This clinical study will examine the safety and tolerability, as well as the effects of orally administered mizagliflozin on post prandial glucose and insulin levels in subjects diagnosed with post-bariatric hypoglycemia (PBH).

This is a Phase 2 randomized, sequential crossover single ascending dose study in PBH subjects to determine the effect of two mizagliflozin formulations This study will examine single doses of mizagliflozin in either a liquid or encapsulated formulation. Subjects will be randomly assigned to one of two treatment arms. Safety, tolerability and pharmacodynamic response to mizagliflozin will be assessed in subjects during a mixed meal tolerance test (MMTT).

Inclusion Criteria:

• Roux-en-Y gastric bypass surgery performed > 6 months prior to enrollment
• Diagnosis of PBH

Exclusion Criteria:

• History of current medical conditions (other than PBH) which may result in hypoglycemia such as insulinoma, adrenal insufficiency, insulin autoimmune hypoglycemia, congenital hyperinsulinemia.
• Current use of insulin or insulin secretagogues.
• History of current dumping syndrome.
• History of current fasting hypoglycemia.
• Pregnancy and/ or Lactation: For women of childbearing potential: there is a requirement for a negative urine pregnancy test and for agreement to use contraception during the study and for at least 2 weeks after participating in the study.

34 Days