Crick
HomeTrialsGenesDrugs23andMeGraphBlogContact
  • Home
  • Trials
  • Genes
  • Drugs
  • 23andMe
  • Graph
  • Blog
  • Contact
Crick

An open-source clinical intelligence platform. Explore clinical trials, gene networks, and molecular structures using public data sources.

Data Sources

  • ClinicalTrials.gov
  • OpenTargets
  • ClinVar
  • PubChem

Links

  • Contact
  • About
  • Privacy

© 2026 Crick. All rights reserved.

Crick is for educational purposes only. Not medical advice.

Results for “Reaction - Vaccine”

189 trials

Filters

Phase
Early Phase 1
Phase 1
Phase 2
Phase 3
Phase 4
Status
Recruiting
Active, Not Recruiting
Not Yet Recruiting
Completed
Enrolling by Invitation

Showing 20 of 189 results

Large-scale testing (Phase 3)Not Yet RecruitingNCT06888479
What this trial is testing

Optimal Timing of Hepatitis B Vaccination After Transplants

Who this might be right for
Transplant-Related DisorderHepatitis B Virus InfectionVaccine Reaction
Institute of Hematology & Blood Diseases Hospital, China 1,500
Early research (Phase 1)UnknownNCT05839236
What this trial is testing

COVID-19 Vaccination Detoxification in LDL-C

Who this might be right for
COVID-19 Stress SyndromeCOVID-19 Vaccine Adverse ReactionCOVID-19-Associated Thromboembolism+3 more
Yang I. Pachankis 1
Not applicableStudy completedNCT05268185
What this trial is testing

The BOOSTED (Booster Options Or Switching Tested for Effectiveness and Downsides Study) Trial (COVID-19)

Who this might be right for
COVID-19Vaccine ReactionCOVID-19 Pandemic
University of California, San Francisco 301
Testing effectiveness (Phase 2)Study completedNCT04566276
What this trial is testing

ChulaCov19 Vaccine in Healthy Adults

Who this might be right for
COVID-19 VaccineSafety Issues
Chulalongkorn University 192
Post-approval studies (Phase 4)UnknownNCT06091410
What this trial is testing

Immunogenicity of Concomitant Administration of COVID-19 Vaccines With Influenza Vaccines

Who this might be right for
COVID-19InfluenzaVaccine Reaction+1 more
Catholic Kwandong University 62
Large-scale testing (Phase 3)Study completedNCT05431933
What this trial is testing

Study to Evaluate Eupolio(IPV)'s Safety, Long-term Protective Effect and Boosting Effect of One Booster Dose in the Three Primary Vaccination Plus Boosting Schedule, and Protective Effect in the Schedule With Bivalent OPV in Infants

Who this might be right for
PoliomyelitisVaccine Reaction
LG Chem 2,001
Post-approval studies (Phase 4)UnknownNCT04817917
What this trial is testing

Seroprevalence of Neutralizing Antibodies Against Japanese Encephalitis Virus Among 6 Years Old Children With 5 Different Immunization Strategies in Zhejiang Province

Who this might be right for
Japanese EncephalitisVaccine Preventable DiseaseVaccine Reaction
Zhejiang Provincial Center for Disease Control and Prevention 712
Not applicableStudy completedNCT03743688
What this trial is testing

Kinetics of the Immune Response to Inactivated Influenza Vaccine in Healthy Adults

Who this might be right for
InfluenzaInfluenza, HumanVaccine Reaction+4 more
Vanderbilt University Medical Center 10
Post-approval studies (Phase 4)Study completedNCT04576910
What this trial is testing

Immunogenicity and Safety of the Booster Dose of Polio Vaccine With Different Primary Sequential Schedules in China

Who this might be right for
PolioVaccine Reaction
Zhejiang Provincial Center for Disease Control and Prevention 387
Not applicableStudy completedNCT05359250
What this trial is testing

Myocardial Injury and Dysfunction Associated With COVID-19 Vaccination

Who this might be right for
Myocardial InjuryCOVID-19Vaccine Reaction
University of Colorado, Denver 10
Not applicableUnknownNCT05087225
What this trial is testing

Suspicion of Hypoglycemic Effect of mRNA Based Covid-19 Vaccines (Polyethylene Glycol) Will Happen , Observational Study on Diabetic Patients at Saudia Arabia

Who this might be right for
Diabetic ComplicationCovid19 Virus InfectionHypoglycemia+1 more
Ministry of Health, Saudi Arabia 50
Large-scale testing (Phase 3)Study completedNCT01158157
What this trial is testing

VA-006 Vaccinia Vaccine (ACAM2000) for the Production of VIGIV

Who this might be right for
Smallpox Vaccine Adverse Reaction
Emergent BioSolutions 25
Not applicableActive Not RecruitingNCT06180447
What this trial is testing

Peri-conceptional or Pregnancy Exposure of Vaccination and the Risk of Adverse Pregnancy Outcomes

Who this might be right for
Vaccine Adverse Reaction
Sun Xin 150,000
Not applicableStudy completedNCT06646744
What this trial is testing

Safety Study About the mRNA Vaccines Against COVID-19 in Children (PEDIVACOV-HCSC)

Who this might be right for
COVID-19 Vaccine Adverse Reaction
Ana Belen Rivas Paterna 2,100
Early research (Phase 1)UnknownNCT05128721
What this trial is testing

Evaluation of Inactivated Vaccine in Healthy Adults Against Coronavirus Disease of 2019 (COVID-19)

Who this might be right for
COVID-19Vaccine ReactionVaccine Adverse Reaction
National Research Centre, Egypt 72
Not applicableUnknownNCT04910971
What this trial is testing

Quantification of Binding and Neutralizing Antibody Levels in COVID-19 Vaccinated Health Care Workers Over 1 Year

Who this might be right for
COVID-19 VaccineCorona Virus InfectionVaccine Adverse Reaction+3 more
LifeBridge Health 60
Not applicableStudy completedNCT04798677
What this trial is testing

Efficacy and Tolerability of ABBC1 in Volunteers Receiving the Influenza or Covid-19 Vaccine

Who this might be right for
ImmunityVaccine ReactionInfluenza+3 more
AB Biotek 72
Testing effectiveness (Phase 2)Not Yet RecruitingNCT07078357
What this trial is testing

Clinical Trial Phase I/IIa to Evaluate the Safety and Immunogenicity of StreptInCor

Who this might be right for
Rheumatic Heart DiseaseRheumatic Heart Disease in ChildrenVaccine Adverse Reaction+3 more
University of Sao Paulo General Hospital 60
Not applicableStudy completedNCT05195151
What this trial is testing

Modification of the COVID-19 Vaccine Response by an Intervention on the Intestinal Flora

Who this might be right for
COVID-19Vaccine ReactionElderly
Université de Sherbrooke 592
Post-approval studies (Phase 4)Study completedNCT05168709
What this trial is testing

Investigating COVID-19 Vaccine Immunity in Children in the Melbourne Infant Study of BCG for Allergy and Infection Reduction

Who this might be right for
COVID-19Vaccine ReactionImmunization; Infection
Murdoch Childrens Research Institute 51
Load More Results