A Phase 2 Randomized Controlled Trial of Single-Agent Hydroxyurea Versus Thalidomide Among Adult Transfusion Dependent β Thalassemia Patients.

Hydroxyurea and low dose thalidomide are low-cost, easily accessible Hb F inducing agents that have been found to decrease transfusion dependency among transfusion-dependent thalassemia patients. However, these drugs have not much been explored in a randomized controlled setting. The objective of this study was to determine the efficacy and safety of hydroxyurea and low dose thalidomide in adult transfusion dependent β thalassemia. A total of 39 transfusion dependent β thalassemia patients were randomized into three arms: Arm A (Hydroxyurea 500 mg/day), Arm B (thalidomide 50 mg/day), and Control Arm. The primary outcome was rise in haemoglobin at 24-weeks from the baseline levels. The mean age of the cohort was 26.9 ± 4.7 years. Total 13 patients (33.3%) were splenectomised. The mean rise of haemoglobin at the end of 24 weeks was 0.18 ± 0.645 g/dl, 0.56 ± 1.343 g/dl, and - 0.31 ± 0.942 g/dl in Arm A, Arm B and control arm, respectively, The online version contains supplementary material available at 10.1007/s12288-022-01620-3.

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Conflict of interestAll authors declare no competing interests and have no disclosures.