Obesity Clinical Trial - Assessing the Effectiveness of a Weight

Status Completed

Clinical Trial Summary

This study is a randomized pilot study to assess the applicability of the Weight Watchers model for lifestyle modification to the primary prevention of type 2 diabetes. The approach developed by Weight Watchers to achieve weight loss is based on similar nutritional principals and techniques used in the Diabetes Prevention Program (DPP) lifestyle intervention; monitoring food intake, exercising calorie control, setting modest weight loss goals and using physical activity.

Clinical Trial Description

In the proposed study, the standard Weight Watchers program will serve as the base curriculum. Persons with increased risk for developing type 2 diabetes will be exposed to an initial "orientation session" designed to frame the rationale for participation in the program and to encourage attendance to a core series of sessions. This orientation session will reinforce the pre-diabetes status of participants and present the rationale for lifestyle modification as a means to reduce diabetes risk. In addition, this session will highlight the recommended sessions and topics that are needed to help reduce risk. In many respects it mirrors the curriculum content used in the DPP with regards to themes and specific topics. There are significant differences, however, between the two approaches that warrant investigation. Weight Watchers uses a point system to help users select appropriate foods. This system is less focused on fat gram control as a central theme than was the case with the DPP. More importantly, it uses an "open visit" system in which users get a core set of materials for home review that is then reviewed in facilitated group sessions. In this regard, the group session content is not configured as a sequential series of sessions delivered in a specific order, as was the case with the DPP. Moreover, participants can rejoin groups at any time that they choose. Weight Watchers also provides a sophisticated set of support materials online, using both phone apps (to help users track food consumption and "points" used) and a website program. The open attendance feature and the availability of online support should, in theory, facilitate long-term adherence. ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Prevention

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02000024
Study type	Interventional
Source	Indiana University
Contact
Status	Completed
Phase	N/A
Start date	December 2011
Completion date	March 2016

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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.

Assessing the Effectiveness of a Weight Watchers-based Lifestyle Intervention for the Primary Prevention of Type 2 Diabetes

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms