Clinical trials

12

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

Condition / disease
Location
Status: Recruiting

A Trial of the Efficacy and Safety of SEP-363856 in Acutely Psychotic Participants With Schizophrenia

Evaluate the efficacy and safety of Ulotaront (SEP-363856) in acutely psychotic subjects with schizophrenia

Participants needed: 522
Trial details
Phase: Phase 3Age: 18-65Biological sex: AllType: InterventionalSponsor: Otsuka Pharmaceutical Development & Commercialization, Inc.Updated: Jun 30, 2026Locations: 73
Eligibility criteria

Male or female participants between 18 to 65 years of age (inclusive) at the tim... [+7]

Sexually active participants or persons of childbearing potential who do not agr... [+3]

Status: Not yet recruiting

A Trial in Healthy Adult Participants and Adults With Autoimmune Disease to Test How HBM7020 is Tolerated and Absorbed in the Body

This first-in-human study evaluates the safety, tolerability, pharmacokinetics, pharmacodynamics, and immunogenicity of HBM7020. The study will enroll healthy participants at low doses, followed by participants with moderate to severe autoimmune diseases with predominant B-cell involvement. Eligible participants include patients with systemic lupus erythematosus (SLE), systemic sclerosis (SSc), Sjögren's disease (SjD), and rheumatoid arthritis (RA).

Participants needed: 63
Trial details
Phase: Phase 1Age: 18-75Biological sex: AllType: InterventionalSponsor: Otsuka Pharmaceutical Development & Commercialization, Inc.Updated: Jun 16, 2026
Eligibility criteria

Participants who are of non-childbearing potential or are using acceptable contr... [+13]

Pregnant or breastfeeding participants. [+5]

Status: Recruiting

A Brain Imaging Study to Assess the Binding of MSP-2020 to Serotonin 5-HT2A Receptors in Healthy Male Adults

This study is to see how well MSP-2020 attaches to specific targets in the brain called serotonin type 2A receptors (5-HT2AR). This study will also look at how much of the study drug (and its metabolite) is in the blood and how long the study drug stays in the blood, as well as the safety of MSP 2020.

Participants needed: 18
Trial details
Phase: Phase 1Age: 23-55Biological sex: MaleType: InterventionalSponsor: Otsuka Pharmaceutical Development & Commercialization, Inc.Updated: Jun 12, 2026Locations: 1
Eligibility criteria

Able to stay in the CRU for up to 4 days. [+2]

In first-degree relatives, a history of any schizophrenia-spectrum disorder, psy... [+8]

Status: Recruiting

A Trial to Examine the Interaction of Repinatrabit With Ethinyl Estradiol/Norethindrone, Metformin,Carbamazepine, Rosuvastatin, and Methotrexate When Administered Together

The purpose of this study is to assess the drug-drug interaction (DDI) of repinatrabit with ethinyl estradiol/norethindrone or norethisterone (EE/NE), metformin, rosuvastatin, carbamazepine, and methotrexate in healthy participants.

Participants needed: 48
Trial details
Phase: Phase 1Age: 18-55Biological sex: AllType: InterventionalSponsor: Otsuka Pharmaceutical Development & Commercialization, Inc.Updated: May 6, 2026Locations: 1
Eligibility criteria

Body mass index (BMI) from 18 to 35 kilograms per square meter (kg/m²) (inclusiv... [+7]

Female participants of childbearing potential. [+3]

Status: Recruiting

A Study of Quabodepistat-containing Regimens for the Treatment of Drug-resistant Pulmonary Tuberculosis

This study aims to assess quabodepistat-based treatment regimens for RR/MDR-TB. The study will enroll adults and adolescents with rifampicin-resistant or multidrug-resistant pulmonary TB. The main goal is to see if a new drug called quabodepistat, when combined with other TB drugs, can shorten treatment duration to 4 months and be as effective and safer than current WHO endorsed treatment regimen given for 6-months. The study will compare different drug combinations in two groups of patients: those whose TB is sensitive to fluoroquinolones and those whose TB is resistant to fluoroquinolones. Participants will be randomly assigned to receive either the new treatment or the standard treatment. The study will last for 16 months for each participant and will measure how well the treatments work and how safe they are.

Participants needed: 532
Trial details
Phase: Phase 3Age: 14+Biological sex: AllType: InterventionalSponsor: Otsuka Pharmaceutical Development & Commercialization, Inc.Updated: May 6, 2026Locations: 35
Eligibility criteria

Age ≥14 years [+9]

Known/suspected resistance to BDQ, PMD, LZD, or QBS [+21]

Status: Recruiting

A Study of JNT-517 in Participants With Phenylketonuria (PKU)

The goal of this Phase 3, randomized study is to assess the safety, efficacy, tolerability, and pharmacokinetics (PK) of oral JNT-517 in adults (18 years of age or older) with PKU. Participants will receive either JNT-517 or placebo and will be blinded to their treatment assignment. Participants will have a 2 in 3 (or approximately 67%) chance of receiving JNT-517 during the first part of the study which will last approximately six weeks. During the second part of the study every participant who continues in the study will receive one of two doses of JNT-517 for an additional 46 weeks. The study requires a screening period of up to 35 days to ensure dietary stabilization and amino acid levels required to meet study eligibility. In total, participation in the study could last for up to 400 days. Participants will: Take 75 mg JNT-517 or 150 mg JNT-517, or a placebo BID (2x per day) for approximately 365 days; Visit the clinic or have a mobile health nurse visit your home for checkups and tests; Collect urine sample at home and bring to clinic on specified days; Keep a food diary 3 days before each study visit

Participants needed: 120
Trial details
Phase: Phase 3Age: 18+Biological sex: AllType: InterventionalSponsor: Otsuka Pharmaceutical Development & Commercialization, Inc.Updated: May 4, 2026Locations: 25
Eligibility criteria

Males and females ≥18 years of age on Day 1 [+16]

Exclusion Criteria [+16]

Status: Recruiting

A Long-Term Study of JNT-517 in Participants With Phenylketonuria

The goal of this Phase 3, open-label study is to evaluate the long-term safety of JNT-517 in pediatric and adult participants with Phenylketonuria (PKU) after completion of either Study JNT517-101 (NCT05781399) or JNT517-201 (NCT06637514) as well as participants who have not participated in a prior JNT-517 study. In this trial, all participants will receive JNT-517 using age- and weight-banded dosing as outlined in the protocol, regardless of any dose received in a previous study.

Participants needed: 240
Trial details
Phase: Phase 3Age: 4+Biological sex: AllType: InterventionalSponsor: Otsuka Pharmaceutical Development & Commercialization, Inc.Updated: May 1, 2026Locations: 12
Eligibility criteria

Diagnosis of phenylketonuria (ie, PAH deficiency) by either molecular testing or... [+15]

Participation in this study is not considered safe and/or feasible in the opinio... [+19]

Status: Not yet recruiting

A Study in Adult Males With X-linked Congenital Nephrogenic Diabetes Insipidus to Test the Effects of NDI-5001 Given for Multiple Days and to Test How NDI-5001 is Tolerated and Taken up in the Body

The primary purpose of this trial is to evaluate the safety, tolerability, pharmacokinetics (PK), and pharmacodynamics (PD) of NDI-5001 administered as a capsule following daily oral dosing in adult males with X-linked congenital nephrogenic diabetes insipidus (NDI) due to vasopressin receptor Type 2 (V2R) mutations.

Participants needed: 24
Trial details
Phase: Phase 1Age: 18-55Biological sex: MaleType: InterventionalSponsor: Otsuka Pharmaceutical Development & Commercialization, Inc.Updated: Apr 13, 2026
Eligibility criteria

X-linked congenital NDI with a genotype-confirmed arginine vasopressin receptor... [+1]

Participant who is not willing to follow a low-sodium (<=1 gram/day) diet during... [+5]

Status: Not yet recruiting

A Study to Detect the Radioactivity of 14C-SEP-380135 in Urine and Feces in Healthy Male Adults

The purpose of the present trial is to obtain information on the absorption, distribution, metabolism, excretion and pharmacokinetics (PK) of 14C-SEP-380135 and its metabolites following a single oral dose.

Participants needed: 8
Trial details
Phase: Phase 1Age: 18-55Biological sex: MaleType: InterventionalSponsor: Otsuka Pharmaceutical Development & Commercialization, Inc.Updated: Mar 6, 2026Locations: 1
Eligibility criteria

Body mass index (BMI) between 18.0 and 32.0 kilograms per square meter (kg/m²). [+9]

Have taken an investigational drug within 30 days or 5 half-lives, if known, (wh... [+5]

Trial details
Phase: Phase 3Age: 28-18Biological sex: AllType: InterventionalSponsor: Otsuka Pharmaceutical Development & Commercialization, Inc.Updated: Feb 17, 2026Locations: 23
Eligibility criteria

Male or female subjects between 28 days and less than 18 years of age, with clin... [+1]

Premature birth (≤ 32 weeks gestational age) for infants 28 days to < 12 weeks o... [+26]

Status: Recruiting

A Phase 1 Trial to Evaluate the Safety, Tolerability, Pharmacodynamics, Pharmacokinetics, and Immunogenicity of VIS171 in Participants With Autoimmune Disease(s)

The purpose of this trial is to measure safety and tolerability of subcutaneous (SC) VIS171 in combination with standard of care in participants with autoimmune disease(s). The total duration of the clinical trial for each participant will be up to approximately 9 to 12 months.

Participants needed: 30
Trial details
Phase: Phase 1Age: 18-75Biological sex: AllType: InterventionalSponsor: Otsuka Pharmaceutical Development & Commercialization, Inc.Updated: Sep 17, 2025Locations: 6
Eligibility criteria

Estimated glomerular filtration rate (eGFR) >30 milliliters/minute/1.73 square m... [+6]

Receipt of high-dose corticosteroid therapy within 4 weeks prior to screening as... [+10]

Status: Recruiting

Trial of the Impact of Sibeprenlimab on Immunoglobulin A Nephropathy Kidney Tissue

This is a phase 2b open-label trial to characterize histopathological biomarkers of disease in immunoglobulin A nephropathy (IgAN) and demonstrate potential changes in response to sibeprenlimab.

Participants needed: 25
Trial details
Phase: Phase 2Age: 16+Biological sex: AllType: InterventionalSponsor: Otsuka Pharmaceutical Development & Commercialization, Inc.Updated: Apr 6, 2025Locations: 5
Eligibility criteria

Participants must be at least 16 years of age or older at the time of signing th... [+2]

Participants who are breast-feeding and/or who have a positive pregnancy test re... [+4]