Clinical trials

11

Search and review clinical trials. Use filters to narrow results by trial status, phase, treatment, biological sex and sponsor.

Condition / disease
Location
Status: Recruiting

Specified Drug Use Survey on AJOVY Subcutaneous Injection for Long-term Use

To evaluate the long-term safety of AJOVY in patients under actual use conditions and to specifically evaluate cardiovascular events. In addition, information on efficacy will be collected.

Participants needed: 1,000
Trial details
Age: 18+Biological sex: AllType: ObservationalSponsor: Otsuka Pharmaceutical Co., Ltd.Updated: Jun 22, 2026Locations: 1
Eligibility criteria

patients with a known hypersensitivity to components of AJOVY

Status: Recruiting

A Long-term Administration Trial of SEP-363856 in Patients With Schizophrenia

To evaluate the safety of SEP-363856 (75 mg/day or 100 mg/day) administered for 52 weeks in adult participants with schizophrenia

Participants needed: 100
Trial details
Phase: Phase 3Age: 18+Biological sex: AllType: InterventionalSponsor: Otsuka Pharmaceutical Co., Ltd.Updated: Jan 14, 2026Locations: 1
Eligibility criteria

Japanese male or female participants 18 years of age or older at the time of inf... [+4]

History of psychiatric hospitalization within 8 weeks prior to screening [+3]

Status: Recruiting

A Long-term Trial of EB-1020 in Pediatric Patients With ADHD

The purpose of this study is to evaluate the safety of long-term administration of mainly high doses of EB-1020 over 52 weeks in pediatric ADHD patients.

Participants needed: 180
Trial details
Phase: Phase 3Age: 6-17Biological sex: AllType: InterventionalSponsor: Otsuka Pharmaceutical Co., Ltd.Updated: Dec 23, 2025Locations: 1
Eligibility criteria

Participants who completed the 6-week treatment period and 1-week follow-up peri... [+4]

Participants who have a positive pregnancy test result at baseline. [+29]

Status: Recruiting

A Trial to Evaluate the Efficacy and Safety of EB-1020 in Pediatric Patients With ADHD

The purpose of this study is to evaluate the efficacy and examine the safety of two doses of EB-1020 QD XR capsule administered once daily orally in pediatric ADHD patients.

Participants needed: 315
Trial details
Phase: Phase 2, Phase 3Age: 6-17Biological sex: AllType: InterventionalSponsor: Otsuka Pharmaceutical Co., Ltd.Updated: Dec 23, 2025Locations: 1
Eligibility criteria

Participants with a primary diagnosis of ADHD based on DSM-5 diagnostic criteria... [+3]

Participants who have a positive pregnancy test result at baseline. [+24]

Status: Not yet recruiting

A Phase 3 Trial of OPA-15406 Foam in Children and Infants With Atopic Dermatitis

To investigate the superiority of 0.3% OPA-15406 foam to the vehicle in children with atopic dermatitis (AD)

Participants needed: 198
Trial details
Phase: Phase 3Age: 3-14Biological sex: AllType: InterventionalSponsor: Otsuka Pharmaceutical Co., Ltd.Updated: Sep 22, 2025Locations: 1
Eligibility criteria

Participants who have been diagnosed with AD based on the Diagnostic Criteria fo... [+2]

Participants who experienced an acute exacerbation of AD or contact dermatitis w... [+1]

Status: Recruiting

LUPKYNIS Drug-use Results Survey

The purpose of this study is to survey the safety of LUPKYNIS in patients with lupus nephritis under actual use conditions. In addition, information on efficacy will be collected.

Participants needed: 400
Trial details
Age: 15+Biological sex: AllType: ObservationalSponsor: Otsuka Pharmaceutical Co., Ltd.Updated: Sep 19, 2025Locations: 1
Eligibility criteria

Patients who are newly starting administration of LUPKYNIS for lupus nephritis

Status: Not yet recruiting

A Phase 3 Trial to Demonstrate the Superiority of 1% OPA-15406 Foam to the Vehicle in Adult Patients With Atopic Dermatitis

To investigate the superiority of 1% OPA-15406 foam to the vehicle in adult patients with atopic dermatitis (AD).

Participants needed: 156
Trial details
Phase: Phase 3Age: 15-70Biological sex: AllType: InterventionalSponsor: Otsuka Pharmaceutical Co., Ltd.Updated: Sep 15, 2025Locations: 1
Eligibility criteria

Participants who have been diagnosed AD based on the Diagnostic Criteria for Ato... [+3]

Participants who experienced an acute exacerbation of AD or contact dermatitis w... [+1]

Status: Recruiting

A Long-term Trial of EB-1020 in Adult Patients With ADHD

The purpose of this study is to evaluate the safety of long-term administration of mainly high doses of EB-1020 over 52 weeks in patients who have completed the double-blind trial (405-102-00112) conducted in Japan

Participants needed: 180
Trial details
Phase: Phase 3Age: 18-55Biological sex: AllType: InterventionalSponsor: Otsuka Pharmaceutical Co., Ltd.Updated: Aug 3, 2025Locations: 1
Eligibility criteria

Participants who completed the treatment period andfollow-up period in the prece... [+1]

Participants who are pregnant or breastfeeding or test positive for pregnancy on... [+5]

Status: Recruiting

Evaluation of the Efficacy and Safety of EB-1020 in Adult ADHD Patients

The purpose of this study is to evaluate the efficacy and examine the safety of two doses of EB-1020 QD XR capsule administered once daily orally in adult ADHD patients.

Participants needed: 630
Trial details
Phase: Phase 2, Phase 3Age: 18-55Biological sex: AllType: InterventionalSponsor: Otsuka Pharmaceutical Co., Ltd.Updated: Aug 3, 2025Locations: 1
Eligibility criteria

Participants diagnosed primarily with ADHD (excluding other specified or unspeci... [+2]

Participants who are pregnant or breastfeeding, and those who test positive for... [+26]

Status: Recruiting

REXULTI Drug General Use-results Survey (Excessive Motor Activity or Physically/Verbally Aggressive Behavior Due to Rapid Changes in Mood, Irritability, and/or Outbursts Associated With Dementia Due to Alzheimer's Disease)

The purpose of this study is to evaluate safety of REXULTI in patients under daily clinical settings. In addition, information on efficacy will be collected.

Participants needed: 200
Trial details
Age: 15+Biological sex: AllType: ObservationalSponsor: Otsuka Pharmaceutical Co., Ltd.Updated: Jul 2, 2025Locations: 1
Eligibility criteria

Patients diagnosed with Alzheimer's disease

Status: Recruiting

Trial of Brexpiprazole Once-weekly (QW) Formulation in Patients With Acute Schizophrenia

Confirm the efficacy of the brexpiprazole QW formulation versus placebo for acute symptoms of schizophrenia

Participants needed: 450
Trial details
Phase: Phase 3Age: 18-64Biological sex: AllType: InterventionalSponsor: Otsuka Pharmaceutical Co., Ltd.Updated: Mar 12, 2025Locations: 1
Eligibility criteria

Patients at least 18 years of age and below the age of 65 at the time of informe... [+6]

Patients presenting a first episode of schizophrenia based on the clinical judgm... [+17]