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Virus Therapy

COVID-19 Vaccines for Adolescents with Prior mRNA Vaccine (COVID-19 Trial)

Phase 3
Waitlist Available
Research Sponsored by Novavax
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Adolescents ≥ 12 to < 18 years of age at screening
Be younger than 65 years old
Must not have
Chronic administration of immunosuppressant, systemic glucocorticoids, or other immune-modifying drugs within 90 days prior to study vaccination
Participants with a history of myocarditis or pericarditis
Timeline
Screening 3 weeks
Treatment Varies
Follow Up day 180
Awards & highlights
No Placebo-Only Group
Pivotal Trial

Summary

This trial is testing two new COVID-19 booster shots for teenagers who have already been vaccinated. One shot targets a new variant called Omicron XBB.1.5, and the other combines this with an older version. The goal is to see if these boosters are safe and help the immune system fight the virus better.

Who is the study for?
Adolescents aged 12 to under 18 who are medically stable and have had at least two doses of Moderna or Pfizer-BioNTech COVID-19 vaccines can join. They must not be pregnant, planning pregnancy, or breastfeeding, agree to contraception if applicable, and avoid other COVID trials.
What is being tested?
This study tests the safety and immune response of a new Omicron XBB.1.5 variant vaccine in teens previously vaccinated with mRNA COVID-19 vaccines. It's randomized and double-blinded, meaning participants don't know which vaccine they receive.
What are the potential side effects?
Potential side effects may include typical reactions seen with vaccines such as soreness at injection site, fever, fatigue, headache or allergic reactions but specific side effects for this new vaccine will be closely monitored.

Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below
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I am between 12 and 17 years old.

Exclusion Criteria

You may be eligible for the trial if you check “No” for criteria below:
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I haven't taken immune-suppressing drugs in the last 90 days.
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I have had myocarditis or pericarditis in the past.
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I have received a COVID-19 vaccine that is not Moderna or Pfizer.
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I am on treatment for an autoimmune disease or immunodeficiency.
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I have had breathing problems in the last 3 days.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~day 180
This trial's timeline: 3 weeks for screening, Varies for treatment, and day 180 for reporting.

Treatment Details

Study Objectives

Study objectives can provide a clearer picture of what you can expect from a treatment.
Primary study objectives
Immunogenicity index- Neutralizing antibody (NAb) expressed as geometric mean titers (GMTs) to the Omicron XBB.1.5 strain.
Immunogenicity index- The Neutralizing antibody (NAb) expressed as geometric mean fold rise (GMFR) to the Omicron XBB.1.5 strain.
Safety: Incidence and severity of (MAAEs) attributed to study vaccine, (AESIs) (PIMMCs), myocarditis and/or pericarditis, and complications specific to COVID-19), and serious adverse events (SAEs)
+2 more
Secondary study objectives
IgG geometric mean ELISA (enzyme-linked immunosorbent assay) units (GMEUs) to the Omicron XBB.1.5 S protein.
NAb(neutralizing antibody titers) and IgG GMEUs levels are measured to the ancestral (Wuhan) strain .
Neutralizing antibody (NAb) expressed as geometric mean fold rise (GMFR) to the Omicron XBB.1.5 strain.
+2 more

Awards & Highlights

No Placebo-Only Group
All patients enrolled in this study will receive some form of active treatment.
Pivotal Trial
The final step before approval, pivotal trials feature drugs that have already shown basic safety & efficacy.

Trial Design

2Treatment groups
Experimental Treatment
Active Control
Group I: Group-A NVX-CoV2601Experimental Treatment1 Intervention
The Monovalent NVX-CoV2601 of 5 μg of antigen with 50 μg of Matrix-M adjuvant
Group II: Group-B Bivalent NVX CoV2373 + NVX CoV2601Active Control1 Intervention
The Bivalent NVX CoV2373 + NVX CoV2601 of 5 μg of each antigen with a total of 50 μg of Matrix-M adjuvant

Find a Location

Who is running the clinical trial?

NovavaxLead Sponsor
50 Previous Clinical Trials
112,914 Total Patients Enrolled
Clinical DevelopmentStudy DirectorNovavax
36 Previous Clinical Trials
87,259 Total Patients Enrolled

Media Library

NVX-CoV2601 co-formulated Omicron XBB.1.5 SARS-CoV-2 rS vaccine (Virus Therapy) Clinical Trial Eligibility Overview. Trial Name: NCT05973006 — Phase 3
Coronavirus Research Study Groups: Group-A NVX-CoV2601, Group-B Bivalent NVX CoV2373 + NVX CoV2601
Coronavirus Clinical Trial 2023: NVX-CoV2601 co-formulated Omicron XBB.1.5 SARS-CoV-2 rS vaccine Highlights & Side Effects. Trial Name: NCT05973006 — Phase 3
NVX-CoV2601 co-formulated Omicron XBB.1.5 SARS-CoV-2 rS vaccine (Virus Therapy) 2023 Treatment Timeline for Medical Study. Trial Name: NCT05973006 — Phase 3
~178 spots leftby Nov 2025