vaccines Clinical Trials
A listing of vaccines medical research trials actively recruiting patient volunteers. Search for closest city to find more detailed information on a research study in your area.
Found 520 clinical trials
A Study to Monitor the Adverse Events of QDENGA Vaccine in Participants in Malaysia
The main aim of this study is to collect the number and type of medical problems (adverse events) after vaccination with QDENGA in Malaysia and to learn more about such medical problems after vaccination. Another aim of this study is to collect the number of persons vaccinated with QDENGA who …
An Observational Study to Assess Effectiveness and Safety of The R21/Matrix-M Malaria Vaccine
This is an observational case-control study to assess the effectiveness of the R21/Matrix-M vaccine against severe malaria, clinical malaria (in high transmission perennial areas), and to assess if the R21 vaccine recipients are at an increased risk of deaths (all-cause). Clinical malaria, severe malaria and death (all-cause) cases will be …
A Comprehensive Clinical, Microbiological and Immunological Assessment of Patients With Suspected Post Treatment Lyme Disease Syndrome and Selected Control Populations
This study will determine whether patients who have been infected with the Lyme bacteria, Borrelia burgdorferi, and treated with antibiotics still have the bacteria alive inside them and whether it is causing their symptoms. The information from this study may serve as a basis for developing stringent diagnostic criteria for …
A Study to Learn About How 20-Valent Pneumococcal Conjugate Vaccine Works in a Real-world Setting
The purpose of this study is to learn about how well the 20-valent pneumococcal conjugate vaccine (20vPnC) works against radiologically-confirmed community-acquired pneumonia (RAD+CAP) due to the 7 new serotypes (types of a bacteria called Streptococcus pneumoniae that cause pneumonia) included in 20vPnC vaccine. This study is seeking participants who: are …
Impact Study of Cholera Vaccination in Endemic Areas - Clinical Surveillance
This project aims to fill this essential knowledge gap by assessing the impact of oral cholera vaccine mass campaigns in 2 sites (urban and rural) in DRC, described in this protocol. The evidence generated from this project will be key to develop future strategies regarding cholera vaccine use in endemic …
Borrelia B-cell Diagnostics
The investigators propose a single center, prospective observational study in children with Lyme disease (LD), the Borrelia B-cell diagnostics (BRILLIANT) study, to assess the immune response against Borrelia burgdorferi (Bb) with the following main objectives: Development of Bb-specific ASC ELISpot as a new test method for diagnosis of early LD. …
Pregnancy Registry in Mali
This registry will assess pregnancy outcomes through demographic surveillance and prospective data collection at a health facility in Kalifabougou, Mali.
Evaluation of Patients With Liver Disease
The proposed study aims to evaluate, investigate, and follow-up patients suffering from acute and chronic liver disease. The study will focus on understanding diseases affecting the liver. Patients participating in the study will first undergo a routine check-up as an outpatient. They will be asked to provide blood and urine …
A Study in Children and Adolescents on the Effectiveness of Takeda's Licensed Dengue Vaccine TDV Against Hospitalization Due to Dengue Disease
The main aim of this study is to collect more information on the effectiveness of TDV when used in a pilot public vaccination program for children and adolescents participating in a community-based cohort in Southeast Asian countries where TDV is already approved for use. The study will include cohort participants …
Invasive Pneumococcal Disease Study
After 7 then 13 valent pneumococcal conjugate vaccine implementation in France in children, we will evaluate the impact of this vaccination on invasive pneumococcal disease (IPD). We will describe the clinical characteristics of IPD, pneumococcus serotyping, underlying conditions and vaccination status.
