New weight loss shot tested in humans for first time
NCT ID NCT06737536
First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time
Summary
This study tested a new medicine called NNC0662-0419 in 100 adults who are overweight or obese. The main goal was to check if the drug is safe and how the body handles it. Participants received either the drug or a placebo as a weekly injection under the skin. This is the first time this medicine has been given to people.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- NNC0662-0419
- What this could lead to
- If this early trial shows the drug is safe, it could lead to a new weekly injection for weight management.
- What could go wrong
- This is a very early Phase 1 study with only 100 people. Many drugs fail at this stage, and it will take years to know if it works for weight loss.
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
-
Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
-
100 people
The number who actually took part.
- Started
-
Dec 2024
- Finished
-
Jul 2025
- Lead sponsor
-
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
-
19 to 55 years
- Sex
-
Anyone
- Healthy volunteers
-
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: * Male or female (sex at birth) * Aged 19-55 years (both inclusive) at the time of signing the informed consent. * Body mass index (BMI) between 27.0 and 39.9 kilogram per square meter (kg/m\^2) (both inclusive) at screening. Overweight should be due to excess adipose tissue, as judged by the investigator. * Considered eligible based on the medical history, physical examination, and the results of vital signs, electrocardiogram and clinical laboratory tests performed during the screening visit, as judged by the investigator. Exclusion Criteria: * Known or suspected hypersensitivity to study intervention(s) or related products. * Any disorder, unwillingness or inability which in the investigator's opinion might jeopardise participant's safety or compliance with the protocol. * 2nd or 3rd degree atrioventricular-block, prolongation of the QRS complex over 120 milliseconds (ms), or of the corrected QT interval by Fridericia (QTcF) calculation over 450 ms (females) or 430 ms (males), or any other clinically significant abnormal ECG results as judged by the investigator, at screening. * Glycated haemoglobin (HbA1c) greater than or equal to (\>=) 6.5 percent (%) (48 millimoles per mole \[mmol/mol\]) at screening. * Calcitonin \>= 50 nanogram per liter (ng/L) at screening
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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
-
Celerion, Lincoln
Lincoln, Nebraska, 68502, United States
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