Fact CheckerSign in

Obesity: open trials in Japan

35 open trials have a site in Japan. Registry data; only the trial team decides who can take part.

  • NCT07595549

    A Study to Learn About the Study Medicine Called Berobenatide (PF-08653944) in People With Overweight or Obesity

    Trial Treatment · Phase 3 · Pfizer

    Tokyo Center Clinic, Chuo-ku · Tokyo-Eki Center-building Clinic, Chuo-ku · Fukuwa Clinic, Chuo-ku · Medical Corporation Heishinkai ToCROM Clinic, Shinjuku-ku · Medical Corporation Heishinkai OCROM Clinic, Suita

    Registry updated 2026-11-05

  • NCT07794579

    A Study of Orforglipron in Participants With Overweight at Risk of Development of Obesity-Related Complications or Progression to Class 1 Obesity

    Trial Treatment · Phase 3 · Eli Lilly and Company

    Tokyo Asbo Clinic, Chūōku · Nihonbashi Sakura Clinic, Chūōku · Medical Corporation Heishinkai OCROM Clinic, Suita-shi · Tsuchiura Medical & Health Care Center, Tsuchiura

    Registry updated 2026-11-05

  • NCT06672549

    A Platform Trial for Pediatric Participants With Obesity or Overweight (LY900040)

    Trial Treatment · Phase 3 · Eli Lilly and Company

    Saitama Medical University Hospital, Iruma-gun · Isesaki Municipal Hospital, Isesaki-shi · University Hospital Kyoto Prefectural University of Medicine, Kyoto · Tokyo Medical Center, Meguro-Ku · Shiga General Hospital, Moriyama · Nara Prefecture General Medical Center, Nara · Osaka City General Hospital, Osaka · Sagaekiminami Clinic, Saga · Shikoku Medical Center for Children and Adults, Zentsujichó

    Registry updated 2026-11-04

  • NCT06672939

    A Study of Orforglipron (LY3502970) in Adolescent Participants With Obesity, or Overweight With Related Comorbidities

    Trial Treatment · Phase 3 · Eli Lilly and Company

    Saitama Medical University Hospital, Iruma-gun · Isesaki Municipal Hospital, Isesaki-shi · University Hospital,Kyoto Prefectural University of Medicine, Kawaramachidori, Kamigyo-ku, Kyoto-city · Tokyo Medical Center, Meguro-Ku · Shiga General Hospital, Moriyama · Nara Prefecture General Medical Center, Nara · Osaka City General Hospital, Osaka · Sagaekiminami Clinic, Saga · Shikoku Medical Center for Children and Adults, Zentsujichó

    Registry updated 2026-11-04

  • NCT07202884

    A Study of Orforglipron in Female Participants With Stress Urinary Incontinence Who Have Obesity or Overweight

    Trial Treatment · Phase 3 · Eli Lilly and Company

    Hasegawa Hospital - Arakawa, Arakawa City · Takasu Nephrology and Urology Clinic, Chiba · Yotsuya Medical Cube, Chiyoda City · St. Luke's International Hospital, Chūōku · Mito Medical Center, Higashiibaraki · Kokura Memorial Hospital, Kitakyushu · Touyu Clinic, Matsudo · Tokyo Saiseikai Central Hospital, Minatoku · Koujunkai Daido Clinic, Nagoya · Women's Clinic LUNA NEXT STAGE, Naka-ku, Yokohama-Shi · Chiba Saiseikai Narashino hospital, Narashino · Nakazawa Nephrology and Urology Clinic, Nonoichi · Miyabi Urogyne Clinic, Okayama · Nakatsu Hospital, Osaka · Yukigaya Urology Clinic, Ōta-ku · Kashiwazaki Obstetrics and Gynecology Clinic, Saitama-shi · Izumi Chuo Hospital, Sendai · Nihon University Itabashi Hospital, tabashi City · Toride Urology Clinic, Toride · Tsukuba Urocare Clinic, Tsukuba

    Registry updated 2026-11-04

  • NCT07282600

    A Study of Eloralintide (LY3841136) in Participants With Obesity or Overweight, and Type 2 Diabetes

    Trial Treatment · Phase 3 · Eli Lilly and Company

    Hayashi Diabetes Internal Medicine Clinic, Chigasaki · Tokyo-Eki Center-building Clinic, Chūōku · Shonan Takai Clinic, Kamakura · Oishi Clinic, Kasuya-gun · OHAMA Diabetes Clinic, Kawaguchi · Higashijujo Sakai Diabetes Internal Medicine Clinic, Kita-ku · Tokuyama Clinic, Mihama-ku,Chiba City · Shinkenko clinic, Naha · Oyama East Clinic, Oyama · Shimokitazawa Tomo Clinic, Setagaya-ku · Soka Sugiura Internal Medicine Clinic, Sōka · Tsuchiura Beryl Clinic, Tsuchiura · Tsuchiura Medical & Health Care Center, Tsuchiura · Nagase Diabetes Clinic, Ushiku · Yokohama Minoru Clinic, Yokohama

    Registry updated 2026-11-04

  • NCT07353931

    Efficacy and Safety of Eloralintide (LY3841136) in Participants With Osteoarthritis Knee Pain and Obesity or Overweight

    Trial Treatment · Phase 3 · Eli Lilly and Company

    National Hospital Organization Chiba Medical Center, Chiba · Tokyo-Eki Center-building Clinic, Chūōku · Tokyo Asbo Clinic, Chūōku · Shin Komonji Hospital, Kitakyushu-Shi · Goto Orthopedic Surgery Clinic, Miyazaki · Komagidai Clinic, Nagareyama · Fujigaki Clinic, Ōita · Saitama City Hospital, Saitama · Ibaraki Seinan Medical Center Hospital, Sashima · Ogura Orthopedics Surgery, Sendai · Katsura Garden Orthopedics, Sendai · Ooimachi Orthopedic Surgery and surgery Clinic, Shinagawa-ku Tokyo · Masumoto Orthopedics Clinic, Suginami City · National Hospital Organization Toyohashi Medical Center, Toyohashi · Yamagata Tokushukai Hospital, Yamagata

    Registry updated 2026-11-04

  • NCT07369011

    A Study of Eloralintide (LY3841136) in Participants With Obstructive Sleep Apnea and Obesity or Overweight

    Trial Treatment · Phase 3 · Eli Lilly and Company

    Juntendo University Hospital, Bunkyō City · Fukuoka University Hospital, Fukuoka · Social Medical Corporation Sokujinkai Sleep and Mental Health Clinic - Kitahiroshima, Kitahiroshima · Kirigaokatsuda Hospital, Kitakyushu · Toranomon Hospital, Minatoku · Osaka Kaisei Hospital, Osaka · KKR Sapporo Medical Center, Sapporo · Yoyogi Sleep Disorder Center, Shibuya-ku · Nakamura Clinic, Urasoe · RESM Respiratory and Sleep Medical Care Clinic, Yokohama

    Registry updated 2026-11-04

  • NCT07392190

    A Study of Eloralintide (LY3841136) in Participants With Persistent Obesity Who Are Treated With a Weekly Incretin

    Trial Treatment · Phase 3 · Eli Lilly and Company

    The Institute of Medical Science, Asahi Life Foundation, Chūōku · Rinku General Medical Center, Izumisano · Kanto Rosai Hospital, Kawasaki · Kimitsu Chuo Hospital, Kisarazu · Kure Medical Center, Kure · Takeda General Hospital - Kyoto, Kyoto · Mikannohana Clinic, Diabetes, Endocrinology and Metabolism, Matsuyama · Kansai Electric Power Hospital, Osaka · Manda Memorial Hospital, Sapporo · Shimonoseki Medical Center, Shimonoseki · Japanese Red Cross Society - Wakayama Medical Center, Wakayama

    Registry updated 2026-11-04

  • NCT07881458

    A Study of EloraTZP in Adult Participants With Obesity or Overweight and Type 2 Diabetes

    Trial Treatment · Phase 3 · Eli Lilly and Company

    Medical Corporation Chiseikai Tokyo Center Clinic, Chūōku · Tokyo Asbo Clinic, Chūōku · Chiba Saiseikai Narashino hospital, Narashino · Soka Sugiura Internal Medicine Clinic, Sōka · Tsuchiura Beryl Clinic, Tsuchiura

    Registry updated 2026-11-04

  • NCT07783802

    A Study of Clazakizumab (LY5724886) in Adults With Elevated hsCRP and at Increased Risk for Cardiovascular Event

    Trial Treatment · Phase 2 · Eli Lilly and Company

    Minamino Cardiovascular Hospital, Hachiōji · Takai Internal Medicine Clinic, Kamakura-shi · Nakakinen clinic, Naka · International University of Health and Welfare Narita Hospital, Narita

    Registry updated 2026-11-03

  • NCT07881432

    A Study of EloraTZP in Adult Participants With Obesity Without Type 2 Diabetes

    Trial Treatment · Phase 3 · Eli Lilly and Company

    Yotsuya Medical Cube, Chiyoda City · Medical Corporation Chiseikai Tokyo Center Clinic, Chūōku · Nihonbashi Sakura Clinic, Chūōku · Tokyo Asbo Clinic, Chūōku · Mizonokuchi Okamoto Clinic, Kawasaki · aSBo Medical Clinic, Kin-cho, Kunigami-gun · Shimamura Memorial Hospital, Nerima-ku · MY Medical Clinic - Shinjuku, Shinjuku · Clinical Research Hospital Tokyo, Shinjuku-ku · Urasoe General Hospital, Urasoe

    Registry updated 2026-11-03

  • NCT07900633

    A Study of Eloralintide (LY3841136) in Participants With Obesity or Overweight, Type 2 Diabetes, and Increased Cardiovascular Risk

    Trial Treatment · Phase 3 · Eli Lilly and Company

    NewHeart Watanabe Institute, Hamadayama, Suginami-ku · Hyogo Prefectural Harima-Himeji General Medical Center, Himeji · Kimitsu Chuo Hospital, Kisarazu · Seino Internal Medicine Clinic, Kōriyama · Jinnouchi Hospital, Kumamoto · St. Mary's Hospital, Kurume · Medical Research Institute KITANO HOSPITAL,PIIF Tazuke-Kofukai, Osaka · Yasuda Diabetes Clinic, Osaka · Yotsuya Internal Medicine Clinic, Shinjyuku · Uji-Tokushukai Medical Center, Uji

    Registry updated 2026-11-03

  • NCT07784725

    A Study to Evaluate Effect of AZD6234 in Adult Participants With Obesity or Overweight With Weight-related Comorbidity Without Type 2 Diabetes Mellitus

    Trial Treatment · Phase 3 · AstraZeneca

    Chūōku · Fukuoka · Hachioji-shi · Osaka · Shibuya-ku · Takatsuki-shi

    Registry updated 2026-10-30

  • NCT07037459

    Maridebart Cafraglutide in Heart Failure With Preserved or Mildly Reduced Ejection Fraction and Obesity

    Trial Treatment · Phase 3 · Amgen

    Akaicho Clinic, Chiba · Fujinomiya City General Hospital, Fujinomiya-shi · Fukuoka University Hospital, Fukuoka · Medical Corporation Kenshinkai Minamino Cardiovascular Hospital, Hachioji-shi · Japanese Red Cross Hamamatsu Hospital, Hamamatsu · Affiliated Central Clinic of Higashiyamato Hospital, Higashiyamato-shi · Hyogo Prefectural Harima-Himeji General Medical Center, Himeji-Shi · Tenyoukai Central Clinic, Kagoshima · Ishikawa Prefectural Central Hospital, Kanazawa · North Alps Medical Center Azumi Hospital, Kitaazumi-gun · Kokura Memorial Hospital, Kitakyushu-shi · Kumamoto Kinoh Hospital, Kumamoto · Rakuwakai Otowa Hospital, Kyoto · Niigata University Medical and Dental Hospital, Niigata · Oita Red Cross Hospital, Ōita · Sagamihara Kyodo Hospital, Sagamihara-shi · Miyanosawa Clinic of Internal Medicine and Cardiology, Sapporo · Tokyo Shinagawa Hospital Social Medical Corporation Association Tokyokyojuno-kai, Shinagawa-ku · NewHeart Watanabe Institute, Suginami-ku · Osaka Saiseikai Suita Hospital, Suita-shi · Takamatsu Red Cross Hospital, Takamatsu · Higashi Takarazuka Satoh Hospital, Takarazuka-shi · Fujita Health University Hospital, Toyoake-shi · Sanin Rosai Hospital, Yonago-shi

    Registry updated 2026-10-29

  • NCT07784270

    A Study to Evaluate Effect of AZD6234 in Adult Participants With Type 2 Diabetes Mellitus and Obesity or Overweight

    Trial Treatment · Phase 3 · AstraZeneca

    Aira · Chūōku · Fukuoka · Hachioji-shi · Izunokuni-shi · Kumamoto · Nagoya · Nerima-ku · Osaka · Saga · Sapporo · Shinjuku-ku · Suita-shi · Tanabe-shi

    Registry updated 2026-10-28

  • NCT07061665

    Cities for Better Health Childhood Obesity Prevention Initiative in JAPAN

    Trial Treatment · Chiba University

    Chiba University, Chiba

    Registry updated 2026-10-26

  • NCT07794761

    A Study to Learn About Safety and Effects of Once-weekly Treatment With Berobenatide in Adults With Obesity Disease in Japan (VESPER-JW)

    Trial Treatment · Phase 3 · Pfizer

    Yamasaki Family Clinic, Amagasaki · Tokuyama clinic, Chiba · Doujin Memorial Foundation, Meiwa Hospital, Chiyoda-ku · Fukuwa Clinic, Chuo-ku · AIC Yaesu Clinic, Chuo-ku · Tokyo Center Clinic, Chuo-ku · Tokyo Asbo Clinic, Chuo-ku · Tokyo-Eki Center-building Clinic, Chuo-ku · Medical Corporation Boocs Boocs Clinic Fukuoka, Fukuoka · Tenjin Sogo Clinic, Fukuoka · Keikokai Medical Corporation P-one Clinic, Hachiōji · Hachioji Clinic Shincho, Hachioji-shi · Medical Corp Seikoukai New Medical Research System Clinic, Hachioji-shi · Oishi Clinic, Kasuya-gun · Matsuyama Shimin Hospital, Matsuyama · Mikannohana Clinic, Diabetes, Endocrinology and Metabolism, Matsuyama · Patient First Clinic Ginza-Shimbashi, Minato-ku · Yokoi Clinic, Minoh · Minami Akatsuka Clinic, Mito · Nishiyamado Keiwa Hospital, Naka · Shimamura Memorial Hospital, Nerima-ku · Kanemura Clinic, Osaka-shi Ikuno-ku · Manda Memorial Hospital, Sapporo · Higashi-Shinjuku Clinic, Keikokai Medical Corp., Shinjuku-ku · Seeds Clinic Shinjuku-Sanchome, Eijinkai Medical Corporation, Shinjuku-ku · Medical Corporation Heishinkai ToCROM Clinic, Shinjuku-ku · Soka Sugiura Internal medicine Clinic, Soka-shi · Medical Corporation Heishinkai OCROM Clinic, Suita · Olive Takamatsu Medical Clinic, Takamatsu · Nihonbashi Sakura Clinic, Tokyo · Ikebukuro Metropolitan Clinic, Toshima-ku · MI Clinic, Medical Corporation Jinsenkai, Toyonaka-shi · Medical Corporation Hitomikai Motomachi Takatsuka Naika Clinic, Yokohama

    Registry updated 2026-10-15

  • NCT07351045

    A Clinical Study to Evaluate the Effects of Enicepatide (RO7795068) in Participants With Obesity or Overweight Without Type 2 Diabetes

    Trial Treatment · Phase 3 · Hoffmann-La Roche

    Kasugai Municipal Hospital, Aichi · Fukuhama Chuo Clinic, Fukuoka · NTT Medical Center Sapporo, Hokkaido · Hasegawa Medicine Clinic, Hokkaido · The University of Osaka Hospital, Osaka · The University of Tokyo Hospital, Tokyo · Higashijujo Sakai Diabetes Internal Medicine Clinic, Tokyo

    Registry updated 2026-10-13

  • NCT07351058

    A Clinical Study to Evaluate the Effects of Enicepatide (RO7795068) in Participants With Obesity or Overweight and Type 2 Diabetes

    Trial Treatment · Phase 3 · Hoffmann-La Roche

    Kasugai Municipal Hospital, Aichi · Fukuhama Chuo Clinic, Fukuoka · Hasegawa Medicine Clinic, Hokkaido · NTT Medical Center Sapporo, Hokkaido · The University of Osaka Hospital, Osaka · The University of Tokyo Hospital, Tokyo · Higashijujo Sakai Diabetes Internal Medicine Clinic, Tokyo

    Registry updated 2026-10-13

  • NCT07667803

    A Master Protocol to Investigate Efficacy and Safety of Elecoglipron in Participants With Obesity or Overweight With or Without T2DM

    Trial Treatment · Phase 3 · AstraZeneca

    Amagasaki-shi · Chūōku · Kasugai-shi · Koga-shi · Maebashi · Minatoku · Naka · Shinjuku-ku · Shizuoka · Suita-shi · Toshima-ku · Yamato-shi · Yokohama

    Registry updated 2026-10-13

  • NCT07571109

    AMAZE 4: A Research Study Investigating How Well the Medicine NNC0487-0111 Helps People With Excess Body Weight and Obstructive Sleep Apnoea Treated With Positive Airway Pressure Lose Weight and Improve Sleep Apnoea

    Trial Treatment · Phase 3 · Novo Nordisk A/S

    Fukuoka University Hospital_Respiratory Medicine, Fukuoka · Chatani NeuroSleep Clinic_Neurology, Hiroshima · Kuwamizu Hospital_Internal Medicine, Kumamoto · Nakamura Clinic_Pulmonology, Okinawa · Osaka Kaisei Hospital_Sleep Medical Center, Osaka · KKR Sappro Medical Center_Respiratory Medicine, Sapporo-shi, Hokkaido · Chutoen General Medical Center_Neurology, Shizuoka · Juntendo University Hospital_Cardiovascular Biology And Medicine, Tokyo · Tokyo Tenshi Hospital_Internal medicine, Tokyo · Tokyo-Eki Center-building Clinic_Internal Medicine, Tokyo

    Registry updated 2026-10-07

  • NCT07861100

    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

    Trial Treatment · Phase 3 · Novo Nordisk A/S

    Akaicho Clinic_Internal medicine, Chiba-shi, Chiba · SAKAKIBARA HEART INSTITUTE_Cardiology, Fuchu-shi,Tokyo · St.Mary's Hospital_Cardiology, Fukuoka · Hyogo Prefectural HarimaHimeji General Medical Center_Cardiology, Himeji-shi, Hyogo · Higashi Takarazuka Satoh Hospital_Cardiology, Hyōgo · Nishinomiya Watanabe Cardiovascular Cerebral Center_Cardiovascular Medicine, Hyōgo · Yokohama City University Medical Center_Cardiovascular Center, Kanagawa · Kumamoto University Hospital, Cardiovascular Medicine, Kumamoto-shi, Kumamoto · Japan Red Cross Kyoto Daiichi Hospital_Cardiology, Kyoto-shi, Kyoto · Aizawa Hospital_Cardiovascular Medicine, Matsumoto-shi, Nagano · Ehime Prefectural Central Hospital_Cardiology, Matsuyama-shi, Ehime · Iwate Prefectural Central Hospital_Cardiology, Morioka-shi, Iwate · Kita-Harima Medical Center_Cardiology, Ono-shi Hyogo · Osaka Saiseikai Nakatsu Hospital_Cardiovascular Medicine, Osaka-shi Osaka · Kinugawa Cardiology Clinic_Internal medicine, Cardiology, Osaka-shi, Osaka · Ota Memorial Hospital_Cardiology, Ota-shi, Gunma · NewHeart Watanabe Institute_Cardiology, Suginami-ku, Tokyo · Kagawa Prefectural Central Hospital_Cardiovascular Medicine, Takamatsu-shi, Kagawa · Saino Clinic_Internal Medicine, Tokorozawa-shi,Saitama · Fukuwa Clinic_Internal Medicine, Tokyo · Minamino Cardiovascular Hospital_Cardiovascular medicine, Tokyo · Tokyo-Eki Center-building Clinic_Internal Medicine, Tokyo · Sekino Hospital_Internal Medicine, Toshima-ku,Tokyo · Japanese Red Cross Wakayama Medical Center_Department of Cardiology, Wakayama-shi, Wakayama · Yao Tokushukai General Hospital_Internal medicine, Yao City, Osaka

    Registry updated 2026-10-06

  • NCT07684144

    Extension Trial to Evaluate the Long-term Efficacy, Safety, and Tolerability of Maridebart Cafraglutide (MARITIME-2-EXTENSION)

    Trial Treatment · Phase 3 · Amgen

    Mazda Hospital of Mazda Motor Corporation, Aki-gun · Shiraiwa Medical Clinic, Kashiwara-shi · Morizono Medical Clinic, Kitakyusyu-shi · Morinaga Ueno Clinic, Kumamoto · Mikannohana Clinic, Diabetes, Endocrinology and Metabolism, Matsuyama · Yutenji Medical Clinic, Meguro-ku · Medical Corporation Ouitsukai Kanno Naika, Mitaka-shi · Nakamoto Medical Clinic, Mito · Nakakinen clinic, Naka · Suruga Clinic, Shizuoka · Ohishi Naika Clinic, Tsuchiura-shi

    Registry updated 2026-10-05

  • NCT07684235

    Extension Trial to Evaluate the Long-term Efficacy, Safety, and Tolerability of Maridebart Cafraglutide (MARITIME-1-EXTENSION)

    Trial Treatment · Phase 3 · Amgen

    Doujin Memorial Foundation, Meiwa Hospital, Chiyoda-ku · Tokyo Asbo Clinic, Chuo-ku · Medical Corp Seikoukai New Medical Research System Clinic, Hachioji-shi · Medical Corporation AOT Shinagawa Strings Clinic, Minato-ku · Clinical Research Hospital Tokyo, Shinjuku-ku · Medical Corporation Hanabusakai Shinei Medical Healthcare Clinic, Suginami-ku · Medical Corporation Hitomikai Motomachi Takatsuka Naika Clinic, Yokohama

    Registry updated 2026-10-05

All Obesity trials and the map

This page is not medical advice. Talk to your doctor before contacting a trial.

Obesity trials in Japan – Frontlight Research