Obesity Clinical Trial - Phone Coaching & Internet-delivered Weight Loss

Status Completed

Clinical Trial Summary

The purpose of this study is to examine whether adding phone coaching to an Internet-based weight loss program can improve weight loss outcomes at 4 months and 1 year. All individuals will receive a 4-month, Internet-delivered weight loss program followed by an 8-month Internet-delivered weight loss maintenance program. Some individuals will also be selected to receive either 3 weeks or 12 weeks of phone coaching. Assessments of weight, diet, physical activity, and psychosocial factors will occur at baseline, 4 months, and 1 year.

Clinical Trial Description

All individuals enrolled in this study will receive a 4-month Internet-based weight loss program followed by an 8-month Internet-based weight loss maintenance program. During the first 4 months, each week individuals will be asked to view a 10-15-minute multi-media lesson (one per week). These lessons focus on behavioral principles for changing diet and physical activity behaviors. Participants are also given weight loss, calorie intake, and physical activity goals. They are taught how to self-monitor this information and are instructed to submit it weekly on the study website. Automated, weekly individualized feedback is provided. Following the 4-month weight loss program participants will receive an 8-month weight loss maintenance program. During this time, they will be asked to view monthly video lessons which focus on strategies for successful WL maintenance and instructed to continue to self-monitor weight, calorie intake, and physical activity minutes on the study website for one week per month. Automated, monthly feedback is provided. In addition to the Internet program described above, some individuals enrolled in this study will be selected to receive phone coaching. Those selected for 'brief' phone coaching will be asked to complete 3 phone calls with a coach between weeks 5-8 of the study and those selected to receive 'extended' phone coaching will be asked to complete 12 phone calls with a coach between weeks 5-16. The first coaching call will be approximately 45 minutes in duration and all subsequent calls will be approximately 15 minutes in duration. The coach will assist participants in developing a meal plan, problem solving around current barriers, and goal setting. Upon completion of all coaching calls participants will have no additional interaction with the coach, but will remain enrolled in the Internet program. Assessments will occur at baseline, 4, and 12 months. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03867981
Study type	Interventional
Source	The Miriam Hospital
Contact
Status	Completed
Phase	N/A
Start date	March 6, 2019
Completion date	May 1, 2023

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Phone Coaching and Internet-delivered Weight Loss

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms