Overview Venlafaxine Augmentation in Treatment Resistant Depression Status: Completed Trial end date: 2014-08-01 Target enrollment: Participant gender: Summary This is an assessment of the efficacy of venlafaxine-HCL augmentation with the neuroleptic quetiapine in treatment resistant depression. Phase: Phase 4 Details Lead Sponsor: Max-Planck-Institute of PsychiatryTreatments: Quetiapine FumarateVenlafaxine Hydrochloride