Could a methadone derivative ease restless legs?

NCT ID NCT04145674

First seen Mar 18, 2026 · Last updated May 15, 2026 · Updated 5 times

Summary

This study tests a drug called d-methadone in 50 people with moderate to very severe restless legs syndrome (RLS). Participants take the drug or a placebo daily for 30 days. The goal is to see if it reduces RLS symptoms and improves sleep quality.

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Contacts and locations

Locations

  • Neurologie / Schlaflabor Kantonsspital Graubünden

    Chur, 7000, Switzerland

  • Schlaf-Wach-Epilepsie Zentrum, Inselspital

    Bern, Switzerland

  • Sleep Center, IRCCS San Raffaele

    Milan, Italy

  • Sleep Center, Neurocenter of Southern Switzerland

    Lugano, 6900, Switzerland

Conditions

Explore the condition pages connected to this study.