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A Phase 2b, non-randomized, controlled, open-label, extension study to evaluate the persistence of immune response of the adjuvanted RSVPreF3 vaccine and the safety and immunogenicity following revaccination in lung and kidney transplant recipients (≥18 years of age)

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2024-519730-23-00
Acronym
224083
Enrollment
71
Registered
2025-09-16
Start date
2025-11-10
Completion date
Unknown
Last updated
2025-09-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Respiratory Syncytial Virus Infections

Brief summary

•RSV-A and RSV-B serum neutralizing titers expressed as GMT at Visit 1 in IC-1 and IC-2 groups. •RSV-A and RSV-B serum neutralizing titers expressed as MGI at Visit 1 in the current study over 30 days post last dose in the parent study in IC-1 and IC-2 groups. •RSV-A and RSV-B serum neutralizing titers expressed as GMT in IC-1 and IC-2 groups at Visit 2 and Visit 3.

Detailed description

•RSV-A and RSV-B serum neutralizing titers expressed as group GMT ratio IC-2 over IC-1 at Visit 1., •RSV-A and RSV-B serum neutralizing titers expressed as MGI at Visit 2 and Visit 3 over Visit 1 in IC-1 and IC-2 groups., •RSV-A and RSV-B serum neutralizing titers expressed as MGI at Visit 2 in the RSV-031 study over 30 days post last dose in the parent study in IC-1 and IC-2 groups., Percentage of participants reporting: - each solicited administration site event with onset within 7 days after receiving the re-vaccination dose - each solicited systemic event with onset within 7 days after receiving the re-vaccination dose • unsolicited AEs within 30 days after receiving the re-vaccination dose • any SAEs and pIMDs after receiving the re-vaccination dose up to Month 6 • related SAEs and related pIMDs after receiving the re-vaccination dose up to study end, Percentage of participants reporting: -fatal SAEs after receiving the re-vaccination dose of the adjuvanted RSVPreF3 vaccine up to study end -AESIs, specific to kidney and lung SOT patients, after receiving the re-vaccination dose up to study end

Interventions

Sponsors

GlaxoSmithKline Biologicals
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
•RSV-A and RSV-B serum neutralizing titers expressed as GMT at Visit 1 in IC-1 and IC-2 groups. •RSV-A and RSV-B serum neutralizing titers expressed as MGI at Visit 1 in the current study over 30 days post last dose in the parent study in IC-1 and IC-2 groups. •RSV-A and RSV-B serum neutralizing titers expressed as GMT in IC-1 and IC-2 groups at Visit 2 and Visit 3.

Secondary

MeasureTime frame
•RSV-A and RSV-B serum neutralizing titers expressed as group GMT ratio IC-2 over IC-1 at Visit 1., •RSV-A and RSV-B serum neutralizing titers expressed as MGI at Visit 2 and Visit 3 over Visit 1 in IC-1 and IC-2 groups., •RSV-A and RSV-B serum neutralizing titers expressed as MGI at Visit 2 in the RSV-031 study over 30 days post last dose in the parent study in IC-1 and IC-2 groups., Percentage of participants reporting: - each solicited administration site event with onset within 7 days after receiving the re-vaccination dose - each solicited systemic event with onset within 7 days after receiving the re-vaccination dose • unsolicited AEs within 30 days after receiving the re-vaccination dose • any SAEs and pIMDs after receiving the re-vaccination dose up to Month 6 • related SAEs and related pIMDs after receiving the re-vaccination dose up to study end, Percentage of participants reporting: -fatal SAEs after receiving the re-vaccination dose of the adjuvanted RSVPreF3 vaccine up

Countries

Germany, Italy, Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026