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New hope for low platelets: avatrombopag tested in japanese ITP patients

NCT ID NCT05369208

Completed Disease control Sponsor: Sobi, Inc. Source: ClinicalTrials.gov ↗

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

Summary

This study tested a drug called avatrombopag in 19 Japanese adults with chronic immune thrombocytopenia (ITP), a condition where the immune system destroys platelets, raising bleeding risk. The goal was to see if the drug could safely increase platelet counts over 26 weeks. Participants had low platelet counts and had not responded well to prior treatments.

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Conditions

The condition(s) this trial relates to.

autoimmune thrombocytopenic purpura Purpura, Thrombocytopenic, Idiopathic thrombocytopenia due to immune destruction

As listed by the trial registrant

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

IMMUNE THROMBOCYTOPENIA

Contacts and locations

Locations

  • Sobi Site 101

    Shiwa-gun, Iwata, 028-3695, Japan

  • Sobi Site 102

    Chuo-shi, Yamanashi, 409-3898, Japan

  • Sobi Site 103

    Bunkyō City, Toyko, 113-8603, Japan

  • Sobi Site 104

    Hachiōji-shi, Tokyo, 192-0032, Japan

  • Sobi Site 105

    Toyohashi, Aichi-ken, 441-8570, Japan

  • Sobi Site 106

    Suita, Osaka, 565-0871, Japan

  • Sobi Site 107

    Hirakata, Osaka, 573-1191, Japan

  • Sobi Site 108

    Kobe, Hyōgo, 650-0047, Japan

  • Sobi Site 109

    Hiroshima, Hiroshima, 730-0052, Japan

  • Sobi Site 110

    Tōon, Ehime, 791-0295, Japan

  • Sobi Site 111

    Fujisawa, Kanagawa, 251-8550, Japan

  • Sobi Site 112

    Kofu, Yamanashi, 400-8506, Japan

  • Sobi Site 113

    Kanazawa, Ishikawa-ken, 920-8650, Japan

  • Sobi Site 114

    Gifu, Gifu, 500-8513, Japan

  • Sobi Site 115

    Fukuyama-shi, Hiroshima, 720-2121, Japan

  • Sobi Site 116

    Kitakyushu, Fukuoka, 802-8555, Japan

  • Sobi Site 117

    Kurume, Fukuoka, 830-8543, Japan

  • Sobi Site 118

    Iizuka-shi, Fukuoka, 820-8505, Japan

  • Sobi Site 119

    Kumamoto, Kumamoto, 862-8655, Japan

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