Indications | | | | |
Limitations | Requires parenteral access Requires blood banking support to find safe and compatible blood Risk of alloimmunization, hemolytic transfusion reactions, and iron overload | Requires monitoring for myelosuppression Possible risk of teratogenesis and leukemogenesis (evidence limited) Not tolerated by or ineffective in some patients | Requires subcutaneous injection Evidence in SCD is limited Possible risk of viscosity-related and vaso-occlusive complications (evidence limited) Poor compliance with injections | Requires access to new SCD therapies and insurance coverage (availability limited in low-resource settings) Possible risk of increasing Hb oxygen affinity causing tissue hypoxia Limited postmarketing data and clinical experience, especially when used in combination with other available therapies |