Status
Study
Lead sponsor
Phase
Enrol
Sites in Japan
Start
Not yet open
Alexion Pharmaceuticals, Inc.
Phase 3
1,180
Kurume-shi, Sapporo, Kumamoto, Kyoto, Matsumoto-shi, Suita-shi, Bunkyo-ku, Shinjuku-ku
2027-11-23
Not yet open
Eli Lilly and Company
Phase 3
2,115
Chiyoda City, Chūōku, Kawasaki, Kin-cho, Kunigami-gun, Nerima-ku, Shinjuku, Shinjuku-ku, Urasoe
2026-12
Not yet open
Takeda
Phase 2
36
Nagoya, Kumamoto, Shinjuku-ku, Niigata, Osaka
2026-10-15
Not yet open
Yuki Horio
Phase 4
25
Nishinomiya, Shinjuku-Ku, Yokohama
2026-10-01
Recruiting
Amgen
Phase 3
3,200
Yokohama, Chiyoda-ku, Chuo-ku, Hachioji-shi, Minato-ku, Shinjuku-ku, Suginami-ku
2026-07-23
Recruiting
Takeda
Phase 2
9
Nagoya, Maebashi, Tsu, Suita, Bunkyo-ku, Shinjuku-ku, Sumida-ku, Chūō
2026-07-14
Recruiting
AstraZeneca
Phase 3
2,000
Chūōku, Hachioji-shi, Ichikawa-shi, Kishiwada-shi, Meguro-ku, Mito, Sapporo, Shinjuku-ku
2026-07-06
Recruiting
AstraZeneca
Phase 3
4,500
Amagasaki-shi, Chūōku, Kasugai-shi, Koga-shi, Maebashi, Minatoku, Naka, Shinjuku-ku
2026-06-29
Recruiting
AstraZeneca
Phase 3
750
Fukuoka, Kyoto, Nishinomiya-shi, Okayama, Sapporo, Shibuya-ku, Shinjuku-ku, Suita-shi
2026-06-26
Recruiting
Takeda
Phase 2/3
500
Kumamoto, Shinjuku-ku
2026-06-11
Active, closed
AstraZeneca
Phase 2
326
Bunkyō City, Kurume-shi, Sapporo, Shinjuku-ku, Suita
2026-06-11
Recruiting
Pfizer
Phase 3
954
Suita, Chuo-ku, Shinjuku-ku
2026-06-10
Recruiting
Takeda
Phase 2
92
Fukuoka, Kumamoto, Isahaya-shi, Yodogawa-ku, Osaka-shi, Shinjuku-ku
2026-06-04
Recruiting
AbbVie
Phase 1
30
Nagoya, Bunkyo-ku, Shinjuku-ku
2026-05-28
Recruiting
Hoffmann-La Roche
Phase 3
138
Kashihara-shi, Shinjuku-Ku
2026-05-15
Recruiting
Novartis Pharmaceuticals
Phase 2
323
Suita, Chuo Ku, Chuo-ku, Shinjuku Ku
2026-05-07
Recruiting
Eli Lilly and Company
Phase 2
531
Chūōku, Fujiidera, Isehara, Kobe, Kumamoto, Sapporo, Shinjuku-Ku
2026-05-06
Recruiting
Eli Lilly and Company
Phase 2
342
Chūōku, Isehara, Kobe, Sapporo, Shinjuku-Ku
2026-04-29
Recruiting
Alkermes, Inc.
Phase 3
176
Kitakyushu-shi, Osaka, Shibuya-ku, Shinjuku-ku, Kumamoto, Tokyo
2026-04-22
Recruiting
Alkermes, Inc.
Phase 3
150
Kitakyushu-shi, Osaka, Shibuya-ku, Shinjuku-Ku, Kumamoto
2026-04-06
Recruiting
Pfizer
Phase 1/2
132
Shinjuku-ku, Fukuoka, Yamagata
2026-03-11
Recruiting
Novartis Pharmaceuticals
Phase 2
210
Nagoya, Urayasu, Shinjuku Ku, Kofu, Niigata
2026-03-09
Recruiting
AusperBio Therapeutics Inc.
Phase 2
84
Musashino, Shinjuku-Ku
2026-03-06
Recruiting
AstraZeneca
Phase 3
508
Bunkyō City, Kashiwa, Kyoto, Nagoya, Shibuya-ku, Shinjuku-ku
2026-02-23
Recruiting
Pfizer
Phase 1/2
224
Yokohama, Suita, Shinjuku-ku, Fukuoka, Yamagata
2026-02-10
Recruiting
Eli Lilly and Company
Phase 1
68
Shinjuku-ku
2026-02-04
Recruiting
Crinetics Pharmaceuticals Inc.
Phase 3
150
Hiroshima, Asahikawa, Bunkyo-ku, Fuchu-shi, Setagaya-ku, Shinjuku-ku
2025-12-11
Active, closed
Novartis Pharmaceuticals
Phase 2
234
Matsudo, Takamatsu, Miyhazaki, Suita, Shinjuku Ku, Kyoto
2025-12-02
Recruiting
Eli Lilly and Company
Phase 3
7,140
Chūōku, Hamadayama, Suginami-ku, Izumisano, Kobe, Kofu, Kumamoto, Shinjuku-ku, Takarazuka
2025-12-01
Recruiting
AstraZeneca
Phase 1/2
152
Bunkyō City, Kashiwa, Kurume-shi, Kyoto, Niigata, Shinjuku-ku, Toyoake-shi
2025-11-24
Active, closed
AstraZeneca
Phase 3
212
Kawasaki-shi, Kodaira-shi, Minatoku, Ōta-ku, Shinjuku-ku, Yokohama, Yufu-shi
2025-08-07
Recruiting
AstraZeneca
Phase 2
278
Bunkyō City, Fukuyama-shi, Kobe, Kurume-shi, Kyoto, Osaka, Sakaishi, Shinjuku-ku
2025-08-07
Active, closed
Novartis Pharmaceuticals
Phase 2
97
Ōbu, Fujioka, Itabashi Ku, Kodaira, Shinjuku Ku
2025-08-07
Active, closed
Juno Therapeutics, Inc., a Bristol-Myers Squibb Company
Phase 2
89
Sapporo, Yokohama, Bunkyo-ku, Shinjuku-ku, Chiba, Fukuoka, Okayama, Osaka
2025-07-14
Recruiting
Tokyo Women's Medical University
Not applicable
5
Shinjuku-Ku
2025-07-03
Active, closed
Eli Lilly and Company
Phase 3
600
Chitose, Chūōku, Mihama-ku,Chiba City, Shinjuku-ku, Suita-shi, Takamatsu, Tokyo, Tsuchiura
2025-05-19
Active, closed
Eli Lilly and Company
Phase 3
800
Chitose, Chūōku, Mihama-ku,Chiba City, Shinjuku-ku, Suita-shi, Takamatsu, Tokyo, Tsuchiura
2025-05-15
Active, closed
Eli Lilly and Company
Phase 3
1,400
Chitose, Chūōku, Mihama-ku,Chiba City, Shinjuku-ku, Suita-shi, Takamatsu, Tokyo, Tsuchiura
2025-05-15
Recruiting
Takeda
Phase 2
88
Kohoku-ku, Yokohama-Shi, Kumamoto, Isahaya-shi, Urasoe-Shi, Shinjuku-ku, Sumida-Ku, Fukuoka, Yodogawa-ku, Osaka-shi
2025-05-06
Recruiting
Keio University
Phase 4
100
Shinjuku-ku
2025-04-10
Recruiting
Pfizer
Phase 3
674
Kurume, Sendai, Niigata, Hamamatsu, Koto-ku, Mitaka, Shinjuku-ku, Osaka
2025-04-01
Active, closed
Novartis Pharmaceuticals
Phase 2
396
Suita, Chuo Ku, Chuo-ku, Shinjuku Ku
2025-03-26
Active, closed
Novartis Pharmaceuticals
Phase 2
126
Chiba, Sapporo, Kobe, Sendai, Suita, Bunkyo Ku, Shinjuku-ku, Fukuoka
2025-03-13
Active, closed
Amgen
Phase 3
3,853
Yokohama, Chiyoda-ku, Chuo-ku, Hachioji-shi, Minato-ku, Shinjuku-ku, Suginami-ku
2025-03-12
Recruiting
AbbVie
Phase 3
420
Kobe, Kochi, Osaka, Shibuya-ku, Shinjuku-ku, Tendo-shi, Kai, Kagoshima
2025-02-13
Active, closed
Novartis Pharmaceuticals
Phase 3
180
Sapporo, Nishinomiya, Hanamaki, Sendai, Suita, Higashi-Matsuyama, Koshigaya, Shinjuku Ku
2025-02-07
Recruiting
Enliven Therapeutics
Phase 1
21
Akita, Sapporo, Suita-shi, Shinjuku-ku
2025-01-23
Active, closed
Novartis Pharmaceuticals
Phase 2
21
Sapporo, Yokohama, Sendai, Suita, Izumo, Bunkyo-ku, Shinjuku-ku, Fukuoka
2024-12-17
By invitation
CoreTissue BioEngineering Inc.
Not applicable
64
Hirosaki, Hiroshima, Sapporo, Kobe, Bunkyo-ku, Shinjuku-ku
2024-11-25
Active, closed
Novartis Pharmaceuticals
Phase 2
201
Nagoya, Toyoake, Yokohama, Iruma-gun, Bunkyo-ku, Shinjuku Ku, Toyama, Hiroshima
2024-10-09
Recruiting
Gossamer Bio USA, Inc.
Phase 3
330
Bunkyō City, Fukuoka, Mitaka, Nagoya, Okayama, Shinjuku-Ku, Suita
2024-09-03
Active, closed
Janssen Pharmaceutica N.V., Belgium
Phase 2
55
Chofu-shi, Chūōku, Hirakata-shi, Kobe, Musashimurayama, Narashino-shi, Shinjuku Ku, Shinjuku-ku
2024-07-22
Recruiting
CSL Behring
Phase 2/3
3,110
Ichinomiya-shi, Urayasu-shi, Kitakyushu-shi, Maebashi, Sapporo, Kusatsu-shi, Shinjuku-Ku, Hashima-gun
2024-04-27
Recruiting
AstraZeneca
Phase 3
100
Bunkyō City, Chiba, Fuchu-shi, Kawasaki-shi, Kobe, Nagasaki, Obu-shi, Shinjuku-ku
2024-03-14
Active, closed
Astellas Gene Therapies
Not applicable
119
Kodaira-Shi, Shinjuku-Ku
2024-02-01
Active, closed
Incyte Corporation
Phase 3
617
Ginowan-shi, Itabashi-ku, Kurume-shi, Kyoto, Niigata, Sapporo, Sendai, Shinjuku-ku
2024-01-30
Active, closed
Pfizer
Phase 3
394
Nagoya, Sendai, Sakai, Bunkyo-ku, Shinjuku-ku, Kofu
2024-01-19
Active, closed
Alexion Pharmaceuticals, Inc.
Phase 3
1,181
Bunkyō City, Kumamoto, Kurume-shi, Kyoto, Matsumoto-shi, Sapporo, Shinjuku-ku, Suita-shi
2024-01-11
Active, closed
AbbVie
Phase 3
614
Nagoya, Sakai-shi, Suita-shi, Bunkyo-ku, Shinjuku-ku, Yamagata, Kofu
2023-12-19
Recruiting
AbbVie
Phase 3
1,500
Kurume-shi, Sagamihara-shi, Niigata, Osaka, Hamamatsu, Mitaka-shi, Shinjuku-ku, Ube-shi
2023-10-11
Active, closed
AstraZeneca
Phase 1/2
166
Fukuoka, Shinjuku-ku, Suita-shi
2023-09-29
Recruiting
GramEye
Observational
15,000
Shinjuku-Ku
2023-09-25
Recruiting
MiMedx Group, Inc.
Not applicable
75
Kobe, Iruma-gun, Bunkyō-Ku, Mitaka-shi, Shinjuku-Ku
2023-08-04
Recruiting
Chiesi Farmaceutici S.p.A.
Phase 2/3
16
Chikushino-shi, Sendai, Nishihara, Suita, Bunkyo-ku, Minato-ku, Shinjuku-ku, Asahikawa
2023-08-01
By invitation
AbbVie
Phase 3
650
Kobe, Nishinomiya-shi, Kochi, Sendai, Osaka, Shinjuku-ku, Kyoto
2023-06-05
Active, closed
Sarepta Therapeutics, Inc.
Phase 3
148
Toyonaka-shi, Kodaira, Shinjuku-ku
2023-05-31
Recruiting
Pfizer
Phase 3
318
Kitakyushu-shi, Kawasaki, Sendai, Okayama, Ōtsu, Bunkyo-ku, Shinjuku-ku, Ube
2023-05-20
Recruiting
AbbVie
Phase 3
450
Kobe, Nishinomiya, Kochi, Sendai, Osaka, Shinjuku-ku, Kyoto
2023-05-01
Active, closed
Merck Sharp & Dohme LLC
Phase 3
641
Nagoya, Bunkyo, Shinjuku-ku, Shinjyuku-ku, Osaka
2023-03-17
Active, closed
Merck Sharp & Dohme LLC
Phase 3
537
Nagoya, Shinjuku-ku, Shinjyuku-ku, Osaka
2023-03-08
Recruiting
Eli Lilly and Company
Phase 3
595
Hamamatsu, Kurume, Mitaka, Miyagi-gun, Niigata, Osaka, Shinjuku-ku, Ube
2023-02-27
Active, closed
Merck Sharp & Dohme LLC
Phase 3
553
Nagoya, Shinjuku-ku, Shinjyuku-ku
2023-02-20
Active, closed
TRISCEND JAPAN Study
NCT05760989Tricuspid Valve Regurgitation, Heart Valve Diseases, Cardiovascular Diseases
Edwards Lifesciences
Not applicable
45
Kitakyushu-shi, Isehara-shi, Sendai, Osaka, Suita, Suita-shi, Shinjuku-Ku
2023-02-06
Recruiting
Medtronic Cardiovascular
Not applicable
600
Nagoya, Asahikawa, Chuo Ku, Hamamatsu, Shinjuku-Ku, Osaka
2023-01-05
Active, closed
Novartis Pharmaceuticals
Phase 3
90
Narita, Matsuyama, Gifu, Kobe, Isehara, Suita, Itabashi-ku, Shinjuku Ku
2022-12-30
Active, closed
Novartis Pharmaceuticals
Phase 3
20
Kurume, Shinjuku Ku
2022-12-19
Recruiting
Genmab
Phase 1/2
952
Fukushima, Ōta, Sapporo, Akashi, Hidaka, Nagaizumi-chō, Koto, Shinjuku-ku
2022-12-07
Active, closed
Swedish Orphan Biovitrum
Phase 3
15
Fukushima, Kobe, Yokohama, Matsumoto, Bunkyō-Ku, Shinjuku-Ku, Gifu
2022-08-24
Recruiting
Janssen Research & Development, LLC
Phase 2/3
12
Azumino-shi, Chiba, Miyazaki, Nishinomiya-Shi, Saitama Shi, Shinjuku-ku
2022-07-20
Active, closed
Sun Pharmaceutical Industries Limited
Phase 3
529
Shinjuku-ku, Fukuoka, Itabashi-ku, Kumamoto, Mitaka, Miyazaki, Sendai, Tsu
2022-06-30
Active, closed
Hoffmann-La Roche
Phase 2/3
97
Hyōgo, Kagoshima, Shinjuku-ku
2022-06-02
Recruiting
Bristol-Myers Squibb
Phase 2/3
120
Ōbu, Kurume-shi, Komatsu, Yokohama, Takatsuki, Bunkyo-Ku, Setagaya-ku, Shinjuku-ku
2022-05-30
Active, closed
National Center for Global Health and Medicine, Japan
Phase 4
567
Shinjuku-Ku
2022-05-26
Active, closed
UCB Biopharma SRL
Phase 3
113
Chiba, Isehara, Kitakyushu-shi, Kodaira, Koriyama-shi, Sendai, Shinjuku-ku, Suita-shi
2022-02-02
Recruiting
Novartis Pharmaceuticals
Phase 1/2
34
Yokohama, Shinjuku-ku, Osaka
2021-12-27
Active, closed
AstraZeneca
Phase 3
145
Minatoku, Nagoya, Shinjuku-ku
2021-11-19
Active, closed
AstraZeneca
Phase 3
927
Chūōku, Hidaka-shi, Hiroshima, Kawasaki-shi, Kōtoku, Nagoya, Ota-shi, Shinjuku-ku
2021-10-25
Active, closed
Haihe Biopharma Co., Ltd.
Phase 2
93
Kurume, Suita, Chuo Ku, Minato-Ku, Shinjuku-Ku, Matsuyama, Nagoya, Niigata
2021-10-11
Active, closed
Merck Sharp & Dohme LLC
Phase 3
2,000
Nagoya, Shinjuku-ku, Shinjyuku-ku, Osaka, Tokyo
2021-09-15
Active, closed
Eli Lilly and Company
Phase 3
2,996
Bunkyō City, Chūōku, Hachiōji, Osaka, Ōbu, Shinjuku, Shinjuku-ku, Suita-shi
2021-08-27
Active, closed
Ono Pharmaceutical Co., Ltd.
Phase 1
32
Kashiwa-shi, Yokohama, Hamamatsu, Bunkyō-Ku, Koto-ku, Mitaka-shi, Shinjuku-Ku, Chūōku
2021-07-30
Active, closed
Novartis Pharmaceuticals
Phase 3
208
Nagoya, Isehara, Suwa, Suita, Shinjuku Ku, Fukushima, Ishikawa, Kyoto
2021-07-27
Active, closed
AbbVie
Phase 3
132
Nagoya, Tsu, Hirakata-shi, Shinjuku-ku
2021-07-24
Active, closed
Merck Sharp & Dohme LLC
Phase 3
342
Nishinomiya, Kawasaki, Sagamihara, Suita, Hidaka, Shinjuku-ku, Chiba, Fukuoka
2021-06-18
Recruiting
Bristol-Myers Squibb
Phase 3
153
Nagoya, Fukuoka, Jonan-Ku, Isehara, Tsu, Itabashi-ku, Shinjuku-ku, Osaka
2021-03-23
Active, closed
Bioverativ, a Sanofi company
Phase 3
261
Nagoya, Kitakyushu-shi, Kawasaki-shi, Kashihara-Shi, Shinjuku-ku, Suginami-ku
2021-02-23
Recruiting
PharmaEssentia Japan K.K.
Phase 3
67
Toon-shi, Tsu, Suita-shi, Bunkyo-ku, Shinjuku-ku, Chuo-shi
2021-01-19
Active, closed
Eli Lilly and Company
Phase 3
312
Kagoshima, Kobe, Kochi, Kyoto, Nishinomiya, Osaka, Shinjuku-ku, Tokyo
2020-11-25
Recruiting
Eisai Co., Ltd.
Phase 1
18
Hakata, Kurume, Yuhu, Bukyo-ku, Mintato-ku, Shinjuku-ku, Kofu, Kyoto
2020-02-27
Active, closed
AstraZeneca
Phase 3
140
Chiba, Kita-gun, Sagamihara-shi, Sendai, Shinjuku-ku
2019-10-29
Recruiting
Eli Lilly and Company
Phase 3
190
Bunkyō, Chiba, Kagoshima, Kanazawa, Niigata, Saitama-shi, Sendai, Shinjuku-ku
2019-04-05
Active, closed
Novartis Pharmaceuticals
Phase 3
1,882
Tōon, Sapporo, Shiwa-Gun, Sendai, Kawagoe, Kodaira, Shinjuku-ku, Chiba
2018-12-28
Active, closed
Eli Lilly and Company
Phase 3
533
Kobe, Kochi, Kyoto, Nishinomiya, Osaka, Sendai, Shinjuku-ku, Tokyo
2018-03-14
Active, closed
NRG Oncology
Phase 3
162
Sapporo, Shiwa-gun, Mitaka-shi, Shinjuku-ku, Hiroshima, Saitama, Tokyo
2017-09-12
Active, closed
Bayer
Phase 3
24
Ōbu, Suita, Shinjuku-ku
2015-10-29
Active, closed
AstraZeneca
Phase 2
162
Chūōku, Fukuoka, Matsuyama, Morioka, Shinjuku-ku, Yamagata, Yonago-shi
2010-02-04
Active, closed
National Cancer Institute (NCI)
Phase 3
1,052
Sendai, Kure, Sapporo, Shiwa-gun, Kagoshima, Niigata, Shizuoka, Shinjuku-ku
2007-12-06