An Evaluation of Novel Glucose Sensing Technology on Hypoglycaemia in Type 1 Diabetes (IMPACT)

NCT ID: NCT02232698

Last Updated: 2017-04-10

Study Results

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

328 participants

Study Classification

INTERVENTIONAL

Study Start Date

2014-09-30

Study Completion Date

2015-10-31

Brief Summary

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The purpose of this study is to evaluate the impact of the Abbott Sensor Based Glucose Monitoring System on hypoglycaemia compared to Self Monitoring Blood Glucose (SMBG) testing using a randomised controlled study design in adults with Type 1 diabetes using insulin.

Detailed Description

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Conditions

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Type 1 Diabetes Mellitus

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

OTHER

Blinding Strategy

NONE

Study Groups

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Sensor Based Glucose Monitoring System

Standard sensing system use for 6 months.

Group Type EXPERIMENTAL

Sensor Based Glucose Monitoring System

Intervention Type DEVICE

Subjects will wear the Abbott Sensor Based Glucose Monitoring System (unmasked) for 6 months to monitor their glucose levels.

All subjects will wear a masked Abbott Sensor Based Glucose Monitoring System, for 14 days prior to randomisation (Sensor glucose measurements not visible during this time).

Standard Blood Glucose Monitoring

Subjects randomised to the control group will be given blood glucose meters for monitoring for the 6 months study duration.

Group Type ACTIVE_COMPARATOR

Standard Blood Glucose Monitoring

Intervention Type DEVICE

Subjects will use an Abbott Blood Glucose Monitoring System (standard blood glucose meter) for 6 months to monitor their glucose levels. A 14-day masked wear of the Abbott Sensor Based Glucose Monitoring System is included for these subjects at the 3 and 6 month time point, to collect glycaemic variability data for comparison to the intervention group of the study (Sensor glucose measurements not visible during this time).

All subjects will wear a masked Abbott Sensor Based Glucose Monitoring System, for 14 days prior to randomisation (Sensor glucose measurements not visible during this time).

Interventions

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Sensor Based Glucose Monitoring System

Subjects will wear the Abbott Sensor Based Glucose Monitoring System (unmasked) for 6 months to monitor their glucose levels.

All subjects will wear a masked Abbott Sensor Based Glucose Monitoring System, for 14 days prior to randomisation (Sensor glucose measurements not visible during this time).

Intervention Type DEVICE

Standard Blood Glucose Monitoring

Subjects will use an Abbott Blood Glucose Monitoring System (standard blood glucose meter) for 6 months to monitor their glucose levels. A 14-day masked wear of the Abbott Sensor Based Glucose Monitoring System is included for these subjects at the 3 and 6 month time point, to collect glycaemic variability data for comparison to the intervention group of the study (Sensor glucose measurements not visible during this time).

All subjects will wear a masked Abbott Sensor Based Glucose Monitoring System, for 14 days prior to randomisation (Sensor glucose measurements not visible during this time).

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

1. Diagnosed with Type 1 diabetes for ≥ 5 years
2. On their current insulin regimen for ≥ 3 months prior to study entry
3. Screening HbA1c result ≤ 7.5% (58 mmol/mol)
4. Reports self testing of blood glucose levels on a regular basis equivalent to a minimum of 3 times daily for at least 2 months prior to study entry
5. In the investigator's opinion the subject is considered technically capable of using the Abbott Sensor Based Glucose Monitoring System
6. Aged 18 years or over.

Exclusion Criteria

1. Subject has been diagnosed with hypoglycaemic unawareness (i.e. subject has a diagnosis of impaired awareness of hypoglycaemia recorded in their medical notes OR in the investigator's opinion the subject currently experiences less than minimal warning symptoms for impending hypoglycaemia)
2. Subject is currently prescribed animal insulin
3. Subject is currently prescribed oral steroid therapy or is likely to require oral steroid therapy for any acute or chronic condition during the study
4. Has known allergy to medical grade adhesives
5. Currently participating in another device or drug study that could affect glucose measurements or glucose management
6. Currently using a Continuous Glucose Monitoring (CGM) device or has used one within the previous 4 months
7. Currently using Sensor augmented pump therapy
8. Is planning to use a CGM device at any time during the study
9. A female subject who is pregnant or planning to become pregnant within the study duration
10. A breast feeding mother
11. Currently receiving dialysis treatment or planning to receive dialysis during the study
12. Has a pacemaker
13. Has experienced an acute myocardial infarction within previous 6 months
14. Has a concomitant disease or condition that may compromise subject safety including; unstable coronary heart disease, cystic fibrosis, serious psychiatric disorder, or any other uncontrolled medical condition
15. Has experienced an episode of confirmed or suspected diabetic ketoacidosis (DKA) in the previous 6 months
16. In the investigator's opinion, the subject is considered unsuitable for inclusion in the study for any other reason.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Abbott Diabetes Care

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Stephan Matthaei

Role: PRINCIPAL_INVESTIGATOR

Diabetes Center Quakenbruck

Locations

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VIVIT-Institut am Akad. Lehrkrankenhaus Feldkirch, Innere Medizin und Kardiologie

Feldkirch, , Austria

Site Status

Medizinische Universität Graz Abteilung für Innere Medizin, Klin. Abteilung für Endokrinologie und Stoffwechsel

Graz, , Austria

Site Status

Medizinische Universität Innsbruck

Innsbruck, , Austria

Site Status

Diakonissen-Krankenhaus Salzburg

Salzburg, , Austria

Site Status

Klinik fuer Innere Medizin III Medizinische Universitaet Wien

Vienna, , Austria

Site Status

Wilhelminenspital Medzin 5

Vienna, , Austria

Site Status

Diabetes Klinik Bad Mergentheim

Bad Mergentheim, , Germany

Site Status

Zentrum für Diabetologie Hamburg Bergedorf

Hamburg, , Germany

Site Status

Diabetes-Zentrum Hannover-Nord

Hanover, , Germany

Site Status

Diabetes Center Quakenbruck

Quakenbrück, , Germany

Site Status

Versdias GmbH

Sūlzbach-Rosenberg, , Germany

Site Status

Vrije Universiteit Medisch Centrum

Amsterdam, , Netherlands

Site Status

Onze Lieve Vrouwe gasthuis ( OLVG)

Amsterdam, , Netherlands

Site Status

Amphia Ziekenhuis

Breda, , Netherlands

Site Status

Bethesda Diabetes Research Center

Hoogeveen, , Netherlands

Site Status

Medisch Centrum Haaglanden

The Hague, , Netherlands

Site Status

St. Antonius Ziekenhuis

Utrecht, , Netherlands

Site Status

Hospital Germans Trias i Pujol

Badalona, , Spain

Site Status

Clinica Diabetologica

Gijón, , Spain

Site Status

Servicio de Endocrinología Hospital Unversitario Cruces

Vizcaya, , Spain

Site Status

Falu Lasarett

Falun, , Sweden

Site Status

Karolinska Universitetssjukhuset Solna

Solna, , Sweden

Site Status

Karolinska Universitetssjukhuset Huddinge

Stockholm, , Sweden

Site Status

Countries

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Austria Germany Netherlands Spain Sweden

References

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Oskarsson P, Antuna R, Geelhoed-Duijvestijn P, Krӧger J, Weitgasser R, Bolinder J. Impact of flash glucose monitoring on hypoglycaemia in adults with type 1 diabetes managed with multiple daily injection therapy: a pre-specified subgroup analysis of the IMPACT randomised controlled trial. Diabetologia. 2018 Mar;61(3):539-550. doi: 10.1007/s00125-017-4527-5. Epub 2017 Dec 23.

Reference Type DERIVED
PMID: 29273897 (View on PubMed)

Rayman G, Kroger J, Bolinder J. Could FreeStyle Libre sensor glucose data support decisions for safe driving? Diabet Med. 2018 Apr;35(4):491-494. doi: 10.1111/dme.13515. Epub 2017 Oct 14.

Reference Type DERIVED
PMID: 28945936 (View on PubMed)

Bolinder J, Antuna R, Geelhoed-Duijvestijn P, Kroger J, Weitgasser R. Novel glucose-sensing technology and hypoglycaemia in type 1 diabetes: a multicentre, non-masked, randomised controlled trial. Lancet. 2016 Nov 5;388(10057):2254-2263. doi: 10.1016/S0140-6736(16)31535-5. Epub 2016 Sep 12.

Reference Type DERIVED
PMID: 27634581 (View on PubMed)

Other Identifiers

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ADC-CI-APO-13019

Identifier Type: -

Identifier Source: org_study_id

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