Rapid Tranquillization Trial: TREC-India II

Three hundred consecutive adult patients presenting to the emergency services of the department of psychiatry and who are diagnosed by the treating doctor to be needing tranquillization to control agitated or aggressive behavior will be randomized to receive either Injection Olanzepine I.M. or Injection Haloperidol 10mg + Injection Promethazine 50 mg in this parallel group, block randomized, centrally-randomzed, allocation-concealed, assessor-blinded pragmatic clinical trial. The main outcome measure that the two treatments would be compared on would be the clinical state of the patient 4 hours after intervention, but the rate of tranquillization, degree of sedation, proportions tranquil and / or asleep at 15, 30, 60 and 240 minutes, need for additional medication, use of physical restraints, doctors called back, numbers absconding and adverse effects at each of these time points would also be compared. Compliance with oral medication and adverse effects at the end of 2 weeks would also be compared.