February, 2003
© 2000, 2001, 2003 Scott S. Emerson, M.D., Ph.D.
Screening Studies:
14
Preliminary Studies in Screening
Scenario 2: Use of pilot studies (cont.)}
Confirmatory Trials
·
Investigate 749 new treatments (374,500
subjects)
·
187 effective treatments, 562 ineffective
treatments