NCT05348928

Brief Summary

The purpose of the investigation is to obtain sufficient preliminary information about the performance of the TrueVie Continuous Glucose Monitoring (CGM) device to identify any need for any design modifications.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
16

participants targeted

Target at below P25 for all trials

Timeline
Completed

Started May 2022

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

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

April 14, 2022

Completed
13 days until next milestone

First Posted

Study publicly available on registry

April 27, 2022

Completed
7 days until next milestone

Study Start

First participant enrolled

May 4, 2022

Completed
1 month until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 16, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 16, 2022

Completed
Last Updated

June 30, 2022

Status Verified

May 1, 2022

Enrollment Period

1 month

First QC Date

April 14, 2022

Last Update Submit

June 29, 2022

Conditions

Outcome Measures

Primary Outcomes (5)

  • Incidence of Treatment-Emergent Adverse Events

    safety is assessed by adverse events

    15 days

  • Incidence of Treatment-Emergent Adverse Device Events

    safety is assessed by adverse device effects

    15 days

  • Insertion Site Intensity of any Erythema on a Likert scale

    tolerability by intensity of erythema at the insertion site

    15 days

  • Insertion Site Erythema Size estimated from Lengths of Major and Minor Axis

    tolerability by size of erythema at the insertion site

    15 days

  • Edema by Maximal Height from Surrounding Skin Surface

    tolerability by edema at insertion site

    15 days

Secondary Outcomes (1)

  • Sensor Accuracy by Mean Absolute Glucose Concentration Difference from Reference

    15 days

Study Arms (2)

With oral ascorbic acid

1 g ascorbic acid orally

Device: Continuous glucose monitoring deviceOther: Laboratory plasma glucose concentration determination

Without oral ascorbic acid

No oral ascorbic acid is taken

Device: Continuous glucose monitoring deviceOther: Laboratory plasma glucose concentration determination

Interventions

Continuous glucose monitoring device

With oral ascorbic acidWithout oral ascorbic acid

Laboratory plasma glucose concentration determination

With oral ascorbic acidWithout oral ascorbic acid

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Patients with type 1 diabetes

You may qualify if:

  • Type 1 diabetes mellitus 2. Must be and have been in stable treatment regimen for at least 3 months with a multiple daily insulin dosing regimens or Continuous Subcutaneous Insulin Infusion (CSII), irrespective of delivery device(s).
  • \. Must have normal exercise tolerance.

You may not qualify if:

  • Skin adhesive tolerance issues in the area of sensor placement
  • HbA1c \> 9%.
  • Insulin meal dosing based on fixed dose regimens.
  • Absence of established corrective factor for high glucose.
  • Hematocrit below 10% under the lower limit of the normal range.
  • Body mass index \< 20 kg/m2.
  • Inadequate intravenous access on arms.
  • Absence of moderate exercise tolerance per history
  • Pregnancy, planned pregnancy within the study period, or unwillingness to use reliable contraception during the study period.
  • Planned MRI, CT scan or diathermic procedure for the duration of the study.
  • Any medical history of malignant melanoma or breast cancer.
  • Medical history of any other cancers within the last five years except adequately treated basal cell or squamous carcinoma of the skin, or cervical carcinoma in-situ.
  • History of alcohol or drug abuse within the last year.
  • Any condition that in the opinion of the investigator may interfere successful completion of study procedures.
  • Participation in other clinical trials involving receipt of investigational drug that cannot be disclosed within the last 30 days.
  • +1 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Rainier Clinical Research Center

Renton, Washington, 98057, United States

Location

MeSH Terms

Interventions

Continuous Glucose Monitoring

Intervention Hierarchy (Ancestors)

Blood Chemical AnalysisClinical Chemistry TestsClinical Laboratory TechniquesDiagnostic Techniques and ProceduresDiagnosisDiagnostic Techniques, EndocrineMonitoring, PhysiologicInvestigative Techniques

Study Officials

  • Poul Strange, MD, PhD

    Integrated Medical Development

    STUDY DIRECTOR

Study Design

Study Type
observational
Observational Model
OTHER
Time Perspective
PROSPECTIVE
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 14, 2022

First Posted

April 27, 2022

Study Start

May 4, 2022

Primary Completion

June 16, 2022

Study Completion

June 16, 2022

Last Updated

June 30, 2022

Record last verified: 2022-05

Data Sharing

IPD Sharing
Will not share

Locations