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Clinical Trials/CTRI/2025/11/097443
CTRI/2025/11/097443
Completed
Phase 4

Effectiveness and Safety of Long-Acting Injectable Paliperidone in Schizophrenia Spectrum and Bipolar Mania: A Prospective Observational Study

Government Mohan Kumaramangalam Medical College and Hospita1 site in 1 country60 target enrollmentStarted: December 1, 2025Last updated:

Overview

Phase
Phase 4
Status
Completed
Sponsor
Government Mohan Kumaramangalam Medical College and Hospita
Enrollment
60
Locations
1
Primary Endpoint
Proportion of patients achieving at least fifty percent improvement in Clinical Global Impression Improvement (CGI I) score at twelve months.

Overview

Brief Summary

This is a prospective observational Phase Four post marketing surveillance study planned to evaluate the effectiveness and safety of long acting injectable paliperidone in patients with schizophrenia, schizoaffective disorder, and bipolar mania. The study will be conducted at the Psychiatry Outpatient Department of Government Mohan Kumaramangalam Medical College, Salem.

The primary aim is to assess real world clinical effectiveness of long acting injectable paliperidone. Specific objectives are to evaluate improvement in symptom severity, monitor side effect profile including extrapyramidal symptoms, metabolic changes and prolactin related problems, determine continuation rates and reasons for discontinuation, and compare outcomes across the three diagnostic groups.

Thirty adult patients aged between eighteen and sixty five years of either gender will be recruited by consecutive sampling. Eligible participants will have a confirmed diagnosis of schizophrenia, schizoaffective disorder, or bipolar mania as per ICD Eleven and will have received long acting injectable paliperidone for at least six weeks. Patients with bipolar depression, other primary psychotic disorders, comorbid substance use disorder except nicotine, or those receiving concurrent psychotropic medications will be excluded.

Clinical assessments will include Clinical Global Impression Severity and Improvement scales, Positive and Negative Syndrome Scale for schizophrenia and schizoaffective disorder, Young Mania Rating Scale for bipolar mania, Abnormal Involuntary Movement Scale, Simpson Angus Scale, and metabolic measures such as weight, body mass index, serum prolactin, and blood glucose. These will be recorded at baseline, six weeks, twelve weeks, six months, and twelve months.

The primary outcome is the proportion of patients achieving significant clinical improvement at twelve months. Secondary outcomes include reduction in symptom scores, occurrence of side effects, treatment continuation rates, and potential policy relevance for District Mental Health Programme. The study will follow all ethical standards, and informed consent will be obtained from all participants or their legally authorized representatives when required.

Study Design

Study Type
Interventional
Allocation
Na
Masking
None

Eligibility Criteria

Ages
18.00 Year(s) to 65.00 Year(s) (—)
Sex
All

Inclusion Criteria

  • ICD 11 diagnosis of schizophrenia, schizoaffective disorder, or bipolar mania.
  • Initiated on long acting injectable paliperidone for at least six weeks.
  • Age between 18 to 65 years, any gender.

Exclusion Criteria

  • Diagnosis of bipolar depression or other psychotic disorders such as delusional disorder.
  • Presence of comorbid substance use disorder except nicotine.
  • Use of concurrent psychotropic medications.

Outcomes

Primary Outcomes

Proportion of patients achieving at least fifty percent improvement in Clinical Global Impression Improvement (CGI I) score at twelve months.

Time Frame: Outcomes will be assessed at Baseline, six months, and twelve months.

Secondary Outcomes

  • Assessment of metabolic & safety parameters including extrapyramidal symptoms weight BMI changes serum prolactin & glucose levels during treatment with long acting injectable paliperidone(At 6 months & 12 months)

Investigators

Sponsor
Government Mohan Kumaramangalam Medical College and Hospita
Sponsor Class
Government medical college
Responsible Party
Principal Investigator
Principal Investigator

Shankar

Government Mohan Kumaramangalam Medical College , salem

Study Sites (1)

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