| Understanding Poor Vaccine Responses to Hepatitis B Vaccination (NCT04674462) | NYU Langone Health | 2022-07-07 |
| Evaluation of the Immunogenicity and Safety of Ad26.COV2.S's COVID-19 Vaccine (NCT05409261) | ANRS, Emerging Infectious Diseases | 2022-06-02 |
| The Immunogenicity and Safety Following a Heterologous Booster Dose of Recombinant SARS-CoV-2 Vaccine LYB001 (NCT05928455) | Guangzhou Patronus Biotech Co., Ltd. | 2022-05-14 |
| Determining Reactogenicity and Immunogenicity of Delayed COVID-19 Vaccine Schedule in Children (NCT05329064) | KK Women's and Children's Hospital | 2022-03-24 |
| National Vaccine Adverse Event Reporting Survey and Etiology (NCT05095844) | Neuroganics LLC | 2022-03-15 |
| Safety and Immunogenicity of Prime-boost Vaccination of SARS-CoV-2 in Patients With Cancer (NCT05273541) | Beijing 302 Hospital | 2022-02-11 |
| Safety and Immunogenicity of COVID-19 Vaccine Booster in Patients With Liver Diseases (NCT05204602) | Huashan Hospital | 2022-02-10 |
| UNAIR Inactivated COVID-19 Vaccine (NCT05226429) | Dr. Soetomo General Hospital | 2022-02-08 |
| Investigating COVID-19 Vaccine Immunity in Children in the Melbourne Infant Study of BCG for Allergy and Infection Reduction (NCT05168709) | Murdoch Childrens Research Institute | 2022-01-20 |
| The BOOSTED (Booster Options Or Switching Tested for Effectiveness and Downsides Study) Trial (COVID-19) (NCT05268185) | University of California, San Francisco | 2022-01-18 |
| Booster Effect of mRNA Vaccine on Antibody Response for SARS-CoV-2 After Complete Vaccination With Sinos (NCT05213455) | Lahore General Hospital | 2022-01-01 |
| Immunogenicity Against SARS-CoV-2 in COVID-19 Close Contacts (NCT05094635) | University of Medicine and Pharmacy at Ho Chi Minh City | 2021-11-30 |
| Effect of High-Dose Quadrivalent Influenza Vaccine (Efluelda®) Versus Standard-Dose (QIV-SD), in Subjects 65 Years of Age and Older on Innate Immunity, Including Gene Expression (NCT05154383) | Centre Hospitalier Annecy Genevois | 2021-11-15 |
| Evaluation of Inactivated Vaccine in Healthy Adults Against Coronavirus Disease of 2019 (COVID-19) (NCT05128721) | National Research Centre, Egypt | 2021-11-14 |
| A Real-world Study to Evaluate the Safety and Immunogenicity of a Third-dose Booster After Two Doses of an Inactivated COVID-19 Vaccine (NCT05493917) | Huashan Hospital | 2021-11-03 |
| Evaluation of Intradermal Hepatitis B Vaccine After IMIQUIMOD's Application, in Cirrhotics Who Did Not Respond to the Usual Vaccine Regimen (NCT05028322) | Central Hospital, Nancy, France | 2021-11-01 |
| The Epidemiology, Management and Comorbidities in Alopecia Areata in Czech Republic (NCT05098600) | Faculty Hospital Kralovske Vinohrady | 2021-10-15 |
| One or Two Week Methotrexate Discontinuation on Efficacy of Influenza Vaccination in Rheumatoid Arthritis. (NCT05069714) | Seoul National University Hospital | 2021-10-01 |
| SARS-CoV-2 (Covid-19) RBD Antibody in My Duc Hospital Healthcare Workers (NCT05057910) | Mỹ Đức Hospital | 2021-09-25 |
| Allergy and COVID-19 Vaccines (NCT05028257) | Assistance Publique - Hôpitaux de Paris | 2021-09-15 |
| FDG (Fluorodeoxyglucose) Findings After COVID-19 Vaccination (NCT05270967) | Kocaeli University | 2021-07-29 |
| SARS-CoV-2 Antibodies and Virus Neutralisation in a Cohort Vaccinted Against COVID-19 (NCT04979871) | University of Zurich | 2021-07-22 |
| Assessment of the Immunization Levels Against Sars-Cov2 Virus in Subjects Who Have Received EU-approved COVID-19 Vaccines (NCT04954651) | University of Patras | 2021-07-07 |
| Pregnant and Lactating Individuals & Newborns COVID-19 Vaccination Prospective Cohort Study (NCT05115617) | Ottawa Hospital Research Institute | 2021-06-03 |
| Antibody Response and Longevity Post SARS-CoV-2 Vaccine (SARS-AB) (NCT05515081) | IRCCS San Camillo, Venezia, Italy | 2021-05-21 |
| Myocardial Injury and Dysfunction Associated With COVID-19 Vaccination (NCT05359250) | University of Colorado, Denver | 2021-05-12 |
| Effectiveness and Safety of the COVID-19 Vaccination for Patients With Liver Disease (CHESS2101) (NCT04883177) | Hepatopancreatobiliary Surgery Institute of Gansu Province | 2021-05-11 |
| (VIII): The Eight Study and Immunologic Response Sub-study (NCT05237024) | physIQ, Inc. | 2021-04-15 |
| Evaluation of the Effect of Coronavac Vaccine (Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2 Vaccine) on Healthcare Workers' Menstrual Patterns (NCT04854408) | Kanuni Sultan Suleyman Training and Research Hospital | 2021-03-18 |
| Post COVID-19 Vaccination Analysis in Healthcare Worker Recipients (NCT04922944) | Huntington Memorial Hospital | 2021-03-08 |
| Seroprevalence of Neutralizing Antibodies Against Japanese Encephalitis Virus Among 6 Years Old Children With 5 Different Immunization Strategies in Zhejiang Province (NCT04817917) | Zhejiang Provincial Center for Disease Control and Prevention | 2021-03-01 |
| Immunization of 7 Different Vaccines Against SARS-COV-2 Across 4 Countries. (NCT05228912) | Hospital Clinica Nova | 2021-02-26 |
| Assessment of Immune Response After Vaccination Against COVID-19 in Patients Treated With Renal Replacement Therapy (NCT04905862) | Medical University of Gdansk | 2021-02-15 |
| Effectiveness of Trivalent Influenza Vaccine (TIV) in Type 2 Diabetes Mellitus (T2DM) Patients With and Without Complications of Chronic Kidney Disease (CKD) (NCT06252051) | Universitas Padjadjaran | 2021-01-05 |
| Immunogenicity and Safety of the Booster Dose of Polio Vaccine With Different Primary Sequential Schedules in China (NCT04576910) | Zhejiang Provincial Center for Disease Control and Prevention | 2020-11-05 |
| Efficacy and Tolerability of ABBC1 in Volunteers Receiving the Influenza or Covid-19 Vaccine (NCT04798677) | AB Biotek | 2020-10-29 |
| Tolerability, Safety and Immunogenicity Trial of the Flu-M Quadro, Tetravalent Inactivated Split Influenza Vaccine (NCT05869201) | St. Petersburg Research Institute of Vaccines and Sera | 2020-10-06 |
| Effectiveness and Tolerability of Influenza Vaccine in Patients at Risk for Severe and Complicated Influenza (NCT06286488) | Medical University of Warsaw | 2020-09-15 |
| Evaluation of Immunoprotection Provided by Hepatitis B Vaccine After Birth in Healthy Children (NCT04439435) | Children's Hospital of Chongqing Medical University | 2020-07-01 |
| A Trial For The Study of Falciparum Malaria Protein 014 Administered Via Intramuscular Injection in Healthy Adults (NCT04296279) | U.S. Army Medical Research and Development Command | 2020-03-20 |
| A Trial For The Study of Falciparum Malaria Protein 013 Administered Via Intramuscular Injection in Healthy Adults (NCT04268420) | U.S. Army Medical Research and Development Command | 2020-03-20 |
| A Bridging Study of the SYN023 on Healthy Adult Subjects (NCT04495569) | Synermore Biologics (Suzhou) Co., Ltd. | 2019-02-26 |
| Kinetics of the Immune Response to Inactivated Influenza Vaccine in Healthy Adults (NCT03743688) | Vanderbilt University Medical Center | 2018-12-04 |
| Safety of LAIV4 in Children With Asthma (NCT03600428) | Vanderbilt University Medical Center | 2018-10-15 |
| Immunogenicity of Co-administered Oral Polio Vaccine and Oral Cholera Vaccine (NCT03581734) | International Centre for Diarrhoeal Disease Research, Bangladesh | 2018-07-01 |
| Comparing Morbidity and Mortality Effects of Two Different Strains of BCG (NCT03400878) | Bandim Health Project | 2017-10-14 |
| Non-specific Effects of Vaccination on Mortality and Morbidity (NCT03176719) | Radboud University Medical Center | 2017-06-17 |
| A Prospective Study of HBV Immunity and HBV Vaccination in Patients With NAFLD in Canada (NCT02985450) | University of Calgary | 2016-08-01 |
| Study on New Strategies for Hepatitis B Virus Immunization (NCT06515938) | Wu Jiang | 2013-01-01 |