Three gene therapy approaches for sickle cell anemia are in clinical trials and have shown success.

“so to summarize then you can either do gene therapy to — Express the corrected version of the sickling Gene that would be the gene is called beta Global — that has been performed the second approach is to use Gene editing technology to change the the gene back to its normal form the third approach is to reactivate fetal hemoglobin — in adults to essentially correct the the hemoglobin defect and all three are being all three of them are in trials and all three have shown various measures of success”