Physical exams, safety assessments, and other tests are also done throughout the study. Physical exams, safety assessments, and other tests are also done throughout the study. 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.
175 per arm. One year after last patient enrolled. Documented HIV seropositivity. Other NRTIs and PIs. Investigational agents within 28 days prior to the first dose of study medication.