Nope, mice aren't human, though we do share a lot (majority) of the same genes. But due to considerable prejudice (in some circles) against starting rigorous toxicity experiments with humans, that's where toxicity experiments (even new ones, like these) mostly start.Sorry, but I'm pretty skeptical of trying to make associations of any study trying to compare rats/mice to humans.
Thanks for the link.Here is the full text for a recent analysis of sucralose which includes trials on humans.
Sucralose, A Synthetic Organochlorine Sweetener
Personally I prefer other sweeteners than Splenda due to how it affects my blood sugar but I thought someone may appreciate a different source of information on the topic.