Viewing Study NCT04520659


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Ignite Modification Date: 2026-02-24 @ 11:01 AM
Study NCT ID: NCT04520659
Status: COMPLETED
Last Update Posted: 2025-08-22
First Post: 2020-08-13
Is NOT Gene Therapy: True
Has Adverse Events: True

Brief Title: Evaluating the Infectivity, Safety and Immunogenicity of a Recombinant Live-Attenuated Respiratory Syncytial Virus Vaccine, LID/ΔM2-2/1030s, in RSV-Seronegative Infants and Children 6 to 24 Months of Age
Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)
Organization:

Study Overview

Official Title: Phase Ib Placebo-Controlled Study of the Infectivity, Safety and Immunogenicity of a Single Dose of a Recombinant Live-Attenuated Respiratory Syncytial Virus Vaccine, LID/ΔM2-2/1030s, Lot RSV#010A, Delivered as Nose Drops to RSV-Seronegative Infants and Children 6 to 24 Months of Age
Status: COMPLETED
Status Verified Date: 2025-08
Last Known Status: None
Delayed Posting: No
If Stopped, Why?: Not Stopped
Has Expanded Access: False
If Expanded Access, NCT#: N/A
Has Expanded Access, NCT# Status: N/A
Acronym: None
Brief Summary: The purpose of this study is to evaluate the infectivity, safety, and immunogenicity of a single dose of a recombinant, live-attenuated respiratory syncytial virus (RSV) vaccine, LID/ΔM2-2/1030s, in RSV-seronegative infants and children 6 to 24 months of age.
Detailed Description: This study will evaluate the infectivity, safety, and immunogenicity of a single dose of a recombinant, live-attenuated respiratory syncytial virus (RSV) vaccine, LID/ΔM2-2/1030s, in RSV-seronegative infants and children 6 to 24 months of age.

Participants will be randomly assigned to one of two groups to receive a single dose of intranasal RSV LID/ΔM2-2/1030s vaccine or placebo at study entry (Day 0). Group 1 (intensive) and Group 2 (less intensive) will differ only in the frequency of study visits and nasal swab collections.

Participants will receive study product between April 1 and October 15, outside of the RSV season, and will remain on the study until they complete the post-RSV season visit between April 1 and April 30 in the calendar year following enrollment. Participants' total study duration is between 6 and 13 months, depending upon time of enrollment.

Participants will attend several study visits throughout the study, which may include blood collection, nasal swabs, and physical examinations. Some of these visits may be remote if a stay at home order is put in place after enrollment.

Study Oversight

Has Oversight DMC: True
Is a FDA Regulated Drug?: True
Is a FDA Regulated Device?: False
Is an Unapproved Device?: None
Is a PPSD?: None
Is a US Export?: None
Is an FDA AA801 Violation?: