New drug shows promise for long-term immune deficiency treatment

NCT ID NCT05513586

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study checked the long-term safety of TAK-771 in 15 Japanese patients with primary immunodeficiency disease (PID). Participants received TAK-771 injections for up to 3 years. The main goal was to monitor side effects and immune reactions. The study is now complete.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

TAK-771 (immune globulin with hyaluronidase)

What this could lead to

If successful, this could confirm that TAK-771 is safe for long-term use in managing primary immunodeficiency diseases.

What could go wrong

This is a small, open-label extension study with only 15 participants, so results may not apply to all patients. Side effects are still possible.

Disclaimer Read more

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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Conditions

The condition(s) this trial relates to.

inborn error of immunity Primary Immunodeficiency Diseases

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Gifu University Hospital

    Gifu, Japan

  • Hiroshima University Hospital

    Hiroshima, Japan

  • Hospital of University of Occupational and Environmental Health

    Kitakyushu, Fukuoka, Japan

  • Kanagawa Children's Medical Center

    Yokohama, Kanagawa, Japan

  • Kyushu University Hospital

    Fukuoka, Japan

  • Nagoya University Hospital

    Nagoya, Aichi-ken, Japan

  • Saitama Prefectual Children's Medical Center

    Saitama, Japan

  • Shizuoka Childrens Hospital

    Shizuoka, Japan

  • Tokyo Medical Dental University Hospital

    Bunkyo-ku, Tokyo, Japan