Study of Different Formulations of Vaccines Encoding the RSV Monovalent Antigen or the Flu H5 Antigen in Participants 18 to 49 Years of Age

NCT07516418 · Status: RECRUITING · Phase: PHASE1 · Type: INTERVENTIONAL · Enrollment: 570

Last updated 2026-05-08

No results posted yet for this study

Summary

The purpose of this study is to evaluate the safety and immunogenicity of different formulations of vaccines encoding the RSV monovalent antigen or the Flu hemagglutinin subtype 5 (H5) antigen in healthy participants aged 18 to 49 years.

The total duration of study participation for each participant varies by stage and treatment arm.

Stage 1:

* For Arm 1, Arm 2, and Arm 3 the duration of study participation will be approximately 7 months for each participant.
* For Arm 4, Arm 5, and Arm 6 the duration of study participation will be approximately 6 months for each participant.

Stage 2: For all arms, the duration of study participation will be approximately 7 months for each participant.

Conditions

  • Respiratory Syncytial Virus (RSV)
  • Influenza A(H5N1)

Interventions

BIOLOGICAL

H5 Flu Investigational Medical Product (IMP) 1

Suspension for injection. Route of administration: Intramuscular (IM) injection

BIOLOGICAL

H5 Flu IMP 2

Suspension for injection. Route of administration: Intramuscular (IM) injection

BIOLOGICAL

H5 Flu IMP 3

Suspension for injection. Route of administration: Intramuscular (IM) injection

BIOLOGICAL

RSV IMP 4

Suspension for injection. Route of administration: Intramuscular (IM) injection

BIOLOGICAL

RSV IMP 5

Suspension for injection. Route of administration: Intramuscular (IM) injection

BIOLOGICAL

RSV IMP 6

Suspension for injection. Route of administration: Intramuscular (IM) injection

BIOLOGICAL

H5 Flu IMP 7

Suspension for injection. Route of administration: Intramuscular (IM) injection

BIOLOGICAL

H5 Flu IMP 8

Suspension for injection. Route of administration: Intramuscular (IM) injection

BIOLOGICAL

H5 Flu IMP 9

Suspension for injection. Route of administration: Intramuscular (IM) injection

BIOLOGICAL

H5 Flu IMP 10

Suspension for injection. Route of administration: Intramuscular (IM) injection

BIOLOGICAL

H5 Flu IMP 11

Suspension for injection. Route of administration: Intramuscular (IM) injection

BIOLOGICAL

H5 Flu IMP 12

Suspension for injection. Route of administration: Intramuscular (IM) injection

Sponsors & Collaborators

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
TRIPLE
Model
SEQUENTIAL

Eligibility

Min Age
18 Years
Max Age
49 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2026-04-15
Primary Completion
2027-04-04
Completion
2027-04-04

Countries

  • Australia

Study Locations

More Related Trials

Entities

Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07516418 on ClinicalTrials.gov