Combined Immunodeficiency Due To Zap70 Deficiency Watchlist (log in to enable) Retrieved 2021-01-23 Source Orphanet Trials — Genes ZAP70, CYBB, PNP, NCF1 Drugs Allogeneic multi-virus specific T lymphocytes targeting BK virus, cytomegalovirus, human herpesvirus-6, Epstein Barr virus and adenovirus, haematopoietic stem cells and blood progenitors umbilical cord-derived expanded with (1R, 4R)-N1-(2-benzyl-7-(2-methyl-2H-tetrazol-5-yl)-9H-pyrimido[4,5-b]indol-4-yl)cyclohexane-1,4-diamine dihydrobromide dihydrate Interested in hearing about new therapies? Registered! A very rare, severe, genetic, combined immunodeficiency disorder characterized by lymphocytosis, decreased peripheral CD8+ T-cells, and presence of normal circulating CD4+ T-cells, leading to immune dysfunction.