Evaluating the impact of an Intradermal Needle-free Delivery Device on a Polio Routine Immunization Program

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

PACTR

Registry ID

PACTR202308820044137

Enrollment

5200

Registered

2023-08-10

Start date

2023-07-13

Completion date

Unknown

Last updated

2026-09-14

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

Conditions

Polio

Interventions

Tropis Needle free Injection System

status quo IPV vaccine administration

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Previously unvaccinated against IPV Aged over 6 weeks Seeking immunization at an outreach or fixed site

Exclusion criteria

Exclusion criteria: Previously vaccinated against IPV Aged less than 6 weeks

Design outcomes

Primary

Measure	Time frame
percentage of children 3-12 months old who receive two doses of IPV, defined as evidence of vaccination by documented vaccination card or by verbal history	—

Secondary

Measure	Time frame
Percentage of children 3-12 months old who receive at least one dose of IPV, defined as evidence of vaccination by documented vaccination card or by verbal history;Percentage of caregivers who report acceptability of the Tropis method	—

Countries

Nigeria

Contacts

Public ContactPaul LaBarre

Vice President of Global Business Development

paul.labarre@pharmajet.com+13602289815

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Sep 19, 2026