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CompletedNCT05245838Updated Nov 7, 2022

Trial to Evaluate the Safety, Tolerability, and Immunogenicity of an Investigational Herpes Zoster Vaccine (Z-1018) Compared to Shingrix® in Healthy Adult Volunteers

A Phase 1 interventional study of Z-1018 and Z-1018 in Shingles, Herpes Zoster and Vaccine-Preventable Diseases, sponsored by Dynavax Technologies Corporation. Completed at 4 sites in Australia. Open to participants aged 50 Years to 69 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2022-11-07.

Sponsored by Dynavax Technologies Corporation · Phase 1, Interventional, and Prevention

Phase
Phase 1
Study type
Interventional
Enrollment
150
Allocation
Randomized
Ages
50 Years to 69 Years
Sex
All
01

Study summary

This is a randomized, active-controlled, dose-escalation multi-center study of 2 doses (Day 1 and Week 8) of an investigational herpes zoster (HZ) vaccine (Z-1018), combining herpes zoster antigen- (gE) with a Toll-like receptor 9 (TLR9) agonist adjuvant (CpG 1018) with and without alum in approximately 150 healthy volunteers 50 to 69 years of age (inclusive).

02

Conditions studied

  • Shingles
  • Herpes Zoster
  • Vaccine-Preventable Diseases
03

In context

Herpes Simplex

305 studies on the registry are indexed under Herpes Simplex; 31 are open to participants now.

This study's enrollment of 150 is above the median of 101 across 227 interventional studies indexed under Herpes Simplex.

Browse Herpes Simplex studies →

Lead sponsor

Dynavax Technologies Corporation is the lead sponsor of 25 studies on the registry; none are open to participants now.

Of its 7 completed or terminated interventional studies of FDA-regulated products, 6 (86%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
50 Years to 69 Years
Sexes eligible
All
Accepts healthy volunteers
Yes

Inclusion criteria

  • Male or female, 50 to 69 years of age
  • Be in good health in the opinion of the investigator, based upon medical history, physical examination, and laboratory evaluation
  • Must be able to comprehend and follow all required study procedures and be available for all visits scheduled in the study
  • Seronegative for human immunodeficiency virus (HIV)

Exclusion criteria

Exclusion Criteria:

  • History of HZ
  • Previous vaccination against varicella or HZ
  • If female of childbearing potential, is pregnant, breastfeeding, or planning a pregnancy
  • Known history of HIV (HIV 1/2 antibodies)
  • Has a history of sensitivity to any component of study vaccines
  • Has received any blood products or immunoglobulin within 90 days prior to study injection, or is likely to require infusion of blood products during the study period
  • Has received the following prior to the first injection:

    • 14 days: any non-live vaccine
    • 28 days:
    • Any live vaccine, including a COVID-19 vaccine
    • Systemic corticosteroids (more than 3 consecutive days) or other immunomodulators or immune suppressive medication, with the exception of inhaled steroids
    • Granulocyte or granulocyte-macrophage colony-stimulating factor
    • Any other investigational medicinal agent, including a COVID-19 vaccine
  • Chronic administration of immunosuppressants or other immune-modifying drugs within 6 months prior to the first vaccine dose
  • Is undergoing chemotherapy or expected to receive chemotherapy during the study period; has a diagnosis of cancer within the last 5 years other than squamous cell or basal cell carcinoma of the skin
  • History or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the study, interfere with the subject's participation for the full duration of the study, or is not in the best interest of the subject to participate, in the opinion of the treating investigator
  • History of autoimmune disease
05

Study design

Phase
Phase 1
Primary purpose
Prevention
Allocation
Randomized
Intervention model
Sequential assignment
Masking
Single (Participant)
Enrollment
150 participants (actual)

Study arms

  • Experimental
    Z-1018 Dose Level 1

    100 mcg gE + 3000 mcg CpG 1018

    Biological: Z-1018

  • Experimental
    Z-1018 Dose Level 1a

    100 mcg gE + 3000 mcg CpG 1018 + alum

    Biological: Z-1018

  • Experimental
    Z-1018 Dose Level 2

    100 mcg gE + 6000 mcg CpG 1018

    Biological: Z-1018

  • Experimental
    Z-1018 Dose Level 2a

    100 mcg gE + 6000 mcg CpG 1018 + alum

    Biological: Z-1018

  • Active comparator
    Shingrix

    Biological: Shingrix

Interventions

  • BiologicalZ-1018

    contains gE at a dose of 100 mcg to be combined with a Toll-like receptor 9 agonist adjuvant, CpG 1018 at dose of 3000 mcg

  • BiologicalZ-1018

    contains gE at a dose of 100 mcg to be combined with a Toll-like receptor 9 agonist adjuvant, CpG 1018 at dose of 3000 mcg with aluminum hydroxide (alum)

  • BiologicalZ-1018

    contains gE at a dose of 100 mcg to be combined with a Toll-like receptor 9 agonist adjuvant, CpG 1018 at dose of 6000 mcg

  • BiologicalZ-1018

    contains gE at a dose of 100 mcg to be combined with a Toll-like receptor 9 agonist adjuvant, CpG 1018 at dose of 6000 mcg, with aluminum hydroxide (alum)

  • BiologicalShingrix

    a suspension for injection supplied as a single-dose vial of 50 mcg varicella zoster virus (VZV) glycoprotein E (gE) antigen and AS01B adjuvant

06

What researchers measure

Primary outcomes

  1. Frequency of solicited local and systemic post-injection reactions (PIRs) 7 days after administration of study vaccine

    Time frame: Day 1 to day 7

  2. Frequency of solicited local and systemic post-injection reactions (PIRs) 7 days after administration of study vaccine.

    Time frame: Day 57 to day 63

  3. Number of AEs (Adverse Events)

    Time frame: Day 1 through week 20

  4. Number of SAEs (Serious Adverse Events)

    Time frame: Through week 20

Secondary outcomes

  1. Frequency of CD4+ T cells

    Time frame: At week 12

  2. Measure Geometric mean concentration (GMC) of IgG antibodies to varicella-zoster virus (VZV) antigen glycoprotein E (gE)

    Time frame: At week 12

  3. Response rate of vaccine

    Time frame: At week 12

07

Study locations

4 sites
  • Paratus Clinical Research Western Sydney
    Blacktown, New South Wales 2148, Australia
  • Northern Beaches Clinical Research
    Brookvale, New South Wales 2100, Australia
  • Paratus Clinical Research Central Coast
    Kanwal, New South Wales 2259, Australia
  • Emeritus Research Melbourne
    Camberwell, Victoria 3124, Australia
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Nov 7, 2022, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT05245838
Lead sponsor
Dynavax Technologies Corporation
Responsible party
Sponsor
First posted
Feb 18, 2022
Start date
Jan 10, 2022
Primary completion
Oct 20, 2022
Completion
Oct 20, 2022
Last update
Nov 7, 2022

Study contacts

Robert Janssen, MD
study chair · Dynavax Technologies Corporation

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Nov 2022. You cannot join it, but the record below documents what was studied.

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