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Dexcom Seven Plus
Device Name:
Seven Plus
Manufacturer:
Dexcom, 6340 Sequence Dr, San Diego, CA 92121, UNITED STATES.
Measuring functions:
Blood glucose
Primary Client Use:
Intended for self-measurement and home use
Measurement Site:
Finger
Measurement Occurrence:
Continuous measurement
Availability:
Available Currently
Description:
The Dexcom Seven Plus is an automatic blood glucose meter. Medaval has not found evidence proving the accuracy of its blood glucose measurement technology. Blood glucose measurements are taken from the finger. It is intended for self-measurement and home use.
Assessment:
The technology used in the Dexcom Seven Plus, to measure blood glucose, has failed in a clinical validation study, in a general population, according to a recognised standard protocol, as published in a peer-reviewed publication.
Recommendations:
Accuracy AssessmentRecommendationBasis
BG Medaval Not recommended This device has failed a clinical validation.
Validation Publications:

Leelarathna L, Nodale M, Allen JM, Elleri D, Kumareswaran K, Haidar A, Caldwell K, Wilinska ME, Acerini CL, Evans ML, Murphy HR, Dunger DB, Hovorka R. Evaluating the accuracy and large inaccuracy of two continuous glucose monitoring systems. Diabetes Technol Ther. 2013 Feb;15(2):143-9. Epub: 2012 Dec 20. doi: 10.1089/dia.2012.0245. PMID: 23256605. Available from: PMC3558677.

15197:2003 - Fail Type 1 Diabetes Mellitus

Relevant Publications:

Valgimigli F, Lucarelli F, Scuffi C, Morandi S, Sposato I. Evaluating the clinical accuracy of GlucoMen®Day: a novel microdialysis-based continuous glucose monitor. J Diabetes Sci Technol. 2010 Sep 1;4(5):1182-92. PMID: 20920438.

Measurements from the DexCom Seven Plus are compared to those from the Menarini GlucoMen Day, though not in a formal validation.

Herrington SJ, Gee DL, Dow SD, Monosky KA, Davis E, Pritchett KL. Comparison of glucose monitoring methods during steady-state exercise in women. Nutrients. 2012 Sep;4(9):1282-92. Epub: 2012 Sep 14. doi: 10.3390/nu4091282. PMID: 23112916.

Comparisons, in 12 non-diabetic women during intensity cycling and recovery, to venous plasma and capillary plasma (Ascensia Contour) glucose. Authors conclude inconsistent results with further research required.

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