Search clinical trials for: COVID-19 vaccine

Total 7289 results

University Health Network, Toronto
Canadian Institutes of Health Research (CIHR); Samuel Lunenfeld Research Institute... and other collaborators

Active, not recruiting

SafeTy and Efficacy of Preventative CoVID Vaccines (STOPCoV)

Vaccine Response | COVID-19 Virus Infection

Canada
Hospital Moinhos de Vento
Pfizer; Universidade Federal do Paraná; Inova Medical

Completed

A Real-world Evidence Study of BNT162b2 mRNA Covid-19 Vaccine in Brazil

Covid19

Brazil
Huntington Memorial Hospital

Completed

Post COVID-19 Vaccination Analysis in Healthcare Worker Recipients

Covid19 | Vaccine Reaction

United States
WestVac Biopharma Co., Ltd.

Active, not recruiting

Safety and Immunogenicity of Recombinant COVID-19 Variant Vaccine (Sf9 Cell) as a Booster

COVID-19 | SARS-CoV-2 Infection

Mexico
Laboratorios Hipra, S.A.

Completed

Safety and Immunogenicity Study of Recombinant Protein RBD Candidate Vaccine Against SARS-CoV-2 in Adult Healthy Volunteers (COVID-19)

Covid19 | SARS CoV 2 Infection

Spain
ModernaTX, Inc.

Active, not recruiting

An Observational Study of Moderna COVID-19 Bivalent Vaccines (Original and Omicron BA.4/BA.5) and 2023 Updated mRNA COVID-19 Vaccines (XBB.1.5)

COVID-19

United States
Centre Hospitalier Universitaire de Saint Etienne
Sanofi Pasteur, a Sanofi Company; Bioster, a.s.

Completed

Factors Influencing the COVID-19 Vaccine Immune Response According to Age and Presence or Not of a Past History of COVID-19 (COVIMMUNAGE)

Covid19

France
The First Affiliated Hospital of Soochow University

Withdrawn

Clinical Study on the Impact of Covid-19 Vaccine on Allogeneic Hematopoietic Stem Cell Transplantation

Hematologic Diseases

China
Yisheng Biopharma (Singapore) Pte. Ltd.

Active, not recruiting

A Phase II/III Study of PIKA Recombinant SARS-CoV-2 Vaccine as a Booster Dose.

Covid-19 Vaccine

United Arab Emirates, Philippines
WestVac Biopharma Co., Ltd.

Active, not recruiting

Phase II Clinical Trial of Recombinant COVID-19 Variant Vaccine (Sf9 Cell)

COVID-19

China
Canadian Immunization Research Network
Massachusetts General Hospital; CHU de Quebec-Universite Laval; McGill University... and other collaborators

Active, not recruiting

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

COVID-19

Canada
Methodist Health System

Completed

COVID-19 Breakthrough Infection in Fully Vaccinated People and in People Who Received a Booster Dose

COVID-19 | COVID-19 Pneumonia

United States
Hospital Moinhos de Vento
Pfizer; Universidade Federal do Paraná; Inova Medical

Completed

A Real-world Evidence Study of BNT162b2 mRNA Covid-19 Vaccine Among Children in Brazil

COVID-19

Brazil
National Institute of Allergy and Infectious Diseases...
National Heart, Lung, and Blood Institute (NHLBI); University of Copenhagen; US... and other collaborators

Completed

Vaccination for Recovered Inpatients With COVID-19 (VATICO)

Covid19

United States, Spain, Uganda, Nigeria, Singapore, Switzerland
China National Biotec Group Company Limited
The University of Hong Kong; Beijing Institute of Biological Products Co Ltd.; Wuhan Institute of Biological Products Co., Ltd

Active, not recruiting

Sequential Immunization of Two Doses of Inactivated COVID-19 Vaccine (Omicron) in Vaccinated Population Aged 18 Years and Above (COVID-19)

COVID-19

Hong Kong
National Vaccine and Serum Institute, China
China National Biotec Group Company Limited; Lanzhou Institute of Biological...

Active, not recruiting

Clinical Trial on Sequential Immunization of Recombinant COVID-19 Vaccine (CHO Cells) and Inactivated COVID-19 Vaccine (Vero Cells) in Population Aged 18 Years and Above

Coronavirus Infections | COVID-19 Pneumonia

United Arab Emirates
National Institute of Allergy and Infectious Diseases...

Completed

SARS-CoV-2 Immune Responses After COVID-19 Therapy and Subsequent Vaccine

Covid19 | SARS-CoV2 Infection

United States
Kocak Farma

Recruiting

Safety and Immunogenicity of the Inactivated Koçak-19 Inaktif Adjuvanlı COVID-19 Vaccine Compared to Placebo

COVID-19 Vaccine

Turkey
CNBG-Virogin Biotech (Shanghai) Ltd.
Shulan (Hangzhou) Hospital

Recruiting

A Phase 1 Study to Evaluate the Safety and Immunogenicity of COVID-19 Vaccine

SARS-CoV-2 Infection

China
Public health and reforms Center of Ministry of...
World Health Organization; Ministry of Health of Azerbaijan Republic

Recruiting

Study on COVID-19 Vaccine Effectiveness Among Health Workers in Azerbaijan (VaccEffect)

Covid19 | Vaccine Refusal

Azerbaijan
Sinovac Biotech (Hong Kong) Limited

Completed

Immunogenicity and Safety Study of Booster Vaccine With the COVID-19 Vaccine (Vero Cell), Inactivated, Omicron Strain

COVID-19

China
ModernaTX, Inc.

Completed

Long-Term Follow-up Survey of COVID-19 Vaccine After Vaccination

Coronavirus Disease (COVID-19)

Japan
Takeda

Withdrawn

Survey of the Moderna COVID-19 Vaccine in People at High-Risk of Developing Severe COVID-19 Symptoms

Coronavirus Disease (COVID-19)

Japan
CanSino Biologics Inc.

Withdrawn

A Study to Evaluate the Safety and Immunogenicity of Ad5-vector Based Vaccine Against Coronavirus Variants in Adults (≥18 Years) Immunized With 2 Doses of mRNA Vaccines Plus One Dose of Booster AZD1222 Vaccine

COVID-19
Thomas Jefferson University
Nemours

Active, not recruiting

COVID-19 Pregnancy Related Immunological, Clinical and Epidemiological Factors and Perinatal Outcomes (COVID-PRICE)

Covid19

United States
WestVac Biopharma Co., Ltd.

Recruiting

Safety and Immunogenicity of Recombinant COVID-19 Vaccine (Sf9 Cell) as a Booster

COVID-19 | SARS-CoV-2 Infection

Philippines
National Institute of Allergy and Infectious Diseases...

Completed

The Safety of Administering a Second Dose of a COVID-19 mRNA Vaccine in Individuals Who Experienced a Systemic Allergic Reaction to an Initial Dose

Systemic Allergic Reaction

United States
WestVac Biopharma Co., Ltd.

Active, not recruiting

Phase I Clinical Trial of Recombinant COVID-19 Variant Vaccine (Sf9 Cell) (WSK-V102)

COVID-19

China
BioNTech SE
Pfizer

Recruiting

A Study to Evaluate the Safety, Tolerability, and Immunogenicity of a Combined Modified RNA Vaccine Candidate Against COVID-19 and Influenza.

COVID-19 | Influenza

United States
National Vaccine and Serum Institute, China
China National Biotec Group Company Limited; Lanzhou Institute of Biological... and other collaborators

Recruiting

Clinical Trial on Sequential Immunization of Recombinant COVID-19 Vaccine (CHO Cells,NVSI-06-08) and Inactivated COVID-19 Vaccine (Vero Cells) in Population Aged 18 Years and Above

Coronavirus Infections | COVID-19 Pneumonia

United Arab Emirates
CNBG-Virogin Biotech (Shanghai) Ltd.

Recruiting

A PhaseⅡ Study to Evaluate the Safety and Immunogenicity of COVID-19 Vaccine

SARS-CoV-2 Infection

China
Pfizer

Recruiting

Effectiveness and Use of COVID-19 Vaccines Using Information From the California State Vaccine Registry

COVID-19 | SARS-CoV-2 | Post-Acute COVID-19 Syndrome

United States
University of Michigan
The Wallace Foundation

Recruiting

Assessing Safety of Coronavirus Infection (COVID-19) Messenger RNA (mRNA) Vaccine Administration in the Setting of a Previous Adverse Reaction

COVID-19 | Corona Virus Infection

United States
Johns Hopkins University

Recruiting

The Impact of COVID-19 on Maternal and Neonatal Outcomes

COVID-19 | Pregnancy; Infection

United States
China National Biotec Group Company Limited
Beijing Institute of Biological Products Co Ltd.; Hunan Provincial Center for...

Active, not recruiting

Study on Sequential Immunization of Omicron Inactivated COVID-19 Vaccine and Prototype Inactivated COVID-19 Vaccine in Population Aged 18 Years Old and Above (COVID-19)

COVID-19

China
Dr. Soetomo General Hospital
Indonesia-MoH; Universitas Airlangga; Biotis Pharmaceuticals, Indonesia

Recruiting

UNAIR Inactivated COVID-19 Vaccine

Vaccine Reaction | COVID-19 Pandemic

Indonesia
Duke University
Columbia University; Centers for Disease Control and Prevention; Children's Hospital... and other collaborators

Recruiting

Safety of Simultaneous mRNA COVID-19 Vaccine With Other Childhood Vaccines in Young Children

Fever | Fever After Vaccination | Seizures Fever

United States
China National Biotec Group Company Limited
Beijing Institute of Biological Products Co Ltd.; Hunan Provincial Center for... and other collaborators

Not yet recruiting

Evaluation of Immunogenicity, Safety and Antibody Persistence of COVID-19 Booster Vaccine (Produced in Beijing) in Patients With Hypertension and/or Diabetes

COVID-19 Pneumonia

China
China National Biotec Group Company Limited
Wuhan Institute of Biological Products Co., Ltd; Hunan Provincial Center for... and other collaborators

Not yet recruiting

Evaluation of Immunogenicity, Safety and Antibody Persistence of COVID-19 Booster Vaccine (Produced in Wuhan) in Patients With Hypertension and/or Diabetes

COVID-19 Pneumonia

China
Anhui Zhifei Longcom Biologic Pharmacy Co., Ltd.
First Affiliated Hospital Bengbu Medical College

Completed

Recombinant Omicron-Delta COVID-19 Vaccine (CHO Cell)

COVID-19

China
National Institute of Medical Sciences and Nutrition...

Completed

COVID-19 Vaccine Hesitancy Among Rheumatic Diseases Patients

Covid19

Mexico
Sinovac Biotech (Colombia) S.A.S.
Sinovac Life Sciences Co., Ltd.

Not yet recruiting

Immunogenicity and Safety Study of One Booster Dose of Trivalent COVID-19 Vaccine (Vero Cell), Inactivated

COVID-19

Colombia
National Vaccine and Serum Institute, China
China National Biotec Group Company Limited; Beijing Institute of Biological... and other collaborators

Recruiting

A Clinical Trial on Sequential Immunization of Recombinant COVID-19 Vaccine (CHO Cell, NVSI-06-09) and Inactivated COVID-19 Vaccine (Vero Cell)

COVID-19

United Arab Emirates
Sunnybrook Health Sciences Centre
University Health Network, Toronto; Unity Health Toronto; Scarborough General... and other collaborators

Terminated

COVID-19 Vaccine Boosters in Patients With CKD (BOOST KIDNEY)

COVID-19 | Chronic Kidney Diseases

Canada
National Institute of Allergy and Infectious Diseases...
PPD

Completed

COVID-19 Protection After Transplant Pilot Study (CPAT)

Kidney Transplant Recipients

United States
WestVac Biopharma Co., Ltd.
WestVac Biopharma (Guangzhou) Co., Ltd.

Recruiting

A Phase 3 Clinical Study to Evaluate the Efficacy, Safety and Immunogenicity of Booster Vaccination With Recombinant COVID-19 (XBB) Trimer Protein Vaccine (Sf9 Cell)

COVID-19

China
Sanofi Pasteur, a Sanofi Company

Completed

Study of a Quadrivalent High-Dose Influenza Vaccine and a Moderna COVID-19 Vaccine Administered Either Concomitantly or Singly in Participants 65 Years of Age and Older Previously Vaccinated With a 2-dose Schedule of Moderna COVID-19 Vaccine

Healthy Volunteers | Influenza Immunization

United States
University of Wisconsin, Madison

Recruiting

Determining the Relationship Between Gut Microbiota and Immune Response to Influenza or COVID-19 Vaccine

Inflammatory Bowel Diseases

United States
University of Oxford

Enrolling by invitation

Immunogenicity of COVID-19 Vaccines in Tuberculosis Patients (CVTB)

Tuberculosis | Covid-19 Pandemics

Thailand
Jiangsu Province Centers for Disease Control and...

Completed

Study on Heterologous Prime-boost of Recombinant COVID-19 Vaccine (Ad5 Vector) and RBD-based Protein Subunit Vaccine

COVID-19

China

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