NCT03392389

Brief Summary

This clinical study will assess the safety, reactogenicity and immunogenicity of mRNA-1653, a combined human metapneumovirus and human parainfluenza virus type 3 vaccine in healthy adults.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
124

participants targeted

Target at P75+ for phase_1

Timeline
Completed

Started Dec 2017

Geographic Reach
1 country

3 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

December 4, 2017

Completed
29 days until next milestone

First Submitted

Initial submission to the registry

January 2, 2018

Completed
6 days until next milestone

First Posted

Study publicly available on registry

January 8, 2018

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 29, 2019

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 29, 2019

Completed
Last Updated

February 6, 2020

Status Verified

February 1, 2020

Enrollment Period

1.6 years

First QC Date

January 2, 2018

Last Update Submit

February 5, 2020

Conditions

Keywords

mRNA-1653human metapneumovirushuman parainfluenza vaccine

Outcome Measures

Primary Outcomes (7)

  • Frequency of solicited AEs (local and systemic reactogenicity events)

    7 days following each dose administration

  • Frequency of unsolicited adverse events

    28 days following each dose administration

  • Frequency of serious adverse events (SAE), adverse events of special interest (AESI), and medically-attended AEs

    one year following the last dose administration

  • Frequency of clinical laboratory adverse events

    1 month following the last dose administration

  • Geometric mean titer (GMT) of the serum anti-hMPV and anti-PIV3 neutralizing antibodies

    1 month following the last dose administration

  • Proportion of subjects with a ≥ 4-fold increase in serum anti-hMPV and anti-PIV3 neutralizing antibody titer from baseline to post-vaccination

    1 month following the last dose administration

  • Proportion of subjects who achieve serum anti-hMPV and anti-PIV3 neutralizing antibody titers greater than the third quartile of the serum anti-hMPV and anti-PIV3 antibody titers overall distribution at baseline

    1 month following the last dose administration

Secondary Outcomes (3)

  • Geometric mean titer (GMT) of the serum anti-hMPV and anti-PIV3 neutralizing antibodies

    6 months and 1 year following the last dose administration

  • Proportion of subjects with a ≥ 4-fold increase in serum anti-hMPV and anti-PIV3 neutralizing antibody titer from baseline to post-vaccination

    6 months and 1 year following the last dose administration

  • Proportion of subjects who achieve serum anti-hMPV and anti-PIV3 neutralizing antibody titers greater than the third quartile of the serum anti-hMPV and anti-PIV3 antibody titers overall distribution at baseline

    6 months and 1 year following the last dose administration

Study Arms (2)

mRNA-1653

EXPERIMENTAL
Biological: mRNA-1653

Placebo

PLACEBO COMPARATOR
Other: Placebo

Interventions

mRNA-1653BIOLOGICAL

Escalating dose levels

mRNA-1653
PlaceboOTHER

Saline

Placebo

Eligibility Criteria

Age18 Years - 49 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Agrees to comply with the study procedures and provides written informed consent
  • to 49 years of age
  • Body mass index between 18 and 35 kg/m2
  • In good health based on medical history, physical examination, vital sign measurements and laboratory safety tests performed prior to initial study vaccination
  • Negative urine pregnancy test at the screening visit and the day of each vaccination for females of childbearing potential
  • Female subjects must either be of non-childbearing potential or use acceptable methods of contraception from at least 30 days prior to enrollment and through 3 months following last vaccination
  • Willing to comply with the requirements of the protocol (eg, complete Diary Cards, return for follow-up visits, be available for safety phone calls)

You may not qualify if:

  • Any ongoing, symptomatic acute or chronic illness requiring medical or surgical care
  • A history of malignancy in the last 10 years
  • If female and of childbearing potential, is pregnant or lactating, has not adhered to an adequate contraception method from at least 30 days before study entry, or does not plan to do so for at least 3 months after the last vaccination
  • Abnormal screening safety laboratory test results including liver enzyme tests
  • Administration of any investigational or non-registered product (drug or vaccine) other than the study vaccine within 30 days preceding the first dose of study vaccine or has plans for administration during the study period
  • Prior administration of investigational agent using lipid nanoparticle formulations
  • A positive test result for hepatitis B surface antigen, hepatitis C virus antibody, or human immunodeficiency virus types 1 or 2 antibodies
  • A positive test result for drugs of abuse
  • Chronic administration of potentially hepatotoxic drugs or have other medical conditions that affect the liver (eg, alcohol abuse)
  • A history of idiopathic urticaria
  • Plans for administration or has been administered a vaccine within the period from 30 days before through 30 days after each study vaccination, with the exception of any licensed influenza vaccine administered ≥15 days before or after any study vaccination
  • Any chronic administration of an immunosuppressant or other immune modifying drug
  • Prior administration of immunoglobulins and/or any blood products within the 3 months before the first study vaccine or has plans for administration during the study period
  • Any known or suspected immune-mediated disease or immunosuppressive condition as determined by medical history and/or physical examination
  • A history of hypersensitivity or serious reactions to previous vaccinations
  • +5 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (3)

Meridian Clinical Research, LLC

Omaha, Nebraska, 68134, United States

Location

Benchmark Research

Austin, Texas, 78705, United States

Location

Benchmark Research

Fort Worth, Texas, 76135, United States

Location

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
PREVENTION
Intervention Model
SEQUENTIAL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 2, 2018

First Posted

January 8, 2018

Study Start

December 4, 2017

Primary Completion

July 29, 2019

Study Completion

July 29, 2019

Last Updated

February 6, 2020

Record last verified: 2020-02

Data Sharing

IPD Sharing
Will not share

Locations