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VaricellaPhase 3NCT05839301

A Trial to Evaluate the Lot-to-lot Consistency of Live Attenuated Varicella Vaccine in Healthy People 1-12 Years of Age

A Phase 3 study testing Investigational live attenuated varicella vaccine (lot 1), Investigational live attenuated varicella vaccine (lot 2) and Investigational live attenuated varicella vaccine (lot 3) in people with Varicella, run by China National Biotec Group Company Limited at 1 site in China.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

The goal of this clinical trial is to evaluate the lot-to-lot consistency, immunogenicity, and safety of live attenuated varicella vaccine manufactured by Beijing Institute of Biological Products Co., Ltd in healthy children. Read more about this study

Who is it for?
Ages 1 year to 12 yearsHealthy volunteers can take part
Conditions the study is for
Varicella
What is being tested?
Investigational live attenuated varicella vaccine (lot 1), Investigational live attenuated varicella vaccine (lot 2) and Investigational live attenuated varicella vaccine (lot 3)
Could I receive a placebo?
No, everyone receives an active treatment
How many people
1,200 participants
Where
1 siteChina
Study dates
27 Apr 2023to 30 Apr 2024
Phase
Phase 3
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 1 year to 12 years
  • All sexes
  • Healthy volunteers accepted
  • Child

Who may be able to join

  • Age 1 to 12 years on the day of enrollment ,male or female, and able to provide legal identity certificate.
  • Subjects and/or guardians have the ability to understand the study requirements and process, agree to participate in the clinical trial and sign the informed consent form.
  • Axillary temperature ≤ 37.0 ° C on the day of enrollment.

Who cannot join

  • Previous vaccination against varicella (eg, varicella vaccine, measles + varicella vaccine).
  • History of varicella or herpes zoster infection, or exposure to varicella/herpes zoster within 30 days of enrollment or suspected varicella/herpes zoster;
  • Current use of salicylates (including salicylic acid, aspirin, diflunisal, p-aminosalicylic acid (sodium), salsalsalate, benorilate, etc.), or planned long-term use during the study.
  • Febrile illness (axillary temperature ≥ 38.5 ° C) or use of antipyretic, analgesic, and anti-allergic drugs (eg, acetaminophen, ibuprofen, aspirin, loratadine, cetirizine, etc.) 3 days before vaccination.
  • History of allergy to vaccine ingredients and excipients or severe drug allergy, such as anaphylactic shock, allergic laryngeal edema, Henoch-Schonlein purpura, thrombocytopenic purpura, local allergic necrosis reaction (Arthus reaction), severe urticaria.
  • History of epilepsy, convulsions, or convulsions, or a family history of psychosis.
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  • Impaired immune function or has been diagnosed with congenital or acquired immunodeficiency, HIV infection, lymphoma, leukemia, systemic lupus erythematosus, rheumatoid arthritis, juvenile rheumatoid arthritis, inflammatory bowel disease, or other autoimmune diseases.
  • Patients suffering from serious congenital malformations, genetic diseases, serious cardiovascular diseases, serious liver/kidney diseases, diabetes with complications, malignant tumors, severe malnutrition.
  • Immunosuppressant therapy such as chronic oral or injectable glucocorticoid therapy (≥ 14 days at doses ≥ 2 mg/kg/day or ≥ 20 mg/day prednisone or equivalent prednisone dose) within 3 months prior to administration of trial vaccine or planned 30 days following administration, but not limited by topical use (eg, ointment, eye drops, inhalers, or nasal sprays).
  • Receiving blood/blood-related products or immunoglobulins 3 months before vaccination or planning to use such products 30 days after vaccination.
  • Vaccination with a live attenuated vaccine within 30 days or any vaccine within 14 days prior to vaccination.
  • Absence of spleen or splenectomy due to any condition such as splenectomy.
  • Patients with a history of thrombocytopenia or other coagulation disorders, which may cause contraindications to subcutaneous injection.
  • Infectious, suppurative and allergic skin diseases.
  • Participating in other investigational or non-registered product (drug, vaccine or device, etc.) clinical trials, or planning to participate in other clinical trials before the end of this clinical trial.
  • Subject has any other factor that, in the judgment of the investigator, would make the subject unsuitable for participation in the clinical trial.

Trial locations and contacts

1 site in 1 country.

China1 site
  • Xinyi Center for Disease Control and Prevention

    Xuzhou, Jiangsu, 221600

Other trials in China

About this study

Official title: A Single-center, Randomized, Double-blind Trial to Evaluate the Lot-to-lot Consistency of Live Attenuated Varicella Vaccine in Healthy People 1-12 Years of Age

The goal of this clinical trial is to evaluate the lot-to-lot consistency, immunogenicity, and safety of live attenuated varicella vaccine manufactured by Beijing Institute of Biological Products Co., Ltd in healthy children.

Read the detailed description

This trial is aim to evaluate the lot-to-lot consistency, immunogenicity, and safety of live attenuated varicella vaccine manufactured by Beijing Institute of Biological Products Co., Ltd in healthy people 1 to 12 years of age.1200 healthy subjects aged 1-12 years were enrolled after their guardians passed the informed consent, inclusion and exclusion criteria screening in turn. Three batches were randomized in a 1:1: 1 ratio, with 400 subjects in each batch.All subjects received 1 dose of trial vaccine (Batch 1 or Batch 2 or Batch 3) and all were collected Blood samples were collected from subjects before vaccination, on Day 30 after vaccination for serum neutralizing antibody testing to evaluate immunogenicity, and Safety observations were performed until 6 months post-vaccination in all subjects.

Conditions
Varicella
Being tested
Investigational live attenuated varicella vaccine (lot 1), Investigational live attenuated varicella vaccine (lot 2), Investigational live attenuated varicella vaccine (lot 3)
Keywords
varicella vaccine, safety, immunogenicity, lot-to-lot consistency
Medical subject headings
Chickenpox

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Investigational live attenuated varicella vaccine (lot 1)Biological

    0.5ml/vial

  • Investigational live attenuated varicella vaccine (lot 2)Biological

    0.5ml/vial

  • Investigational live attenuated varicella vaccine (lot 3)Biological

    0.5ml/vial

Study groups in NCT05839301
Study groupRoleWhat they receive
Experimental Group1ExperimentalSingle subcutaneous injection of the investigational vaccine (0.5ml)
Receives: Biological: Investigational live attenuated varicella vaccine (lot 1)
Experimental Group2ExperimentalSingle subcutaneous injection of the investigational vaccine (0.5ml)
Receives: Biological: Investigational live attenuated varicella vaccine (lot 2)
Experimental Group3ExperimentalSingle subcutaneous injection of the investigational vaccine (0.5ml)
Receives: Biological: Investigational live attenuated varicella vaccine (lot 3)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Geometric mean titers (GMT) of anti-VZV neutralizing antibodies

    Geometric mean titers (GMT) of anti-VZV neutralizing antibodies 30 days after vaccination in the negative population before immunization

    Measured: 30 days after vaccination

Secondary outcomes (4)
  1. Positive conversion rate and geometric mean fold increase (GMFI) of anti-VZV neutralizing antibodies

    Positive conversion rate and geometric mean fold increase (GMFI) of anti-VZV neutralizing antibodies 30 days after vaccination in the negative population before immunization

    Measured: 30 days after vaccination

  2. Positive conversion rate, GMT, and GMFI of anti-VZV neutralizing antibodies

    Positive conversion rate, GMT, and GMFI of anti-VZV neutralizing antibodies 30 days after vaccination in the whole population

    Measured: 30 days after vaccination

  3. The incidences of adverse events (AEs)

    AEs occurred witnin 30 days after vaccination will be collected

    Measured: 30 days after vaccination

  4. The incidences of serious adverse events (SAEs) and Adverse Event of Special Interest(AESI)

    SAEs and AESI occurred witnin 6 months after vaccination will be collected

    Measured: 6 months after vaccination

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted3 May 2023
  2. Study start27 Apr 2023
  3. Primary completion30 Jul 2023 (estimated)
  4. Study completion30 Apr 2024 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 3
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Masking
Triple blind
Who is masked
Participant, Investigator, Outcomes assessor
Enrolment
1,200 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05839301
Sponsor's protocol ID
CNBG-BIBP-VZV-08
Status last verified
Jun 2023
First submitted
20 Apr 2023
Last updated
18 Jun 2023
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing Investigational live attenuated varicella vaccine (lot 1), Investigational live attenuated varicella vaccine (lot 2) and Investigational live attenuated varicella vaccine (lot 3) in people with Varicella, run by China National Biotec Group Company Limited at 1 site in China.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 16 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 18 Jun 2023. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Geometric mean titers (GMT) of anti-VZV neutralizing antibodies (time frame: 30 days after vaccination). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 18 Jun 2023.

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