 A Phase IIIb Three b, Randomized Multicentre Comparative Trial to Evaluate the Long Term Effectiveness Safety of the use of Carglumic Acid Carbaglu in Patients with Propionic Acidemia PA or Methylmalonic Acidemia MMA. Carbaglu clinical experience in Organic Acidemia OA is limited to a non-comparative retrospective collection of data from patients who had received Carbaglu for 1 to 15 days. 