A Phase Ⅲ Clinical Study to Evaluate Protective Efficacy and Safety of a Recombinant Herpes Zoster Vaccine

Trial statusRecruiting
Trial phasePhase 3
Trial typeInterventional
Biological sexAll
Age40+
SponsorBeijing Luzhu Biotechnology Co., Ltd.

About this trial

This clinical trial is to study protective efficacy and safety of a recombinant herpes zoster vaccine (LZ901) and sponsored by Beijing Luzhu Biotechnology Co., Ltd. It is a phase Ⅲ, randomized, double-blind, placebo-controlled in healthy people aged 40 years and older. The study is to protect adults against shingles (herpes zoster / varicella zoster virus(VZV)). There will be about 26000 participators who will receive two-dose injection at the upper arm.

LZ901 vaccine is made up of a tetramer of VZV glycoprotein E (VZV gE-Fc) and adsorbed with aluminum hydroxide adjuvant. This adjuvant can raise the immune response to a lot of antigens. It is the most widely used and safe adjuvant in various types of vaccines worldwide.

Eligibility criteria

Qualifiers

Males and females able to provide legal identity certificate, aged ≥ 40 years inclusive at the time of signing the ICF;

Able to understand the study procedures, voluntarily agree to participate in the study, and sign the ICF;

Female subjects are not pregnant or lactating. Female subjects with childbearing potential should take reliable contraceptive measures, and have no pregnancy and fertility plan within 7 months;

Axillary temperature ≤ 37.0℃ on the day of enrollment;

Disqualifiers

Subjects who have had herpes zoster within the previous 5 years;

Previous vaccination against varicella or shingles (including use of a registered product or participation in a clinical trial of varicella or shingles vaccine);

Hypersensitivity to any of the components of the test vaccine: or prior hypersensitivity to any recombinant vaccine of CHO cell origin [e.g., recombinant hepatitis B vaccine (CHO cell)], polysorbate, etc.; or prior history of severe allergy* to any of the vaccinations;

Developed immunodeficiency diseases (congenital or acquired immunodeficiency diseases, human immunodeficiency virus infection) or received immunosuppressive/cytotoxic treatments (cancer chemotherapy, organ transplantation, or treatment planned during a clinical trial in the 6 months prior to vaccination);

Trial design

Treatments tested in this trial

  • Recombinant Herpes Zoster Vaccine
  • Recombinant Herpes Zoster Vaccine Placebo

Treatment groups

4 Participants
are divided into 4 treatment groups