WHAT IS PHARMACOEPIDEMIOLOGY? A.Infor on which prec the elderly,children,and pregnant women to er d types of in ot p ly undetected adverse and be s of d nsof drug use logy SUPPLEMENTARY INFORMATION marketing stuiies of ies can be ing the effec of drugs rder to in part bers of patients than those studied prior to ma study groups ing. uing in ing those with other o an ects (see Chapter 3).For example,at the tim and was but the other drugs might modify FDA reat uested the manufa drugs ell as te 5 For arketing. mic pre recent there has even been an attempt, Pa was n 10 deaths The ve for marketing more quickly selected cri ded from the pre rketing studies. Pren marketing studies also tend to be very arti ly,to approv ficial There ral but d s not need to evaluate lative to any reasons Examples with the sses which could effects of drugs in these populations generally not ethically be treated with place suc