Blood samples are stored for further immunology and virology studies. Patients may volunteer to participate in virology substudy A5020s and either immunology substudy A5016s or A5017s. Phase Phase II A phase two trial follows phase one. It consists of a larger, randomized sample of patients. The purpose of a phase two trial is to see if the drug is effective at doing what the manufacturer claims it should do.
Researchers also watch closely for unexpected adverse reactions.
45 patients per cohort. No more than 21 days before study entry. No more than 21 days before study entry. No more than 60 days before study entry. No more than 21 days before study entry.