NCT02276131

Brief Summary

A human factors and home use study to assess whether subjects with diabetes and their caregivers can understand feedback received from the Vigilant Diabetes Management Application about their blood glucose patterns and whether the decisions made in response to device feedback are made in accordance with the intended use.

Trial Health

100
On Track

Trial Health Score

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

Enrollment
61

participants targeted

Target at P25-P50 for not_applicable diabetes-mellitus

Timeline
Completed

Started Jan 2015

Status
completed

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

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

October 20, 2014

Completed
8 days until next milestone

First Posted

Study publicly available on registry

October 28, 2014

Completed
2 months until next milestone

Study Start

First participant enrolled

January 1, 2015

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2015

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2015

Completed
Last Updated

February 24, 2016

Status Verified

February 1, 2016

Enrollment Period

8 months

First QC Date

October 20, 2014

Last Update Submit

February 23, 2016

Conditions

Outcome Measures

Primary Outcomes (2)

  • Adequate understanding of algorithmic feedback based on surveyed responses (Measure: units on a scale)

    An exit questionnaire will survey participants about comprehension of algorithmic feedback. Across all 5-point rating scales, the average rating will be determined.

    1 month home use

  • Successful completion of frequent and risk-related tasks (Measure: Percent of tasks successfully completed)

    Percent successful initial or reattempt task completion across the range of usability tasks. Example: One task is to access the "Trends" screen to review and interpret weekly and monthly trend data for blood glucose variability and average glucose values.

    Controlled in-office testing for up to 2 hours

Study Arms (1)

Usability testing

EXPERIMENTAL

Patients will participate in summative human factors testing of the Vigilant Diabetes Management Application in a controlled environment and during home use testing. Clinicians will participate in summative human factors testing in a controlled environment.

Device: Vigilant Diabetes Management Application

Interventions

Human factors and usability assessment of the device in the hands of diabetes subjects and caregivers

Usability testing

Eligibility Criteria

Age13 Years+
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • Persons with diabetes mellitus testing blood glucose 3 or more times per day
  • Clinicians who see diabetes patients

You may not qualify if:

  • Admission for diabetic ketoacidosis in the 6 months prior to enrollment
  • A recent injury to body or limb, muscular disorder, use of any medication, any carcinogenic disease, or other significant medical disorder if that injury, medication or disease in the judgment of the investigator will affect the completion of the protocol
  • Patients who are not willing to share their glucose meter data, or do not perform the tasks asked of them and follow instructions for the study will be excluded
  • Pregnancy

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Diabetes Mellitus

Condition Hierarchy (Ancestors)

Glucose Metabolism DisordersMetabolic DiseasesNutritional and Metabolic DiseasesEndocrine System Diseases

Study Officials

  • Stacey Anderson, MD

    University of Virginia

    PRINCIPAL INVESTIGATOR

Study Design

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

Study Record Dates

First Submitted

October 20, 2014

First Posted

October 28, 2014

Study Start

January 1, 2015

Primary Completion

September 1, 2015

Study Completion

December 1, 2015

Last Updated

February 24, 2016

Record last verified: 2016-02