“The cynomolgus monkey was selected as the toxicology species because ipilimumab binds specifically to macaque CTLA-4, but not to homologous CTLA-4 in other traditional toxicology species (mouse, rat, rabbit), and has pharmacologic activity only in primates.”
Binds macaque CTLA-4 but not mouse, rat or rabbit CTLA-4; pharmacologically active only in primates
“The cynomolgus monkey was selected as the toxicology species because ipilimumab binds specifically to macaque CTLA-4, but not to homologous CTLA-4 in other traditional toxicology species (mouse, rat, rabbit), and has pharmacologic activity only in primates.”