New injection could help heal scarred vocal cords and restore voice

NCT ID NCT05627648

First seen Jan 06, 2026 · Last updated May 14, 2026 · Updated 21 times

Summary

This study tests an injection called KP-100LI for people with vocal fold scar or sulcus, which can cause hoarseness or voice problems. About 62 adults will receive either the drug or a placebo to see if it improves voice function over 24 weeks. The goal is to confirm whether this treatment is safe and effective for easing symptoms.

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Contacts and locations

Study contacts

  • Contact

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

  • Contact

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

Locations

  • Fujita Health University Hospital

    RECRUITING

    Toyoake, Aichi-ken, 470-1192, Japan

  • Fukuoka Sanno Hospital

    RECRUITING

    Fukuoka, Fukuoka, 814-0001, Japan

  • Kawasaki Medical School Hospital

    RECRUITING

    Kurashiki, Okayama-ken, 701-0192, Japan

  • Kurume University Hospital

    RECRUITING

    Kurume, Fukuoka, 830-0011, Japan

  • Nihon University Hospital

    RECRUITING

    Chiyoda-ku, Tokyo, 101-8309, Japan

  • Sanno Medical Center

    RECRUITING

    Minato-Ku, Tokyo, 107-0052, Japan

  • Tohoku University Hospital

    RECRUITING

    Sendai, Miyagi, 980-8574, Japan

  • University Hospital Kyoto Prefectural University of Medicine

    RECRUITING

    Kamigyō-ku, Kyoto, 602-8566, Japan

Conditions

Explore the condition pages connected to this study.