Weight Loss Study for People With Type 2 Diabetes

Inclusion Criteria:

1. Participant reported diagnosis of Type II diabetes

2. HbA1c between 7%‐11% (inclusive)

3. Fasting blood glucose < 240. If a potential participant has a FBG above the inclusion
criteria it is acceptable to re‐test this potential participant within one week of
the original test.

4. BMI 27‐50 kg/m2 (inclusive)

5. Age range - 18 - 70 (inclusive)

6. Clearance on medical exam by study physician including EKG

7. No weight loss over the previous 3 months (5kg loss is acceptable with physician
discretion)

8. On stable regimen of all medications (including diabetes) for at least 3 months
(brief regimens of medications such as antibiotics, steroids, etc. are permitted)

9. All diabetes medications are permitted including insulin.

10. Willing and able to commit to regular physical activity (e.g. walking) five days per
week

11. Willingness and ability to make all scheduled appointments required by study protocol

12. Willingness to attend weekly Weight Watchers meetings in the community and to
participate in Weight Watchers online program, if so randomized

13. Willing to follow requirements of study protocol

14. Willing and able to provide a valid email address for use in the study

15. Must be able to communicate (oral and written) in English

16. Under the care of a physician for diabetes and willing to give release to contact the
MD and request MD's agreement for participant to participate -

Exclusion Criteria:

1. Type 1 Diabetes

2. Cardiovascular/Coronary Heart Disease [e.g., MI or CVA within last 6 months, TIA,
clinically significant arrhythmias, uncontrolled hypertension (defined as blood
pressure over 160/110); physician's discretion may be more conservative]

3. Current severe depression or history of severe depression within the previous year,
based on DSM‐IV‐TR criteria for Major Depressive Episode

4. Taking prescription or OTC weight loss medications within last 4 weeks

5. Currently taking other medications that affect weight (e.g., paroxetine, tricyclics,
anti‐psychotics)

6. Within the last 4 weeks, use of chromium supplements or any nutrition supplements or
herbal products claimed to have a weight loss effect. Participants using other
non‐excluded nutrition supplements or herbal products must agree to continue at their
current level of use throughout the study.

7. Participation in a weight control program within the past 3 months

8. QTc interval >450 msec for males and QTc interval >470 msec for females

9. PHQ‐9 total score > 15

10. Thyroid disease for which the participant is untreated or has had treatment changed
within the last 6 months. History of thyroid disease or current thyroid disease
treated with a stable medication regimen for at least 6 months is acceptable

11. History of a surgical procedure for weight loss at any time (e.g. gastroplasty,
gastric by‐pass, gastrectomy or partial gastrectomy, adjustable banding, gastric
sleeve)

12. History of major surgery within three months of enrollment

13. Presence of implanted cardiac defibrillator

14. Orthopedic limitations that would interfere with ability to engage in regular
physical activity

15. Gastrointestinal disorders including chronic malabsorptive conditions, peptic ulcer
disease, Crohn's disease, chronic diarrhea or active gallbladder disease

16. Current cancer or cancer treatment, or a history of cancer or cancer treatment within
the last 3 years. Persons with successfully resected basal cell carcinoma of the skin
may be enrolled if treatment was completed more than 6 months prior to enrollment.

17. History, within the past five years, of clinically diagnosed eating disorders
Confidential March 30, 2012 9 including anorexia nervosa or bulimia nervosa.

18. Women who are pregnant, lactating , trying to become pregnant or unwilling to use an
effective means of birth control

19. Participation in another clinical trial within 30 days prior to enrollment.

20. Currently consuming >14 alcoholic drinks (1 drink = 12 fl oz beer, 4 fl oz wine or
1.5 fl oz liquor) per week and unwilling to limit intake to less than 3 drinks per
drinking day during study participation

21. Current or past drug abuse

22. Participation in trial by another member of household

23. Hypoglycemic Events:

a. Evidence of more than 1 severe hypoglycemic event in the past 12 months, unless
the participant's treating physician provides written clearance for participation.

24. Any other condition or factor which in the opinion of the study physician or
investigator makes it inadvisable for the candidate to participate in the trial -