Mix and Match of the COVID-19 Vaccine for Safety and Immunogenicity

PHASE2Active, not recruitingINTERVENTIONAL
Enrollment

669

Participants

Timeline

Start Date

May 20, 2021

Primary Completion Date

November 15, 2024

Study Completion Date

August 1, 2025

Conditions
COVID-19
Interventions
BIOLOGICAL

mRNA-1273 SARS-CoV-2 vaccine

Contains 1.26 mg of CX-024414 mRNA and 24.38 mg of SM-102 LNP as a white to off-white dispersion in preservative-free diluent buffer at pH 7.5.

BIOLOGICAL

BNT162b2

A white to off-white, sterile, preservative-free, frozen suspension for intramuscular injection, supplied with 0.9% sodium chloride diluent for injection plastic ampoules.

BIOLOGICAL

ChAdOx1-S [recombinant]

A colourless to slightly brown, clear to slightly opaque solution containing 5 x 1010 viral particles (not less than 2.5 x 108 infectious units).

OTHER

0, 28 day schedule

Second injection administered 28 days post first injection

OTHER

0, 112 day schedule

Second injection administered 112 days post first injection

BIOLOGICAL

Covifenz

COVIFENZ is an emulsion for intramuscular injection. The 3.75 mcg antigen component of COVIFENZ is a suspension, which must be mixed 1:1 with the 0.25 mL AS03 adjuvant emulsion component prior to administration

Trial Locations (8)

Unknown

Royal Inland Hospital, Kamloops

Penticton Regional Hospital, Penticton

Children's Hospital Research Institute of Manitoba, Winnipeg

Canadian Center for Vaccinology, Halifax

Ottawa Hospital Research Institute, University of Ottawa, Ottawa

CHU de Québec, Université Laval, Québec

V5Z 4H4

BC Children's Hospital Research Institute, Vancouver

H9H 4Y6

McGill University Health Centre Vaccine Study Centre, Montreal

All Listed Sponsors
collaborator

Canadian Center for Vaccinology

OTHER

collaborator

BC Children's Hospital Research Institute

OTHER

collaborator

Children's Hospital Research Institute of Manitoba

OTHER

collaborator

CHU de Quebec-Universite Laval

OTHER

collaborator

Ottawa Hospital Research Institute

OTHER

collaborator

Ontario Agency for Health Protection and Promotion

OTHER_GOV

collaborator

University of Toronto

OTHER

collaborator

Massachusetts General Hospital

OTHER

collaborator

Interior Health

INDUSTRY

collaborator

McGill University Health Centre/Research Institute of the McGill University Health Centre

OTHER

lead

Canadian Immunization Research Network

NETWORK