NCT01614613

Brief Summary

The purpose of this study was to test the performance of an investigational Bayer Blood Glucose (BG) meter and five additional Blood Glucose Monitoring Systems (BGMSs). The goal was to obtain glucose samples from subjects with diabetes across the meter operating ranges. A capillary sample was collected from each subject at 3 different times during the visit to obtain natural capillary blood samples with a range of glucose concentrations. Some blood samples were glycolyzed to lower the glucose concentration levels and glucose solution was added to other samples to raise glucose concentration levels. All meter BG results were compared with plasma results obtained with a reference laboratory glucose method (YSI Glucose Analyzer). All lancings and testing were performed by study staff.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
146

participants targeted

Target at P50-P75 for not_applicable diabetes

Timeline
Completed

Started May 2012

Shorter than P25 for not_applicable diabetes

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

May 1, 2012

Completed
12 days until next milestone

First Submitted

Initial submission to the registry

May 13, 2012

Completed
19 days until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2012

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2012

Completed
7 days until next milestone

First Posted

Study publicly available on registry

June 8, 2012

Completed
1.3 years until next milestone

Results Posted

Study results publicly available

September 9, 2013

Completed
Last Updated

February 29, 2016

Status Verified

January 1, 2016

Enrollment Period

1 month

First QC Date

May 13, 2012

Results QC Date

June 30, 2013

Last Update Submit

January 29, 2016

Conditions

Outcome Measures

Primary Outcomes (1)

  • MAD Mean Absolute Value of the Difference Between Blood Glucose Meter (BGMS) Results and Corresponding YSI Blood Glucose (BG) Results in the Low BG Range(<70 mg/dL)

    Using samples with BG \< 70 mg/dL, the Mean Absolute Value of the Differences Between BGM system readings and the YSI laboratory reference values were compared. MAD was calculated from the sum of all \|(BG meter)-(BG reference)\| assessments, divided by the number of assessments. Each evaluable sample was tested on all 6 BGMS, thus the same number of BG test results was analyzed for each BGMS intervention. Lower MAD value indicates smaller difference between meter value and the reference value. Higher MAD value indicates larger difference between meter value and the reference value.

    6 hours

Secondary Outcomes (4)

  • MAD Mean Absolute Value of the Difference Between Blood Glucose Meter (BGMS) Results and Corresponding YSI Blood Glucose (BG) Results in the BG Range 70 to 180 mg/dL

    6 hours

  • MAD Mean Absolute Value of the Difference Between Blood Glucose Meter (BGMS) Results and Corresponding YSI Blood Glucose (BG) Results in the BG Range >180 mg/dL

    6 hours

  • Standard Deviations of BGMS Differences (Between BGM Meter Readings and the YSI Laboratory Reference Values Across the BG Range of All Evaluable Samples 21 mg/dL to 496 mg/dL)

    6 hours

  • Number of Subject Responses 'Strongly Agree' 'Agree' or 'Neutral' With Questionnaire Statements

    1 hour

Study Arms (1)

Intended BGM Users

EXPERIMENTAL

Subjects were assigned to subgroups according to their initial glucose levels. SUBGROUP 1 goal: safely decrease subject glucose levels during the visit. SUBGROUP 2 goal: safely raise subject glucose levels. Also, blood samples were modified to obtain glucose concentrations across the needed glucose ranges while maintaining subject safety. Staff tested the blood samples using the 6 Blood Glucose Monitoring Systems. Bayer G3/Tatsu System;Accu-Chek® Aviva Nano Meter/Accu-Chek® Aviva Test Strips; Freestyle Lite® Meter and Test Strips with ZipwikTM tabs;OneTouch® Ultra®2 / OneTouch® Ultra® Blue Test Strips;One Touch® VerioTM Pro/One Touch® VerioTM Test Strips;Truetrack® Meter/Truetrack® Test Strips

Device: Bayer G3 / Tatsu SystemDevice: Accu-Chek® Aviva Nano Meter/Accu-Chek® Aviva Test StripsDevice: Freestyle Lite® Meter and Test Strips with ZipwikTM tabsDevice: OneTouch® Ultra®2 / OneTouch® Ultra® Blue Test StripsDevice: One Touch® VerioTM Pro/One Touch® VerioTM Test StripsDevice: Truetrack® Meter/Truetrack® Test Strips

Interventions

Study staff performed Blood Glucose (BG) tests with capillary fingerstick blood collected from subjects with diabetes. All meter BG results were compared with plasma results obtained with a reference laboratory glucose method (YSI Glucose Analyzer).

Intended BGM Users

Study staff performed Blood Glucose (BG) tests with capillary fingerstick blood collected from subjects with diabetes. All meter BG results were compared with plasma results obtained with a reference laboratory glucose method (YSI Glucose Analyzer).

Intended BGM Users

Study staff performed Blood Glucose (BG) tests with capillary fingerstick blood collected from subjects with diabetes. All meter BG results were compared with plasma results obtained with a reference laboratory glucose method (YSI Glucose Analyzer).

Intended BGM Users

Study staff performed Blood Glucose (BG) tested with capillary fingerstick blood collected from subjects with diabetes. All meter BG results were compared with plasma results obtained with a reference laboratory glucose method (YSI Glucose Analyzer).

Intended BGM Users

Study staff performed Blood Glucose (BG) tests with capillary fingerstick blood collected from subjects with diabetes. All meter BG results were compared with plasma results obtained with a reference laboratory glucose method (YSI Glucose Analyzer).

Intended BGM Users

Study staff performed Blood Glucose (BG) tests with capillary fingerstick blood collected from subjects with diabetes. All meter BG results were compared with plasma results obtained with a reference laboratory glucose method (YSI Glucose Analyzer).

Intended BGM Users

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Diagnosis of type 1 or type 2 diabetes mellitus
  • years of age or older
  • Willing to follow all study procedures

You may not qualify if:

  • Received an investigational drug or device within the last 30 days
  • Current use or recent exposure to any prescription medication within 24 hours prior to screening that in the opinion of the investigator could have an influence on the subject's ability to participate in the study or on the performance on the test device
  • Positive pregnancy test obtained at screening (test performed for females only, except if surgically sterile or three years past menopause)
  • Hematocrit \<32% or \>55%
  • Inadequate veins (in the opinion of the investigator or designated study staff) for venous blood withdrawal or intravenous catheter insertion
  • Symptomatic coronary artery disease with a history of angina, or history of a myocardial infarction or coronary intervention (e.g. percutaneous transluminal coronary angioplasty \[PTCA\], stent placement) or coronary artery bypass graft (CABG) within the past 6 months
  • Cerebrovascular accident within the past 6 months
  • Diagnosis of the following diabetic autonomic neuropathies: symptomatic orthostatic hypotension, heart rate anomalies, gastroparesis
  • Being treated for malignancy, except basal cell or squamous cell skin cancers
  • Major surgical operation within 30 days prior to screening
  • Active alcohol abuse or substance abuse (as judged by the principal investigator)
  • Severe mental illness, mental incapacity, unwillingness or language barriers precluding adequate understanding or cooperation (as judged by principal investigator)
  • Working for a competitive medical device company, or having an immediate family member or someone who is not a family member but is living within the household of someone who works for such a company

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Rainier Clinical Research Center Inc

Renton, Washington, 98057, United States

Location

MeSH Terms

Conditions

Diabetes Mellitus

Condition Hierarchy (Ancestors)

Glucose Metabolism DisordersMetabolic DiseasesNutritional and Metabolic DiseasesEndocrine System Diseases

Results Point of Contact

Title
Carmine Greene
Organization
Ascensia Diabetes Care

Study Officials

  • Leslie J Klaff, MD

    Rainier Clinical Research Center Inc

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
GT60
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
DIAGNOSTIC
Intervention Model
SINGLE GROUP
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 13, 2012

First Posted

June 8, 2012

Study Start

May 1, 2012

Primary Completion

June 1, 2012

Study Completion

June 1, 2012

Last Updated

February 29, 2016

Results First Posted

September 9, 2013

Record last verified: 2016-01

Locations