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Clinical Trial Details — Status: Enrolling by invitation

Administrative data

NCT number NCT03488212
Other study ID # R18DK114715
Secondary ID R18DK114715
Status Enrolling by invitation
Phase N/A
First received
Last updated
Start date May 31, 2018
Est. completion date April 30, 2021

Study information

Verified date February 2020
Source The Miriam Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Behavioral obesity treatment produces clinically significant weight loss; for the greatest impact, it should be made available in the primary care setting where it can reach the many patients with overweight/obesity. The investigators developed a 3-month automated online behavioral weight loss program, Rx Weight Loss (RxWL), and showed that it produces clinically significant weight losses among primary care patients. The investigators' early efforts at pragmatic implementation of RxWL have been promising, and have shed light on challenges associated with implementation, and the need to study longer-term effectiveness. The investigators will therefore conduct a pragmatic study to improve the implementation and effectiveness of this behavioral obesity intervention delivered in routine and representative healthcare settings. The investigators are partnering with the Rhode Island Primary Care Physicians Corporation (RIPCPC), a large primary care network of 58 practices with 100 physicians and 16 nurse care managers. Using the framework for Effectiveness-Implementation Hybrid Designs, the investigators will simultaneously target effectiveness and implementation to maximize the public health impact of the research. Half of the 16 nurse care managers, and the practices they serve, will be randomized to either Basic Implementation (alerts generated using the electronic medical record [EMR] to direct eligible patients to RxWL), or to the Enhanced Implementation (alerts, clinician skills training to motivate and support weight loss, clinician dashboard with reports on patient progress and tools to facilitate patient engagement and behavior change). The investigators will test the hypothesis that the Enhanced Implementation will increase the proportion of patients directed to, enrolling, and completing the weight loss program. Because maintenance of weight loss is a critical problem, this project will also involve randomization of 600 patients with overweight/obesity and type 2 diabetes, hypertension, and/or hypercholesterolemia to the 3 month RxWL intervention followed by one of three maintenance conditions: (a) Control- 9 monthly online education sessions; (b) Monthly Lessons and Feedback- 9 monthly online video lessons teaching self-regulation with automated feedback on the self-monitoring record; (c) Refresher Campaigns- 9 monthly on-line video sessions, teaching self-regulation and providing two 4-week courses with novel strategies and behavioral challenges to improve long-term outcomes. The investigators will test the hypothesis that 12-month weight losses are better with Refresher Campaigns than Monthly Lessons and Feedback, and both are better than Control. Secondary outcomes include changes in weight, CVD risk factors, and medication use over a full 24 months. The project is significant and innovative because: it uses an empirically validated approach to obesity treatment that is integrated into the primary care setting, leveraging existing staff and EMR capabilities; it has a dual focus on improving effectiveness and implementation; it has a pragmatic design in partnership with a large primary care network that treats a diverse patient population; and it has potential to it provides a scalable, sustainable approach that can serve as a model for broader dissemination of obesity treatment intervention.


Recruitment information / eligibility

Status Enrolling by invitation
Enrollment 600
Est. completion date April 30, 2021
Est. primary completion date April 30, 2021
Accepts healthy volunteers No
Gender All
Age group 18 Years to 70 Years
Eligibility Inclusion Criteria:

- Body mass index (BMI) between 25-45 kg/meters-squared

- one or more cardiovascular risk factor (type 2 diabetes, hypercholesterolemia, or hypertension)

Exclusion Criteria:

- currently in another active weight loss program

- taking weight loss medication

- currently pregnant, lactating

- <6 months post-partum

- plan to become pregnant during the next 12 months

- a medical condition that would affect the safety of participating in unsupervised physical activity

- inability to walk 2 blocks without stopping

Study Design


Related Conditions & MeSH terms


Intervention

Behavioral:
Training to Identify Eligible Patients and Direct them to Online Obesity Treatment Program
Primary care clinic staff are trained to identify patients who meet study inclusion and exclusion criteria. They are then trained to provide patients with the information necessary to enroll in the study and access the online behavioral obesity treatment.
Training to Motivate and Support Patients' Weight Loss
Primary care clinic staff are trained in psychological and behavioral strategies for: talking to patients about weight and weight loss in a way that patients find acceptable and helpful, increasing motivation for weight loss, overcoming common barriers to weight loss, and persevering with a weight loss attempt. They are trained in strategies to provide this support by telephone in addition to during clinic visits.
Online Behavioral Weight Loss Intervention
For 3 months, participants receive: a weekly online lessons for training in behavioral skills for losing weight; online self-monitoring of daily weight, diet, and physical activity; weekly feedback on the self-monitoring record.
Control Intervention for Weight Loss Maintenance and Weight Gain Prevention
After completing the 3-month Online Behavioral Weight Loss Intervention, participants receive 9 months of: monthly online newsletters with educational information pertaining to healthy weight, diet, and physical activity habits.
Monthly Lessons and Feedback Intervention for Weight Loss Maintenance and Weight Gain Prevention
After completing the 3-month Online Behavioral Weight Loss Intervention, participants receive 9 months of: monthly online lessons for training in behavioral skills for maintaining weight loss and preventing weight gain; online self-monitoring of daily weight, diet, and physical activity; monthly feedback on the self-monitoring record.
Refresher Courses for Weight Loss Maintenance and Weight Gain Prevention
After completing the 3-month Online Behavioral Weight Loss Intervention, participants receive two month-long refresher courses with weekly online lessons for training in behavioral skills for maintaining weight loss and preventing weight gain; online self-monitoring of daily weight, diet, and physical activity; weekly feedback on the self-monitoring record; weekly challenges focuses on specific behavior change and weight loss goals.

Locations

Country Name City State
United States Weight Control and Diabetes Resarch Center Providence Rhode Island

Sponsors (2)

Lead Sponsor Collaborator
The Miriam Hospital National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Change in Weight 12 months after study enrollment
Secondary Change in Weight 24 months after study enrollment
Secondary Proportion of Patients Achieving a Weight Loss of =5% of Initial Body Weight 12 and 24 months after study enrollment
Secondary Patient Satisfaction with the Treatment Program Using a questionnaire developed for this study, patients are asked to rate their overall satisfaction with the treatment program, specific components of the treatment program, and the likelihood that they would recommend the program to family and friends, on a 5-point Likert scale ranging from 1 (Low) to 5 (High). 3 and 12 months after study enrollment
Secondary Provider Satisfaction with the Treatment Program Using a questionnaire developed for this study, providers are asked to rate their overall satisfaction with the treatment program, and specific components of the treatment program, on a 5-point Likert scale ranging from 1 (Low) to 5 (High). 12 months after study enrollment
Secondary Proportion of Patients Deemed Eligible by the Electronic Medical Record Who are Directed to the Online Treatment Program The proportion of patients who approached by clinic staff for potential participation in the study, out of the patients who are deemed potentially eligible in reports generated using the electronic medical record. 24 months after study initiation
Secondary Proportion of Patients That Enroll After Being Directed to the Online Treatment Program The proportion of patients who enroll in the study out of the patients who are approached by clinic staff for potential participation in the study. 24 months after study initiation
Secondary Proportion of Enrolled Patients who Complete the Online Treatment Program The proportion of patients who complete the initial 3-month weight loss treatment and following 9-month weight loss maintenance and weight gain prevention program, out of those that enroll. 24 months after study initiation
Secondary Clinician Contact with Patients Directed to the Online Treatment Program Number and type of clinician contact with patients (e.g., clinic visits, phone calls). 24 months after study initiation
Secondary Patient Engagement and Adherence to the Online Intervention. The online treatment platform automatically records all aspects of use including logins, lessons viewed, and self-monitoring records submitted. 12 months after study enrollment
Secondary Clinician Engagement with the Online Treatment Platform Frequency and type of use (e.g., viewing patients progress metrics) of the online platform for tracking patient progress in the online treatment. 24 months after study initiation
Secondary Change in Low-density Lipoprotein (mg/dL) 12 and 24 months after study enrollment
Secondary Change in High-density Lipoprotein (mg/dL) 12 and 24 months after study enrollment
Secondary Change in Triglycerides (mg/dL) 12 and 24 months after study enrollment
Secondary Change in Blood Glucose (mg/dL) 12 and 24 months after study enrollment
Secondary Change in Glycated Haemoglobin (HbA1c) 12 and 24 months after study enrollment
Secondary Change in Systolic Blood Pressure (mmHG) 12 and 24 months after study enrollment
Secondary Change in Diastolic Blood Pressure (mmHG) 12 and 24 months after study enrollment
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