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Extension Safety and Immunogenicity Study of GPNV-001

A Safety and Immunogenicity Extension Study of GPNV-001

Status
Completed
Phases
Phase 1Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05982314
Enrollment
60
Registered
2023-08-08
Start date
2023-07-17
Completion date
2024-08-30
Last updated
2024-12-18

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

Conditions

Pneumococcal Infections

Brief summary

A 6 and 12 month safety and immunogenicity study of participants in study GPNV-001, a novel whole-cell pneumococcal vaccine.

Detailed description

A 6 and 12 month safety and immunogenicity study of participants in study GPNV-001, a novel whole-cell pneumococcal vaccine. Up to 20 participants per cohort will be invited.

Interventions

BIOLOGICALGamma-PN3

Experimental whole-cell pneumococcal vaccine

BIOLOGICALPneumovax-23

Licensed pneumococcal vaccine

BIOLOGICALPrevenar-13

Licensed pneumococcal vaccine

BIOLOGICALPlacebo

Saline placebo

Sponsors

GPN Vaccines
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 69 Years
Healthy volunteers
Yes

Inclusion criteria

1. Completion of study GPNV-001 as per protocol with no significant deviations. 2. Has provided written informed consent.

Exclusion criteria

1. Potential participants will be excluded if they have received a pneumococcal vaccine since the end of study visit for study GPNV-001 2. A potential participant has had an episode of pneumonia since completing Study GPNV-001

Design outcomes

Primary

MeasureTime frameDescription
Serum IgG titre to Gamma-PN36 months and 12 monthsSerum IgG titre to the vaccine
Serious adverse events6 months and 12 monthsSerious adverse events occurring after day 57 of study GPNV-001

Secondary

MeasureTime frameDescription
Opsonophagocytic antibodies to pneumococcal strains6 months and 12 monthsSerum OPA titres to up to 24 pneumococcal serotypes

Countries

Australia

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026