A Study to Evaluate the Safety and Immunogenicity of mRNA-1975 and mRNA-1982 Against Lyme Disease in Participants 18 Through 70 Years of Age

NCT ID: NCT05975099

Last Updated: 2025-08-22

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE1/PHASE2

Total Enrollment

807 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-07-26

Study Completion Date

2025-05-30

Brief Summary

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The purpose of this study is to evaluate the safety and immunogenicity in parallel of heptavalent mRNA-1975 and monovalent mRNA-1982 against Lyme disease in healthy adult participants.

Detailed Description

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Conditions

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Lyme Disease

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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mRNA-1975: Dose 1

Participants will receive 3 intramuscular (IM) injections of the mRNA-1975 vaccine at Dose Level 1 on Days 1, 57, and 169.

Group Type EXPERIMENTAL

mRNA-1975

Intervention Type BIOLOGICAL

Dispersion delivered IM

mRNA-1975: Dose 2

Participants will receive 3 IM injections of the mRNA-1975 vaccine at Dose level 2 on Days 1, 57, and 169.

Group Type EXPERIMENTAL

mRNA-1975

Intervention Type BIOLOGICAL

Dispersion delivered IM

mRNA-1975: Dose 3

Participants will receive 3 IM injections of the mRNA-1975 vaccine at Dose Level 3 on Days 1, 57, and 169.

Group Type EXPERIMENTAL

mRNA-1975

Intervention Type BIOLOGICAL

Dispersion delivered IM

mRNA-1975: Dose 4

Participants will receive 3 IM injections of the mRNA-1975 vaccine at Dose level 4 on Days 1, 57, and 169.

Group Type EXPERIMENTAL

mRNA-1975

Intervention Type BIOLOGICAL

Dispersion delivered IM

mRNA-1982: Dose 1

Participants will receive 3 IM injections of the mRNA-1982 vaccine at Dose Level 1 on Days 1, 57, and 169.

Group Type EXPERIMENTAL

mRNA-1982

Intervention Type BIOLOGICAL

Dispersion delivered IM

mRNA-1982: Dose 2

Participants will receive 3 IM injections of the mRNA-1982 vaccine at Dose Level 2 on Days 1, 57, and 169.

Group Type EXPERIMENTAL

mRNA-1982

Intervention Type BIOLOGICAL

Dispersion delivered IM

mRNA-1982: Dose 3

Participants will receive 3 IM injections of the mRNA-1982 vaccine at Dose level 3 on Days 1, 57, and 169.

Group Type EXPERIMENTAL

mRNA-1982

Intervention Type BIOLOGICAL

Dispersion delivered IM

Placebo

Participants will receive 3 IM injections of vaccine-matching placebo on Days 1, 57, and 169.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type BIOLOGICAL

Solution delivered IM

Interventions

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mRNA-1975

Dispersion delivered IM

Intervention Type BIOLOGICAL

mRNA-1982

Dispersion delivered IM

Intervention Type BIOLOGICAL

Placebo

Solution delivered IM

Intervention Type BIOLOGICAL

Other Intervention Names

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SR1-7 SR1

Eligibility Criteria

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Inclusion Criteria

* Body mass index of 18 to 39 kilograms/square meter (inclusive) at the Screening Visit.
* Participants of nonchildbearing potential may be enrolled in the study.
* For female participants of childbearing potential: negative pregnancy test, adequate contraception or has abstained from all activities that could result in pregnancy during the study intervention period, and agreement to continue adequate contraception or abstinence through 3 months following last study injection.

Exclusion Criteria

* Have chronic illness related to Lyme disease or an active symptomatic Lyme disease infection as suspected or diagnosed by a physician.
* Received treatment for Lyme disease within the prior 3 months.
* Had previous vaccination against Lyme disease or participated in the past in any vaccine study for Lyme disease.
* Had a tick bite within 4 weeks prior to the study injection visit.
* Dermatologic conditions that could affect local solicited AR assessments (for example, tattoos; psoriasis patches affecting skin over the deltoid areas).
* Received systemic immunosuppressants for \>14 days in total within 180 days prior to the Screening Visit (for corticosteroids, ≥10 milligrams/day of prednisone or equivalent) or is anticipating the need for systemic immunosuppressive treatment at any time during participation in the study.
* History of myocarditis, pericarditis, or myopericarditis regardless of the timing of past medical history.
* History of anaphylaxis, urticaria, or other significant adverse reaction requiring medical intervention after receipt of a vaccine or intervention that includes one or more of the same components contained in the study injection.
* Has received systemic immunoglobulins, long-acting biological therapies that affect immune responses (for example, infliximab) or blood products within 90 days prior to the Screening Visit or plans to receive them during the study.
Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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ModernaTX, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Clinical Research Consulting, LLC

Milford, Connecticut, United States

Site Status

Stamford Therapeutics Consortium

Stamford, Connecticut, United States

Site Status

Chase Medical Research, LLC

Waterbury, Connecticut, United States

Site Status

Encore Research Group-Jacksonville Center for Clinical Research

Jacksonville, Florida, United States

Site Status

University Clinical Research-DeLand, LLC d/b/a Accel Research Sites

Lake Mary, Florida, United States

Site Status

Clinical Research Atlanta, headlands LLC

Stockbridge, Georgia, United States

Site Status

Johnson County Clin-Trials, Inc. (JCCT)

Lenexa, Kansas, United States

Site Status

Centennial Medical Group

Columbia, Maryland, United States

Site Status

Advanced Primary and Geriatric Care

Rockville, Maryland, United States

Site Status

DM Clinical Research - Brookline

Brookline, Massachusetts, United States

Site Status

Clinical Research Institute, Inc.

Minneapolis, Minnesota, United States

Site Status

Meridian Clinical Research - Omaha

Omaha, Nebraska, United States

Site Status

ActivMed Research LLC

Newington, New Hampshire, United States

Site Status

Rochester Clinical Research, Inc.

Rochester, New York, United States

Site Status

Lynn Health Science Institute

Oklahoma City, Oklahoma, United States

Site Status

Hatboro Medical Associates/CCT Research

Hatboro, Pennsylvania, United States

Site Status

Velocity Clinical Research Providence

Providence, Rhode Island, United States

Site Status

Benchmark Research

Fort Worth, Texas, United States

Site Status

DM Clinical Research

Tomball, Texas, United States

Site Status

Charlottesville Medical Research Center, LLC

Charlottesville, Virginia, United States

Site Status

Countries

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United States

Other Identifiers

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mRNA-1975/1982-P101

Identifier Type: -

Identifier Source: org_study_id

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