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Study to Evaluate the Safety and Immune Response of an Investigational Vaccine for the Prevention of RSV (Respiratory Syncytial Virus) and (hMPV) Human Metapneumovirus Infection in Participants Aged 60 to 75 Years

Phase 1
Active, not recruiting
Conditions
RSV Infection
hMPV
Interventions
Biological: RSV/hMPV vaccine dose A1
Biological: RSV/hMPV vaccine dose A3
Biological: RSV/hMPV vaccine dose A2
Biological: RSV/hMPV vaccine dose B1
Biological: RSV/hMPV vaccine dose B2
Biological: RSV/hMPV vaccine dose B3
Biological: RSV/hMPV vaccine dose C1
Biological: RSV/hMPV vaccine dose C2
Biological: RSV/hMPV vaccine dose C3
Biological: RSV/hMPV vaccine dose 1
Biological: RSV/hMPV vaccine dose 2
Biological: RSV/hMPV vaccine dose 3
Biological: Monovalent RSV Vaccine
Registration Number
NCT06583031
Lead Sponsor
Sanofi Pasteur, a Sanofi Company
Brief Summary

VAV00039 is a first-in-human (FiH) study to assess the safety and immunogenicity (in adult participants aged 60-75 years) after a single injection of different dose formulations of an RSV/hMPV vaccine candidate and RSV vaccine.

Detailed Description

The duration of participation will be approximately 6 months for each participant.

Recruitment & Eligibility

Status
ACTIVE_NOT_RECRUITING
Sex
All
Target Recruitment
385
Inclusion Criteria
  • Aged 60 to 75 years on the day of inclusion
  • A female participant is eligible to participate if she is post-menopausal for at least 1 year, or surgically sterile
Exclusion Criteria
  • Any condition which, in the opinion of the Investigator, might interfere with the evaluation of the study objectives.
  • The above information is not intended to contain all considerations relevant to a patient's potential participation in a clinical trial.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Group 1 RSV/hMPV dose A1RSV/hMPV vaccine dose A1Participants will receive a single IM (Intramuscular) injection on day 1 of the RSV/hMPV vaccines according to their randomization schedule.
Group 3 RSV/hMPV dose A3RSV/hMPV vaccine dose A3Participants will receive a single IM injection on day 1 of the RSV/hMPV vaccines according to their randomization schedule.
Group 2 RSV/hMPV dose A2RSV/hMPV vaccine dose A2Participants will receive a single IM injection on day 1 of the RSV/hMPV vaccines according to their randomization schedule.
Group 4 RSV/hMPV dose B1RSV/hMPV vaccine dose B1Participants will receive a single IM injection on day 1 of the RSV/hMPV vaccines according to their randomization schedule.
Group 5 RSV/hMPV dose B2RSV/hMPV vaccine dose B2Participants will receive a single IM injection on day 1 of the RSV/hMPV vaccines according to their randomization schedule.
Group 6 RSV/hMPV dose B3RSV/hMPV vaccine dose B3Participants will receive a single IM injection on day 1 of the RSV/hMPV vaccines according to their randomization schedule.
Group 7 RSV/hMPV dose C1RSV/hMPV vaccine dose C1Participants will receive a single IM injection on day 1 of the RSV/hMPV vaccines according to their randomization schedule.
Group 8 RSV/hMPV dose C2RSV/hMPV vaccine dose C2Participants will receive a single IM injection on day 1 of the RSV/hMPV vaccines according to their randomization schedule.
Group 9 RSV/hMPV dose C3RSV/hMPV vaccine dose C3Participants will receive a single IM injection on day 1 of the RSV/hMPV vaccines according to their randomization schedule.
Group 10 RSV/hMPV dose 1RSV/hMPV vaccine dose 1Participants will receive a single IM injection on day 1 of the RSV/hMPV vaccines according to their randomization schedule.
Group 11 RSV/hMPV dose 2RSV/hMPV vaccine dose 2Participants will receive a single IM injection on day 1 of the RSV/hMPV vaccines according to their randomization schedule.
Group 12 RSV/hMPV dose 3RSV/hMPV vaccine dose 3Participants will receive a single IM injection on day 1 of the RSV/hMPV vaccines according to their randomization schedule.
Group 13 Monovalent RSV VaccineMonovalent RSV VaccineParticipants will receive a single IM injection on day 1 of a Monovalent (MV) RSV vaccine according to their randomization schedule.
Primary Outcome Measures
NameTimeMethod
Presence of any unsolicited systemic Adverse Events (AEs) reported within 30 minutes after vaccinationOn Day 1
Presence of solicited injection site and systemic reactions (ie, pre-listed in the participant's diary and in the eCRF (electronic case report form) occurring through 7 days after vaccinationDay 1 through day 8
Presence of unsolicited AEs reported through 28 days after vaccinationDay 1 through day 29
Presence of SAEs (Serious Adverse Events) and AESIs (Adverse Events of Special Interest) throughout the study (ie, through 6 months after vaccinationSAE: Screening through day 181; AESI: Day 1 through day 181
Presence of out-of-range biological test results (including shift from baseline values) through 7 days after vaccinationScreening through day 8
Secondary Outcome Measures
NameTimeMethod
RSV A and RSV B serum nAb (neutralizing antibodies) titers at pre-vaccination and 28 days post-vaccination in all participantsAt day 1 and day 29
hMPV A serum nAb titers at pre-vaccination and 28 days post-vaccination in all participants, except in those receiving the MV RSV vaccineAt day 1 and day 28
RSV A and RSV B nAb titers at pre-vaccination, 28 days, 3 months, and 6 months post-vaccination in all participantsAt day 1, day 29, day 91, and day 181
RSV A serum anti-F IgG (immunoglobulin type G) Ab (Antibody) titers at pre-vaccination, 28 days, 3 months, and 6 months post-vaccination in all participantsAt day 1, day 29, day 91, and day 181
hMPV A nAb titers at pre-vaccination, 28 days, 3 months, and 6 months post-vaccination in all participants, except in those receiving the MV RSV vaccineAt day 1, day 29, day 91, and day 181
hMPV serum anti-F IgG Ab titers at pre-vaccination, 28 days, 3 months, and 6 months post-vaccination in all participants, except in those receiving the MV RSV vaccineAt day 1, day 29, day 91, and day 181

Trial Locations

Locations (6)

Site # 0361004

🇦🇺

Botany, New South Wales, Australia

Site # 031001

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Brookvale, New South Wales, Australia

Site # 0361006

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Miranda, New South Wales, Australia

Site # 0361002

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Wollongong, New South Wales, Australia

Site # 0361003

🇦🇺

Herston, Queensland, Australia

Site # 0361005

🇦🇺

South Brisbane, Queensland, Australia

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