Complex sentence: Whilst early intervention in those with a psychotic episode might improve short term outcomes, little benefit was seen from these measures after five years, and attempting to prevent schizophrenia in the prodrome phase was regarded as of uncertain benefit.
Split into simpler sentences: Whilst early intervention in those with a psychotic episode might improve short term outcomes, little benefit was seen from these measures after five years. Attempting to prevent schizophrenia in the prodrome phase is regarded as of uncertain benefit.