Clinical Trials

Inclusion Criteria:

• Age 18 and older.
• Willing to provide consent.
• Men or women.
• Stable weight for 3 months prior to study entry.

Exclusion Criteria:

• Individuals who are unable to sign consent (e.g., mentally challenged, those declared legally incompetent).
• Recent use of weight loss medications (< 6 months).
• History of abdominal GI surgery other than appendectomy.
• Bleeding disorder.
• Pregnancy.
• Positive history of chronic gastrointestinal diseases, or systemic disease that could affect gastrointestinal motility, or use of medications that may alter gastrointestinal motility, appetite or absorption; e.g., orlistat, phentermine.
• Subject has a known history of any condition or factor judged by the investigator to preclude participation in the study or which might hinder study adherence.
• Any contraindications to MRI.
• Claustrophobia.