Hydroxyurea has been obsered to increase the leel of hemoglobin F, and has been used with some success in reducing the morbidity of sickle cell disease (2).

• 羟基脲有增加血红蛋白F水平的功能，并被成功地用于部分镰状细胞病患者的治疗，减低了死亡率[2]。