Phase five is marked by human-to-human spread of the virus into at least two countries in the same area of the world.
VOA: special.2009.05.06
Flurizan completed Phase 2 human trials in Alzheimer's patients, and it is also in Phase 2-b human clinical trials for treating patients with pre-metastatic prostate cancer.
At Merck, where Jansen runs the program to create an HPV vaccine, scientists are expected to begin final-phase human trials of one promising candidate.