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The purpose of this study was to evaluate the performance of one investigational Bayer Blood Glucose meter (with investigational Bayer test strips) and four Blood Glucose Monitoring Systems from other companies. All meter BG results were compared with plasma results obtained with a reference laboratory glucose method (YSI Glucose Analyzer). Performance of the five systems was evaluated across the glucose range of the BGMSs using capillary blood. All testing and lancing were performed by study staff and some blood samples were glycolyzed to lower the glucose levels.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Study Staff Test BGMSs | Experimental | All testing and lancings were performed by the study staff; subjects did not perform any lancing or self-testing in this study. Study Staff lanced the fingers of subjects and tested the blood samples using five Blood Glucose Monitoring Systems(BGMS): FreeStyle Freedom Lite® BGMS; ACCU-CHEK® Aviva BGMS; TRUEtrack® BGMS; OneTouch® Ultra®2 BGMS; CONTOUR® NEXT EZ BGMS. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| CONTOUR® NEXT EZ BGMS | Device | Study staff performed Blood Glucose (BG) testing with capillary fingerstick blood collected from subjects with diabetes and without diabetes (up to 10% of subjects without diabetes were included). Performance of CONTOUR® NEXT EZ BGMS was evaluated across the glucose range of the BGMs. All meter BG results were compared with capillary plasma results obtained with a reference laboratory glucose method (YSI Glucose Analyzer). |
| Measure | Description | Time Frame |
|---|---|---|
| MARD (Mean Absolute Relative Difference Between BGMS Results and Reference Method Results) Across the Overall Tested Glucose Range | Using the overall Blood Glucose(BG) range (24 to 386mg/dL), the Mean Absolute Relative Differences (MARD) between the BGM System readings and the YSI laboratory reference values were compared. MARD is calculated from the sum of all |(BG meter)-(BG reference)| / (BG Reference) assessments, divided by the number of assessments, then multiplied by 100(%). Each evaluable sample was tested on all five BGMS, thus the same number of BG test results was analyzed for each BGMS intervention. Lower MARD value indicates smaller difference between meter value and the reference value . Higher MARD value indicates larger difference between meter value and the reference value. | 10 hours |
| Measure | Description | Time Frame |
|---|---|---|
| MARD (Mean Absolute Relative Difference Between BGMS Results and Reference Method Results) Across the Low Glucose Range (<70mg/dL) | Using fresh and glycolyzed samples with Blood Glucose(BG) below 70 mg/dL, the Mean Absolute Relative Differences (MARD) between the BGM System readings and the YSI laboratory reference values were compared. MARD is calculated from the sum of all |(BG meter)-(BG reference)| / (BG Reference) assessments, divided by the number of assessments, then multiplied by 100(%). Each evaluable sample was tested on all five BGMS, thus the same number of BG test results was analyzed for each BGMS intervention. Lower MARD value indicates smaller difference between meter value and the reference value . Higher MARD value indicates larger difference between meter value and the reference value. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| David Simmons, MD | Ascensia Diabetes Care | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Bayer HealthCare LLC, Diabetes Care | Mishawaka | Indiana | 46544 | United States |
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| ID | Title | Description |
|---|---|---|
| FG000 | Study Staff Test BGMSs | All testing and lancings were performed by the study staff; subjects did not perform any lancing or self-testing in this study. Study Staff lanced the fingers of subjects and tested the blood samples using five Blood Glucose Monitoring Systems(BGMS): FreeStyle Freedom Lite® BGMS; TRUEtrack® BGMS; OneTouch® Ultra®2 BGMS; ACCU-CHEK® Aviva BGMS; CONTOUR® NEXT EZ BGMS. |
| Title | Milestones | Reasons Not Completed | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Study |
|
Per protocol
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| ID | Title | Description |
|---|---|---|
| BG000 | Study Staff Test BGMSs | All testing and lancings were performed by the study staff; subjects did not perform any lancing or self-testing in this study. Study Staff lanced the fingers of subjects and tested the blood samples using five Blood Glucose Monitoring Systems(BGMS): FreeStyle Freedom Lite® BGMS; TRUEtrack® BGMS; OneTouch® Ultra®2 BGMS; ACCU-CHEK® Aviva BGMS; CONTOUR® NEXT EZ BGMS. |
| Units | Counts |
|---|---|
| Participants |
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| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes |
|---|---|---|---|---|---|---|---|---|---|
| Age, Continuous | Median |
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | MARD (Mean Absolute Relative Difference Between BGMS Results and Reference Method Results) Across the Overall Tested Glucose Range | Using the overall Blood Glucose(BG) range (24 to 386mg/dL), the Mean Absolute Relative Differences (MARD) between the BGM System readings and the YSI laboratory reference values were compared. MARD is calculated from the sum of all |(BG meter)-(BG reference)| / (BG Reference) assessments, divided by the number of assessments, then multiplied by 100(%). Each evaluable sample was tested on all five BGMS, thus the same number of BG test results was analyzed for each BGMS intervention. Lower MARD value indicates smaller difference between meter value and the reference value . Higher MARD value indicates larger difference between meter value and the reference value. | Same number 388(393-3-2)BG results possible for each BGMS.Subjects provided 1,2,or 3 capillary samples-total 393 samples. 3 glycolyzed samples were not analyzed - glycolysis exceeded the protocol-defined time. All meter data for 2 glycolyzed samples were not evaluable (not analyzed)- their YSI results were less than the meter operating ranges. | Posted | Mean | 95% Confidence Interval | percentage | 10 hours | BG test results | Participants |
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | Study Staff Test BGMSs | All testing and lancings were performed by the study staff; subjects did not perform any lancing or self-testing in this study. Study Staff lanced the fingers of subjects and tested the blood samples using five Blood Glucose Monitoring Systems(BGMS): FreeStyle Freedom Lite® BGMS; TRUEtrack® BGMS; OneTouch® Ultra®2 BGMS; ACCU-CHEK® Aviva BGMS; CONTOUR® NEXT EZ BGMS. |
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| Term | Organ System | Source Vocabulary | Assessment Type | Notes | Statistical Information |
|---|---|---|---|---|---|
| hypoglycemia | Endocrine disorders | Non-systematic Assessment | Mild, Not device related |
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Jane Wallace | Ascensia Diabetes Care | 574-257-3063 | jane.wallace@ascensia.com |
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| ID | Term |
|---|---|
| D003920 | Diabetes Mellitus |
| ID | Term |
|---|---|
| D044882 | Glucose Metabolism Disorders |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
| D004700 | Endocrine System Diseases |
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| FreeStyle Freedom Lite® BGMS | Device | Study staff performed Blood Glucose (BG) testing with capillary fingerstick blood collected from subjects with diabetes and without diabetes (up to 10% of subjects without diabetes were included). Performance of FreeStyle Freedom Lite® BGMS was evaluated across the glucose range of the BGMs. All meter BG results were compared with capillary plasma results obtained with a reference laboratory glucose method (YSI Glucose Analyzer). |
|
| ACCU-CHEK® Aviva BGMS | Device | Study staff performed Blood Glucose (BG) testing with capillary fingerstick blood collected from subjects with diabetes and without diabetes (up to 10% of subjects without diabetes were included). Performance of ACCU-CHEK® Aviva BGMS was evaluated across the glucose range of the BGMs. All meter BG results were compared with capillary plasma results obtained with a reference laboratory glucose method (YSI Glucose Analyzer). |
|
| TRUEtrack® BGMS | Device | Study staff performed Blood Glucose (BG) testing with capillary fingerstick blood collected from subjects with diabetes and without diabetes (up to 10% of subjects without diabetes were included). Performance of TRUEtrack® BGMS was evaluated across the glucose range of the BGMs. All meter BG results were compared with capillary plasma results obtained with a reference laboratory glucose method (YSI Glucose Analyzer). |
|
| OneTouch® Ultra®2 BGMS | Device | Study staff performed Blood Glucose (BG) testing with capillary fingerstick blood collected from subjects with diabetes and without diabetes (up to 10% of subjects without diabetes were included). Performance of OneTouch® Ultra®2 BGMS was evaluated across the glucose range of the BGMs. All meter BG results were compared with capillary plasma results obtained with a reference laboratory glucose method (YSI Glucose Analyzer). |
|
| 10 hours |
| years |
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| Sex: Female, Male | Count of Participants | Participants |
|
| Region of Enrollment | Number | participants |
|
| ID | Title | Description |
|---|
| OG000 | Study Staff Test BGMSs | All testing and lancings were performed by the study staff; subjects did not perform any lancing or self-testing in this study. Study Staff lanced the fingers of subjects and tested the blood samples using five Blood Glucose Monitoring Systems(BGMS): FreeStyle Freedom Lite® BGMS; TRUEtrack® BGMS; OneTouch® Ultra®2 BGMS; ACCU-CHEK® Aviva BGMS; CONTOUR® NEXT EZ BGMS. |
|
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| Secondary | MARD (Mean Absolute Relative Difference Between BGMS Results and Reference Method Results) Across the Low Glucose Range (<70mg/dL) | Using fresh and glycolyzed samples with Blood Glucose(BG) below 70 mg/dL, the Mean Absolute Relative Differences (MARD) between the BGM System readings and the YSI laboratory reference values were compared. MARD is calculated from the sum of all |(BG meter)-(BG reference)| / (BG Reference) assessments, divided by the number of assessments, then multiplied by 100(%). Each evaluable sample was tested on all five BGMS, thus the same number of BG test results was analyzed for each BGMS intervention. Lower MARD value indicates smaller difference between meter value and the reference value . Higher MARD value indicates larger difference between meter value and the reference value. | Same number (190) of BG results was possible for each BGMS. Subjects provided 1,2,or 3 capillary samples, of which 190 samples were less than 70 mg/dL. | Posted | Mean | 95% Confidence Interval | percentage | 10 hours | BG test results | Participants |
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| 0 |
| 146 |
| 4 |
| 146 |
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| Title | Measurements |
|---|---|
|
| OneTouch® Ultra®2 BGMS |
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| TRUEtrack® BGMS |
|