Overview Olanzapine for the Treatment of Refractory Chronic Nausea and Vomiting Status: Withdrawn Trial end date: 2017-12-01 Target enrollment: Participant gender: Summary Prospective, observational study evaluating the effect of olanzapine for the treatment of refractory chronic nausea and vomiting. Details Lead Sponsor: Johns Hopkins UniversityTreatments: Olanzapine