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NCT Number: NCT07404189

Augmenting Primary Care-Based Obesity Management With the Nutu™ Digital Health Platform

This study evaluates the acceptability and clinical effectiveness of integrating the Nutu™ digital health platform into a comprehensive primary care-based behavioral obesity treatment program using a Zelen randomized controlled trial design.

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

UAB Hospital - Highlands

Birmingham, Alabama, 35205, United States

Location contact

Caroline Cohen, PhD

SUB_INVESTIGATOR

Drew Sayer, PhD

CONTACT

[email protected]

205-354-8950

Drew Sayer, PhD

PRINCIPAL_INVESTIGATOR

Katherine Ellison, PhD

SUB_INVESTIGATOR

Lauren Fowler, PhD

SUB_INVESTIGATOR

About this study

This pragmatic randomized clinical trial is conducted within the established FLOW program, a 12-month multidisciplinary behavioral obesity treatment aligned with USPSTF recommendations. Patients initiating FLOW are randomized to standard care or FLOW augmented with an offer of Nutu™, an AI-powered digital health platform providing behavioral support and self-monitoring tools. Outcomes are collected quarterly over 12 months using routinely collected clinical data.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • All patients enrolled in the FLOW clinical program are eligible.

Exclusion criteria

  • Not a patient of the FLOW clinical program at UAB.

Treatment and study plan

FLOW Program

Behavioral

Participants receive the 12-month FLOW program including nutrition counseling, physician visits, and behavioral health support.

Nutu™ Offer

Behavioral

FLOW patients will receive an offer to add the Nutu™ digital health platform to their FLOW treatment plan, which can be accepted or declined. Nutu™ includes features such as AI-powered digital health coaching and food/exercise tracking.

Primary outcomes

  1. Body Weight

    Time frame: Baseline to 12 months

    Difference in body weight change between groups

Secondary outcomes

  1. Nutu™ Acceptance

    Time frame: Baseline

    Percentage of patients who accept Nutu™ when offered

  2. Nutu™ Engagement

    Time frame: Baseline through 12 months

    Number of patient log-ins to the Nutu™ app among those accepting Nutu™

Other outcomes

  1. Waist Circumference

    Time frame: Baseline to 12 months

    Difference in waist circumference change between groups

  2. Body Fat Percentage

    Time frame: Baseline to 12 months

    Difference in body fat percentage change between groups

  3. Systolic Blood Pressure

    Time frame: Baseline to 12 months

    Difference in change in systolic blood pressure between groups

  4. Diastolic Blood Pressure

    Time frame: Baseline to 12 months

    Difference in change in diastolic blood pressure between groups

  5. LDL Cholesterol

    Time frame: Baseline to 12 months

    Difference in change in LDL Cholesterol between groups

  6. Total Cholesterol

    Time frame: Baseline to 12 months

    Difference in change in total cholesterol between groups

  7. Vertical Jump Height

    Time frame: Baseline to 12 months

    Difference in change in vertical jump height between groups

  8. Grip Strength

    Time frame: Baseline to 12 months

    Difference in change in hand grip strength between groups

  9. Mindfulness

    Time frame: Baseline to 12 months

    Short-Form Five Facet Mindfulness Questionnaire. Difference in change in mindfulness between groups. Scores range from 20 to 100 with higher scores indicating greater mindfulness (beneficial outcome).

  10. Resilience

    Time frame: Baseline to 12 months

    Brief Resilience Scale. Difference in change in resilience between groups. Values range from 1 to 5 with 1.00 - 2.99 indicating low resilience, 3.00 - 4.30 indicating normal/average resilience, and 4.31 - 5.00 indicating high resilience.

  11. Quality of Life

    Time frame: Baseline to 12 months

    Quality of Life Scale. Difference in change in quality of life between groups. Scores range from 16 to 112 with higher scores indicating a higher, better perceived quality of life.

  12. Happiness

    Time frame: Baseline to 12 months

    Oxford Happiness Scale. Difference in changes in happiness between groups

  13. Hemoglobin A1c

    Time frame: Baseline to 12 months

    Difference in change in hemoglobin A1c between groups

  14. HDL Cholesterol

    Time frame: Baseline to 12 months

    Difference in change in HDL cholesterol between groups

  15. Triglycerides

    Time frame: Baseline to 12 months

    Difference in change in triglycerides between groups

Study contacts

Contact information is provided by the study sponsor or research team.

Drew Sayer, PhD

CONTACT

[email protected]

205-354-8950

Sponsors and collaborators

Lead sponsor

University of Alabama at Birmingham

Other

Collaborators

  • Willow Laboratories, Inc.

Registry information

Official study title

Evaluation of the Acceptability and Clinical Effectiveness of Augmenting Comprehensive Primary Care-Based Obesity Management With the Nutu™ Digital Health Platform

Important dates

Study start
2026
Primary completion
2028
Study completion
2028
First posted
Feb 11, 2026
Registry last updated
Jun 25, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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