New rabies vaccine shows promise in large trial
NCT ID NCT04127786
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This Phase 3 trial tested a new rabies vaccine (VRVg-2) in 1708 healthy children and adults in Thailand. The goal was to see if it works as well as two existing rabies vaccines when given before exposure to the virus. Participants received a series of shots, and some got a booster dose later. The study is complete, and results will show if the new vaccine is a safe and effective option.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- Purified vero rabies vaccine - serum free (VRVg-2)
- What this could lead to
- If successful, this could provide a safe and effective alternative rabies vaccine for pre-exposure prevention in both children and adults.
- What could go wrong
- This is a completed Phase 3 trial, but results are not yet published. The new vaccine must prove it is as good as existing ones, and rare side effects may still emerge.
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
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Investigational Site Number : 7640001
Bangkok, 10330, Thailand
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Investigational Site Number : 7640002
Khon Kaen, 40002, Thailand
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Investigational Site Number : 7640003
Bangkok, 10700, Thailand
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Investigational Site Number : 7640004
Bangkok, 10400, Thailand
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