Observational Study of Interstitial Glucose Monitoring With Continuous Glucose Monitoring to Track Patients Treated With Exenatide

Inclusion Criteria:

• Male or female (if of child-bearing age must practice appropriate birth control such as tubal ligation, oral contraceptives, abstinence or vasectomized partner during the duration of the study)
• Previously diagnosed with type 2 diabetes
• Age 21 and older
• Treated with metformin, a sulfonylurea, a thiazolidinedione, a combination or metformin and a sulfonylurea, or a combination of metformin and a thiazolidinedione (approved FDA indications)
• HbA1c 7.1-11%, unless subject has been using exenatide prior to study; in that case, there is no restriction on HbA1c level.
• Willing to give informed consent
• Motivated and capable of following the protocol and instructions provided by the healthcare professional
• Available for the study on the scheduled visit days
• Access to telephone communications

Exclusion Criteria:

• Under 21 years of age
• Pregnancy
• Creatinine clearance <30 ml/min (using MDRD formula)
• Known gastrointestinal disease
• Without diabetes or known type 1 diabetes
• Unable to follow the study protocol
• Unable to read and write in English
• Allergy to adhesives
• Any concomitant medical condition that would likely affect the evaluation of CGM device performance as determined by the investigator such as dermatological conditions or myxedema.