NCT04632849

Brief Summary

GEM (Glycemic Excursion Minimization) is a new lifestyle treatment for type 2 diabetes that aims to lower glucose levels after meals and snacks. This is different from the current lifestyle treatment, which is to lose weight. This study is trying to find out if people who are newly diagnosed with type 2 diabetes can use a continuous glucose monitor together with the GEM lifestyle to improve control of their diabetes. Study participants will follow the GEM lifestyle for 4 months (1 month of treatment and 3 months of maintenance) instead of seeking usual care (medications or weight loss programs) to lower blood glucose.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
17

participants targeted

Target at below P25 for not_applicable diabetes-mellitus-type-2

Timeline
Completed

Started Nov 2020

Shorter than P25 for not_applicable diabetes-mellitus-type-2

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

Study Start

First participant enrolled

November 1, 2020

Completed
2 days until next milestone

First Submitted

Initial submission to the registry

November 3, 2020

Completed
14 days until next milestone

First Posted

Study publicly available on registry

November 17, 2020

Completed
9 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2021

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2021

Completed
Last Updated

October 5, 2021

Status Verified

October 1, 2021

Enrollment Period

9 months

First QC Date

November 3, 2020

Last Update Submit

October 4, 2021

Conditions

Outcome Measures

Primary Outcomes (1)

  • Total Treatment Effect (TTE)

    Measures the effect of the intervention on HbA1c. The TTE factors out the confounding effects of diabetes medications on HbA1c by adjusting for each medication's HbA1c-lowering equivalent.

    Change from baseline TTE at 3 months post-intervention

Secondary Outcomes (9)

  • Blood glucose

    Change from baseline blood glucose at 3 months post-intervention

  • Physical activity

    Change from baseline physical activity at 3 months post-intervention

  • Food Choice Questionnaire: High Glycemic Load (HGL)

    Change from baseline Food Choice Questionnaire HGL at 3 months post-intervention

  • Food Choice Questionnaire: Low Glycemic Load (LGL)

    Change from baseline Food Choice Questionnaire LGL at 3 months post-intervention

  • Patient Health Questionnaire (PHQ-8)

    Change from baseline PHQ-8 at 3 months post-intervention

  • +4 more secondary outcomes

Study Arms (1)

GEM + CGM

EXPERIMENTAL

A self-directed lifestyle intervention for controlling Type 2 Diabetes

Behavioral: GEM + CGM

Interventions

GEM + CGMBEHAVIORAL

Participants follow the GEM guidebook for 4 months (1 month of intervention and 3 months of maintenance) while wearing a FitBit activity monitor and a Freestyle Libre 2 CGM to provide feedback about activity and blood glucose. The GEM guidebook covers Routine choices, Recovering from blood glucose excursions, Reducing blood glucose excursions, and Maintenance.

GEM + CGM

Eligibility Criteria

Age35 Years - 85 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Provision of signed and dated informed consent form.
  • Willing to comply with study procedures and be available for the entire study.
  • to 85 years of age, inclusive.
  • Diagnosed with Type 2 Diabetes within the last 12 months.
  • HbA1c between 6.5% and 11.5%.
  • Medical record contains HbA1c, lipid panel, BMI and blood pressure measures collected in the past three months.
  • to 85 years of age, inclusive.
  • Diagnosed with Type 2 Diabetes within the last 12 months.
  • HbA1c between 6.5% and 11.5%.
  • Medical record contains HbA1c, lipid panel, BMI and blood pressure measures collected in the past three months.

You may not qualify if:

  • Has Type 1 Diabetes
  • Currently takes diabetes medication
  • Currently takes medication that can interfere with metabolic control, such as prednisone
  • Has a condition that precludes a low carbohydrate diet, such as gastroparesis
  • Has a physical or medical condition that precludes walking 120 steps per minute, for 10 minutes or longer
  • Has kidney disease.
  • Is receiving cancer treatment
  • Cannot speak English
  • Has blindness
  • Is pregnant or anticipates becoming pregnant in the next 4 months
  • Anticipates moving away within the next 4 months
  • Took medication that can interfere with metabolic control, such as prednisone
  • Had a condition that precludes a low carbohydrate diet, such as gastroparesis
  • Had a physical or medical condition that precludes walking 120 steps per minute, for 10 minutes or longer
  • Had kidney disease.
  • +2 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Dept. of Psychiatry and Neurobehavioral Sciences, University of Virginia

Charlottesville, Virginia, 22908, United States

Location

Related Publications (1)

  • Cox DJ, Banton T, Moncrief M, Conaway M, Diamond A, McCall AL. Minimizing Glucose Excursions (GEM) With Continuous Glucose Monitoring in Type 2 Diabetes: A Randomized Clinical Trial. J Endocr Soc. 2020 Aug 18;4(11):bvaa118. doi: 10.1210/jendso/bvaa118. eCollection 2020 Nov 1.

    PMID: 33094208BACKGROUND

MeSH Terms

Conditions

Diabetes Mellitus, Type 2

Interventions

Continuous Glucose Monitoring

Condition Hierarchy (Ancestors)

Diabetes MellitusGlucose Metabolism DisordersMetabolic DiseasesNutritional and Metabolic DiseasesEndocrine System Diseases

Intervention Hierarchy (Ancestors)

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

Study Officials

  • Daniel J Cox, PhD

    University of Virginia

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Model Details: All participants will receive the GEM intervention.
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

November 3, 2020

First Posted

November 17, 2020

Study Start

November 1, 2020

Primary Completion

August 1, 2021

Study Completion

September 1, 2021

Last Updated

October 5, 2021

Record last verified: 2021-10

Data Sharing

IPD Sharing
Will not share

Locations