems Biomedicine (LCSB)
External co-authors :
yes
Language :
English
Title :
The SWITCH study (sensing with insulin pump therapy to control HbA(1c)): design and methods of a randomized controlled crossover trial on sensor-augmented insulin pump efficacy in type 1 diabetes suboptimally controlled with pump therapy
Publication date :
January 2011
Journal title :
Diabetes Technology and Therapeutics
ISSN :
1520-9156
eISSN :
1557-8593
Publisher :
Mary Ann Liebert, Inc.
Volume :
13
Issue :
1
Pages :
49-54
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
SWITCH Study Group
Available on ORBilu :
since 20 May 2016

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