Asthma trials in Japan

In Japan 10 Also abroad 500

10 trials · From ClinicalTrials.gov, checked 11 November 2026. Ask the study team whether a trial fits you.

Phase 3Taking people
A Study to Investigate the Efficacy and Safety of Tezepelumab Compared With Placebo in Children 5 to < 12 Years Old With Severe Asthma
Where
Fukuoka, Fukuyama, Funabashi-shi, Nara, Odawara, Ōtsu, Saga, Shimotsuga-gun, Yokohama
Age
5 years to 11 years
People
231 worldwide
Run by
AstraZeneca
See details and how to joinNCT06023589
Phase 2Taking people
A Study to Learn About the Study Medicine Called PF-07275315 in People With Moderate-To-Severe Asthma
Where
Aki-gun Fuchu-cho, Chuo-ku, Fujieda, Fukuoka, Hachiōji, Hamamatsu, Hiroshima, Kawachi-Nagano, Kobe, Sakai
Age
18 years to 75 years
People
252 worldwide
Run by
Pfizer
See details and how to joinNCT06977581 · EU 2024-517866-40-00
Phase 2Taking people
A Study to Evaluate Brenipatide Compared With Placebo in Adult Participants With Uncontrolled Moderate to Severe Asthma
Where
Chūōku, Habikino, Iizuka, Kagoshima, Kanazawa, Katsushika-ku, Nagoya, Narita, Okayama, Osaka, Yokohama
Age
18 years to 75 years
People
531 worldwide
Run by
Eli Lilly and Company
See details and how to joinNCT07219173
Phase 4Taking people
A Study Evaluating Disease Characteristics and Outcomes in Participants With Asthma in Routine Clinical Practice
Where
Bunkyo-ku, Kitakyushu-Shi, Niigata, Saga, tabashi City, Takamatsu
Age
6 years and over
People
2,500 worldwide
Run by
Sanofi
See details and how to joinNCT07556159 · EU 2025-524916-13-00
Phase 3Taking people
A Study to Investigate GB-0895 Adjunctive Therapy in Adults and Adolescents With Severe Uncontrolled Asthma (SOLAIRIA-2)
Where
Asahikawa-shi, Chuo Ku, Ebino, Fukui-shi, Fukuoka, Hachioji-Shi, Himeji, Hiroshima, Iizuka-Shi, Iruma, Isesaki-Shi, Kiyose-shi, Matsuyama, Naka-Gun, Nakano, Niigata, Sakai, Seto-shi, Shinagawa-Ku, tabashi City, Tokyo, Toshima-Ku, Toyonaka, Ube, Uruma, Yokohama
Age
12 years to 80 years
People
786 worldwide
Run by
Generate Biomedicines
See details and how to joinNCT07359846
Phase 2Taking people
A Study of JNJ-95597528 in Participants With Inadequately Controlled Moderate to Severe Asthma
Where
Sapporo, Shinagawa City
Age
18 years to 85 years
People
440 worldwide
Run by
Janssen Research & Development, LLC
See details and how to joinNCT07746687 · EU 2026-526262-24-00
Phase 2Taking people
Dose Range Finding Study to Assess Efficacy and Safety of Tozorakimab in Adults With Uncontrolled Asthma on Medium-to-High Dose Inhaled Corticosteroids
Where
Fukuoka, Ginowan-shi, Hiroshima, Ishinomaki, Kawaguchi-shi, Kiyose-shi, Kobe, Meguro-ku, Miura, Neyagawa, Sapporo, Takamatsu, Ube, Yokohama
Age
18 years to 75 years
People
540 worldwide
Run by
AstraZeneca
See details and how to joinNCT06932263 · EU 2024-519116-14-00
Phase 3Taking people
A Study to Learn About the Study Medicine Called Tilrekimig in People With Severe Asthma
Where
Hiroshima, Minamiku, Shinagawa
Age
12 years to 80 years
People
1,100 worldwide
Run by
Pfizer
See details and how to joinNCT07772921 · EU 2026-526565-18-00
Phase 2Enrolling by invitation
Long-term Safety and Efficacy Evaluation of Lunsekimig (SAR443765) in Adult Participants With Asthma
Where
Chūō, Fukushima, Kyoto, Miyazaki, Sakaidechō, Ube
Age
18 years and over
People
900 worldwide
Run by
Sanofi
See details and how to joinNCT06609239 · EU 2025-522896-27-00
Phase 3Enrolling by invitation
Efficacy and Safety of Subcutaneous Dupilumab in Participants With Asthma/Asthmatic Wheeze Aged 2 to <6 Years (LIBERTY ASTHMA TREKIDS)
Where
Fukuoka, Isehara, Tsu, Ureshino
Age
2 years to 5 years
People
90 worldwide
Run by
Sanofi
See details and how to joinNCT06191315 · EU 2023-504331-41-00