Migraine drug eptinezumab tested for Long-Term safety in japanese patients

NCT ID NCT05064371

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

Summary

This study looked at the long-term safety of eptinezumab, a drug given by IV infusion to prevent migraines. It included 160 Japanese patients who had already completed a previous study. The main goal was to see if the drug is safe and tolerable over 60 weeks of treatment.

What this could mean

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

Active substance

eptinezumab

What this could lead to

If successful, this could confirm that eptinezumab is safe for long-term use to prevent migraines, offering a reliable treatment option.

What could go wrong

This is an extension study focused on safety, not on proving how well it works. It is also limited to Japanese participants, so results may not apply to everyone.

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.

migraine disorder

As listed by the trial registrant

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

Contacts and locations

Locations

  • Atsuchi Neurosurgery Hospital

    Kagoshima, Kagoshima-ken, 892-0842, Japan

  • DOI Clinic Internal Medicine

    Hiroshima-Shi Naka-Ku, Hiroshima, 730-0031, Japan

  • Dokkyo Medical University Hospital

    Mibu-machi, 321-0293, Japan

  • Ikeda Neurosurgical Clinic

    Kasuga-Shi, Hukuoka, 816-0824, Japan

  • Iwate Medical University Uchimaru Medical Center

    Morioka, Iwate, 020-0023, Japan

  • Japanese Red Cross Shizuoka Hospital

    Shizuoka, 420-0853, Japan

  • Jinnouchi Neurosurgery Clinic

    Kasuga-Shi, Hukuoka, 816-0802, Japan

  • Mito Kyodo General Hospital

    Mito, Ibaraki, 310-0015, Japan

  • Moriyama Neurological Center Hospital

    Edogawa-Ku, Tokyo, 134-0085, Japan

  • Nagamitsu Clinic

    Hofu-Shi, Yamaguchi, 747-0802, Japan

  • Saitama Neuropsychiatric Institute

    Saitama-Shi, Saitama, 338-8577, Japan

  • Sendai Headache and Cranial Nerves Clinic

    Sendai-Shi Taihaku-Ku, Miyagi, 982-0014, Japan

  • Shin Matsudakai Atago Hospital

    Kochi, Kôti, 780-0051, Japan

  • Tatsuoka Neurology Clinic

    Kyoto Shimojo-ku, 680-8811, Japan

  • Tokyo headache clinic

    Shibuya-Ku, Tokyo, 151-0051, Japan

  • Tominaga Hospital

    Osaka, Ã"saka, 556-0017, Japan

  • Toyota Memorial Hospital

    Toyota-shi, 471-8513, Japan