New study reveals how drugs enter breast milk – could change safety advice for nursing moms!

NCT ID NCT07346716

First seen Jan 18, 2026 · Last updated Apr 29, 2026 · Updated 18 times

Summary

This study looks at how medicines taken by breastfeeding women get into their breast milk and whether they might affect the baby. Researchers will collect milk and urine samples from 250 women already using prescription or over-the-counter drugs. The goal is to provide better safety information for doctors and mothers about taking medication while nursing.

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Contacts and locations

Study contacts

  • Contact

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

  • Contact

    Email: •••••@•••••

Locations

  • Department of Clinical Pharmacology

    RECRUITING

    Copenhagen, Denmark

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

    Contact Email: •••••@•••••

  • Department of Obstetrics and Gynecology, Herlev Hospital

    RECRUITING

    Herlev, Denmark

  • Mental health services, Capital Region of Denmark

    RECRUITING

    Copenhagen, Denmark

Conditions

Explore the condition pages connected to this study.