Could a new vaccine beat chickenpox? large trial underway

NCT ID NCT07415252

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

Summary

This study tests a new chickenpox vaccine called NBP608 in about 780 children aged 1 to 12 years. The vaccine is compared to licensed vaccines to see how well it triggers immunity and if it is safe. Children receive one or two shots, and researchers monitor their immune response over 15 months.

What this could mean

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

Active substance
NBP608 (live attenuated varicella virus vaccine)
What this could lead to
If successful, this could provide a safe and effective alternative chickenpox vaccine for children.
What could go wrong
This is a phase 3 trial, but results may not show superiority over existing vaccines. Side effects are possible, as with any vaccine.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Locations

  • Centhicsa

    Tegucigalpa, Francisco Morazán Department, 11101, Honduras

  • DEMEDICA

    San Pedro Sula, Cortés Department, 21104, Honduras

  • Ewha Womans University Mokdong Hospital

    Seoul, Seoul, 07985, South Korea

  • Faculty of Medicine Siriraj Hospital, Mahidol University

    Bangkok Noi, Bangkok, 10700, Thailand

  • Feu-Nrmf Clinical Research Unit

    Quezon City, National Capital Region, 1118, Philippines

  • Hallym University Dongtan Sacred Heart Hospital

    Hwaseong-si, Gyeonggi-do, 18450, South Korea

  • Keimyung University Dongsan Hospital

    Daegu, Daegu, 42601, South Korea

  • Korea University Anam Hospital

    Seoul, Seoul, 02841, South Korea

  • Korea University Ansan Hospital

    Ansan, Gyeonggi-do, 15355, South Korea

  • Korea University Guro Hospital

    Seoul, Seoul, 08308, South Korea

  • Manila Doctors Hospital

    Manila, National Capital Region, 1000, Philippines

  • Seoul National University Bundang Hospital

    Seongnam-si, Gyeonggi-do, 13620, South Korea

  • Srinagarind Hospital, Faculty of Medicine, Khon Kaen University

    Khon Kaen, Changwat Khon Kaen, 40002, Thailand

  • The Catholic University of Korea Incheon St. Mary's Hospital

    Incheon, Incheon, 21431, South Korea

  • UERM

    Quezon City, National Capital Region, 1113, Philippines

More trials for these conditions

Other studies related to the condition(s) this trial covers.