Efficacy, Tolerability and Pharmacokinetics of Subcutaneous Exendin (9-39) in Patients With Post Bariatric Hypoglycemia

Inclusion Criteria:

* Post-bariatric surgery more than 6 months prior to signing the informed consent
* Reported history of Whipple's triad: the occurrence of hypoglycemic symptoms associated with a capillary blood glucose of ≤55 mg/dL, and resolution with glucose or carbohydrate administration.
* Symptomatic hypoglycemia during the baseline/screening oral glucose tolerance test (OGTT), as defined by the presence of plasma glucose ≤55 mg/dL with concomitant autonomic and/or neuroglycopenic symptoms.

Exclusion Criteria:

* Patients currently using sulfonylureas or other medications that may interfere with glucose metabolism within 5 half-lives of drug.
* Participation in any clinical investigation within 4 weeks prior to dosing
* History of or current insulinoma
* Active infection or significant acute illness within 2 weeks prior to dosing
* Female patients who are pregnant or lactating
* Women of childbearing potential and not utilizing effective contraceptive methods
* Inadequate end organ function