Skip to content

Study Evaluating the Efficacy and Safety of WID-RGC20(Cariprazine) in Patients With Schizophrenia

A Randomized, Double-Blind, Placebo-Controlled, Parallel-Group, Multi-Center, Fixed-Dose, Phase 3 Clinical Trial Evaluating the Efficacy and Safety of WID-RGC20 3 mg/Day and 6 mg/Day in Patients With Acute Psychotic Episode of Schizophrenia

Status
UNKNOWN
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05168007
Enrollment
342
Registered
2021-12-22
Start date
2021-11-19
Completion date
2023-07-31
Last updated
2021-12-22

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

Conditions

Schizophrenia

Brief summary

This Study is a Randomized, Double-Blind, Placebo-Controlled, Parallel-Group, Multi-Center, Fixed-Dose, Phase 3 Clinical Trial Evaluating the Efficacy and Safety of WID-RGC20 3 mg/day and 6 mg/day in Patients with Acute Psychotic Episode of Schizophrenia.

Interventions

DRUGWID-RGC20(Cariprazine) 3mg/day

The initial dose is WID-RGC20(Cariprazine) 1.5mg/day, followed by an up-titration of 1.5mg/day until the target dose(3mg/day) is achieved. The investigational product is administered during the double-blind treatment period(6 weeks).

DRUGWID-RGC20(Cariprazine) 6mg/day

The initial dose is WID-RGC20(Cariprazine) 1.5mg/day, followed by an up-titration of 1.5mg/day until the target dose(6mg/day) is achieved. The investigational product is administered during the double-blind treatment period(6 weeks).

DRUGPlacebo for WID-RGC20(Cariprazine) 3mg/day or 6mg/day

The placebo comparator is administered during the double-blind treatment period(6 weeks).

Sponsors

Whanin Pharmaceutical Company
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
19 Years to 64 Years
Healthy volunteers
No

Inclusion criteria

* Male or female patients 19 ≤ age \< 65 years * At least 1 year of schizophrenia diagnosed according to DSM-5 criteria(295.90) * At least 1 psychotic episode within 1 year * Current psychotic episode(acute exacerbation of schizophrenia) within 2 weeks * 80 ≤ PANSS total score ≤ 120 * Rating of at least 4(moderate) on at least 2 of the following 4 PANSS positive symptoms * CGI-S score ≥ 4 * Patients who can be hospitalized during the screening period and at least 3 weeks of the initial double-blind treatment phase

Exclusion criteria

1. Psychiatric Criteria * Medical history except schizophrenia specified in protocol * First-episode psychosis * Treatment-resistant schizophrenia within 2 years * Positive result from the blood alcohol concentration(BAC) test or the urine drug screen(UDS) * Have suicide risk 2. Treatment-related Criteria * Electroconvulsive therapy(ECT) within 12 weeks or Previous lack of response to ECT * Concomitant treatment with 3 or more antipsychotics within 12 weeks * Treatment with flunitrazepam or LAI antipsychotics less than 1 cycle or clozapine within 24 weeks * Treatment with CYP3A4 inducers or potent CYP3A4 inhibitors * Treatment with amiodarone or systemic corticosteroids for ≥ 12 weeks within 1 year * Required prohibited concomitant medication during the study period * Prior participation in any clinical trials of Cariprazine 3. Other * Ophthalmic medical findings or related history(ex. uncontrolled diabetes or hypertension) * Abnormal laboratory findings specified in protocol * Not suitable for any other reason, as judged by the investigator

Design outcomes

Primary

MeasureTime frameDescription
Positive And Negative Syndrome Scale(PANSS) total scoreat Week 6Change from baseline in Positive And Negative Syndrome Scale(PANSS) total score at Week 6

Secondary

MeasureTime frameDescription
Clinical Global Impressions-Severity(CGI-S)at Week 6Change from baseline in Clinical Global Impressions-Severity(CGI-S) at Week 6

Other

MeasureTime frameDescription
Clinical Global Impressions-Improvement(CGI-I)up to 6 weeksClinical Global Impressions-Improvement(CGI-I) at Week 1, 2, 3, 4, 5, 6
Positive And Negative Syndrome Scale(PANSS) positive scoreup to 6 weeksChange from baseline in Positive And Negative Syndrome Scale(PANSS) positive score by Week 6
Positive And Negative Syndrome Scale(PANSS) negative scoreup to 6 weeksChange from baseline in Positive And Negative Syndrome Scale(PANSS) negative score by Week 6
Positive And Negative Syndrome Scale(PANSS) responderat Week 6Percentage of subjects with at least 30% reduction in the Positive And Negative Syndrome Scale(PANSS) total score at Week 6 compared with baseline
Positive And Negative Syndrome Scale(PANSS) total scoreup to 5 weeksChange from baseline in Positive And Negative Syndrome Scale(PANSS) total score at Week 1, 2, 3, 4, 5
Suicidal ideation and behaviorup to 8 weeksIncidence of suicidal ideation and behavior by Week 8
Extrapyramidal Symptoms(EPS)up to 6 weeksIncidence of Extrapyramidal Symptoms(EPS) by Week 6
Laboratory testup to 6 weeksChange from baseline in clinical laboratory tests by Week 6
Adverse event(AE)up to 8 weeksIncidence of Adverse event(AE)s by Week 8
Clinical Global Impressions-Severity(CGI-S)up to 5 weeksChange from baseline in Clinical Global Impressions-Severity(CGI-S) at Week 1, 2, 3, 4, 5

Countries

South Korea

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026