New combo vaccine for infants shows promise in small trial

NCT ID NCT03188692

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

Summary

This completed Phase 3 study tested a combined vaccine called BK1310 in 33 healthy infants. The vaccine aims to protect against diphtheria, tetanus, pertussis, polio, and Hib with a series of injections. Researchers measured antibody levels to see if the vaccine triggers a strong immune response.

What this could mean

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

Active substance
BK1310 (combined DPT-IPV-Hib vaccine)
What this could lead to
If successful, this vaccine could protect infants against diphtheria, tetanus, pertussis, polio, and Hib with a single shot series.
What could go wrong
This is a small, completed Phase 3 trial with only 33 infants, so results may not apply to larger populations. Vaccine side effects like fever or allergic reactions are possible.

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

  • Investigational site 1

    Chiba, Japan

  • Investigational site 2

    Tokyo, Japan

  • Investigational site 3

    Tokyo, Japan

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