Lot Consistency Study of COVID-19 and Influenza Combination Vaccine
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Phase
Phase 2/3
Status
Withdrawn
Study type
Interventional
Design
Randomized · Single · Prevention
Enrollment
0actual
Every value on this page is a field the sponsor filed with ClinicalTrials.gov, reproduced. Dates are their own estimates, revised as a study runs, unless the registry marks them actual. sources →
Source: ClinicalTrials.gov, retrieved 2026-08-19
Why the sponsor stopped it
It was decided to not move forward with the study.
As filed on the registry record, in the sponsor's own words.
Dates
each axis at the precision it was filed, with the registry's own basis| Date | Filed | Basis | What it is |
|---|---|---|---|
| Start | 2025-02-01 | actual | When the study began enrolling |
| Primary completion | 2025-11-16 | estimated | The date the last participant is measured for the primary outcome — the readout window |
| Study completion | 2026-05-17 | estimated | The whole study's end, after follow-up |
| First posted | 2024-07-01 | actual | When this record first appeared on the registry |
| Results posted | — | When the sponsor posted results to the registry | |
| Record updated | 2025-03-11 | actual | The sponsor's own last edit to this record — every projection above is as current as this date |
What it studies
Conditions
- COVID-19
- Influenza
Interventions
- Biological: coformulated CIC Vaccine — also filed as SARS-CoV-2 rS, tNIV, Matrix-M adjuvant
- Biological: Fluzone HD trivalent
Primary outcomes
what the primary-completion date above is the date OFNumbers of participants with solicited local and systemic AEs.
measured 7 days post-vaccination]
Numbers of participants reporting Unsolicited AEs and medically attended adverse events (MAAEs).
measured 28 days post-vaccination.
Number of participants with MAAEs, SAEs, AESIs (including [PIMMCs] and myocarditis and/or pericarditis).
measured 6 months (approximately 182 days) post-vaccination.
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