The traditional method of treatment involves regular ADA injections to slow the disease. With gene therapy, lymphocytes are extracted from the patient and implanted with the missing gene, before being reintroduced to the patient's body to generate the necessary immunity.
傳統治療方式是定期注射 ADA（腺甘酸去胺酵素）來緩解；基因治療的方式，則是先把病人的淋巴細胞取出來，放入其所缺乏的該種基因，再將細胞放回病人體內，使其發揮功能。