New depression drug SPT-300 moves to safety check in extension study

NCT ID NCT07161700

First seen Nov 01, 2025 · Last updated Apr 29, 2026 · Updated 30 times

Summary

This study is for adults with major depressive disorder who have already completed a previous trial of SPT-300. It will test the safety of taking the drug for another 6 weeks. Researchers will monitor side effects and other health measures. The goal is to see if the drug is safe to use longer-term.

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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

Locations

  • Seaport Investigator Site

    Chino, California, 91710, United States

  • Seaport Investigator Site

    Garden Grove, California, 92845-2506, United States

  • Seaport Investigator Site

    Glendale, California, 91206, United States

  • Seaport Investigator Site

    West Palm Beach, Florida, 33407, United States

  • Seaport Investigator Site

    Atlanta, Georgia, 30328, United States

  • Seaport Investigator Site

    Decatur, Georgia, 30030, United States

  • Seaport Investigator Site

    Boston, Massachusetts, 02116, United States

  • Seaport Investigator Site

    St Louis, Missouri, 63141, United States

  • Seaport Investigator Site

    Brooklyn, New York, 11235, United States

  • Seaport Investigator Site

    New York, New York, 10029, United States

  • Seaport Investigator Site

    Staten Island, New York, 10314, United States

  • Seaport Investigator Site

    North Canton, Ohio, 44720, United States

  • Seaport Investigator Site

    Irving, Texas, 75062, United States

  • Seaport Investigator Site

    Plovdiv, 4004, Bulgaria

  • Seaport Investigator Site

    Sofia, 1000, Bulgaria

  • Seaport Investigator Site

    Brno, 602 00, Czechia

  • Seaport Investigator Site

    Prague, 100 00, Czechia

  • Seaport Investigator Site

    Prague, 186 00, Czechia

  • Seaport Investigator Site

    Schwerin, Mecklenburg-Vorpommern, 19053, Germany

  • Seaport Investigator Site

    Chemnitz, 09111, Germany

  • Seaport Investigator Site

    Bialystok, 15-404, Poland

  • Seaport Investigator Site

    Bialystok, 15-464, Poland

  • Seaport Investigator Site

    Bydgoszcz, 85-080, Poland

  • Seaport Investigator Site

    Gdansk, 80-438, Poland

  • Seaport Investigator Site

    Leszno, 64-100, Poland

  • Seaport Investigator Site

    Poznan, 60-744, Poland

  • Seaport Investigator Site

    Tuszyn, 95-080, Poland

  • Seaport Investigator Site

    Rimavská Sobota, 979 01, Slovakia

  • Seaport Investigator Site

    Vranov nad Topľou, 09301, Slovakia

Conditions

Explore the condition pages connected to this study.