Last updated: 11/15/2024 10:40:19
A Study on the Safety of an Investigational Chickenpox Vaccine, When Given to Healthy children, 12 to 15 Months of age
GSK study ID
213997
Clinicaltrials.gov ID
Not applicable
EudraCT ID
Not applicable
EU CT Number
Trial status
Will be recruiting
Will be recruiting
Trial overview
Official title: A Phase 3a, Observer-blind, Randomized, Controlled Study to Evaluate the Safety of an Investigational Varicella Vaccine Compared with Varivax, Administered as a First Dose to Healthy Children 12 to 15 months of age
Trial description: The purpose of this study is to assess how well-tolerated GSK’s investigational varicella vaccine (VNS Vaccine) is, in comparison to an already approved varicella vaccine (VV) known as Varivax. The study will be conducted on healthy children aged 12 to 15 months, and who have neither contracted varicella nor received a varicella vaccination.
Primary purpose:
Prevention
Trial design:
Parallel
Masking:
Double (Participant, Investigator)
Allocation:
Randomized
Primary outcomes:
Percentage of participants reporting each solicited administration site events
Timeframe: Day 1 (post-dose) to Day 4
Percentage of participants reporting each solicited systemic event
Timeframe: Day 1 (post-dose) to Day 15
Percentage of participants reporting each solicited systemic event in terms of fever
Timeframe: Day 1 (post-dose) to Day 22
Percentage of participants reporting each solicited administration site events
Timeframe: Day 1 (post-dose) to Day 43
Percentage of participants reporting solicited systemic events
Timeframe: Day 1 (post-dose) to Day 43
Percentage of participants reporting unsolicited adverse events (AEs)
Timeframe: Day 1 (post-dose) to Day 43
Percentage of participants reporting medically attended AEs (MAAE)
Timeframe: Day 1 (post-dose) to Day 181 (study end)
Percentage of participants reporting serious adverse events (SAEs)
Timeframe: Day 1 (post-dose) to Day 181 (study end)
Secondary outcomes:
Not applicable
Interventions:
Enrollment:
750
Primary completion date:
2026-13-07
Observational study model:
Not applicable
Time perspective:
Not applicable
Clinical publications:
Not applicable
Medical condition
Chickenpox
Product
Not applicable
Collaborators
Not applicable
Study date(s)
November 2024 to December 2026
Type
Interventional
Phase
3
Participation criteria
Sex
Female & Male
Age
12 - 15 Months
Accepts healthy volunteers
Yes
- Participant’s parent(s)/Legally acceptable representatives (LAR[s]), who, in the opinion of the investigator, can and will comply with the requirements of the protocol (e.g., completion of the eDiaries, return for follow-up visits).
- Written or witnessed/thumb printed informed consent obtained from the participant’s parent(s)/LAR(s) prior to performance of any study-specific procedure.
- History of any reaction or hypersensitivity likely to be exacerbated by any component of the study interventions.
- Any confirmed or suspected immunosuppressive or immunodeficient condition, based on medical history and physical examination (no laboratory testing required).
Inclusion and exclusion criteria
Inclusion criteria:
- Written or witnessed/thumb printed informed consent obtained from the participant’s parent(s)/LAR(s) prior to performance of any study-specific procedure.
- Healthy participants as established by medical history and clinical examination before entering the study.
- A male or female between, and including, 12 to 15 months of age (i.e., from the day of 1 year birthday until the day before 16 months of age) at the time of the administration of study interventions.
- Only for children in countries where PCV is recommended at 12 to 15 months of age as per national immunization schedule and provided as part of the study interventions: participant who previously received the primary series of PCV in the first year of life with last dose at least 60 days prior to study entry.
Participant’s parent(s)/Legally acceptable representatives (LAR[s]), who, in the opinion of the investigator, can and will comply with the requirements of the protocol (e.g., completion of the eDiaries, return for follow-up visits).
Exclusion criteria:
- Any confirmed or suspected immunosuppressive or immunodeficient condition, based on medical history and physical examination (no laboratory testing required).
- Hypersensitivity to latex.
- Recurrent history of uncontrolled neurological disorders or seizures.
- History of varicella disease.
- Active untreated tuberculosis
- Any other clinical condition that, in the opinion of the investigator, might pose additional risk to the participant due to participation in the study.
- Use of any investigational or non-registered product (drug, vaccine or invasive medical device) other than the study interventions during the period beginning 30 days before the dose of study interventions administration (Day -29 to Day 1), or their planned use during the study period.
- Planned administration of a vaccine in the period starting 30 days before the dose and ending 43 days after the dose of study interventions administration (Visit 2), with the exception of inactivated influenza vaccine which may be given at any time during the study and administered at a different location than the study interventions. Any other age-appropriate vaccine may be given starting at Visit 2 and anytime thereafter.
- Chronic administration of immune-modifying drugs (defined as more than 14 consecutive days in total) and/or planned use of long-acting immune modifying treatments at any time up to the end of the study.
- Up to 90 days prior to the study intervention administration: o For corticosteroids, this will mean prednisone equivalent >= 0.5 mg/kg/day with maximum of 20 mg/day for pediatric participants. Inhaled and topical steroids are allowed. o Administration of immunoglobulins and/or any blood products or plasma derivatives.
- Previous vaccination against measles, mumps, and rubella.
- Previous vaccination against hepatitis A virus.
- Previous vaccination against varicella virus.
- Only for children in countries where PCV is recommended at 12 to 15 months of age as per national immunization schedule and provided as part of the study interventions, participant who previously received a booster dose of any PCV.
- Concurrently participating in another clinical study, at any time during the study period, in which the participant has been or will be exposed to an investigational or a non-investigational intervention (drug/invasive medical device).
- Child in care.
- Any study personnel’s immediate dependents, family, or household members.
- Participants with the following high-risk individuals in their household:
- Immunocompromised individuals. -Pregnant women without documented history of varicella.
- Newborn infants of mothers without documented history of varicella.
- Newborn infants born less than (<) 28 weeks of gestation.
History of any reaction or hypersensitivity likely to be exacerbated by any component of the study interventions.
Up to 180 days prior to study interventions administration: long acting immune modifying drugs including among others immunotherapy (e.g., tumor necrosis factor-inhibitors), monoclonal antibodies (except the ones not interfering with the immune response to the study vaccines, e.g., nirsevimab), antitumoral medication.
Trial location(s)
Location
GSK Investigational Site
Cincinnati, OH, United States, 45245
Status
Will Be Recruiting
Showing 1 - 6 of 45 Results
Study documents
No study documents available.
Results overview
Study Results yet to be posted
Recruitment status
Will be recruiting
Actual primary completion date
Not applicable
Actual study completion date
Not applicable
Plain language summaries
Plain language summaries of clinical trial results for Phase 2-4 clinical trials that were initiated on or after January 2022 will be posted by GSK within one year following study completion.
Additional information about the trial
Additional information
Not applicable
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