Status:

RECRUITING

A Phase I/II Study to Evaluate the Safety and Immunogenicity of GC3111B in Healthy Adults

Lead Sponsor:

GC Biopharma Corp

Conditions:

Tetanus-diphtheria-acellular Pertussis (Tdap)

Eligibility:

All Genders

19-64 years

Phase:

PHASE1

PHASE2

Brief Summary

This clinical trial consists of two parts: Part 1, which explores safety, and Part 2, which examines both safety and efficacy (immunogenicity). Part 1 is a single-center, open-label, single-group stud...

Eligibility Criteria

Inclusion

  • Healthy adults aged 19 to 64 years old as of the date of written consent.
  • Individuals with no history of vaccination with a vaccine containing diphtheria, tetanus, or pertussis antigens within the past 2 years prior to administration of the investigational product.

Exclusion

  • Individuals who have received a vaccine within 4 weeks prior to administration of the investigational product.
  • Individuals with a history of Tdap vaccination prior to administration of the investigational product.
  • Pregnant and breastfeeding women.
  • Individuals who have participated in other clinical trials involving investigational products/devices within 6 months prior to administration of the investigational product.

Key Trial Info

Start Date :

June 5 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

May 1 2026

Estimated Enrollment :

120 Patients enrolled

Trial Details

Trial ID

NCT06997627

Start Date

June 5 2025

End Date

May 1 2026

Last Update

July 10 2025

Active Locations (1)

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Page 1 of 1 (1 locations)

1

The Catholic Univ. of Korea Eunpyeong St. Mary's Hospital

Seoul, South Korea, 1021