NCT05169268

Brief Summary

MainRexult study aims to carefully evaluate a cohort of patients with schizophrenia and related disorder prescribed with the combination therapy with Abilify Maintena and Rexulti on its efficacy and tolerability in a real-life clinical setting.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
6

participants targeted

Target at below P25 for all trials

Timeline
Completed

Started Feb 2022

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

November 26, 2021

Completed
27 days until next milestone

First Posted

Study publicly available on registry

December 23, 2021

Completed
1 month until next milestone

Study Start

First participant enrolled

February 1, 2022

Completed
4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 31, 2026

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

January 31, 2026

Completed
Last Updated

April 27, 2026

Status Verified

July 1, 2025

Enrollment Period

4 years

First QC Date

November 26, 2021

Last Update Submit

April 24, 2026

Conditions

Keywords

SchizophreniaAntipsychoticsAripiprazoleBrexpiprazole

Outcome Measures

Primary Outcomes (4)

  • Change from baseline score of the Brief Psychiatric Rating Scale-24 at 3rd and 6th months

    Measuring efficacy on positive and negative psychotic symptoms with a total score ranges from 24 (normal) to 168 (severe ill)

    6 months

  • Change from baseline score of the Clinical Global Impression Scale at 3rd and 6th months

    measuring efficacy on overall clinical improvement and severity of subjects with a score ranges from 0 (normal) to 18 (severely ill)

    6 months

  • Change from baseline score of the Hamilton Anxiety Rating Scale at 3rd and 6th months

    measuring anxiety symptoms of the subjects with a score ranges from 0 (not ill) to 56 (severe)

    6 months

  • Change from basline score of the Hamilton Depression Rating Scale at 3rd and 6th months

    measuring depressive symptoms of the subjects with a score ranges from 0 (normal) to 62 (very severe)

    6 months

Secondary Outcomes (2)

  • Change from basline score of the Simpson Angus Score at 3rd and 6th months

    6 months

  • Change from baseline score of the Barnes Akathisia Rating Scale at 3rd and 6th months

    6 months

Study Arms (1)

MainRexult Group

Subjects with schizophrenia and related disorders receiving Abilify Maintena (aripiprazole 1 monthly depot) together with Rexulti (Brexpiprazole)

Drug: ARIPiprazole Injection [Abilify]Drug: Brexpiprazole

Interventions

subject already receiving the combination of Abilify Maintena and Rexulti

Also known as: Rexulti
MainRexult Group

subject already receiving the combination of Abilify Maintena and Rexulti

Also known as: Abilify Maintena
MainRexult Group

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Subjects are diagnosed with schizophrenia and related disorders who are receiving Abilify Maintena and Brexpiprazole as treatment.

You may qualify if:

  • Age: 18- 65 years old at the time of enrollment
  • Able to read and communicate in English and/or Chinese
  • Able to give informed consent
  • Has been diagnosed to have Schizophrenia (DSM-5 or ICD-10 F20 \[except F20.81\], Schizotypal (Personality) Disorder (DSM-5 or ICD-10 F21), or Schizoaffective Disorder (DSM-5 or ICD-10 F25), (Persistent) Delusional Disorder (DSM-5 or ICD-10 F22), Schizophreniform Disorder (DSM-5 or ICD-10 F20.81), Brief Psychotic Disorder (DSM-5) or Acute and Transient Psychotic Disorder (ICD-10 F23)
  • Is receiving the combination with Abilify Maintena and brexpiprazole as treatment ≤8 weeks at the time of recruitment

You may not qualify if:

  • Age \<18 years old
  • Unable to read English or Chinese
  • Unable to give informed consent
  • Had been diagnosed to have Intellectual Disabilities (DSM-5) or Mental Retardation (ICD-10 F70-73)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Queen Mary Hospital

Hong Kong, 000000, Hong Kong

Location

MeSH Terms

Conditions

Schizophrenia

Interventions

Aripiprazolebrexpiprazole

Condition Hierarchy (Ancestors)

Schizophrenia Spectrum and Other Psychotic DisordersMental Disorders

Intervention Hierarchy (Ancestors)

PiperazinesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsQuinolonesQuinolinesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-Ring

Study Officials

  • Albert KK Chung

    The University of Hong Kong

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 26, 2021

First Posted

December 23, 2021

Study Start

February 1, 2022

Primary Completion

January 31, 2026

Study Completion

January 31, 2026

Last Updated

April 27, 2026

Record last verified: 2025-07

Data Sharing

IPD Sharing
Will not share

Locations