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Coach to Fit Weight Loss Intervention for Individuals With Serious Mental Illness

CoachToFit: Adapted Weight Loss Intervention for Individuals With Serious Mental Illness

Status
Completed
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04560335
Acronym
C2F
Enrollment
257
Registered
2020-09-23
Start date
2021-08-02
Completion date
2026-03-31
Last updated
2026-06-09

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Serious Mental Illness

Keywords

weight loss, mental illness, exercise

Brief summary

This project addresses obesity in the population with SMI by evaluating a weight management program that is not only evidence-based, it is sustainable, transportable, appealing to patients, easy to use, and minimally burdensome to the healthcare system. This effort addresses two HSR&D priority areas: 1) Mental Health: Testing new models of care to improve access, cost, and/or outcomes, and 2) Health Care Informatics: Building the evidence base for ehealth/mhealth tools. Innovation: CoachToFit's use of mobile technology is an important innovation in VA service delivery and its user-centered design involving individuals with SMI was the first of its kind. CoachToFit is enhanced by data visualization in real-time via a web-based dashboard used by VA peer specialists and their supervisor. The Investigators are aware of no other evidence-based mobile platforms to help people with SMI reduce their weight

Detailed description

Between 40% to 60% of individuals with serious mental illness (SMI) are obese. Obesity and physical inactivity result in increased rates of chronic diseases, increased risk of death, and substantial health care costs. Treatment guidelines recommend that individuals with SMI who are overweight should be offered evidence-based weight loss interventions, including psychosocial interventions. The VA's weight management program, MOVE!, is attended by less than 5% of the overweight population and is not adapted to the cognitive needs and patient preferences for the population with SMI. Effective adapted weight management programs are not offered in VA because the programs are time-intensive and require the skills of trained providers who are often in short-supply. CoachToFit can address this gap in care. CoachToFit is a weight management program, adapted for the population with SMI, that includes a smartphone app delivering evidence-based weight management services with weekly telephonic support from a VA peer specialist who acts as a wellness coach. Peer specialists are individuals who draw upon lived experiences with SMI to provide services to others with SMI in clinical settings. CoachToFit was shown to have high rates of acceptability and usability and was efficacious for weight loss in a small sample. VA has an opportunity to address obesity in the population with serious mental illness, currently a substantial gap in care. Significance/Impact: This project addresses obesity in the population with SMI by evaluating a weight management program that is not only evidence-based, it is sustainable, transportable, appealing to patients, easy to use, and minimally burdensome to the healthcare system. This effort addresses two HSR&D priority areas: 1) Mental Health: Testing new models of care to improve access, cost, and/or outcomes, and 2) Health Care Informatics: Building the evidence base for ehealth/mhealth tools. Innovation: CoachToFit's use of mobile technology is an important innovation in VA service delivery and its user-centered design involving individuals with SMI was the first of its kind. CoachToFit is enhanced by data visualization in real-time via a web-based dashboard used by VA peer specialists and their supervisor. The investigators are aware of no other evidence-based mobile platforms to help people with SMI reduce their weight.

Interventions

BEHAVIORALCoach to FIt

CoachToFit: Those randomized to CoachToFit will have the CoachToFit app downloaded to their phone by the peer coach and will work with the coach to initialize the app. Individuals will receive an activity tracker compatible with Android OS and iOS (Amazfit Bit) and a Bluetooth scale (Smart Body scale). Participants will be instructed by the peer to complete at least two CoachToFit modules per week. Modules take about 15 minutes to complete and have embedded knowledge quizzes and end with a choice of three goals to practice over the next week. They will also set up a time for the first 20-minute coaching call, which will then continue weekly.

BEHAVIORALTreatment as Usual

Veterans randomized to the treatment as usual arm will continue to access all services of the VA Pittsburgh, and will participate in three research interviews. After the first meeting, all participants will meet with a peer coach (peer specialists) who will discuss with them the importance of losing weight (using a structured conversation that follows a handout which is provided to the participant). The handout was developed with input from a VA dietitian as well as Veterans and is graphically appealing, with a simple layout, and provides information on diet and activity as well as the local MOVE! schedule

Sponsors

VA Office of Research and Development
Lead SponsorFED

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
HEALTH_SERVICES_RESEARCH
Masking
NONE

Intervention model description

Methodology: The study design includes a randomized controlled trial to test the efficacy of CoachToFit and assess the hypothesized mechanisms of action. This will include enrollment of obese Veterans with SMI from the mental health clinics at one VA medical center (n=256). Individuals will be randomized to CoachToFit or usual care. Those in CoachToFit will have access to the app and coaching for 6 months. Outcomes are assessed at 6- and 12-months. Efficacy outcomes utilize objective measures. The design also includes a multi- stakeholder qualitative post-intervention evaluation guided by the RE-AIM framework to characterize factors that will inform future implementation and maintenance of CoachToFit. This will include interviews with Veterans randomized to CoachToFit (n=30); interviews with staff stakeholders (n=18); a discussion with Veterans in local Veteran groups (n=2 groups; n=11 Veterans), and interviews with national leadership (n=3).

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* chart diagnosis of schizophrenia, schizoaffective disorder, bipolar disorder, or recurrent major depressive disorder with psychosis; * age 18 and over; * BMI \>= 30.0 (obese); and * ownership of a phone running Android OS or iOS (iPhone).

Exclusion criteria

* chart diagnosis of dementia; * history of bariatric surgery; * pregnant and nursing mothers; * patient has a conservator/legally authorized representative who makes their medical decisions; * psychiatric hospitalization during the month prior to enrollment. Additionally, we will follow the American College of Sports Medicine recommendations for health screening and risk stratification in preparation for starting a moderate intensity exercise program to ensure that participants enrolled are capable of safely engaging in the app's recommendations regarding physical activity. Specifically, all potential participants will be given the Physical Activity Readiness Questionnaire (PAR-Q), a screening tool often used in weight management trials. If they endorse symptoms or major signs suggestive of cardiopulmonary disease (i.e., angina, anginal equivalent, dyspnea, syncope, orthopnea, edema, palpitations or claudication), which is a score \>=1 on the PAR-Q, they will need clearance from a VA physician before enrolling.

Design outcomes

Primary

MeasureTime frameDescription
Body Weight. Mean PoundsChange from Baseline to 6 monthsMeasurement of weight (in pounds) will be obtained for all participants using a hospital quality scale. Less pounds is better.
Body Weight. 5% Weight LossBaseline to 6 monthsNumber of Veterans who achieved 5% total weight loss at 6 months
Body Weight. 7% Total Weight LossBaseline to 6 monthsNumber of Veterans who achieved a 7% total weight loss by 6 months
BMIBaseline to 6 monthsChange in mean BMI from baseline to 6 months
6 Minute Walk Testbaseline to 6 monthsHow many meters a person can walk in 6 minutes. More is better

Countries

United States

Contacts

PRINCIPAL_INVESTIGATORMatthew J Chinman, PhD

VA Pittsburgh Healthcare System University Drive Division, Pittsburgh, PA

Participant flow

Recruitment details

We included adult Veterans (age ≥18) who had a chart diagnosis of schizophrenia, schizoaffective disorder, bipolar disorder, or major depressive disorder with or without psychosis; a BMI ≥ 30.0 (obese); owned an Android or iPhone. Exclusion criteria included being pregnant or nursing, inpatient psychiatric hospitalization within ≤30 days, history of bariatric surgery, medical record diagnosis of dementia, or having a conservator/legally authorized representative make their medical decisions.

Pre-assignment details

Peer specialists, staff stakeholders, Veterans in local veteran groups, and/or national leadership were not considered enrolled.

Baseline characteristics

Characteristic
Age, Continuous53.5 years
STANDARD_DEVIATION 13
Diagnosis
Bipolar Disorder - any type
24 Participants
Diagnosis
Major Depressive Disorder without psychosis
101 Participants
Diagnosis
Schizoaffective Disorder - any type
6 Participants
Diagnosis
Schizophrenia Disorder - any type
2 Participants
Physical Activity
High (90, 120, 150+ minutes)
13 Participants
Physical Activity
Low (10, 20, 30 minutes)
124 Participants
Physical Activity
Medium (40, 50, 60 minutes)
28 Participants
Physical Activity
None (0 minutes)
25 Participants
Psychosis17 Participants
Race/Ethnicity, Customized
Asian
1 Participants
Race/Ethnicity, Customized
Black
27 Participants
Race/Ethnicity, Customized
Multiple
3 Participants
Race/Ethnicity, Customized
Unknown
3 Participants
Race/Ethnicity, Customized
White
178 Participants
Region of Enrollment
United States
256 Participants
Sex: Female, Male
Female
38 Participants
Sex: Female, Male
Male
176 Participants
Use of Weight Loss Treatment, past 6 months
GLP-1 medication in the past 6 months
33 Participants
Use of Weight Loss Treatment, past 6 months
MOVE! weight management program in the past 6 months
34 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 1280 / 129
other
Total, other adverse events
0 / 1280 / 129
serious
Total, serious adverse events
0 / 1280 / 129

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jun 10, 2026