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Confirmatory Study of DSP-5423P in Patients with Schizophrenia

Confirmatory Study of DSP-5423P in Patients with Schizophrenia

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2080222637
Enrollment
501
Registered
2014-10-23
Start date
2014-12-22
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Schizophrenia

Interventions

Sponsors

Sumitomo Dainippon Pharma Co., Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - Patients who have schizophrenia diagnosed by DSM-5, diagnostic criteria - Patients who are aged 18 years or older at informed consent - Patient understands the objectives and procedures of the study and who provide written voluntarily consent to participate in the study, etc.

Exclusion criteria

Exclusion criteria: - Patients who fall under a contraindication listed in the LONASEN package insert - Patients with Parkinson disease - Patients who previously received blonanserin, etc.

Design outcomes

Primary

MeasureTime frame
efficacy The primary endpoint is the change in PANSS total score from baseline at Week 6.

Secondary

MeasureTime frame
efficacy - Change in PANSS subscale scores from baseline at Week 6 - Change in PANSS five-factor modelNote scores from baseline at Week 6 - Change in Clinical Global Impressions - Severity of Illness (CGI-S) score from baseline at Week 6 - Change in PANSS total score from the last evaluation before the initial application of DSP-5423P at each visit - Change in PANSS subscales from the last evaluation before the initial application of DSP-5423P at each visit - Change in PANSS five-factor models from the last evaluation before the initial application of DSP-5423P at each visit - Proportion of subjects who achieve a response, defined as 20% or greater improvement from baseline in PANSS total score at Week 6

Countries

Asia except Japan, Japan, Russia, Ukraine

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026