In-hospital Diabetes Management With Flash Glucose Monitoring (isCGM) - the INDIGO Study, Part A

November 16, 2022 updated by: Julie Støy, University of Aarhus
The aim of the study is to investigate the applicability of a Flash glucose monitoring sensor (Freestyle Libre, isCGM) for in-hospital glucose monitoring in patients with diabetes requiring nutritional therapy (tube feeding or parenteral feeding).

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Terminated

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

All patients who meet study criteria will be invited to participate in the study. All patients included in the study will be followed by a trained clinical diabetes specialist and a trained study nurse (study personnel) for glucose management during their hospitalization. All patients included in the study will receive a Freestyle Libre isCGM. The patients will be randomized to control (blinded isCGM glucose values to patient and study personnel and POC (point-of-care) plasma glucose will be used for adjusting diabetes treatment) or intervention (isCGM blood glucose values will be used to aid with glucose management during the hospitalization). The study personnel will work with the patient's care team.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
13

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Denmark
      • Aarhus, Denmark, 8200
        • Aarhus University Hospital

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

14 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Expected length of hospital stay of at least 48 hours
  • Diagnosed with diabetes
  • Literate in Danish
  • Nutritional therapy using tube feeding or parenteral nutritional therapy
  • Admission to Department of Gastrointestinal Surgery or Department of Heart-, Lung-, and Vascular surgery, both at Aarhus University Hospital, Denmark.

Exclusion Criteria:

  • Pregnancy
  • Patient unable to provide informed consent
  • Patient unable to use mobile phone for reading isCGM sensor
  • Known allergy to adhesives
  • Anticipated MRI during the hospital admission
  • Patients using CGM prior to hospital admission

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Other
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Active Comparator: isCGM-arm
isCGM (intermittently scanned continuous glucose monitor) data obtained from a FreeStyle Libre Flash continuous glucose monitoring system will be viewed real-time and used to adjust diabetes treatment
Other: isCGM group
As previously described
No Intervention: POC-arm
POC glucose readings are used to adjust diabetes treatment. CGM data from the Freestyle Libre monitor are blinded to all and only gathered for comparison purposes to intervention group.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Glucose time in range (3,9-10 mmol/l) (% pr day)
Time Frame: 2-14 days
Glucose time in range (3,9-10 mmol/l) when diabetes treatment is adjusted using isCGM compared with standard care using POC plasma glucose monitoring (PG) (% pr day)
2-14 days

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Mean glucose (mmol/l) isCGM versus POC PG
Time Frame: 2-14 days
Mean glucose (mmol/l) when diabetes treatment is adjusted using isCGM compared with standard care using POC plasma glucose monitoring (PG)
2-14 days
Glycemic variability; coefficient of variation (CV) (in %)
Time Frame: 2-14 days
CV when diabetes treatment is adjusted using isCGM compared with standard care using POC plasma glucose monitoring (PG)
2-14 days
Glycemic variability; standard deviation (SD)
Time Frame: 2-14 days
SD when diabetes treatment is adjusted using isCGM compared with standard care using POC plasma glucose monitoring (PG)
2-14 days
Time in hypoglycemia (<3 mmol/L) (%)
Time Frame: 2-14 days
Time in hypoglycemia (%) when diabetes treatment is adjusted using isCGM compared with standard care using POC plasma glucose monitoring (PG)
2-14 days
Time in hypoglycemia (<3,9 mmol/l) (%)
Time Frame: 2-14 days
Time in hypoglycemia (%) when diabetes treatment is adjusted using isCGM compared with standard care using POC plasma glucose monitoring (PG)
2-14 days
Number of events with hypoglycemia (<3,9 mmol/l) (%)
Time Frame: 2-14 days
Number of events with hypoglycemia per day (<3,9 mmol/L for >15 minutes) when diabetes treatment is adjusted using isCGM compared with standard care using POC plasma glucose monitoring (PG)
2-14 days
Time in hyperglycemia (>10 mmol/l) (%)
Time Frame: 2-14 days
Time in hyperglycemia when diabetes treatment is adjusted using isCGM compared with standard care using POC plasma glucose monitoring (PG)
2-14 days
Glucose out of range: Time in hypoglycemia and time in hyperglycemia (<3,9 and >10 mmol/l) (%)
Time Frame: 2-14 days
Glucose out of range: Time in hypoglycemia and time in hyperglycemia (<3,9 and >10 mmol/l) (%) when diabetes treatment is adjusted using isCGM compared with standard care using POC plasma glucose monitoring (PG)
2-14 days
Daily total insulin dosage (IE)
Time Frame: 2-14 days
Daily total insulin dosage (IE) when diabetes treatment is adjusted using isCGM compared with standard care using POC plasma glucose monitoring (PG)
2-14 days
Time with active isCGM
Time Frame: 2-14 days
Time with active isCGM (%) in intervention group
2-14 days

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
University of Aarhus

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
Aarhus University Hospital

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Julie Støy, MD, Aarhus University Hospital

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
January 4, 2021

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
November 16, 2022

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
November 16, 2022

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
November 13, 2020

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
November 25, 2020

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
December 3, 2020

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
November 21, 2022

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
November 16, 2022

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
November 1, 2022

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • 1-10-72-188-20

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

No

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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