CClinicalTrials.gg
CompletedNCT01432275IHUTUpdated Aug 4, 2017Results posted

Ease of Use of New Blood Glucose Meter With In-built Insulin Calculator at Home Study

An interventional study of ADC blood glucose meter and Comparator blood glucose meter in Diabetes Mellitus, sponsored by Abbott Diabetes Care. Completed at 7 sites in United Kingdom. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2017-08-04.

Sponsored by Abbott Diabetes Care · Not applicable, Interventional, and Supportive care

Phase
Not applicable
Study type
Interventional
Enrollment
179
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study summary

The aim of this study is to evaluate user preference and ease of use of the FreeStyle InsuLinx system, compared to current methodology, when used at home by subjects with diabetes.

Subjects will also be comparing the ease of use of the FreeStyle InsuLinx system with comparator meters.

02

Conditions studied

  • Diabetes Mellitus

Browse trials for

Keywords

  • Diabetes
  • SMBG
  • Insulin calculator
03

In context

Diabetes Mellitus

10,925 studies on the registry are indexed under Diabetes Mellitus; 1,319 are open to participants now.

This study's enrollment of 179 is above the median of 80 across 8,367 interventional studies indexed under Diabetes Mellitus.

Browse Diabetes Mellitus studies →

Lead sponsor

Abbott Diabetes Care is the lead sponsor of 42 studies on the registry; 3 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Subject with Type 1 or 2 diabetes on a bolus regime (U100 insulin), one or more bolus injections per day for at least 6 months;
  • Age 18 yrs and above;
  • Regularly testing SMBG 3 or more times per day;
  • Willingness to test at least 4 times per day.

Exclusion criteria

Exclusion Criteria:

  • Know to require a bolus injection of more than 50U in a single dose;
  • Has previously used either the InsuLinx or assigned comparison meter;
  • Participated in structured diabetes management training in the last 6 months
  • Is currently on an insulin pump;
  • Has concomitant disease that, in the Investigator's opinion, may compromise patient safety;
  • Is participating in another study of a glucose monitoring device or drug that could affect glucose measurements or glucose management;
  • Female subject who is pregnant or planning to become pregnant during the course of the study.
05

Study design

Phase
Not applicable
Primary purpose
Supportive care
Allocation
Randomized
Intervention model
Crossover assignment
Masking
None (open label)
Enrollment
179 participants (actual)

Study arms

  • Experimental
    ADC, Then Comparator, Then ADC With Calculator

    Subject used the ADC blood glucose meter for 7 days with the insulin calculator not activated, followed by a comparator blood glucose meter for 7 days. For the last 10 days the subject used the ADC blood glucose meter with insulin calculator active.

    Device: ADC blood glucose meter · Device: Comparator blood glucose meter · Device: ADC blood glucose meter with insulin calculator active

  • Experimental
    Comparator, Then ADC, Then ADC With Calculator

    Subject used a comparator blood glucose meter for 7 days, followed by the ADC blood glucose meter for 7 days, with the insulin calculator not activated. For the last 10 days the subject used the ADC blood glucose meter with insulin calculator active.

    Device: ADC blood glucose meter · Device: Comparator blood glucose meter · Device: ADC blood glucose meter with insulin calculator active

Interventions

  • DeviceADC blood glucose meter

    Subjects used the FreeStyle InsuLinx with the insulin calculator not activated. Subjects had not previously used the FreeStyle InsuLinx meter.

    Also known as: Abbott Freestyle InsuLinx

  • DeviceComparator blood glucose meter

    Subjects were randomly assigned one of the comparator meters. Subjects had not previously used the assigned comparator meter.

    Also known as: Roche Accu-Chek Aviva Nano, Lifescan Verio Pro or, Bayer Contour USB

  • DeviceADC blood glucose meter with insulin calculator active

    Subjects used the FreeStyle InsuLinx with the insulin calculator activated.

    Also known as: Abbott FreeStyle InsuLinx

06

What researchers measure

Primary outcomes

  1. Overall User Preference for the FreeStyle InsuLinx System Compared to Current Method.

    Overall user preference of the FreeStyle InsuLinx system as a diabetes management tool when compared against their usual method.

    Time frame: 25 days

Secondary outcomes

  1. Preference Questionnaire (Insulin Calculator Not Activated)

    Result for the question: "The meter the subject would change to"

    Time frame: 25 days (results recorded after the two 7 day periods)

07

Results

Posted Aug 4, 2017

Participant flow

A total of 179 subjects were enrolled on this study, 164 completed the study.

First BG Meter System (7 Days)
Participant flow — First BG Meter System (7 Days)
MilestoneADC, Then Comparator, Then ADC With CalculatorComparator, Then ADC, Then ADC With Calculator
Started9087
Completed9084
Not completed03
Withdrew: Adverse event02
Withdrew: Withdrawal by subject01
Second BG Meter System (7 Days)
Participant flow — Second BG Meter System (7 Days)
MilestoneADC, Then Comparator, Then ADC With CalculatorComparator, Then ADC, Then ADC With Calculator
Started9084
Completed8881
Not completed23
Withdrew: Adverse event11
Withdrew: Lost to follow-up10
Withdrew: Physician decision01
Withdrew: Withdrawal by subject01
ADC With Calculator (10 Days)
Participant flow — ADC With Calculator (10 Days)
MilestoneADC, Then Comparator, Then ADC With CalculatorComparator, Then ADC, Then ADC With Calculator
Started8881
Completed8579
Not completed32
Withdrew: Physician decision11
Withdrew: Withdrawal by subject20
Withdrew: Protocol violation01

Outcome measures

PrimaryOverall User Preference for the FreeStyle InsuLinx System Compared to Current Method.

Overall user preference of the FreeStyle InsuLinx system as a diabetes management tool when compared against their usual method.

Time frame:
25 days
Reported as:
Number · participants
Overall User Preference for the FreeStyle InsuLinx System Compared to Current Method.
participantsPer Protocol Population
Overall User Preference for the FreeStyle InsuLinx System Compared to Current Method.125
Statistical analysis
  • Per Protocol Population · Binomial test · p = <0.0001Comparison to 27 participants that preferred their usual method to FreeStyle InsuLinx. Twelve(12) participants did not have a preference.
SecondaryPreference Questionnaire (Insulin Calculator Not Activated)

Result for the question: "The meter the subject would change to"

Time frame:
25 days (results recorded after the two 7 day periods)
Reported as:
Number · participants
Preference Questionnaire (Insulin Calculator Not Activated)
participantsPer Protocol Population
Subject would change to FreeStyle InsuLinx98
Subject would change to a comparison meter32
Not likely to change / not sure / missing answer34

Adverse events

Collected over Adverse events collected from enrolment to completion by last subject (up to 2 months).. Non-serious events are listed at a 5% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
ADC Blood Glucose Meter—2/177 (1.1%)0/178 (0%)
Comparator Blood Glucose Meter—0/177 (0%)0/178 (0%)
ADC Blood Glucose Meter With Calculator—1/169 (0.6%)0/169 (0%)
Most frequent serious events
Most frequent serious events
EventADC Blood Glucose MeterComparator Blood Glucose MeterADC Blood Glucose Meter With Calculator
Abdominal painGastrointestinal disorders0/1770/1771/169
HypoglycaemiaEndocrine disorders1/1770/1770/169
VomitingGastrointestinal disorders1/1770/1770/169

Baseline characteristics

Age, Categorical
Age, Categorical(Participants)Per Protocol Population
<=18 years0
Between 18 and 65 years145
>=65 years19
Age, Continuous
Age, Continuous(years)Per Protocol Population
Mean48.8 ± 13.0
Sex: Female, Male
Sex: Female, Male(Participants)Per Protocol Population
Female81
Male83
Region of Enrollment
Region of Enrollment(participants)Per Protocol Population
United Kingdom164
Type of Diabetes
Type of Diabetes(participants)Per Protocol Population
Type 1128
Type 236
08

Study locations

7 sites
  • Tameside Hospital NHS Foundation Trust
    Ashton-under-Lyne, OL6 9RW, United Kingdom
  • Ayr Hospital
    Ayr, KA6 6DX, United Kingdom
  • Royal United Hospital
    Bath, BA1 3NG, United Kingdom
  • Royal Blackburn Hospital
    Blackburn, BB2 7PL, United Kingdom
  • North Manchester Diabetes Centre
    Crumpsall, M8 5RB, United Kingdom
  • Ipswich Hospital NHS Trust
    Ipswich, IP4 5PD, United Kingdom
  • Greenwood & Sneinton Family Medical Centre
    Nottingham, NG3 7DQ, United Kingdom
09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Aug 4, 2017, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT01432275
Lead sponsor
Abbott Diabetes Care
Responsible party
Sponsor
First posted
Sep 12, 2011
Start date
Sep 2011
Primary completion
Apr 2012
Completion
Apr 2012
Results posted
Aug 4, 2017
Last update
Aug 4, 2017

Study contacts

Shenaz Ramtoola
principal investigator · Royal Blackburn Hospital

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Apr 2017. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Start the discussion