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One shot for two viruses: new combo vaccine tested in seniors

NCT ID NCT06694389

Completed ⭐️ VACCINE ⭐️ Sponsor: ModernaTX, Inc. Source: ClinicalTrials.gov ↗

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

Summary

This study tested a new combination vaccine called mRNA-1083 that aims to protect against both COVID-19 and the flu with a single shot. It involved 2,457 healthy adults aged 50 and older in Japan, Taiwan, and South Korea. The main goals were to check how well the vaccine triggers an immune response and to monitor any side effects.

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Conditions

The condition(s) this trial relates to.

COVID-19 prevention target influenza prevention target

As listed by the trial registrant

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

COVID-19 INFLUENZA

Contacts and locations

Locations

  • Ajou University Hospital

    Suwon, 16499, South Korea

  • Chang Gung Medical Foundation - LinKou Chang Gung Memorial Hospital

    Taoyuan, 333, Taiwan

  • Chonnam National University Hospital - Allergology

    Gwangju, 61469, South Korea

  • Clinical Research Tokyo Hospital - Clinical Research Center

    Shinjuku, Tokyo, 160-0004, Japan

  • Daido Clinic

    Nagoya, Aichi-ken, 457-8511, Japan

  • Denenchofu Family Clinic

    Ōta-ku, Tokyo, 145-0071, Japan

  • Dojinkinenkai Meiwa Hospital

    Chiyoda-ku, Tokyo, 101-0041, Japan

  • Fukuoka Heartnet Hospital

    Fukuoka, Fukuoka, 819-0002, Japan

  • Hallym University Kangnam Sacred Heart Hospital

    Seoul, 07441, South Korea

  • Higashi-Shinjuku Clinic - Internal Medicine

    Shinjuku, Tokyo, 169-0072, Japan

  • Hillside Clinic Jingumae

    Shibuya-ku, Tokyo, 150-0001, Japan

  • Inha University Hospital

    Incheon, 22332, South Korea

  • Kaohsiung Medical University - Chung-Ho Memorial Hospital

    Kaohsiung City, 807, Taiwan

  • Kaohsiung Veterans General Hospital

    Kaohsiung City, 813 404, Taiwan

  • Korea University Ansan Hospital

    Ansan-si, 15355, South Korea

  • Korea University Guro Hospital

    Seoul, 08308, South Korea

  • Kuang Tien General Hospital - Dajia

    Taichung, 437, Taiwan

  • Kyungpook National University Hospital - Infectious Diseases

    Daegu, South Korea

  • Medical Coporation of Yamazaki Neurotology, Rhinolaryngology Clinical

    Sapporo, Hokkaido, 060-0011, Japan

  • Medical Corporation Asbo Tokyo Asbo Clinic

    Chuo-ku, Tokyo, 104-0031, Japan

  • Metropolitan Clinic - Internal Medicine

    Toshima-ku, Tokyo, 171-0021, Japan

  • Motomachi Takatsuka Naika Clinic - Internal Medicine

    Yokohama, Kanagawa, 231-0023, Japan

  • National Cheng Kung University Hospital

    Tainan, 704, Taiwan

  • National Taiwan University Hospital

    Taipei, 100, Taiwan

  • New Medical Research System Clinic

    Hachioji-shi, Tokyo, 192-0046, Japan

  • Nihonbashi Sakura Clinic

    Chuo-ku, Tokyo, 103-0025, Japan

  • Nishi-Kumamoto Hospital

    Kumamoto, Kumamoto, 861-4157, Japan

  • PS Clinic - Internal medicine

    Fukuoka, Fukuoka, 812-0025, Japan

  • Public Health Association.Inc.

    Nagoya, Aichi-ken, 453-0804, Japan

  • Sakurajyuji Medical Corporation Medimesse Sakurajyuji Clinic

    Kumamoto, Kumamoto, 860-0833, Japan

  • Sato Hospital

    Osaki-shi, Miyagi, 989-6143, Japan

  • Seishukai Clinic

    Taito-ku, Tokyo, 111-0036, Japan

  • Seoul National University Bundang Hospital

    Seongnam-si, 13620, South Korea

  • Severance Hospital, Yonsei University Health System

    Seoul, 03722, South Korea

  • Shimamura Memorial Hospital

    Nerima City, Tokyo, 177-0051, Japan

  • Shinei Medical Healthcare Clinic

    Suginami, Tokyo, 166-0003, Japan

  • Shinwakai Adachi Kyosai Hospital - Internal Medicine

    Adachi-ku, Tokyo, 120-0022, Japan

  • Souseikai Sumida Hospital

    Sumida-Ku, Tokyo, 130-0004, Japan

  • Taipei Medical University - Taipei Medical University Hospital

    Taipei, 110, Taiwan

  • Tenjin Sogo Clinic

    Fukuoka, Fukuoka, 810-0021, Japan

  • Tokyo center clinic - Internal medicine

    Chuo-ku, Tokyo, 103-0027, Japan

  • Tri-Service General Hospital - Neihu Branch - Infectious Diseases

    Taipei, 114, Taiwan

  • Yokoi Medicine Clinic

    Mino, Osaka, 562-0003, Japan

  • Yonsei University, Wonju Severance Christian Hospital

    Wŏnju, South Korea

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