Vital Study

Study Type


Study Purpose

The purpose of the Vital research study is to evaluate the effect of the WW (formerly known as Weight Watchers) program on blood sugar control.

About the Study

Eligible participants will undergo 1-2 baseline assessments that will last approximately 60 minutes and be conducted at Pennington Biomedical Research Center.

Upon completion of baseline assessments, eligible participants will receive a voucher code that provides 6 months of access to the WW program and instructions for redeeming the code. The program will include access to weekly Virtual Workshops and the WW App.

Workshops, led by one WW Coach and one WW Guide will remain consistent across 24 weeks. Each Workshop will last 30-60 minutes and will include a new topic each week related to building healthy habits, behavioral skills to support behavior change, check-ins to discuss the previous week, and group discussion on the week’s topic.

Follow up assessments will occur at 12 weeks and 24 weeks.

Study Design

Number of Visits:

  • 1-2 screening visits
  • 3 study visits


  • Medical history
  • Height and weight
  • Waist circumference
  • Vital signs (pulse and blood pressure, etc.)
  • Blood draw
  • Self-report measures

Study Qualifications

To qualify for this research study, participants should:

  • Have a diagnosis of Type 2 diabetes
  • Be between the ages of 18 – 70 years old
  • Have a BMI between 27-50 calculate your BMI
  • Have access to an iOS smartphone device with internet

* You may not qualify for this study based on other eligibility criteria not listed. The study coordinator will go over this information in detail.

Study Duration

Participation in the study will last approximately 24 weeks.


Compensation of up to $225 is offered for the successful completion of this study in addition to 6 months of WW program access.

Study Contact

If you are interested in volunteering for this research study, click here to screen online. Interested volunteers may also call 225-763-3000 or email

If you think you may be eligible, please click the button below to screen online.


Please do not fill out this questionnaire for anyone other than yourself unless you are their legal guardian.
If you know someone who may be interested please direct them to the site or have them call us directly at 225-763-3000.


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