Impact of Untreated Psychosis Duration on Short-Term Outcomes in Initial Episodes of Schizophrenia
By
Dinghui Wang
Kaiguo Zhang
Zhi Xun Zhang
Qingqing Zhang
Min Liu
Yanhong Huang
Zhenqiang Xu
April 29, 2026
Clinical Scorecard: Impact of Untreated Psychosis Duration on Short-Term Outcomes in Initial Episodes of Schizophrenia
At a Glance
Category Detail
Condition Schizophrenia
Key Mechanisms Duration of untreated psychosis (DUP) influences prognosis and symptom improvement.
Target Population First-episode schizophrenia patients hospitalized at Shantou University Mental Health Center.
Care Setting Inpatient psychiatric care
Key Highlights
Shorter DUP (≤26 weeks) is associated with greater symptom improvement compared to longer DUP (>26 weeks). Mean BPRS improvement was significantly higher in the short DUP group (11.50 points) after matching. Higher baseline BPRS scores correlate with greater symptom improvement. The adverse effects of long DUP are more pronounced in patients with higher baseline symptom severity. DUP serves as a clinically useful prognostic indicator for early intervention.
Guideline-Based Recommendations
Diagnosis
Assess duration of untreated psychosis as part of the diagnostic evaluation.
Management
Implement early intervention strategies to reduce DUP and improve outcomes.
Monitoring & Follow-up
Regularly evaluate symptom severity using standardized scales like BPRS.
Risks
Longer DUP is associated with persistent symptoms, lower remission rates, and increased risk of suicide attempts.
Patient & Prescribing Data
First-episode schizophrenia patients hospitalized from 2015 to 2019.
Early treatment initiation is crucial for improving short-term outcomes.
Clinical Best Practices
Prioritize early detection and treatment of psychosis to minimize DUP. Utilize standardized assessment tools to evaluate symptom severity and treatment response.
References