NuCana doses first patients in Phase I study of NUC-7738
NuCana announced that the first patients have been dosed in the Phase I study of NUC-7738. This is the third ProTide NuCana has advanced to clinical studies and further broadens the therapeutic scope of the ProTide portfolio. NUC-7738 is NuCana's ProTide transformation of 3'-deoxyadenosine, a novel nucleoside analog with a unique mode of action, that has shown potent anti-cancer activity in preclinical studies. NUC-7738 is a ProTide transformation of cordycepin, a nucleoside analog that was isolated from the fungus Cordyceps sinensis in 1950. Cordycepin has demonstrated potent anti-cancer activity in multiple preclinical studies, but has not been successfully developed primarily due to its degradation by the enzyme adenosine deaminase. Unlike the parent nucleoside analogue, NUC-7738 is not a substrate for this enzyme and is therefore resistant to degradation by ADA. Similar to NuCana's other ProTides, NUC-7738 is designed to generate significantly higher levels of the active anti-cancer metabolite of cordycepin, 3'-deoxyadenosine triphosphate P, directly inside cells, bypassing the resistance mechanisms of transport, activation and breakdown.