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Terminated Phase 3 Interventional Accepts healthy volunteers

A Study to Evaluate the Efficacy, Safety, and Immunogenicity of mRNA-1647 Cytomegalovirus (CMV) Vaccine in Healthy Participants 16 to 40 Years of Age

ClinicalTrials.gov ID: NCT05085366

Public ClinicalTrials.gov record NCT05085366. 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 Jul 22, 2026, 9:34 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

A Phase 3, Randomized, Observer-Blind, Placebo-Controlled Study to Evaluate the Efficacy, Safety, and Immunogenicity of mRNA-1647 Cytomegalovirus (CMV) Vaccine in Healthy Participants 16 to 40 Years of Age

Study identification

NCT ID
NCT05085366
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 3
Lead sponsor
ModernaTX, Inc.
Industry
Enrollment
7,454 participants

Conditions and interventions

Interventions

  • mRNA-1647 Biological
  • Placebo Biological

Biological

Eligibility (public fields only)

Age range
16 Years to 40 Years
Sex
Female
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
Oct 25, 2021
Primary completion
Nov 3, 2025
Completion
Nov 3, 2025
Last update posted
Dec 14, 2025

2021 – 2025

United States locations

U.S. sites
181
U.S. states
38
U.S. cities
144
Facility City State ZIP Site status
Central Research Associates Inc Birmingham Alabama 35205
Accel Research Site - Achieve - Birmingham - ERN - PPDS Birmingham Alabama 35216
SEC Clinical Research LLC - Dothan - ClinEdge - PPDS Dothan Alabama 36305
Lakeview Clinical Research Guntersville Alabama 35976
Chandler Clinical Trials, LLC Chandler Arizona 85224
Arizona Clinical Trials Mesa Arizona 85210
Phoenix Clinical LLC Phoenix Arizona 85014
MedPharmics, LLC Phoenix Arizona 85015-1105
Hope Research Institute LLC Phoenix Arizona 85018
Hope Research Institute LLC Phoenix Arizona 85023
Epic Medical Research Arizona Surprise Arizona 85378-9021
Voyage Medical Tempe Arizona 85282
Hope Research Institute LLC Tempe Arizona 85284
Tucson Neuroscience Research - M3 WR - ERN - PPDS Tucson Arizona 85710-6155
The Institute for Liver Health-Tucson Tucson Arizona 85712-4046
Del Sol Research Management - ClinEdge - PPDS Tucson Arizona 85715
Noble Clinical Research Tucson Arizona 86704
Baptist Health Center for Clinical Research Little Rock Arkansas 72205-6355
Preferred Research Partners Little Rock Arkansas 72211
Applied Research Center of Arkansas - Clinedge - PPDS Little Rock Arkansas 72212
Velocity Clinical Research - Banning Banning California 92220
Velocity Clinical Research - Chula Vista Chula Vista California 91911-6617
Apex Research Group Fair Oaks California 95628-2500
Ascada Research LLC Fullerton California 92835
Paradigm Clinical Research Center La Mesa California 91942
Velocity Clinical Research - San Diego La Mesa California 91942
Long Beach Research Institute, LLC Long Beach California 90805
Long Beach Clinical Trials Services Inc. Long Beach California 90806
Catalina Research Institute LLC Montclair California 91763
Carbon Health- NoHo West Urgent Care and Primary Care North Hollywood California 91606
Empire Clinical Research Pomona California 91767
Paradigm Clinical Research Institute, Inc. - ClinEdge Redding California 96001-0172
Smart Cures Clinical Research Rolling Hills Estates California 90274-7604
Northern California Research Corp Sacramento California 95821
Womens Healthcare Research Corporation ERN PPDS San Diego California 92111
Care Access Research - Santa Clarita Santa Clarita California 91321
Stanford University School of Medicine Stanford California 94305
Clinical Trials Management Services, LLC Thousand Oaks California 91360
Bayview Research Group Valley Village California 91607
Next Level Clinical Trials West Covina California 91730
Care Access Research - Aurora Aurora Colorado 80012
University of Colorado Anschutz Medical Campus Aurora Colorado 80045-7144
Paradigm Clinical Research Institute Inc - ClinEdge Wheat Ridge Colorado 80033
New England Research Associates LLC - ERN - PPDS Bridgeport Connecticut 06606
Clinical Research Consultants LLC Milford Connecticut 06460-4647
Emerson Clinical Research Institute LLC - Kennedy St Washington D.C. District of Columbia 20011
Invictus Clinical Research Group, LLC Coconut Creek Florida 33073
Luna Research LLC Coral Gables Florida 33134-2220
Herco Medical and Research Center, Inc. Coral Gables Florida 33134-2537
Precision Clinical Research, LLC Coral Springs Florida 33065
Universal Axon Clinical Research Doral Florida 33166
Unique Clinical Trials, LLC Doral Florida 33172-1507
Velocity Clinical Research, New Smyrna Beach Edgewater Florida 32132-2720
Indago Research and Health Center Hialeah Florida 33012-4174
Best Quality Research, Inc Hialeah Florida 33016
Florida International Medical Research Miami Florida 33155-2164
Miami Clinical Research Miami Florida 33155
Spotlight Research Center, LLC Miami Florida 33176
Floridian Clinical Research - ClinEdge - PPDS Miami Lakes Florida 33016
Ormond Beach Clinical Research Ormond Beach Florida 32174-8196
Emerald Coast OBGYN Clinical Research Panama City Florida 32405
Ideal Clinical Research, Inc. - ClinEdge - PPDS Pembroke Pines Florida 33026-5207
Precision Clinical Research - Plantation Plantation Florida 33317
GCP Global Clinical Professionals St. Petersburg Florida 33705
Tampa Bay Health Care Tampa Florida 33615-4564
CVS HealthHub - Atlanta S Atlanta Georgia 30311
CVS HealthHub - Atlanta Atlanta Georgia 30329
Tekton Research - Georgia - Platinum Chamblee Georgia 30341
Centricity Research - Roswel Columbus Georgia 31904
CVS HealthHub - Dacula Dacula Georgia 30019
IResearch Atlanta LLC Decatur Georgia 30030
CVS HealthHub - Kennesaw Kennesaw Georgia 30152
Drug Studies America - ClinEdge - PPDS Marietta Georgia 30060
CVS HealthHub - Mcdonough McDonough Georgia 30253
CVS HealthHub - Newman Newnan Georgia 30265
One Health Research Clinic, Inc. Norcross Georgia 30093
Mount Vernon Clinical Research, LLC - M3 WR - ERN - PPDS Sandy Springs Georgia 30328
CVS HealthHub - Savannah Savannah Georgia 31405
Clinical Research Prime - Clinedge Idaho Falls Idaho 83404
Velocity Clinical Research Meridian Idaho 83642
Affinity Health Oak Brook Illinois 60523
Optimal Research Peoria Illinois 61614
ASHA Clinical Research - ClinEdge Hammond Indiana 46324
Del Pilar Medical and Urgent Care Mishawaka Indiana 46545-3452
Iowa Clinic Des Moines Iowa 50266
Johnson Country Clin-Trials Lenexa Kansas 66219
Alliance for Multispecialty Research, LLC Newton Kansas 67114
Alliance for Multispecialty Research, LLC Lexington Kentucky 40509
Velocity Clinical Research - Covington Metairie Louisiana 70006-4151
Centennial Medical Group - Elkridge - Rx Trials Elkridge Maryland 21075-6434
Meridian Clinical Research-(Rockville Maryland) Rockville Maryland 20854-2957
DM Clinical Research - The Brook House Brookline Massachusetts 02445
Skylight Health Research - Burlington Burlington Massachusetts 01803
ActivMed Practices & Research Inc Methuen Massachusetts 01844
Voyage Medical - Michigan Canton Michigan 48188-2866
Wayne State University Detroit Michigan 48202-2608
Great Lakes Research Institute Southfield Michigan 48075
DM Clinical Research - Southfield Southfield Michigan 48076
Clinical Research Institute, Inc - CRN - PPDS Minneapolis Minnesota 55402-2750
University of Minnesota Clinical Research Unit Minneapolis Minnesota 55454
MedPharmics, LLC Gulfport Mississippi 39503
MediSync Clinical Research Hattiesburg Clinic Petal Mississippi 39465-2932
Boeson Research GTF - Great Falls Great Falls Montana 59405
Boeson Research KAL - Kalispell - ERN - PPDS Kalispell Montana 59901
Boeson Research MSO - Missoula Missoula Montana 59804
Meridian Clinical Research (Grand Island, Nebraska) Grand Island Nebraska 68803-4327
Meridian Clinical Research (Hastings, Nebraska) Hastings Nebraska 68901-2615
Be Well Clinical Studies, LLC - Lincoln - ERN - PPDS Lincoln Nebraska 68516
Meridian Clinical Research (Norfolk-Nebraska) Norfolk Nebraska 68701-2669
Quality Clinical Research Omaha Nebraska 68114-3755
Meridian Clinical Research-(Omaha Nebraska) Omaha Nebraska 68134
Clinical Research Center Of Nevada Las Vegas Nevada 89106
Med Clinic Research Partners, LLC Irvington New Jersey 07111
Albuquerque Clinical Trials Inc. Albuquerque New Mexico 87102-3644
MedPharmics, LLC. - Albuquerque Albuquerque New Mexico 87102
Meridian Clinical Research (Endwell-New York) - Platinum - PPDS Binghamton New York 13901-1046
WellNow Urgent Care Clinical Research East Amherst New York 14051-2368
Rochester Clinical Research, Inc Rochester New York 14609-3173
SUNY Upstate Medical Center Syracuse New York 13210
OnSite Clinical Solutions, LLC Charlotte North Carolina 28277
Carolina Institute for Clinical Research - M3 WR - ERN - PPDS Fayetteville North Carolina 28303
Monroe Biomedical Research (Venus St) Monroe North Carolina 28112
Lucas Research Morehead City North Carolina 28557
M3 Wake Research, Inc - M3 WR - ERN - PPDS Raleigh North Carolina 27612
Lillestol Research Fargo North Dakota 58104
CTI Clinical Research Center - ClinEdge - PPDS Cincinnati Ohio 45212
Meridian Cincinnati Cincinnati Ohio 45219-2975
University of Cincinnati Medical Center-Goodman St Cincinnati Ohio 45267-2827
ClinOhio Research Services Columbus Ohio 43213-4440
Aventiv Research Inc. Columbus Ohio 43213
WellNow Urgent Care & Research - Huber Heights Columbus Ohio 43214-2635
PriMed Clinical Research - ClinEdge Dayton Ohio 45429
Senders Pediatrics South Euclid Ohio 44121
Epic Medical Research Oklahoma Chickasha Oklahoma 73018-2738
Lynn Health Science Institute Oklahoma City Oklahoma 73112
Tekton Research - Oklahoma - Platinum Yukon Oklahoma 73099
Velocity Clinical Research - Medford Medford Oregon 97504
SPICA Clinical Research Columbia South Carolina 29223-6301
PMG Research of Charleston LLC Mt. Pleasant South Carolina 29464-1811
Coastal Carolina Research Center North Charleston South Carolina 29405
ARC Clinical Research at Wilson Parke Austin Texas 78726-4061
Premier Family Physicians - Austin - Hunt Austin Texas 78735
ARC Clinical Research at William Cannon Austin Texas 78745
Tekton Research, Inc. Austin Texas 78745
Gadolin Research LLC Beaumont Texas 77701-4627
REX Clinical Trials Beaumont Texas 77701
Tekton Research - Beaumont Beaumont Texas 77706-3061
Velocity Clinical Research - Austin Cedar Park Texas 78613-3936
Global Medical Research Dallas Texas 75224
Zenos Clinical Research Dallas Texas 75230
ANRC Research El Paso Texas 79936
Village Health Partners Frisco Medical Village Frisco Texas 75033
Trio Clinical Trials LLC Houston Texas 77008
Vilo Research Group, L.L.C. Houston Texas 77017-2338
New Horizon Medical Group, LLC Houston Texas 77063-5150
Cedar Health Research - Fort Worth - PPDS Irving Texas 75062-3621
Helios CCR, Inc.-keller-PPDS Keller Texas 76248
University of Texas Medical Branch - Bay Colony, SIVS Clinical Trials Program League City Texas 77573-1427
BRCR Medical Center Inc - McAllen McAllen Texas 78503
Synergy Group US, LLC Missouri City Texas 77459-4756
Austin Regional Clinic ARC Clinical Research at Kelly Lane Pflugerville Texas 78660
GLRI McAllen Research Pharr Texas 78577
ACRC Trials - Independence Parkway - Plano - Hunt - PPDS Plano Texas 75025-4002
Epic Medical Research LLC Red Oak Texas 75154
Clinical Trials of Texas, Inc. - HyperCor San Antonio Texas 78229-3539
Diagnostics Research Group San Antonio Texas 78229
DM Clinical Research Tomball Texas 77375
Crossroads Clinical Research (Victoria) Victoria Texas 77901
ClinPoint Trials LLC Waxahachie Texas 75165-1430
Tanner Clinic Layton Utah 84041
Granger Medical Clinic - Riverton Riverton Utah 84096-7012
Foothill Family Clinic Salt Lake City Utah 84109
Foothill Family Clinic - South Clinic Salt Lake City Utah 84121
Velocity Clinical Research West Jordan Utah 84088
Health Research of Hampton Roads Inc. - ClinEdge Newport News Virginia 23606
York Clinical Research Norfolk Virginia 23510-2014
David Ramstad Associates Research - IACT - HyperCore - PPDS Suffolk Virginia 23435
Rainier Clinical Research Center Renton Washington 98057
Seattle Clinical Research Center Seattle Washington 98105
Velocity Clinical Research - Spokane - PPDS Spokane Washington 99223
University Of Wisconsin - Madison Madison Wisconsin 53792

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 115 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05085366, 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 Dec 14, 2025 · Synced Jul 22, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05085366 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →