What does ‘relapse’ mean? Definitions used in long-term antipsychotic treatment trials are inconsistent and unclear.

We are told that long-term antipsychotic treatment reduces the risk of someone having a ‘relapse’ of schizophrenia or psychosis. What ‘relapse’ actually refers to in the studies that are supposed to establish this has not been examined though. Our recent study of relapse definitions, published in Schizophrenia Research, shows that there is no consistent or…