The OPTiM investigators, in an analysis of lesion - level responses, reported that among 2,116 lesions in patients treated with T - VEC,
tumor area decreases of ≥ 50 % occurred in 64 % of injected lesions, in 34 % of uninjected nonvisceral lesions, and in 15 % of uninjected visceral lesions.
More than two decades after the discovery of Tasmanian facial
tumor disease, the Tasmanian devil is on the verge of extinction, with some
areas reporting a 95 percent
decrease in their population.