A Study to Evaluate the Effect on Body Weight of Leptin Administered in Conjunction With Pramlintide in Overweight and Obese Subjects

Inclusion Criteria:

• Is obese (Body Mass Index [BMI]>=30kg/m^2 and <=35kg/m^2); or overweight (BMI>=27kg/m^2 and <30kg/m^2) with abdominal obesity, based on the following: *waist circumference >102 cm if male, *waist circumference >88 cm if female
• Is a nonsmoker (has not smoked for at least 6 months prior to the study)
• Consumes a morning and evening meal each day

Exclusion Criteria:

• Is diagnosed with type 2 diabetes
• Is currently enrolled or plans to enroll in a diet, weight loss, or exercise program with the specific intent of losing weight (subjects who have been following an exercise regimen resulting in stable weight maintenance for at least 2 months prior to enrollment are eligible for study inclusion)
• Has been treated over the past 2 months, is currently treated, or is expected to require or undergo treatment with any of the following medications: *antiobesity agents (prescription or over-the-counter), *antipsychotic agents, *antiepileptic agents, *antidepressant agents, *drugs that directly affect gastrointestinal motility
• Has received any investigational drug within 30 days or within a period corresponding to 5 half-lives of that drug, whichever is greater, prior to this study starting
• Has previously received treatment with recombinant leptin or pramlintide