New obesity drug AMG 133 enters human testing

NCT ID NCT06976372

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This completed Phase 1 trial tested an experimental drug called AMG 133 in 120 adults with overweight or obesity. Participants received multiple doses of the drug or a placebo to see how the body processes it and to check for safety issues. The study did not aim to measure weight loss directly, but to gather important information for future research.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

AMG 133 (an experimental drug given as a shot under the skin)

What this could lead to

If successful, this could lead to a new weight-loss medication for people with overweight or obesity.

What could go wrong

This is an early Phase 1 study focused on drug levels and safety, not weight loss. The drug may cause side effects or not work as hoped in later trials.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder Overweight

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • CenExel

    Anaheim, California, 92801, United States

  • CenExel Collaborative Neuroscience Research, LLC Los Alamitos

    Los Alamitos, California, 90720, United States

  • Fortrea Clinical Research Unit - Dallas

    Dallas, Texas, 75247, United States