Schizophrenia Clinical Trial
Official title:
Research Into Antipsychotic Discontinuation and Reduction (RADAR): A Randomised Controlled Trial
Psychosis and schizophrenia are common and costly mental health problems. Psychosis is the name given to a group of mental conditions in which cause people to perceive or interpret things differently from those around them. One of the most common causes of psychosis is schizophrenia, a condition that causes a range of psychological symptoms, including hallucinations (hearing and/or seeing things) and delusions (believing something that is not true). One of the main treatment options for psychosis and schizophrenia is long-term treatment with antipsychotic medication, but many patients still find life difficult. Antipsychotic drugs can also have dangerous and unpleasant side effects. Finding alternatives to long-term drug treatment is a priority for patients and services. This study is testing the effects of gradually reducing antipsychotic medication in people with schizophrenia, psychosis or similar conditions in order to see if it can help improve day-to-day functioning and how it affects their chance of suffering a relapse (worsening of their condition).
The RADAR trial is a randomised controlled trial that will compare a flexible and gradual strategy of antipsychotic reduction and possible discontinuation with maintenance antipsychotic treatment in people with schizophrenia or who have recurrent psychotic episodes. In the reduction group, a guideline reduction schedule will be devised by the research team for each participant taking into account starting dose and number of antipsychotics prescribed. This may be adjusted by treating clinicians in discussion with participants. Antipsychotics will be discontinued in cases where reduction progresses well. The reduction schedule will be flexible, and will include guidance on monitoring and treating symptoms and signs of early relapse. Participants will be individually randomised to the two treatment strategies, which will be administered by treating clinicians. They will be followed up for two years. The primary outcome is social functioning, and secondary outcomes include relapse, symptoms, side effects, employment and medication adherence. ;
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