ClinicalTrials.gov record

Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

KBP-201 COVID-19 Vaccine Trial in Healthy Volunteers

ClinicalTrials.gov ID: NCT04473690

Public ClinicalTrials.gov record NCT04473690. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

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ClinicalTrials.gov public records Last synced Oct 25, 2026, 5:22 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase I/II, First-in-human, Observer-blinded, Randomized, Placebo-controlled, Parallel Group Study to Evaluate the Safety and Immunogenicity of TAP-COVID-19 SARS-CoV-2 Vaccine With CpG Adjuvant in Healthy Adults Aged 18-49 and 50-85

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is an First In Human (FIH), observer-blinded, randomized, placebo-controlled, parallel group study to evaluate the safety and immunogenicity of KBP-COVID-19 plus CPG adjuvant vaccine in healthy adult subjects in 2 age groups, Part A (18-49 years) and Part B (50-85 years).

Study identification

NCT ID: NCT04473690
Recruitment status: Completed
Study type: Interventional
Phase: Phase 1, Phase 2
Lead sponsor: KBio Inc; Industry
Enrollment: 102 participants

Conditions and interventions

Conditions

Covid19

Interventions

Biological

Eligibility (public fields only)

Age range: 18 Years to 85 Years
Sex: All
Healthy volunteers: Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date: Dec 30, 2020 (Actual)
Primary completion: May 31, 2022 (Actual)
Completion: Oct 14, 2022 (Actual)
Last update posted: May 18, 2025

2020 – 2022

United States locations

U.S. sites: 6
U.S. states: 4
U.S. cities: 6

Facility	City	State	ZIP	Site status
Palm Beach Research Center	West Palm Beach	Florida	33409	—
Velocity Clinical Research	Meridian	Idaho	83642	—
PMG Research of Winston-Salem	Winston-Salem	North Carolina	27103	—
PanAmerican Clinical Research	Brownsville	Texas	78520	—
ICON	San Antonio	Texas	78209	—
DM Clinical Research	Tomball	Texas	77375	—

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 2 non-U.S. sites.

About this trial record page

What this page shows: Public field values for ClinicalTrials.gov record NCT04473690, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do: No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from: Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh: Last update posted May 18, 2025 · Synced Oct 25, 2026

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04473690 live on ClinicalTrials.gov.

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