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Feasibility Trial of a Problem-Solving Weight Loss Mobile Application

University of Connecticut logo

University of Connecticut

Status

Completed

Conditions

Weight Loss
Obesity

Treatments

Behavioral: Diabetes Prevention Program Lifestyle Intervention

Study type

Interventional

Funder types

Other

Identifiers

NCT02192905
H17-237
1R21DK098556-01 (U.S. NIH Grant/Contract)

Details and patient eligibility

About

The purpose of this research was to develop and test the feasibility of Habit, a weight loss mobile application that was designed to coach patients through their weight loss challenges. In a pilot trial in 43 obese participants, investigators tested the feasibility of the Smart Coach mobile application when paired with a shortened online-delivered (8-week) behavioral weight loss intervention. Feasibility outcomes included frequency and duration of usage of the mobile app and each feature, recruitment, and retention. Post-intervention focus groups discussed the feasibility and acceptability of the intervention. The investigators also performed exploratory analyses comparing conditions on problem solving skills and weight loss at 8 and 16 weeks, which will inform a subsequent randomized controlled efficacy trial.

Full description

The investigators developed and tested the feasibility of Habit, a weight loss mobile app that includes common features such as self-monitoring, goal setting, and a social network, but even more importantly, an avatar-facilitated, idiographic problem solving feature that processes information intelligently to help patients identify solutions to their weight loss problems. In a pilot trial in 43 obese participants, investigators tested the feasibility of the Habit mobile application when paired with a shortened (8 week) behavioral weight loss intervention. Feasibility outcomes included frequency and duration of usage of the mobile app and each feature, recruitment, and retention. The investigators also performed analyses on problem solving skills and weight loss at 8 and 16 weeks, which will inform a subsequent randomized controlled efficacy trial. Data will support an efficacy trial of a Habit-assisted brief behavioral weight loss intervention relative to a brief behavioral weight loss intervention alone with 1 year follow-up. The investigators overarching goal is to develop mobile technology that reduces the intensity of lifestyle interventions as far as possible while preserving weight loss outcomes, to ultimately broaden reach.

Enrollment

45 patients

Sex

All

Ages

18+ years old

Volunteers

Accepts Healthy Volunteers

Inclusion and exclusion criteria

Inclusion: Participants must 1) have a BMI between 30 and 45, 2) currently uses a smartphone with Android software, 3) have connectivity to the internet at home and work, 4) have PCP written clearance, and 5) age 18 or older.

Exclusion:

  1. Ages <18
  2. BMI <30 and >45
  3. Does not currently use a smart phone with Android software version 4.4 or later
  4. Does not use a smartphone supported by the app (will assess model and type of phone for each participant)
  5. Does not have connectivity to the internet at home and work; or wifi access at home
  6. Does not use smart phone regularly throughout the day
  7. Has not used Android smartphone for at least a year
  8. Has not used a weight loss mobile app in the last 6 months
  9. Does not have a Facebook account, uses it infrequently, or does not actively engage on Facebook
  10. Does not have a gmail account or is unwilling to create one
  11. Does not have PCP written clearance
  12. Bipolar disorder, substance abuse, psychosis, bulimia, or severe depression
  13. Pregnant or lactating
  14. Had bariatric surgery
  15. Medication affecting weight
  16. Adults unwilling to provide consent
  17. Prisoners
  18. Unable to read or understand English
  19. Has type 1 or 2 diabetes
  20. Have concerns about being audiotaped
  21. Unable to walk unaided
  22. Has any medical condition that precludes lifestyle changes

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

45 participants in 1 patient group

Behavioral Weight Loss + Habit
Experimental group
Description:
Participants will receive 8 week of an online-delivered weight loss intervention adapted from the Diabetes Prevention Program Lifestyle Intervention and will use the Habit mobile app during the study.
Treatment:
Behavioral: Diabetes Prevention Program Lifestyle Intervention

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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