New obesity drug may affect birth control: study underway

NCT ID NCT07525791

First seen Apr 16, 2026 · Last updated Jun 19, 2026 · Updated 13 times

Summary

This early-stage study is testing whether a new weekly injection called NNC0662-0419 changes how birth control pills and a common painkiller work in the body. Researchers will measure drug levels in the blood and stomach emptying in 45 women who cannot become pregnant and have overweight or obesity. The goal is to see if the new drug is safe to take with these other medicines.

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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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Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Altasciences Clinical Kansas, Inc.

    RECRUITING

    Overland Park, Kansas, 66212, United States

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 successful, this study could show that NNC0662-0419 is safe to use with birth control pills, helping women with overweight or obesity avoid unintended pregnancies.

What could go wrong

This is an early Phase 1 trial with only 45 participants, so results may not apply to everyone. The study focuses on drug interactions, not weight loss or other benefits.

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.