New hope for rare fat disorder: experimental drug mibavademab under safety review

NCT ID NCT06548100

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests the safety of switching from the current drug metreleptin to a new experimental drug called mibavademab in people with generalized lipodystrophy, a rare condition where the body cannot properly store fat. Nine participants who have been stable on metreleptin will receive mibavademab and be monitored for side effects, blood levels, and how their body responds. The goal is to see if this new drug is a safe alternative.

What this could mean

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

Active substance

mibavademab (also called REGN4461), a leptin receptor agonist antibody

What this could lead to

If successful, mibavademab could offer a new treatment option for generalized lipodystrophy, potentially replacing the current therapy metreleptin.

What could go wrong

This is a very small early-phase safety study with only 9 participants, so results may not apply to everyone. The drug may cause side effects or not work as well as the current treatment.

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.

diabetes mellitus familial partial lipodystrophy generalized lipodystrophy hypertriglyceridemia Insulin Resistance Lipodystrophy, Congenital Generalized morbid obesity

As listed by the trial registrant

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

Contacts and locations

Locations

  • National Institutes of Health

    Bethesda, Maryland, 20892, United States

  • University of Michigan

    Ann Arbor, Michigan, 48109, United States