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Completed Phase 3 Interventional Accepts healthy volunteers

Phase 3 Study of S-217622 in Prevention of Symptomatic SARS-CoV-2 Infection

ClinicalTrials.gov ID: NCT05897541

Public ClinicalTrials.gov record NCT05897541. 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 Jun 26, 2026, 7:26 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 3 Randomized, Double-blind, Placebo-controlled Study to Evaluate the Efficacy and Safety of S-217622 in the Prevention of Symptomatic SARS-CoV-2 Infection in Household Contacts of an Individual With Symptomatic COVID-19

Study identification

NCT ID
NCT05897541
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Shionogi
Industry
Enrollment
2,387 participants

Conditions and interventions

Interventions

  • S-217622 Drug
  • Placebo Drug

Drug

Eligibility (public fields only)

Age range
Not listed
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
Jun 8, 2023
Primary completion
Aug 29, 2024
Completion
Sep 17, 2024
Last update posted
Aug 5, 2025

2023 – 2024

United States locations

U.S. sites
95
U.S. states
20
U.S. cities
63
Facility City State ZIP Site status
Central Alabama Research Birmingham Alabama 35209-8401
Accel Research Site - Achieve - Birmingham - ERN - PPDS Birmingham Alabama 35216
Cullman Clinical Trials Cullman Alabama 35055-1902
Absolute Clinical Research, LLC Phoenix Arizona 85051-5775
One of a Kind Clinical Research Center LLC Scottsdale Arizona 85258-4590
Healthstar Research Hot Springs Arkansas 71913-8184
Preferred Research Partners - ClinEdge - PPDS Little Rock Arkansas 72211-3868
Neighborhood Healthcare Escondido California 92025-4604
Apex Research Group Fair Oaks California 95628-2501
Ascada Research LLC Fullerton California 92835-4127
Torrance Clinical Research Institute Lomita California 90717-2101
Ark Clinical Research - Long Beach - ClinEdge - PPDS Long Beach California 90815-2521
Rancho Cucamonga Clinical Research Rancho Cucamonga California 91730-3062
Smart Cures Clinical Research Rolling Hills Estates California 90274-7604
Clinical Trials Management Services, LLC Thousand Oaks California 91360
Lynn Institute of The Rockies - ERN - PPDS Colorado Springs Colorado 80918-1662
TrueBlue Clinical Research Brandon Florida 33511-4850
Invictus Clinical Research Group, LLC Coconut Creek Florida 33073-3458
Universal Medical and Research Center, LLC Coral Gables Florida 33134-1602
Hope Clinical Trials Coral Gables Florida 33134-1642
I.V.A.M. Clinical & Investigational Center Doral Florida 33126
Quality Research of South Florida Hialeah Florida 33016-1811
Universal Medical and Research Center, LLC Homestead Homestead Florida 33030-6057
Flourish Research - Leesburg - PPDS Leesburg Florida 34748-5077
Premier Clinical Research Institute - Miami - ClinEdge - PPDS Miami Florida 33122-1335
LCC Medical Research - Miami - ClinEdge - PPDS Miami Florida 33126-1921
CCM Clinical Research Group Miami Florida 33133-4231
Suncoast Research Group LLC - Flourish - PPDS Miami Florida 33135-1687
University of Miami - 1150 NW 14th St Miami Florida 33136-1104
Florida Research Center, Inc. Miami Florida 33144-2069
Oceane7 Medical & Research Center, Inc. Miami Florida 33144-2155
Continental Clinical Research, LLC Miami Florida 33144-4273
BioClinical Research Alliance Miami Florida 33155-6542
Ivetmar Medical Group, LLC Miami Florida 33155-6542
Miami Clinical Research - ClinEdge - PPDS Miami Florida 33155
Global Health Clinical Trials Miami Florida 33165-2968
Valencia Medical and Research Center Miami Florida 33165-3912
Alma Research Miami Florida 33165
GCP Global Clinical Professionals, LLC Miami Florida 33169-5732
Research Institute of South Florida Inc Miami Florida 33173-4648
Entrust Clinical Research Miami Florida 33176-1530
Kendall South Medical Center Miami Florida 33185-4082
Flourish Research - Miami - PPDS Miami Florida 33186-9066
Meridian International Research Miami Lakes Florida 33014-6433
MedQuest Translational Sciences Miami Lakes Florida 33016
Combined Research Orlando Phase I-IV LLC Orlando Florida 32807-3555
Central Florida Internists - Conway Orlando Florida 32812-7331
Accel Research Sites - Nona Pediatric Center - ERN - PPDS Orlando Florida 32829-8070
Ormond Beach Clinical Research Ormond Beach Florida 32174-8196
CTMD Research, Inc. Palm Springs - Hunt - PPDS Palm Springs Florida 33406-7671
American Research Centers of Florida Pembroke Pines Florida 33027-1717
Progressive Medical Research - ClinEdge - PPDS Port Orange Florida 32127
Renew Health Clinical Research, LLC Tampa Florida 33607-2529
Bayside Clinical Research-West Tampa Tampa Florida 33607
Tampa Bay Health Care Tampa Florida 33615
Balanced Life Health Care Solutions - SKYCRNG - PPDS Lawrenceville Georgia 30046-8703
Olivo Medical and Wellness Center Chicago Illinois 60618-8101
Eagle Clinical Research Chicago Illinois 60621-3116
KU Wichita Center for Clinical Research Wichita Kansas 67214-3124
Voyage Medical - Michigan Canton Michigan 48188-2866
Vida Clinical Sites Dearborn Heights Michigan 48127-2234
Henry Ford Hospital Detroit Michigan 48202-2608
Velocity Clinical Research - Covington - PPDS Gulfport Mississippi 39503-2637
Montana Medical Research Missoula Montana 59808
Child Healthcare Associates - East Syracuse East Syracuse New York 13057-9305
Rochester Clinical Research - ATLAS - Rochester - PPDS Rochester New York 14609-3173
Lapis Clinical Research-Denver Denver North Carolina 28037-8254
Progressive Medicine of the Triad, LLC Winston-Salem North Carolina 27103-1552
WellNow Urgent Care & Research - Huber Heights Dayton Ohio 45424-4019
PriMed Clinical Research - ClinEdge - PPDS Dayton Ohio 45429-3658
Cyn3rgy Research - ClinEdge - PPDS Gresham Oregon 97030-8319
Tristar Clinical Investigations, P.C. Philadelphia Pennsylvania 19114-1030
Frontier Clinical Research - Scottdale Scottdale Pennsylvania 15683-2460
Coastal Pediatric Associates Charleston South Carolina 29414-5834
SPICA Clinical Research Columbia South Carolina 29223-6301
Main Street Physicians Care - Waterway Little River South Carolina 29566
Clinical Trials of South Carolina - ClinEdge - PPDS Moncks Corner South Carolina 29461-5017
Saint Hope Foundation Inc Bellaire Texas 77401-4500
ACRC Trials - Carrollton - Hunt - PPDS Carrollton Texas 75010
Global Medical Research - M3 WR Dallas Texas 75224-2367
Alina Clinical Trials, LLC Dallas Texas 75225-6301
Southwest Family Medicine Associates Dallas Texas 75235-1715
Epic Medical Research LLC - DeSoto DeSoto Texas 75115-2043
Care United Research, LLC - Elligo - PPDS Forney Texas 75126-4174
Valley Institute of Research Fort Worth Texas 76164-9041
C & R Research Services USA Houston Texas 77022
New Horizon Medical Group, LLC Houston Texas 77065
Care and Cure Clinic Houston Texas 77090-1243
DCT-McAllen Primary Care Research, LLC dba Discove McAllen Texas 78503-1397
Advances In Health Inc Pearland Texas 77584-8075
Clinical Associates in Research Therapeutics of America San Antonio Texas 78212-4829
VIP Trials San Antonio Texas 78230
Tranquil Clinical Research Webster Texas 77598-3900
Alliance for Multispecialty Research, LLC - Kaysville - PPDS Kaysville Utah 84037-4300
Alliance for Multispecialty Research LLC - Roy Roy Utah 84067-9108

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 83 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05897541, 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 Aug 5, 2025 · Synced Jun 26, 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 NCT05897541 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →