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Safety, Tolerability, and Immunogenicity of VAL-339851 in Healthy Adult Subjects

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT03345043
Recruitment Status : Completed
First Posted : November 17, 2017
Last Update Posted : January 11, 2021
Information provided by (Responsible Party):
ModernaTX, Inc.

Tracking Information
First Submitted Date  ICMJE November 14, 2017
First Posted Date  ICMJE November 17, 2017
Last Update Posted Date January 11, 2021
Actual Study Start Date  ICMJE May 11, 2016
Actual Primary Completion Date August 13, 2018   (Final data collection date for primary outcome measure)
Current Primary Outcome Measures  ICMJE
 (submitted: November 14, 2017)
  • Frequency of solicited AEs (local and systemic reactogenicity events) [ Time Frame: 7 days following each dose administration ]
  • Frequency of unsolicited adverse events [ Time Frame: 21 days following each dose administration ]
  • Frequency of serious adverse events (SAE), adverse events of special interest (AESI), medically-attended AEs, and new onset of chronic illness [ Time Frame: One year after last dose administration ]
Original Primary Outcome Measures  ICMJE Same as current
Change History
Current Secondary Outcome Measures  ICMJE
 (submitted: November 14, 2017)
  • Titers of hemagglutinin inhibition (HAI) and microneutralization antibodies in comparison with baseline sample [ Time Frame: One year after last dose administration ]
  • Seroconversion rates in comparison to baseline samples [ Time Frame: One year after last dose administration ]
Original Secondary Outcome Measures  ICMJE Same as current
Current Other Pre-specified Outcome Measures Not Provided
Original Other Pre-specified Outcome Measures Not Provided
Descriptive Information
Brief Title  ICMJE Safety, Tolerability, and Immunogenicity of VAL-339851 in Healthy Adult Subjects
Official Title  ICMJE A Phase 1, Randomized, Double-Blind, Placebo-Controlled, Dose-Escalation Study to Evaluate the Safety and Immunogenicity of VAL-339851 in Healthy Subjects
Brief Summary This clinical study will assess the safety, tolerability and immunogenicity of VAL-339851 in healthy subjects.
Detailed Description Not Provided
Study Type  ICMJE Interventional
Study Phase  ICMJE Phase 1
Study Design  ICMJE Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Triple (Participant, Care Provider, Investigator)
Masking Description:
Double blind
Primary Purpose: Prevention
Condition  ICMJE Influenza
Intervention  ICMJE
  • Biological: VAL-339851
    Escalating dose levels
  • Other: Placebo
Study Arms  ICMJE
  • Experimental: VAL-339851
    Intervention: Biological: VAL-339851
  • Placebo Comparator: Placebo
    Intervention: Other: Placebo
Publications * Feldman RA, Fuhr R, Smolenov I, Mick Ribeiro A, Panther L, Watson M, Senn JJ, Smith M, Almarsson Ӧ, Pujar HS, Laska ME, Thompson J, Zaks T, Ciaramella G. mRNA vaccines against H10N8 and H7N9 influenza viruses of pandemic potential are immunogenic and well tolerated in healthy adults in phase 1 randomized clinical trials. Vaccine. 2019 May 31;37(25):3326-3334. doi: 10.1016/j.vaccine.2019.04.074. Epub 2019 May 10.

*   Includes publications given by the data provider as well as publications identified by Identifier (NCT Number) in Medline.
Recruitment Information
Recruitment Status  ICMJE Completed
Actual Enrollment  ICMJE
 (submitted: November 14, 2017)
Original Actual Enrollment  ICMJE Same as current
Actual Study Completion Date  ICMJE August 13, 2018
Actual Primary Completion Date August 13, 2018   (Final data collection date for primary outcome measure)
Eligibility Criteria  ICMJE

Inclusion Criteria:

  • Agrees to comply with the study procedures and provides written informed consent
  • 18 to 49 years of age
  • Body mass index between 18 and 35 kg/m2
  • 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 3 weeks prior to enrollment and through the end of study visit
  • In good health based on medical history, physical examination, vital sign measurements and laboratory safety tests performed prior to initial study vaccination
  • Has access to a consistent and reliable means of telephone contact and agrees to stay in contact with the study site for the duration of the study

Exclusion Criteria:

  • Any ongoing, symptomatic acute or chronic illness requiring medical or surgical care
  • Administration of another investigational product within 60 days, or 5 half-lives, whichever is longer
  • Participation in an investigational study involving lipid nanoparticles
  • A history of hypersensitivity or serious reactions to previous influenza vaccinations
  • History of Guillain-Barré Syndrome within 6 weeks following a previous influenza vaccine
  • History of narcolepsy
  • Administration of any licensed (inactivated or live) vaccines within 4 weeks before enrollment or plans to receive any vaccine within 12 weeks of the last study drug administration; receipt of any other avian H7N9 influenza vaccine at any time prior to or during the study is exclusionary
  • Any known or suspected immunosuppressive condition, acquired or congenital, as determined by history and/or physical examination.
  • Any chronic administration of immunosuppressant or other immune-modifying drugs within 6 months prior to administration of study vaccine
  • Administration of immunoglobulins and/or any blood products within the 3 months preceding the administration of the study vaccine or during the study.
  • Any acute disease at the time of enrollment
  • Any significant disorder of coagulation requiring ongoing or intermittent treatment
  • Active neoplastic disease or a history of any hematologic malignancy
  • History of alcohol abuse or drug addiction within 1 year before the planned day of dose administration
  • A positive test result for drugs of abuse or alcohol at screening or before the first dose administration
  • Persons employed in a capacity that involves handling poultry or wild birds.
  • The subject has any abnormality or permanent body art (eg, tattoo) that, in the opinion of the investigator, would obstruct the ability to observe local reactions at the injection site
  • Any condition, that in the opinion of the Investigator would pose a health risk to the subject if enrolled or could interfere with evaluation of the vaccine or interpretation of the study results
  • A positive test result for hepatitis B surface antigen, hepatitis C virus antibody, or human immunodeficiency virus types 1 or 2 antibodies at screening
  • Donation of blood or blood products > 450 mL within 30 days of dosing
Sex/Gender  ICMJE
Sexes Eligible for Study: All
Ages  ICMJE 18 Years to 49 Years   (Adult)
Accepts Healthy Volunteers  ICMJE Yes
Contacts  ICMJE Contact information is only displayed when the study is recruiting subjects
Listed Location Countries  ICMJE United States
Removed Location Countries  
Administrative Information
NCT Number  ICMJE NCT03345043
Other Study ID Numbers  ICMJE VAL-339851-P101
Has Data Monitoring Committee Yes
U.S. FDA-regulated Product
Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
IPD Sharing Statement  ICMJE
Plan to Share IPD: No
Current Responsible Party ModernaTX, Inc.
Original Responsible Party Same as current
Current Study Sponsor  ICMJE ModernaTX, Inc.
Original Study Sponsor  ICMJE Same as current
Collaborators  ICMJE Not Provided
Investigators  ICMJE Not Provided
PRS Account ModernaTX, Inc.
Verification Date January 2021

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP