NCT07297186

Brief Summary

The study aimed to evaluate the safety and immunogenicity of a Sabin strain-based inactivated polio vaccine in infants aged two months (60\~89 days).

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
1,200

participants targeted

Target at P75+ for phase_3

Timeline
Completed

Started Aug 2017

Longer than P75 for phase_3

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

August 21, 2017

Completed
5.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 10, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 10, 2023

Completed
2.7 years until next milestone

First Submitted

Initial submission to the registry

December 9, 2025

Completed
13 days until next milestone

First Posted

Study publicly available on registry

December 22, 2025

Completed
Last Updated

December 22, 2025

Status Verified

December 1, 2025

Enrollment Period

5.6 years

First QC Date

December 9, 2025

Last Update Submit

December 9, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • the seroconversion rates of poliovirus type I, type II and type III neutralizing antibodies

    30 days after the primary immunization

Study Arms (2)

study group

EXPERIMENTAL

600 participants

Biological: sIPV

control group

ACTIVE COMPARATOR

600 participants

Biological: wIPV

Interventions

sIPVBIOLOGICAL

sIPVs were developed by Biominhai (Beijing Minhai Biotechnology Co. Ltd.)

study group
wIPVBIOLOGICAL

wIPVs were developed by Sanofi Pasteur

control group

Eligibility Criteria

Age60 Days - 89 Days
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17)

You may qualify if:

  • Healthy permanent residents aged 2 months (60\~89 days);
  • Infant's legal guardians agree to sign the informed consent forms voluntarily;
  • Infant's legal guardians are able to comply with the requirements of the clinical trial protocol;
  • Armpit temperature ≤ 37.0 ℃

You may not qualify if:

  • preterm birth (gestational age \< 37 weeks);
  • the presence of congenital malformations, developmental disorders, genetic defects, or severe malnutrition;
  • had a history of poliomyelitis;
  • had a personal or family history of allergy, convulsions, epilepsy, encephalopathy, or psychiatric disorders;
  • had known hypersensitivity to any component of the study vaccine or a history of severe allergic reaction (e.g., anaphylaxis) to any previous vaccination;
  • had immunodeficiency or receipt of immunosuppressive therapy;
  • diagnosed coagulation disorders (including factor deficiencies, coagulopathies, platelet abnormalities) or evidence of significant bruising/bleeding diathesis;
  • had known or investigator-suspected concurrent acute or active chronic diseases (including respiratory, cardiovascular, hepatic, renal, or dermatological conditions) or acute infection, or maternal HIV infection;
  • occurrence of fever (axillary temperature ≥ 38.0 °C) within the 3 days preceding enrollment;
  • had acute illness requiring systemic antibiotic or antiviral treatment within the 7 days preceding enrollment;
  • administration of blood products within the 3 months preceding enrollment;
  • had receipt of any live attenuated vaccine within the 14 days preceding enrollment;
  • had receipt of any inactivated or subunit vaccine within the 7 days preceding enrollment;
  • had recent administration of any other experimental product and any other condition deemed by the investigator as potentially interfering with the assessment of trial outcomes.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Jiangsu Provincial Center for Diseases Control and Prevention

Nanjing, Jiangsu, 210009, China

Location

MeSH Terms

Conditions

Poliomyelitis

Condition Hierarchy (Ancestors)

MyelitisCentral Nervous System InfectionsInfectionsEnterovirus InfectionsPicornaviridae InfectionsRNA Virus InfectionsVirus DiseasesCentral Nervous System DiseasesNervous System DiseasesSpinal Cord DiseasesNeuroinflammatory DiseasesNeuromuscular Diseases

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 9, 2025

First Posted

December 22, 2025

Study Start

August 21, 2017

Primary Completion

April 10, 2023

Study Completion

April 10, 2023

Last Updated

December 22, 2025

Record last verified: 2025-12

Data Sharing

IPD Sharing
Will not share

Locations