NCT05562206

Brief Summary

This is a single center, single arm non-randomized study of 48-hour CGMIS wear duration incorporating two meal-challenge tests to explore the performance of a single insertion combined glucose-sensing insulin delivery cannula.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
20

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Aug 2022

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

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

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

August 30, 2022

Completed
27 days until next milestone

First Submitted

Initial submission to the registry

September 26, 2022

Completed
4 days until next milestone

First Posted

Study publicly available on registry

September 30, 2022

Completed
1 day until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 1, 2022

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

November 1, 2022

Completed
Last Updated

September 30, 2022

Status Verified

September 1, 2022

Enrollment Period

1 month

First QC Date

September 26, 2022

Last Update Submit

September 28, 2022

Conditions

Outcome Measures

Primary Outcomes (2)

  • Accuracy

    Sensor accuracy as determined by mean absolute difference (MAD) for reference YSI venous blood glucose values ≤75 mg/dL and mean absolute relative difference (MARD) for reference YSI venous blood glucose values \>75 mg/dL

    First 48 hours

  • Accuracy

    • Sensor accuracy in the performance metrics described in the FDA iCGM Special Controls.

    First 48 hours

Secondary Outcomes (4)

  • Number of subjects who discontinue delivery of insulin through the device due to unexplained hyperglycemia

    First 48 hours

  • Results of tolerability questionnaire

    First 48 hours

  • Results of Draize scale

    Firts 48 hours

  • Visual Analog Scale (VAS) for site discomfort

    First 48 hours

Study Arms (1)

Study group

EXPERIMENTAL

All subjects using the study device

Device: CGMIS (Continuous Glucose Monitoring Infusion Set)

Interventions

An integrated combination CGM/insulin infusion system

Study group

Eligibility Criteria

Age18 Years - 75 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Type 1 diabetes, present for at least 6 months. If there is lack of clarity regarding the type of diabetes, the PI will make the final decision based on medical records.
  • Age 18-75
  • Currently using a Tandem T-Slim or Medtronic 523/723 or newer series insulin pump to treat their diabetes.
  • Hgb A1C between 5.8 and 10%
  • Willingness to follow all study procedures and to attend all clinic visits.
  • Willingness to sign informed consent and HIPPA documents.

You may not qualify if:

  • Need for MRI/CT/Diathermy during study participation
  • Current use of Hydroxyurea
  • History of chronic kidney disease
  • Inability to read pump or CGM display due to reduced visual acuity
  • History of unstable ischaemic heart disease or myocardial infarction within the last 3 months.
  • History of chronic liver disease
  • Active infection such as HIV or hepatitis
  • Anemia defined by HCT at least 4 percentage points below lower limit of the reference range
  • Dementia, Schizophrenia or other untreated mental illness
  • Chronic substance abuse
  • Chronic alcohol abuse
  • Seizure disorder
  • Major surgical operation within 30 days prior to screening
  • History of bleeding disorder or treatment with anticoagulants.
  • Allergy to acrylate-based skin adhesives
  • +6 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Rainier Clinical Research Center

Renton, Washington, 98057, United States

RECRUITING

Central Study Contacts

Study Design

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

Study Record Dates

First Submitted

September 26, 2022

First Posted

September 30, 2022

Study Start

August 30, 2022

Primary Completion

October 1, 2022

Study Completion

November 1, 2022

Last Updated

September 30, 2022

Record last verified: 2022-09

Locations