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Delayed Response to Antipsychotic Medication in Psychosis

Early response to antipsychotics as a predictor to later response in non affective psychosis

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2017/11/010391
Enrollment
60
Registered
2017-11-06
Start date
Unknown
Completion date
Unknown
Last updated
2021-11-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: null- Non Affective Psychosis

Interventions

Intervention1: Drug Risperidone and Olanzapine: Risperidone 2-8 mg/day for 8 week. Olanzapine 10-30mg/day for 6 weeks. Control Intervention1: Not Applicable: Not Applicable

Sponsors

Goverment Medical College and Hospital
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Patient should meet the following psychopathology severity criteria at the time of inclusion into the study 1.total score extracted from Positive and Negative Syndrome Scale should be atleast 45 2. A score of atleast 4 [moderate] on at least 2 of following BPRS items: conceptual disorganization, suspiciousness, hallucinatory behavior and unusual thought content 3.Patient who are either drug naïve or who had relapsed in preceding 2 weeks requiring change in medications.

Exclusion criteria

Exclusion criteria: 1.Patient with history of inadequate response to risperidone or olanzapine in the past. 2.Patient with history of allergic reaction to risperidone or olanzpine 3.History of use of risperidone or olanzapine with in past 30 days before the study enrolment. 4.Acute, serious or unstable co-morbid medical condition 5.Schizo-affective disorder 6.Active substance dependence except nicotine and caffeine 7.Pregnant and lactating women 8.Treatment resistant schizophrenia

Design outcomes

Primary

MeasureTime frame
1.Identify the early responder and non responder 2.the response rate amongst the early non-responders after either continuing on the same antipsychotic or being switched over to another atypical antipsychoticTimepoint: 1t week,2nd week,4th week,6th week,8th week.

Secondary

MeasureTime frame
20% Reduction in the illness severity on PANSS.Timepoint: 2nd week

Countries

India

Contacts

Public ContactBS Chavan

Goverment Medical College and Hospital

drchavanbs@gmail.com9646121611

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026