A French Study to Evaluate the Usefulness of an Implantable Continuous Glucose Monitoring (CGM) Sensor to Improve Glycemic Control in Participants With Diabetes Mellitus

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Roche

Status

Completed

Conditions

Diabetes Mellitus

Treatments

Device: Eversense XL CGM System
Device: Usual SMBG or FGM device used by participants

Study type

Interventional

Funder types

Industry
Other

Identifiers

NCT03445065
RD003329

Details and patient eligibility

About

This study will be conducted in France and will evaluate the usefulness of using a long-term subcutaneously inserted continuous glucose monitoring (CGM) sensor (the Eversense XL CGM System) to improve glycemic control in patients with either Type 1 or Type 2 diabetes mellitus under insulin therapy. Participants will be enrolled into one of two cohorts (Cohorts 1 and 2). Cohort 1 will be focused on participants with Type 1 or Type 2 diabetes with hemoglobin A1C (HbA1c) >8%. Cohort 2 will be focused on participants with Type 1 diabetes spending more than 1.5 hours per day with mean glucose <70 mg/dL, including excursions below 54 mg/dL, for at least 28 days. Within each cohort, participants will be randomized in a 2:1 ratio to one of two groups: the Enabled and Control groups, respectively. The Enabled group will be trained to use the CGM system, whereas the Control group will continue with their usual glucose monitoring system (self-monitoring of blood glucose [SMBG] or flash glucose monitoring [FGM]).

Enrollment

239 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Male and female participants at least 18 years of age
  • Clinically confirmed diagnosis of Type 1 or Type 2 diabetes mellitus for ≥1 year and using insulin by multiple-daily subcutaneous injections or insulin pump and an HbA1c > 8% (Cohort 1)
  • Clinically confirmed diagnosis of Type 1 diabetes mellitus for ≥1 year and using insulin by multiple-daily subcutaneous injections or insulin pump and spending more than more than 1.5 hour with sensor glucose <70 mg/dl per day including excursions below 54 mg/dl as a mean for at least 28 days (Cohort 2)
  • Participant is willing to comply with protocol

Exclusion criteria

  • Female participants of childbearing capacity (defined as not surgically sterile or not menopausal for ≥ 1 year) who are lactating or pregnant, intending to become pregnant, or not practicing birth control during the course of the study
  • A condition preventing or complicating the placement, operation or removal of the Sensor or wearing of transmitter, including upper extremity deformities or skin condition
  • History of hepatitis B, hepatitis C, or HIV
  • Currently receiving (or likely to need during the study period): immunosuppressant therapy; chemotherapy; anticoagulant/antithrombotic therapy (excluding aspirin < 2000 mg per day); antibiotics for chronic infection (e.g. osteomyelitis, endocarditis)
  • A condition requiring or likely to require magnetic resonance imaging (MRI)
  • Known topical or local anesthetic allergy
  • Known allergy to glucocorticoids or using systemic glucocorticoids (excluding topical, optical or nasal but including inhaled)
  • Any condition that in the investigator's opinion would make the participant unable to complete the study or would make it not in the participant's best interest to participate in the study. Conditions include, but are not limited to, psychiatric conditions, known current or recent alcohol abuse or drug abuse by participant history, a condition that may increase the risk of induced hypoglycemia or risk related to repeated blood testing. Investigator will supply rationale for exclusion
  • Participation in another clinical investigation (drug or device) within 2 weeks prior to screening or intent to participate during the study period
  • Legal incompetence or limited legal competence
  • Dependency on sponsor or Investigator (e.g. co-worker or family member)
  • The presence of any other active implanted device

Trial design

Primary purpose

Diagnostic

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

239 participants in 4 patient groups

Cohort 1, Enabled - Eversense XL CGM System
Experimental group
Description:
Cohort 1 included patients with clinically confirmed diagnosis of Type 1 or Type 2 diabetes mellitus for ≥1 year and using insulin by multiple-daily subcutaneous injections or insulin pump and had an HbA1c >8%. All participants had the Eversense XL Glucose Sensor subcutaneously implanted into their arm of choice. Those randomized into the Enabled group were trained and allowed to use the Eversense XL system for continuous glucose monitoring (CGM). They were not allowed to use another CGM or FGM system.
Treatment:
Device: Eversense XL CGM System
Cohort 1, Control - Usual Glucose Monitoring System (SMBG or FGM)
Active Comparator group
Description:
Cohort 1 included patients with clinically confirmed diagnosis of Type 1 or Type 2 diabetes mellitus for ≥1 year and using insulin by multiple-daily subcutaneous injections or insulin pump and had an HbA1c >8%. All participants had the Eversense XL Glucose Sensor subcutaneously implanted into their arm of choice. Those randomized into the Control group were to continue using their usual glucose monitoring system (self-monitoring of blood glucose [SMBG] or flash glucose monitoring [FGM]), and the implanted Eversense XL CGM System remained in blinded mode.
Treatment:
Device: Usual SMBG or FGM device used by participants
Device: Eversense XL CGM System
Cohort 2, Enabled - Eversense XL CGM System
Experimental group
Description:
Cohort 2 included patients with Type 1 diabetes mellitus for ≥1 year and using insulin by multiple-daily subcutaneous injections or insulin pump and spending >1.5 hours per day with a sensor mean glucose of <70 mg/dL for at least 28 days (time in hypoglycemia). All participants had the Eversense XL Glucose Sensor subcutaneously implanted into their arm of choice. Those randomized into the Enabled group were trained and allowed to use the Eversense XL system for continuous glucose monitoring (CGM). They were not allowed to use another CGM or FGM system.
Treatment:
Device: Eversense XL CGM System
Cohort 2, Control - Usual Glucose Monitoring System (SMBG or FGM)
Active Comparator group
Description:
Cohort 2 included patients with Type 1 diabetes mellitus for ≥1 year and using insulin by multiple-daily subcutaneous injections or insulin pump and spending >1.5 hours per day with a sensor mean glucose of <70 mg/dL for at least 28 days (time in hypoglycemia). All participants had the Eversense XL Glucose Sensor subcutaneously implanted into their arm of choice. Those randomized into the Control group were to continue using their usual glucose monitoring system (self-monitoring of blood glucose [SMBG] or flash glucose monitoring [FGM]), and the implanted Eversense XL CGM System remained in blinded mode.
Treatment:
Device: Usual SMBG or FGM device used by participants
Device: Eversense XL CGM System

Trial documents
2

Trial contacts and locations

20

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Data sourced from clinicaltrials.gov

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