Obesity trials in Japan

In Japan 36 Also abroad 1939

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

Phase 3Not yet taking people in Japan
A Research Study to Look at How Well Zenagamtide Works Compared to Placebo in People With Established Atherosclerotic Cardiovascular Disease and Either Overweight or Obesity
Where
Chiba-shi, Chiba, Fuchu-shi,Tokyo, Fukuoka, Himeji-shi, Hyogo, Hyōgo, Kanagawa, Kumamoto-shi, Kumamoto, Kyoto-shi, Kyoto, Matsumoto-shi, Nagano, Matsuyama-shi, Ehime, Morioka-shi, Iwate, Ono-shi Hyogo, Osaka-shi Osaka, Osaka-shi, Osaka, Ota-shi, Gunma, Suginami-ku, Tokyo, Takamatsu-shi, Kagawa, Tokorozawa-shi,Saitama, Tokyo, Toshima-ku,Tokyo, Wakayama-shi, Wakayama, Yao City, Osaka
Age
45 years to 64 years
People
8,500 worldwide
Run by
Novo Nordisk A/S
See details and how to joinNCT07861100 · EU 2026-525182-53-00
Phase 3Taking people
Extension Trial to Evaluate the Long-term Efficacy, Safety, and Tolerability of Maridebart Cafraglutide (MARITIME-2-EXTENSION)
Where
Aki-gun, Kashiwara-shi, Kitakyusyu-shi, Kumamoto, Matsuyama, Meguro-ku, Mitaka-shi, Mito, Naka, Shizuoka, Tsuchiura-shi
Age
18 years to 99 years
People
950 worldwide
Run by
Amgen
See details and how to joinNCT07684144 · EU 2025-524788-19-00
Phase 3Taking people
Extension Trial to Evaluate the Long-term Efficacy, Safety, and Tolerability of Maridebart Cafraglutide (MARITIME-1-EXTENSION)
Where
Chiyoda-ku, Chuo-ku, Hachioji-shi, Minato-ku, Shinjuku-ku, Suginami-ku, Yokohama
Age
18 years to 99 years
People
3,200 worldwide
Run by
Amgen
See details and how to joinNCT07684235
Phase 3Taking people
A Study of Eloralintide (LY3841136) in Participants With Obesity, or Overweight Without Type 2 Diabetes
Where
Adachi-ku, Chūōku, Fukuoka, Minato, Mitaka, Suita-shi, Tokyo
Age
18 years and over
People
1,980 worldwide
Run by
Eli Lilly and Company
See details and how to joinNCT07321886 · EU 2025-523657-34-00
No phaseEnrolling by invitation
Cities for Better Health Childhood Obesity Prevention Initiative
Where
Chiba
Age
6 years to 13 years
People
36,000 worldwide
Run by
Novo Nordisk A/S
See details and how to joinNCT06855563
Phase 3Taking people
AMAZE 10: A Research Study Investigating How Well the Medicine NNC0487-0111 Helps People in Japan With Excess Body Weight Lose Weight
Where
Aichi, Bunkyo-ku, Tokyo, Chiba, Chiba-shi, Chiba, Chigasaki-shi, Chiyoda-ku, Tokyo, Chuo-ku, Tokyo, Fukuoka-shi, Fukuoka, Ibaraki, Kagawa, Kamakura-shi, Kanagawa, Kanagawa, Kawasaki-shi, Kitakyushu-shi, Fukuoka, Koriyama-shi, Fukushima, Kyoto-shi, Kyoto, Osaka, Osaka-shi, Osaka, Sapporo, Suita-shi, Tokyo, Yamato-shi, Yao City, Osaka
Age
18 years and over
People
400
Run by
Novo Nordisk A/S
See details and how to joinNCT07822061
Phase 3Not yet taking people in Japan
AMAZE 13: A Research Study Investigating How Well the Medicine Zenagamtide Helps People in Asia With Excess Body Weight Lose Weight
Where
Sakai-shi, Osaka, Shinjuku-ku, Tokyo, Suita-shi, Tokyo
Age
18 years and over
People
400 worldwide
Run by
Novo Nordisk A/S
See details and how to joinNCT07668401
Phase 3Taking people
A Research Study to Look at How Well NNC0487-0111 Works Compared to Placebo in People With Heart Failure and Obesity
Where
Bunkyo-ku, Tokyo, Chiba-shi,Chiba, Chikushino-shi, Fukuoka, Fuchu-shi,Tokyo, Fukuoka-shi, Fukuoka, Higashiosaka-shi, Osaka, Himeji-shi, Hyogo, Hyōgo, Ibaraki, Kanagawa, Kasugai-shi, Aichi, Kofu-shi, Yamanashi, Kyoto-shi, Kyoto, Maebashi-shi, Gunma, Matsumoto-shi, Nagano, Miura-gun, Kanagawa, Morioka-shi, Iwate, Nagasaki, Osaka, Osaka-Shi, Osaka, Ota-shi, Gunma, Sapporo-shi, Hokkaido, Shinjuku-ku, Tokyo, Shizuoka, Takamatsu-shi, Kagawa, Tokyo, Tomakomai-Shi, Hokkaido, Toshima-ku,Tokyo, Uwajima-shi, Wakayama-shi, Wakayama, Yokohama-shi，Kanagawa
Age
18 years and over
People
5,610 worldwide
Run by
Novo Nordisk A/S
See details and how to joinNCT07567001 · EU 2025-523717-29-00
Phase 1Not yet taking people in Japan
A Study of Macupatide (LY3532226) in Participants With Obesity or Overweight Without Type 2 Diabetes
Where
Fukuoka, Sumida-ku, Toshima City
Age
18 years to 65 years
People
60
Run by
Eli Lilly and Company
See details and how to joinNCT07765511
Phase 2Taking people
A Research Study Comparing How Well Different Doses of the Medicine NNC0519-0130 Can Reduce Kidney Damage in People Living With Chronic Kidney Disease
Where
Aichi, Ibaraki, Kanagawa, Kita-ku, Tokyo, Koriyama-shi, Fukushima, Saitama, Sendai-shi, Miyagi, Siga, Tokyo
Age
18 years and over
People
465 worldwide
Run by
Novo Nordisk A/S
See details and how to joinNCT06717698 · EU 2024-510846-15-00
No phaseTaking people
Osaka Cardiometabolic Epidemiological Study: Ohtori Study Part 2
Where
Sakai
Age
20 years and over
People
2,000
Run by
Osaka Metropolitan University
See details and how to joinNCT06694012