ClinicalTrials.gov record
Active, not recruiting Phase 2Phase 3 Interventional Accepts healthy volunteers

Study of a Recombinant Coronavirus-Like Particle COVID-19 Vaccine in Adults

ClinicalTrials.gov ID: NCT04636697

Public ClinicalTrials.gov record NCT04636697. 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.

ClinicalTrials.gov public records Last synced Apr 22, 2026, 11:57 PM EDT

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

Official title

Randomized, Observer-Blind, Placebo-Controlled, Phase 2/3 Study to Assess the Safety, Efficacy, and Immunogenicity of a Recombinant Coronavirus-Like Particle COVID-19 Vaccine in Adults 18 Years of Age or Older

Study identification

NCT ID
NCT04636697
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 2, Phase 3
Lead sponsor
Medicago
Industry
Enrollment
30,918 participants

Conditions and interventions

Interventions

  • Intramuscular injection Drug
  • Intramuscular vaccine Biological

Drug · Biological

Eligibility (public fields only)

Age range
18 Years and older
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
Nov 18, 2020
Primary completion
Aug 24, 2021
Completion
Apr 29, 2022
Last update posted
Apr 5, 2022

2020 – 2022

United States locations

U.S. sites
45
U.S. states
20
U.S. cities
42
Facility City State ZIP Site status
Achieve Clinical Research, LLC dba Accel Research Sites Birmingham Alabama 35216
Fiel Family and Sports Medicine/CCT Tempe Arizona 85283
Hope Clinical Research Canoga Park California 91303
CNS Network Garden Grove California 92845
Long Beach Clinical Trial Services Inc. Long Beach California 90806-3221
Pharmacology Research Institute Newport Beach California 92660
Wr-McCr, Llc San Diego California 92108
Ascension Providence Health System Washington D.C. District of Columbia 20017
Alliance for Multispecialty Research Coral Gables Florida 33134-4321
Research Centers of America Hollywood Florida 33024
AppleMed Research Inc Miami Florida 33155
Elixia COVID-19 Palm Beach Florida 33410
Precision Clinical Research Sunrise Florida 33351
Meridian Clinical Research Savannah Georgia 31406
ASR, LLC Nampa Idaho 83687
Affinity Health Chicago Illinois 60644
Meridian Clinical Research Sioux City Iowa 51106
Benchmark Research Covington Louisiana 70433
Ascension St. John Vaccine Research Unit Grosse Pointe Woods Michigan 48236
Methodist Physicians Fremont Nebraska 68130
Be Well Clinical Studies, LLC Lincoln Nebraska 68516
Meridian Clinical Research LLC Norfolk Nebraska 68701
Meridian Clinical Research LLC Omaha Nebraska 68134
Forte Family Practice/ CCT Research Las Vegas Nevada 89103
Excel Clinical Research Las Vegas Nevada 89109
Las Vegas Clinical Trials North Las Vegas Nevada 89030
Hassman Research Institute Berlin New Jersey 08009
Meridian Clinical Research Endwell New York 13760
Carolina Institute for Clinical Research Fayetteville North Carolina 28303
M3 Wake Research, Inc Raleigh North Carolina 27612
Trial Management Associates LLC Wilmington North Carolina 28403
Velocity Clinical Research - Cincinnati Cincinnati Ohio 45242
Velocity Clinical Research Cleveland Ohio 44122
Aventiv Research Inc Columbus Ohio 43213
Velocity Clinical Research Providence Warwick Rhode Island 02886
Benchmark Research Austin Texas 78705
Tekton Research Austin Texas 78745
Global Medical Research Dallas Texas 75224
Benchmark Research Fort Worth Texas 76135
Research Your Health Plano Texas 75093
Mt. Olympus Medical Research, LLC Sugar Land Texas 77479
Sugar Lakes Family Practice Sugar Land Texas 77479
DM Clinical Research/Martin Diagnostic Clinic Tomball Texas 77375
South Ogden Family Medicine Ogden Utah 84405
Advanced Clinical Research, Inc. West Jordan Utah 84088

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 46 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04636697, 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 Apr 5, 2022 · Synced Apr 22, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04636697 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →