- $3500. 2 periods of 6 nights and 1 follow up Aug 7, 2013 23:08:14 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by blackjohndoe on Aug 7, 2013 23:08:14 GMT -5 Hello,Does anyone know how many blood draws in this schizophrenia study?Also, I'm hearing there is no partial payment after the first period.Can anyone confirm this?Thanks,BJD