Overview Long-term Clinical Study Evaluating the Safety and Efficacy of Dexmedetomidine in ICU Subjects Status: Completed Trial end date: 2008-06-01 Target enrollment: Participant gender: Summary Evaluate efficacy and safety of dexmedetomidine long term administration in ICU patients who require more than 24 hours sedation. Phase: Phase 3 Details Lead Sponsor: Hospira, Inc.Hospira, now a wholly owned subsidiary of PfizerCollaborator: Maruishi PharmaceuticalTreatments: Dexmedetomidine