A Trial to Evaluate the Lot-to-lot Consistency of Live Attenuated Varicella Vaccine in Healthy People 1-12 Years of Age
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
1 other identifier
interventional
1,200
1 country
1
Brief 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.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_3
Started Apr 2023
Shorter than P25 for phase_3
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
April 20, 2023
CompletedStudy Start
First participant enrolled
April 27, 2023
CompletedFirst Posted
Study publicly available on registry
May 3, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 30, 2023
CompletedStudy Completion
Last participant's last visit for all outcomes
April 30, 2024
CompletedJune 18, 2023
June 1, 2023
3 months
April 20, 2023
June 15, 2023
Conditions
Keywords
Outcome Measures
Primary Outcomes (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
30 days after vaccination
Secondary Outcomes (4)
Positive conversion rate and geometric mean fold increase (GMFI) of anti-VZV neutralizing antibodies
30 days after vaccination
Positive conversion rate, GMT, and GMFI of anti-VZV neutralizing antibodies
30 days after vaccination
The incidences of adverse events (AEs)
30 days after vaccination
The incidences of serious adverse events (SAEs) and Adverse Event of Special Interest(AESI)
6 months after vaccination
Study Arms (3)
Experimental Group1
EXPERIMENTALSingle subcutaneous injection of the investigational vaccine (0.5ml)
Experimental Group2
EXPERIMENTALSingle subcutaneous injection of the investigational vaccine (0.5ml)
Experimental Group3
EXPERIMENTALSingle subcutaneous injection of the investigational vaccine (0.5ml)
Interventions
Eligibility Criteria
You may qualify if:
- 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.
You may not qualify if:
- 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.
- 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.
- +1 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Xinyi Center for Disease Control and Prevention
Xuzhou, Jiangsu, 221600, China
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Hongxing Pan
Jiangsu Province Centers for Disease Control and Prevention
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- TRIPLE
- Who Masked
- PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
April 20, 2023
First Posted
May 3, 2023
Study Start
April 27, 2023
Primary Completion
July 30, 2023
Study Completion
April 30, 2024
Last Updated
June 18, 2023
Record last verified: 2023-06
Data Sharing
- IPD Sharing
- Will not share