The invention is directed to aminoquinoline and aminoquinazoline compounds of Formula I: where R.sub.1, R.sub.2, R.sub.3, B, Z, Q, p, q and X are as defined herein, the use of such compounds as protein tyrosine kinase modulators, particularly inhibitors of FLT3 and/or TrkB, the use of such compounds to reduce or inhibit kinase activity of FLT3 and/or TrkB in a cell or a subject, and the use of such compounds for preventing or treating in a subject a cell proliferative disorder and/or disorders related to FLT3 and/or TrkB. The present invention is further directed to pharmaceutical compositions comprising the compounds of the present invention and to methods for treating conditions such as cancers and other cell proliferative disorders.