New obesity drug AZD1043 enters first human tests
NCT ID NCT07511205
First seen Jun 24, 2026 · Last updated Sep 10, 2026 · Updated 5 times
Summary
This early-stage trial tests a new drug called AZD1043 in 104 healthy adults who are overweight or obese. The goal is to check the drug's safety and how the body processes it. Participants receive either the drug or a placebo by injection. The study includes people of Japanese and Chinese descent to see if there are differences.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- AZD1043
- What this could lead to
- If successful, this could lead to a new weight-control medication for people with obesity.
- What could go wrong
- This is an early Phase 1 trial with only 104 healthy volunteers, so safety and effectiveness are not yet proven. The drug may not work or could have side effects.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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About 104 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2026
- Expected to finish
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Nov 2027
An estimate. End dates often move.
- 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 to 65 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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: * All females must have a negative pregnancy test at the Screening Visit and on admission to the Clinical Unit. * Females of non-childbearing potential must be confirmed as postmenopausal or have documentation of irreversible surgical sterilization by hysterectomy, bilateral oophorectomy, or bilateral salpingectomy. * Have a body mass index between 25 and 39.9 kg/m2 (Global cohorts \[Parts A1 and B1\]), or 23 and 39.9 kg/m2 (Japanese \[Parts A2 and B2\] and Chinese \[Part A3\] cohorts) inclusive and weigh at least 50 kg. * For the Parts A2 and B2, participants should be Japanese (natives of Japan or Japanese Americans), having both parents and 4 grandparents who are Japanese. This includes healthy second and third generation participants of Japanese descent whose parents or grandparents are living in a country other than Japan. * For the Part A3, participants should be Chinese defined as having both parents and 4 grandparents who are ethnically Chinese. This includes second and third generation Chinese whose parents or grandparents are living in a country other than China. Exclusion Criteria: * History of any clinically important disease or disorder. * History or presence of gastrointestinal, hepatic, or renal disease or any other condition known to interfere with absorption, distribution, metabolism, or excretion of drugs. * Any clinically important illness, medical/surgical procedure, or trauma within 4 weeks of the first administration of study intervention. * Any clinically important abnormalities in laboratory values, clinical chemistry, hematology, urinalysis results, or vital signs. * History of severe allergy/hypersensitivity or ongoing clinically important allergy/hypersensitivity to drugs of a similar class to AZD1043. * Has received prescription, non-prescription, or experimental medications for weight loss within 3 months prior to the Screening Visit. * History of psychosis or bipolar disorder or major depressive disorder within the past 2 years with the participant being clinically unstable.
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
3 sites in 2 countries. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Research Site
RECRUITINGGlendale, California, 91206, United States
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Research Site
NOT_YET_RECRUITINGBrooklyn, Maryland, 21225, United States
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Research Site
NOT_YET_RECRUITINGHarrow, HA1 3UJ, United Kingdom
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