Overview Phase II Open Label Study Using Triheptanoin in Patients With Glucose Type 1 Transporter Deficiency GLUT1-DS Status: Completed Trial end date: 2019-07-04 Target enrollment: Participant gender: Summary The purpose of this project is to study the efficacy of triheptanoin oil in patients with GLUT1 deficiency syndrome. Phase: Phase 2 Details Lead Sponsor: Institut National de la Santé Et de la Recherche Médicale, FranceCollaborator: Ultragenyx Pharmaceutical Inc