~9 spots leftby Apr 2026

Evaluating the Infectivity, Safety, and Immunogenicity of the Recombinant Live-Attenuated Respiratory Syncytial Virus (RSV) Vaccines RSV ΔNS2/Δ1313/I1314L or RSV 276 in RSV-Seronegative Infants and Children 6 to 24 Months of Age

Recruiting in Palo Alto (17 mi)
+2 other locations
RA
Overseen byRuth A. Karron, MD
Age: < 18
Sex: Any
Travel: May Be Covered
Time Reimbursement: Varies
Trial Phase: Phase 1
Waitlist Available
Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)

Trial Summary

What is the purpose of this trial?

The purpose of this study is to evaluate the infectivity, safety, and immunogenicity of the recombinant live-attenuated respiratory syncytial virus (RSV) vaccines RSV ΔNS2/Δ1313/I1314L or RSV 276 or placebo when delivered as nose drops to RSV-seronegative infants and children 6 to 24 months of age. This study is a companion study to IMPAACT 2018.

Research Team

RA

Ruth A. Karron, MD

Principal Investigator

Center for Immunization Research (CIR), Johns Hopkins Bloomberg School of Public Health (JHSPH)

Eligibility Criteria

Inclusion Criteria

Greater than or equal to 6 months (defined as greater than or equal to 180 days) of age at the time of screening and less than 25 months (defined as less than 750 days) of age at the time of enrollment
In good health based on review of the medical record, history, and physical examination, without evidence of chronic disease.
Parent/guardian is willing and able to provide written informed consent as described in the protocol.
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Treatment Details

Interventions

  • Placebo (Other)
  • RSV 276 (Virus Therapy)
  • RSV ΔNS2/Δ1313/I1314L (Virus Therapy)
Participant Groups
3Treatment groups
Experimental Treatment
Placebo Group
Group I: RSV ΔNS2/Δ1313/I1314L vaccineExperimental Treatment1 Intervention
Participants will receive a single dose of the RSV ΔNS2/Δ1313/I1314L vaccine at study entry (Day 0).
Group II: RSV 276 vaccineExperimental Treatment1 Intervention
Participants will receive a single dose of the RSV 276 vaccine at study entry (Day 0).
Group III: PlaceboPlacebo Group1 Intervention
Participants will receive a single dose of placebo at study entry (Day 0).

Find a Clinic Near You

Who Is Running the Clinical Trial?

National Institute of Allergy and Infectious Diseases (NIAID)

Lead Sponsor

Trials
3,361
Recruited
5,516,000+

Dr. Jeanne Marrazzo

National Institute of Allergy and Infectious Diseases (NIAID)

Chief Executive Officer since 2023

MD, MPH

Dr. H. Clifford Lane profile image

Dr. H. Clifford Lane

National Institute of Allergy and Infectious Diseases (NIAID)

Chief Medical Officer

MD