New obesity drug shows promise in japanese trial
NCT ID NCT06176365
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested a new medicine called survodutide for weight loss in 274 Japanese adults with obesity and related health problems like diabetes or high blood pressure. Participants received weekly injections of survodutide or a placebo for about 1.5 years, along with diet and exercise advice. The main goals were to see how much weight they lost and if at least 5% of body weight was reduced.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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274 people
The number who actually took part.
- Started
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Jan 2024
- Finished
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Dec 2025
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion criteria: 1. Male or female, age ≥18 years at the time of signing informed consent 2. Body Mass Index (BMI) * ≥35 kg/m² at screening with the presence of at least one obesity-related comorbidities (treated or untreated) according to the Japan Society for the Study of Obesity (JASSO) guideline OR * BMI ≥27 kg/m² at screening with the presence of at least two obesity-related comorbidities (treated or untreated) according to the JASSO guideline For all trial patients, at least one co-morbidity should be the following (i)-(iii). i. Type 2 diabetes mellitus (T2DM) * Diagnosed with T2DM (defined as Glycosylated haemoglobin A1c (HbA1c) ≥6.5% \[≥48 mmol/mol\]) at least 180 days prior to screening * HbA1c ≥6.5% (48 mmol/mol) and \<10% (86 mmol/mol) as measured by the central laboratory at screening * Currently treated with either: diet and exercise alone or stable treatment (for at least 3 months prior to screening) with metformin, SGLT-2i, acarbose, sulfonylurea, or glitazone as single agent therapy, or up to 3 antihyperglycaemia medications (metformin, SGLT-2i, acarbose, sulfonylurea, or glitazone) according to local label ii. Hypertension iii. Dyslipidaemia 3. History of at least one self-reported unsuccessful dietary effort to lose body weight 4. Signed and dated written informed consent in accordance with ICH-GCP and local legislation prior to admission to the trial 5. Woman of childbearing potential (WOCBP) must be ready and able to use highly effective methods of birth control per ICH M3 (R2) that result in a low failure rate of less than 1% per year when used consistently and correctly. A list of contraception methods meeting these criteria and instructions on the duration of their use will be provided in the patient information. 6. In the investigator's opinion, patients are well-motivated, capable, and willing to: * Learn how to self-inject the Investigational medicinal product (IMP), as required for this protocol (persons with physical limitations who are not able to perform the injections must have the assistance of an individual trained to inject the IMP) OR * Inject the IMP or accept injection from a designated person * Follow study procedures for the duration of the study, including, but not limited to: follow lifestyle advice (for example, dietary restrictions and exercise and exercise plan), maintain a diary, and complete required questionnaires, and handle the IMP as described in the instructions for use (IFU) Exclusion criteria: Obesity: 1. Body weight change (self-reported) \>5% within 3 months before screening 2. Treatment with any medication for the indication obesity within 3 months before screening 3. Previous or planned (during the trial period) treatment for obesity with surgery or a weight loss device, or prior surgery of the gastrointestinal (GI) tract that could interfere with body weight The following are allowed: (1) liposuction and/or abdominoplasty, if performed \>1 year before screening, (2) lap banding, if the band has been removed \>1 year before screening, (3) intragastric balloon, if the balloon has been removed \>1 year before screening, (4) duodenal-jejunal bypass sleeve, if the sleeve has been removed \>1 year before screening, (5) appendectomy, (6) simple hernia repair, or (7) cholecystectomy. 4. Have obesity induced by other endocrinologic disorders (i.e. Cushing Syndrome) or diagnosed monogenetic or syndromic forms of obesity (i.e. melanocortin 4 receptor deficiency, leptin deficiency, or Prader Willi Syndrome) Glycaemia: For trial patients without T2DM: 5. History of T1DM or T2DM or treatment with glucose lowering agent started within 3 months before screening For trial patients with T2DM: 6. History of T1DM 7. Treatment with any medication for the indication of T2DM other than stated in the inclusion criteria within 3 months before screening (i.e. insulin, amylin analogues, GLP-1R agonists, GLP-1R agonist/insulin/GIP combinations, and DPP-4i) 8. New initiation of any other glucose-lowering investigational drug within 3 months prior to screening for this trial Further exclusion criteria apply.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Chiba University Hospital
Chiba, Chiba, 260-8677, Japan
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Clinical Research Hospital Tokyo
Tokyo, Shinjuku-ku, 160-0004, Japan
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Dojinkinenkai Meiwa Hospital
Tokyo, Chiyoda-ku, 101-0041, Japan
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Fukuwa Clinic
Tokyo, Chuo-ku, 104-0031, Japan
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Gifu University Hospital
Gifu, Gifu, 501-1194, Japan
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HS Clinic
Tokyo, Shinjuku-ku, 169-0072, Japan
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Hosokawa Surgery Clinic
Aichi, Nagoya, 453-0812, Japan
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Ijinkai Takeda General Hospital
Kyoto, Kyoto, 601-1495, Japan
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Ikebukuro Metropolitan Clinic
Tokyo, Toshima-ku, 171-0021, Japan
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Jiyugaoka Yamada Clinic
Hokkaido, Obihiro, 080-0848, Japan
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Kobe University Hospital
Hyogo, Kobe, 650-0017, Japan
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Medical Corporation KEISEIKAI Kajiyama Clinic
Kyoto, Kyoto, 600-8898, Japan
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Morinagaueno Clinic
Kumamoto, Kumamoto, 860-0863, Japan
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Motomachi Takatsuka Naika Clinic
Kanagawa, Yokohama, 231-0023, Japan
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Nagoya City University Hospital
Aichi, Nagoya, 467-8602, Japan
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New Medical Research System Clinic
Tokyo, Hachioji, 192-0046, Japan
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OCROM Clinic
Osaka, Suita, 565-0853, Japan
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Osaka Metropolitan University Hospital
Osaka, Osaka, 545-8586, Japan
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Saino Clinic
Saitama, Tokorozawa, 359-1141, Japan
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Shimamura Kinen Hospital
Tokyo, Nerima-ku, 177-0051, Japan
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Shinei Medical Healthcare Clinic
Tokyo, Suginami-ku, 166-0003, Japan
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Suidoubashi Medical Clinic
Tokyo, Chiyoda-ku, 101-0065, Japan
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ToCROM Clinic
Tokyo, Shinjyuku-ku, 160-0008, Japan
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Tokyo Asbo Clinic
Tokyo, Chuo-ku, 104-0031, Japan
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Tokyo Center Clinic
Tokyo, Chuo-ku, 103-0028, Japan
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Tokyo-Eki Center-building Clinic
Tokyo, Chuo-ku, 103-0027, Japan
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Yamasaki Family Clinic
Hyogo, Amagasaki, 660-0861, Japan
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Yoshimura Clinic
Kumamoto, Kumamoto, 861-8039, Japan
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