Dose-Finding Trial to Evaluate the Safety and Immunogenicity of Cytomegalovirus (CMV) Vaccine mRNA-1647 in Healthy Adults
Public ClinicalTrials.gov record NCT04232280. 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.
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 2, Randomized, Observer-Blind, Placebo-Controlled, Dose-Finding Trial to Evaluate the Safety and Immunogenicity of Cytomegalovirus Vaccine mRNA-1647 in Healthy Adults
Study identification
- NCT ID
- NCT04232280
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- ModernaTX, Inc.
- Industry
- Enrollment
- 315 participants
Conditions and interventions
Conditions
Interventions
- Placebo Other
- mRNA-1647 Biological
Other · Biological
Eligibility (public fields only)
- Age range
- 18 Years to 40 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
- Jan 8, 2020
- Primary completion
- Jan 3, 2023
- Completion
- Jan 3, 2023
- Last update posted
- May 4, 2026
2020 – 2023
United States locations
- U.S. sites
- 9
- U.S. states
- 7
- U.S. cities
- 8
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Benchmark Research | Sacramento | California | 95864 | — |
| Optimal Research | Peoria | Illinois | 61614 | — |
| Johnson County Clin-Trials | Lenexa | Kansas | 66219 | — |
| Alliance for Multispecialty Research | Lexington | Kentucky | 40509 | — |
| Aventiv Research Inc | Columbus | Ohio | 43213-6523 | — |
| Tekton Research Inc | Austin | Texas | 78745 | — |
| Crossroads Clinical Research | Victoria | Texas | 77901 | — |
| Foothill Family Clinic | Salt Lake City | Utah | 84109 | — |
| Foothill Family Clinic-South Clinic | Salt Lake City | Utah | 84121 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04232280, 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 4, 2026 · Synced May 20, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04232280 live on ClinicalTrials.gov.