По време на in vitro проучвания на метаболизма на темсиролимус са наблюдавани сиролимус, секо- темсиролимус и секо - сиролимус.
During in vitro temsirolimus metabolism studies, sirolimus, seco-temsirolimus and seco-sirolimus were observed; additional metabolic pathways were hydroxylation, reduction and demethylation.