Effect of L-Glutamine on Pulmonary Artery Pressure in Patients With Non-Transfusion-Dependent Thalassemia

Oral L-glutamine powder, administered at a dose of 0.1 g/kg/day for 60 days in adult patients with non-transfusion-dependent thalassemia (NTDT). The supplement is given in addition to each participant's standard care regimen (e.g., hydroxyurea or iron chelation therapy, as clinically indicated).