Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
dope [dəup] n (inf)(drug) нарко́тик; (:in sport) до́пинг; (:person) приду́рок#; (:information) секре́тная информа́ция
vt (horse, person) вводи́ть*(ввести́*perf) нарко́тик +dat
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.