CClinicalTrials.gg
CompletedNCT05394844CUTDMUpdated Dec 1, 2025Results posted

Diabetes Education With Real-time Continuous Glucose Monitoring

An interventional study of Dexcom G6 in Diabetes Type 2, sponsored by University of Washington. Completed at 2 sites in United States. Open to participants aged 18 Years to 60 Years. Per ClinicalTrials.gov, last updated 2025-12-01.

Sponsored by University of Washington · Not applicable, Interventional, and Treatment

Phase
Not applicable
Study type
Interventional
Enrollment
120
Allocation
Randomized
Ages
18 Years to 60 Years
Sex
All
01

Study summary

Determine the impact of the Compañeros en Salud (Partners in Health) curriculum in conjunction with RT-CGM on glycemic control in Latinx patients with T2D. Participants will be randomized to receive the Companeros en Salud diabetes self-management education and support (DSMES) intervention with or without RT-CGM

Read the detailed description

The prevalence of type 2 diabetes is increasing especially in the Latinx community and in family members of those already living with diabetes. Diabetes education is a cornerstone of treatment but is often not culturally tailored and there is limited data on benefit of virtual delivery of sessions. Real Time Continuous glucose monitoring is a tool to improve diabetes but is not readily available to those living with type 2 diabetes not on multiple doses of insulin. Furthermore here is little to no data on RT-CGM use in different minority populations. Data is also lacking on if diabetes education for an individual affects the family unit. We hypothesize that culturally tailored Diabetes self-management education using and support (DSMES) using a team approach of health educators and Community health workers will improve glycemic indices. We further hypothesis that RT-CGM coupled to DSMES will enhances glycemic benefit and change nutrition and activity behaviors. This will be a randomized control trial of 100 Latinx participants who will all receive culturally tailored DSMES with or without cycle RT-CGM over 12 weeks. Primary outcome will be mean A1C improvement at 12 and 24 weeks based on attendance of sessions and RT-CGM use. Secondary outcomes will be satisfaction with education and CGM, changes in weight, blood pressure and self-reported nutrition and exercise changes. This study will be the first study to examine how DSMES with and without RT-CGM use improves health outcomes in the Latinx population and their families

02

Conditions studied

  • Diabetes Type 2

Keywords

  • continuous glucose monitoring
  • diabetes education
03

In context

Diabetes Mellitus, Type 2

9,359 studies on the registry are indexed under Diabetes Mellitus, Type 2; 1,318 are open to participants now.

This study's enrollment of 120 is above the median of 80 across 7,525 interventional studies indexed under Diabetes Mellitus, Type 2.

Browse Diabetes Mellitus, Type 2 studies →

Lead sponsor

University of Washington is the lead sponsor of 1,397 studies on the registry; 225 are open to participants now.

Of its 154 completed or terminated interventional studies of FDA-regulated products, 132 (86%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 60 Years
Sexes eligible
All
Accepts healthy volunteers
No

Eligibility criteria

Inclusion Criteria:

  1. Participants adults 18-60 years old
  2. Self-identify as Latinx
  3. Have had a clinical diagnosis of T2D within the last 15 years with or without medication use
  4. Have an A1C ≥8.0% at screening
  5. Own or have routine access to a personal device that allows attending educational sessions virtually
  6. Be physically and cognitively able to use the home CGM monitoring device
  7. Be willing and able to follow all other study procedures

Exclusion Criteria

  • Exclusion Criteria.

    1. Duration of diabetes >15 years
    2. Type 1 diabetes or latent autoimmune diabetes
    3. Current use of prandial insulin
    4. Any condition that prevents walking at least 1 city block
    5. History of serious mental illness other than adequately treated depression
    6. History of bariatric surgery or current participation in a weight management program
    7. Current diagnosis of cancer or other serious or systemic medical condition
    8. Significant active cardio- or cerebrovascular disease after review by PI
    9. Pregnancy
    10. know history x of of hypoglycemia unawareness
    11. Unable to read, understand, and sign the Informed Consent Form (ICF) and if applicable, an Authorization to Use and Disclose Protected Health Information form (consistent with Health Insurance Portability and Accountability Act of 1996 [HIPAA] legislation), communicate with the investigator, and understand and comply with protocol requirements
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Double (Investigator, Outcomes assessor)
Enrollment
120 participants (actual)

Study arms

  • Active comparator
    CGM with DM education

    if you are in the intervention group you will received culturally tailored diabetes education and use a Real Time CGM device to see your glucose over 12 weeks. Both group will completed blinded CGM at the beginning of the study and at 24 weeks

    Device: Dexcom G6

  • No intervention
    Education only

    If you are in the control group your will receive culturally tailored diabetes education and wear a blinded prior to education and after education sessions complete and 24 weeks

Interventions

  • DeviceDexcom G6

    Dexcom G6 CGM device

    Also known as: Compañeros en Salud (Partners in Health) curriculum

06

What researchers measure

Primary outcomes

  1. Hemoglobin A1C

    Percent change in A1C

    Time frame: change at 12 weeks

Secondary outcomes

  1. CGM Mean Glucose

    mean glucose at 12 weeks

    Time frame: 12 weeks

  2. CGM Percentage of Time in Range

    percentage of time in range( tir)

    Time frame: 12 WEEKS

  3. Percent Change in BMI

    percent change BMI ((kg/m2)

    Time frame: change at 12 WEEKS

  4. Blood Pressure Systolic

    change in blood pressure

    Time frame: change at 12 WEEKS

  5. Physical Activity Questionnaire IPAQ

    increase or decrease in days of vigorous activity - one question in IPAQ.

    Time frame: 12 weeks

  6. International Physical Activity Prevalence Study SELF-ADMINISTERED ENVIRONMENTAL MODULE(PANES):

    Question Neighborhood Questionnaire/Neighborhood Safety questions 1 1\. In general, how do you feel about your neighborhood? Do you feel it's a very bad, a fairly bad, a fairly good, or a very good place to live? reported number that felt it was very bad or fairly bad

    Time frame: baseline

  7. PHQ9 Depression Score- Those With PHQ9>15

    Scores less than 5 almost always signified the absence of a depressive disorder; scores of 5 to 9 predominantly represented patients with either no depression or subthreshold (i.e., other) depression; scores of 10 to 14 represented a spectrum of patients; and scores of 15 or greater usually indicated major depression.

    Time frame: 12 weeks

  8. PAID-5 Problem Areas in Diabetes Those With Score > 8

    the scale gives a total score from 0 to 20. A score of 8 and above indicates a high level of diabetes-related distress

    Time frame: score at 12 weeks

  9. Self-care for Diabetes (SDSCA) Number of Days Reporting Self Care

    The Summary of Diabetes Self-Care Activities asks patient about diabetes self-care activities during the past 7 days and for each activity they can answer 0 days out of the week to a max of 7 days out of the week with higher score indicating more days doing this self -care activity and positive results

    Time frame: composite score at 12 weeks

  10. Modified Joslin Diabetes Center CGM Experience

    Experiences of CGM @Joslin 2009 scale range from 5 (strongly agree) to 1 ( strongly disagree) statements/questions that measured the amount of satisfaction that was derived from use of continuous glucose monitoring. Higher score meant perceived benefit/ better outcome

    Time frame: 12 weeks

  11. Perception of Behavior Modification After Real-Time- CGM Use

    Did use of Real-Time- cgm in intervention group contribute to a healthier lifestyle ? yes

    Time frame: at 12 weeks

  12. Household/Family Member Perception of Lifestyle Changes

    household members perception of lifestyle changes after family member participated in education with CGM. Overall, do you feel Continuous Glucose Monitoring contributed to your making changes for a healthier lifestyle? yes

    Time frame: 12 weeks

  13. Pedometer

    average number of steps per day

    Time frame: at 12 weeks

  14. Self-Efficacy for Diabetes

    the scale is 1-10 and the score is the mean of the eight items. If more than two items are missing, do not score the scale. Higher number indicates higher self-efficacy

    Time frame: score at 12 weeks

  15. Food Insecurity Short Form 6 Question Composite With Score Reported as a Composite: High or Marginal Food Security, Low Food Security, Very Low Food Security

    number of participants that had high or marginal food security based on 6 questions (geared to assess access or lack of access to food) composite score

    Time frame: baseline

07

Results

Posted Dec 1, 2025

Participant flow

Participant flow — Overall Study
MilestoneCGM With DM EducationEducation Only
Started6159
Completed4540
Not completed1619

Outcome measures

PrimaryHemoglobin A1C

Percent change in A1C

Time frame:
change at 12 weeks
Reported as:
Mean · percent change in A1C
Hemoglobin A1C
percent change in A1CCGM With DM EducationEducation Only
Hemoglobin A1C-2.3 (-3.1 to -1.5)-1.5 (-2.3 to -0.6)
SecondaryCGM Mean Glucose

mean glucose at 12 weeks

Time frame:
12 weeks
Reported as:
Mean · mg/dl
CGM Mean Glucose
mg/dlCGM With DM EducationEducation Only
CGM Mean Glucose208.4 ± 62.5239.6 ± 84.4
SecondaryCGM Percentage of Time in Range

percentage of time in range( tir)

Time frame:
12 WEEKS
Reported as:
Mean · percentage of tir
CGM Percentage of Time in Range
percentage of tirCGM With DM EducationEducation Only
CGM Percentage of Time in Range13.2 (1.3 to 25.2)6.2 (-6.7 to 19.1)
SecondaryPercent Change in BMI

percent change BMI ((kg/m2)

Time frame:
change at 12 WEEKS
Reported as:
Mean · % bmi CHANGE
Percent Change in BMI
% bmi CHANGECGM With DM EducationEducation Only
Percent Change in BMI-1 (-6.6 to 8.6)-2.4 (-10 to 5.3)
SecondaryBlood Pressure Systolic

change in blood pressure

Time frame:
change at 12 WEEKS
Reported as:
Mean · mmHg
Blood Pressure Systolic
mmHgCGM With DM EducationEducation Only
Blood Pressure Systolic-2.5 (-9.3 to 4.4)-0.3 (-7.2 to 6.7)
SecondaryPhysical Activity Questionnaire IPAQ

increase or decrease in days of vigorous activity - one question in IPAQ.

Time frame:
12 weeks
Reported as:
Mean · number of days
Physical Activity Questionnaire IPAQ
number of daysCGM With DM EducationEducation Only
Physical Activity Questionnaire IPAQ1 ± 3.80.14 ± 1.45
SecondaryInternational Physical Activity Prevalence Study SELF-ADMINISTERED ENVIRONMENTAL MODULE(PANES):

Question Neighborhood Questionnaire/Neighborhood Safety questions 1 1\. In general, how do you feel about your neighborhood? Do you feel it's a very bad, a fairly bad, a fairly good, or a very good place to live? reported number that felt it was very bad or fairly bad

Time frame:
baseline
Reported as:
Count of participants · Participants
International Physical Activity Prevalence Study SELF-ADMINISTERED ENVIRONMENTAL MODULE(PANES):
ParticipantsCGM With DM EducationEducation Only
International Physical Activity Prevalence Study SELF-ADMINISTERED ENVIRONMENTAL MODULE(PANES):39
SecondaryPHQ9 Depression Score- Those With PHQ9>15

Scores less than 5 almost always signified the absence of a depressive disorder; scores of 5 to 9 predominantly represented patients with either no depression or subthreshold (i.e., other) depression; scores of 10 to 14 represented a spectrum of patients; and scores of 15 or greater usually indicated major depression.

Time frame:
12 weeks
Reported as:
Count of participants · Participants
PHQ9 Depression Score- Those With PHQ9>15
ParticipantsCGM With DM EducationEducation Only
PHQ9 Depression Score- Those With PHQ9>1557
SecondaryPAID-5 Problem Areas in Diabetes Those With Score > 8

the scale gives a total score from 0 to 20. A score of 8 and above indicates a high level of diabetes-related distress

Time frame:
score at 12 weeks
Reported as:
Count of participants · Participants
PAID-5 Problem Areas in Diabetes Those With Score > 8
ParticipantsCGM With DM EducationEducation Only
PAID-5 Problem Areas in Diabetes Those With Score > 81311
SecondarySelf-care for Diabetes (SDSCA) Number of Days Reporting Self Care

The Summary of Diabetes Self-Care Activities asks patient about diabetes self-care activities during the past 7 days and for each activity they can answer 0 days out of the week to a max of 7 days out of the week with higher score indicating more days doing this self -care activity and positive results

Time frame:
composite score at 12 weeks
Reported as:
Mean · days
Self-care for Diabetes (SDSCA) Number of Days Reporting Self Care
daysCGM With DM EducationEducation Only
Self-care for Diabetes (SDSCA) Number of Days Reporting Self Care5.3 ± 2.043.3 ± 2.18
SecondaryModified Joslin Diabetes Center CGM Experience

Experiences of CGM @Joslin 2009 scale range from 5 (strongly agree) to 1 ( strongly disagree) statements/questions that measured the amount of satisfaction that was derived from use of continuous glucose monitoring. Higher score meant perceived benefit/ better outcome

Time frame:
12 weeks
Reported as:
Mean · score on a scale
Modified Joslin Diabetes Center CGM Experience
score on a scaleCGM With DM Education
Modified Joslin Diabetes Center CGM Experience4.33 ± 0.55
SecondaryPerception of Behavior Modification After Real-Time- CGM Use

Did use of Real-Time- cgm in intervention group contribute to a healthier lifestyle ? yes

Time frame:
at 12 weeks
Reported as:
Count of participants · Participants
Perception of Behavior Modification After Real-Time- CGM Use
ParticipantsReal Time- CGM With DM Education
Perception of Behavior Modification After Real-Time- CGM Use36
SecondaryHousehold/Family Member Perception of Lifestyle Changes

household members perception of lifestyle changes after family member participated in education with CGM. Overall, do you feel Continuous Glucose Monitoring contributed to your making changes for a healthier lifestyle? yes

Time frame:
12 weeks
Reported as:
Count of participants · Participants
Household/Family Member Perception of Lifestyle Changes
ParticipantsCGM With DM Education Household Member
Household/Family Member Perception of Lifestyle Changes13
SecondaryPedometer

average number of steps per day

Time frame:
at 12 weeks
Reported as:
Mean · number of steps per day
Pedometer
number of steps per dayCGM With DM EducationEducation Only
Pedometer6931 ± 36804703 ± 1567
SecondarySelf-Efficacy for Diabetes

the scale is 1-10 and the score is the mean of the eight items. If more than two items are missing, do not score the scale. Higher number indicates higher self-efficacy

Time frame:
score at 12 weeks
Reported as:
Mean · units on a scale
Self-Efficacy for Diabetes
units on a scaleCGM With DM EducationEducation Only
Self-Efficacy for Diabetes8.5 ± 1.47.7 ± 1.6
SecondaryFood Insecurity Short Form 6 Question Composite With Score Reported as a Composite: High or Marginal Food Security, Low Food Security, Very Low Food Security

number of participants that had high or marginal food security based on 6 questions (geared to assess access or lack of access to food) composite score

Time frame:
baseline
Reported as:
Count of participants · Participants
Food Insecurity Short Form 6 Question Composite With Score Reported as a Composite: High or Marginal Food Security, Low Food Security, Very Low Food Security
ParticipantsCGM With DM EducationEducation Only
Food Insecurity Short Form 6 Question Composite With Score Reported as a Composite: High or Marginal Food Security, Low Food Security, Very Low Food Security3037

Adverse events

Collected over 24 weeks. Non-serious events are listed at a 5% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
CGM With DM Education0/61 (0%)0/61 (0%)0/61 (0%)
Education Only0/59 (0%)0/59 (0%)0/59 (0%)

Baseline characteristics

Age, Continuous
Age, Continuous(years)CGM With DM EducationEducation OnlyTotal
Mean46 ± 947 ± 746 ± 8
Sex: Female, Male
Sex: Female, Male(Participants)CGM With DM EducationEducation OnlyTotal
Female292453
Male323567
Ethnicity (NIH/OMB)
Ethnicity (NIH/OMB)(Participants)CGM With DM EducationEducation OnlyTotal
Hispanic or Latino6159120
Not Hispanic or Latino000
Unknown or Not Reported000
Region of Enrollment
Region of Enrollment(participants)CGM With DM EducationEducation OnlyTotal
United States6159120
income less than 49,999
income less than 49,999(participants)CGM With DM EducationEducation OnlyTotal
Number353974
preferred primary language spanish
preferred primary language spanish(participants)CGM With DM EducationEducation OnlyTotal
Number5958117
education highschool or less
education highschool or less(participants)CGM With DM EducationEducation OnlyTotal
Number5554109
insurance- self pay
insurance- self pay(Participants)CGM With DM EducationEducation OnlyTotal
Count of participants443680
08

Study locations

2 sites
  • University of Washington Diabetes Institute
    Seattle, Washington 98109, United States
  • University of Washington
    Seattle, Washington 98109, United States
09

References and documents

Publications

  • Ehrhardt N, Cedeno B, Montour L, Sinclair K, Ferguson G, Berberian P, Comstock B, Wright L. Effectiveness of a culturally tailored diabetes education curriculum with real-time continuous glucose monitoring in a Latinx population with type 2 diabetes: the CUT-DM with CGM for Latinx randomised controlled trial study protocol. BMJ Open. 2023 Dec 28;13(12):e082005. doi: 10.1136/bmjopen-2023-082005. PubMed 38154895 ↗

Study documents

  • Protocol and statistical analysis plan · Feb 10, 2023
  • Informed consent form · Feb 22, 2023

Documents are hosted by the registry — open the source record to download them.

Individual participant data

Plan to share: No

10

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Dec 1, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
11

Registry details

Key details

Study ID
NCT05394844
Lead sponsor
University of Washington
Collaborators
American Diabetes Association, Washington State University, Sea Mar Community Health Centers, DexCom, Inc.
Responsible party
Nicole Ehrhardt (Assistant Professor of Medicine, University of Washington) — Principal investigator
First posted
May 27, 2022
Start date
Nov 11, 2022
Primary completion
Jul 30, 2024
Completion
Nov 30, 2024
Results posted
Dec 1, 2025
Last update
Dec 1, 2025

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
Yes
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Nov 2025. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Start the discussion