NCT03314103

Brief Summary

Varicella-zoster virus (VZV) is a herpesvirus that causes two distinct clinical syndromes.Primary infection is manifested as varicella (chickenpox), whereas reactivation of latent VZV results in a localized eruption known as herpes zoster. More than 99.6% of people 40 years of age orolder had evidence of previous VZV infection. This study plans to have 30000 adults 40 years of age or older involoved in a randomized, double-blind, placebo-controlled trial of an investigational live attenuated varicella-zoster virus vaccine. The investigational vaccines are produced by Changchun Changsheng biotechnology co. LTD. The incidence of herpes zoster and the severity, and duration of the associated pain and discomfort were measured after the vaccination. And the safety of the varicella-zoster virus vaccine is also evaluated.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
30,000

participants targeted

Target at P75+ for phase_3

Timeline
Completed

Started Oct 2017

Shorter than P25 for phase_3

Geographic Reach
1 country

3 active sites

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

October 6, 2017

Completed
8 days until next milestone

First Submitted

Initial submission to the registry

October 14, 2017

Completed
5 days until next milestone

First Posted

Study publicly available on registry

October 19, 2017

Completed
1.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 19, 2019

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

January 19, 2019

Completed
Last Updated

March 30, 2021

Status Verified

March 1, 2021

Enrollment Period

1.3 years

First QC Date

October 14, 2017

Last Update Submit

March 28, 2021

Conditions

Outcome Measures

Primary Outcomes (1)

  • The incidence of herpes zoster 30 days after vaccination.

    The incidence of herpes zoster diagnosed in participants 30 days after vaccination.

    30 days-2 years after the vaccination

Secondary Outcomes (12)

  • The incidence of herpes zoster after vaccination.

    within 0 day -2 years after the vaccination

  • The incidence of laboratory-confirmed herpes zoster 30 days after vaccination.

    30 days-2 years after the vaccination

  • The incidence of herpes zoster with severe postherpetic neuralgia (ZBPI scores≥3) 30 days after vaccination.

    30 days-2 years after the vaccination

  • The incidence of herpes zoster with postherpetic neuralgia 30 days after vaccination.

    30 days-2 years after the vaccination

  • The incidence of herpes zoster with severe pain (ZBPI scores≥3) 30 days after vaccination. Time Frame: 30 days-2 years after the vaccination

    The incidence of herpes zoster with severe pain (ZBPI scores≥3) in participants 30 days after vaccination.

  • +7 more secondary outcomes

Study Arms (2)

Vaccine

EXPERIMENTAL

live attenuated varicella-zoster virus vaccine (with live virus \>=4.3 LgPFU per dose)

Biological: One shot of the varicella-zoster virus vaccine

Placebo

PLACEBO COMPARATOR

Placebo with no live virus

Biological: one shot of placebo

Interventions

One shot of the live attenuated varicella-zoster virus vaccine (with live virus \>=4.3 LgPFU per dose)

Vaccine

one shot of placebo with no live virus

Placebo

Eligibility Criteria

Age40 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Healthy volunteers aged over 40 years (male or female).
  • Able to comply with all clinical trial protocol requirements and willing to complete all the visit plan process during the whole clinical trial observation period.
  • Able to understand the content of informed consent and willing to sign the informed consent.
  • Able to complete the diary card independently.
  • For females only (40-49 years), a negative urine pregnancy test and willing to practice continuous effective contraception during the study.
  • Axillary temperature ≤37.0°C.

You may not qualify if:

  • Prior history of herpes zoster.
  • Prior history of vaccination with herpes zoster vaccine or chickenpox vaccine.
  • History of allergic disease likely to be exacerbated by any component of the vaccine.
  • Taking immunoglobulins and/or any blood products within the last 3 months or will receive these products during the study period.
  • Taking certain pharmaceuticals to be like salicylate kind, including aspirin, and difluorosalicylic, or going to take these medicine during the study period.
  • Participation in another research study involving receipt of an investigational product in the last 30 days.
  • Prior administration of attenuated vaccine in last 28 days.
  • Prior administration of subunit vaccine, inactivated vaccine or allergic therapy in last 14 days.
  • History of serious disease and the participation in the clinical trial is likely to increase the disease risk and interfere with the observation of clinical trial index.
  • Taking immunosuppressive therapy in last 6 months.
  • Any autoimmune disease or immunodeficient state, autoimmune disease or immunodeficient disease.
  • Active tuberculosis patient.
  • Acute or chronic infections at the vaccination day (axillary temperature\>37.0°C).
  • Coagulation disorders (coagulation factor deficiency, coagulopathy or platelet disorder) diagnosed by doctors, or obvious bruises or blood coagulation noticed.
  • Woman who is breast-feeding.
  • +1 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (3)

Hunan Provincial Center for Disease Control and Prevention

Loudi, Hunan, 417000, China

Location

Jiangsu Province Centers for Disease Control and Prevention

Nanjing, Jiangsu, 210009, China

Location

Zhejiang Provincial Center for Disease Control and Prevention

Hanzhou, Zhejiang, 310051, China

Location

MeSH Terms

Conditions

Herpes Zoster

Condition Hierarchy (Ancestors)

Varicella Zoster Virus InfectionHerpesviridae InfectionsDNA Virus InfectionsVirus DiseasesInfections

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
NETWORK
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Profesor

Study Record Dates

First Submitted

October 14, 2017

First Posted

October 19, 2017

Study Start

October 6, 2017

Primary Completion

January 19, 2019

Study Completion

January 19, 2019

Last Updated

March 30, 2021

Record last verified: 2021-03

Data Sharing

IPD Sharing
Will not share

Locations