The cases of two borderline patients are presented, dexamethasone supp
ression test (DST) positive and refractory to many therapeutic interve
ntions and treated successfully with high doses of amitriptyline (225
and 200 mg/day, respectively). During the therapeutic intervention, th
e psychopathological condition of the patients was evaluated using Ham
ilton's rating scale for depression and a constructed scale based on i
tems 11, 12 and 13 (dysphoria, anger, sense of emptiness, boredom, anh
edonia) of the diagnostic interview for borderline patients.