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A trial to evaluate the safety and reactogenicity of an investigational pneumococcal vaccine in toddlers 12 to 15 months of age receiving a single booster dose

A Phase 1, observer-blind, randomised, active controlled trial to evaluate the safety and reactogenicity of an investigational pneumococcal vaccine in toddlers 12 to 15 months of age receiving a single booster dose

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
PACTR
Registry ID
PACTR202605631649775
Enrollment
45
Registered
2026-05-29
Start date
2026-05-15
Completion date
Unknown
Last updated
2026-06-22

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

Conditions

Pneumococcal Disease Paediatrics

Interventions

Sponsors

GlaxoSmithKline Biologicals SA
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Participants will be included in the study if they: • Are male or female, aged between 12 and 15 months old (meaning from their first birthday up to the day before their 16-month birthday). • Are healthy or have stable medical conditions, as determined by the study doctor. • Have received the pneumococcal vaccine and has already completed a two-doses of PCV10 (10-valent pneumococcal conjugate vaccine).

Exclusion criteria

Exclusion criteria: Participants will be excluded from the study if they: • Have a confirmed or suspected condition that weakens their immune system, major birth defects, or uncontrolled nerve or brain disorders. • Have previously had confirmed invasive pneumococcal disease (IPD), which is a serious infection caused by Streptococcus pneumoniae bacteria. • Have received other pneumococcal vaccines apart from their two doses of PCV10.

Design outcomes

Primary

MeasureTime frame
• Occurrence of expected medical problems, called solicited Adverse Events (AEs), that occur at the injection site and throughout the body, within 7 days after vaccination. • Occurrence of unexpected medical problems, called unsolicited AEs, that occur during the first month after vaccination. • Occurrence of Serious AE events (SAEs) and AEs of Special Interest (AESIs) and side effects that are so severe which can cause the participant to stop the treatment during the study period • Occurrence of any significant changes in the participants' blood and basic health measurements on Day 8 as compared to pre-vaccination day.

Countries

South Africa

Contacts

Public ContactItumeleng Siweya

Clinical Operations Director. GMASE Head Clinical Operations South Africa

itumeleng.i.siweya@gsk.com+27103001000

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Jun 29, 2026