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NCT03611946 · ClinicalTrials.gov registry record · Phase 1

Safety and Immunogenicity of the Live Attenuated Zika Vaccine rZIKV/D4Δ30-713 in Flavivirus-naïve Adults

A Phase 1 study, sponsored by National Institute of Allergy and Infectious Diseases (NIAID).

Completed
Registry status
Phase 1
Development phase
56
Enrollment target

NCT03611946: Completed Phase 1 study, sponsored by National Institute of Allergy and Infectious Diseases (NIAID).

NCT03611946 is a Phase 1 study that has completed, run by National Institute of Allergy and Infectious Diseases (NIAID). The registered enrollment target is 56 participants, roughly in line with the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03611946, a Phase 1 study, has completed, sponsored by National Institute of Allergy and Infectious Diseases (NIAID).

COMPLETED
Registry status
Phase 1
Development phase
56 participants
Enrollment target

Study Summary

This is a phase 1 double-blind, placebo controlled trial designed to evaluate the safety, reactogenicity, and immunogenicity of a single dose of the live attenuated Zika vaccine rZIKV/D4Δ30-713 in adults with no history of previous flavivirus infection.

Primary Outcome

Evaluated using the Adverse Event Grading Table in the study protocol.

Interventions

  • BIOLOGICAL Single dose of rZIKV/D4Δ30-713 (10^3 PFU) via subcutaneous injection (0.5ml)
  • BIOLOGICAL Single dose of placebo via subcutaneous injection (0.5ml).
  • BIOLOGICAL Single dose of rZIKV/D4Δ30-713 (10^4 PFU) via subcutaneous injection (0.5ml)

Trial Details

FieldValue
Enrollment Target 56 participants
Start Date 2018-07-06
Est. Completion 2022-03-18
Phase Phase 1

What the finished NCT03611946 record still lists

NCT03611946 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 56 participants, a relatively small participant target, roughly in line with the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target.

The record links to 0 conditions, and to 3 interventions - of which Single dose of rZIKV/D4Δ30-713 (10^3 PFU) via subcutaneous injection (0.5ml) is the first listed.

NCT03611946 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03611946 about?

NCT03611946 is a clinical study titled "Safety and Immunogenicity of the Live Attenuated Zika Vaccine rZIKV/D4Δ30-713 in Flavivirus-naïve Adults". This is a phase 1 double-blind, placebo controlled trial designed to evaluate the safety, reactogenicity, and immunogenicity of a single dose of the live attenuated Zika vaccine rZIKV/D4Δ30-713 in adults with no history of previous flavivirus infection.

What is the current status of trial NCT03611946?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 56 participants. The study started on 2018-07-06. Estimated completion is 2022-03-18.

What interventions are being tested in trial NCT03611946?

The interventions under investigation include: Single dose of rZIKV/D4Δ30-713 (10^3 PFU) via subcutaneous injection (0.5ml) (BIOLOGICAL), Single dose of placebo via subcutaneous injection (0.5ml). (BIOLOGICAL), Single dose of rZIKV/D4Δ30-713 (10^4 PFU) via subcutaneous injection (0.5ml) (BIOLOGICAL).

Who is sponsoring clinical trial NCT03611946?

This trial is sponsored by National Institute of Allergy and Infectious Diseases (NIAID), which has 2,006 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03611946's enrollment target sits among peer trials

56 902nd of 2000 higher than 1,083 of 2,000 other Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 1 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT03611946, the US trial registry maintained by the National Library of Medicine. NCT03611946 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.