Actively Recruiting

Phase 1
Age: 18Years - 50Years
All Genders
Healthy Volunteers
NCT07016152

An Open-label, Dose-finding, Phase I Study to Evaluate the Safety and Immunogenicity of a Bivalent Klebsiella Pneumoniae Vaccine (CHO-V08) in Healthy Adults

Led by Cho Pharma Inc. · Updated on 2025-06-27

40

Participants Needed

1

Research Sites

93 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

CHO-V08 is currently being developed as a prevention vaccine against nosocomial and community-acquired infection caused by hypervirulent Klebsiella pneumoniae K1 and K2 serotypes. The goal of study (KLEBBI-001) is to evaluate the safety, reactogenicity, and immunogenicity of the preventive vaccine of CHO-V08 in healthy volunteers aged from 18 to 50 years old.

CONDITIONS

Official Title

An Open-label, Dose-finding, Phase I Study to Evaluate the Safety and Immunogenicity of a Bivalent Klebsiella Pneumoniae Vaccine (CHO-V08) in Healthy Adults

Who Can Participate

Age: 18Years - 50Years
All Genders
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • Male or non-pregnant female aged 18 to 50 years inclusive at screening
  • Body mass index between 18.0 and 30.0 kg/m2 inclusive at screening
  • Physically and mentally able to participate and willing to follow study procedures
  • Able to provide signed informed consent
  • Generally healthy based on medical history, physical exam, vital signs, and lab results at screening
  • Negative tests for HIV antibody, hepatitis B surface antigen, and hepatitis C antibody at screening
  • Female of childbearing potential with negative pregnancy test at screening
  • Female of childbearing potential willing to use highly effective contraception during study
  • Male agreeing to use adequate contraception during study
Not Eligible

You will not qualify if you...

  • Any medical or psychiatric condition that could interfere with participation or increase risk
  • Known or suspected allergy to vaccine components or history of allergy to any vaccine, especially pneumococcal vaccine
  • Current or past confirmed or suspected Klebsiella pneumoniae infection
  • Medical contraindications to intramuscular vaccination or blood draws, e.g., coagulation disorder
  • Body abnormalities or permanent tattoos that interfere with injection site observation
  • Significant acute or chronic cardiovascular, lung, liver, or kidney disease
  • Known or suspected immune system impairment or history of autoimmune or lymphoproliferative disorders
  • Lab abnormalities Grade 2 or higher or clinically significant per investigator
  • Abnormal ECG at screening that affects safety or study results
  • Positive test for SARS-CoV-2 at screening
  • Use of antibiotics within 1 week before first vaccination
  • History of chronic or progressive disease affecting study outcomes or health
  • Cancer history within 5 years except localized skin cancer without metastases
  • Heavy smoking history (>10 cigarettes/day) documented or reported
  • Substance or alcohol abuse within 6 months prior to screening
  • Vaccination within 1 month before screening or planned vaccination within 4 weeks after last study vaccination, except seasonal flu or COVID-19 vaccines outside study window
  • Major surgery or radiation therapy within 3 months prior to screening
  • Influenza-like illness within 1 week prior to screening
  • Female pregnant, lactating, or planning pregnancy during study or within 60 days after last vaccination
  • Participation in other clinical studies or investigational drug/device use within 3 months prior to screening
  • Confirmed or suspected immunosuppression or immunodeficiency or use of immunosuppressants/immunomodulators within 3 months prior to screening
  • Blood donation within 2 weeks prior to screening
  • Receipt of blood products or immunoglobulin within 3 months prior to screening

AI-Screening

AI-Powered Screening

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Trial Site Locations

Total: 1 location

1

National Taiwan University Hospital- Clinical Trial Center

Taipei, Taiwan, 100025

Actively Recruiting

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Research Team

T

Tanny Tsao

CONTACT

M

Ming-Hung Tsai

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NON_RANDOMIZED

Model

SEQUENTIAL

Primary Purpose

PREVENTION

Number of Arms

2

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