Clinical trials: Impact of Vaccination
Cholera
Oral Cholera Vaccine Delivery in Rural Bangladesh
Background: Vibrio cholerae is one of the major causes of severe diarrheal disease in Bangladesh. It is estimated that there are about 450,000 cholera cases each year in Bangladesh.
- Trial name
- ROCV (NCT01811771)
- Testing
- Shanchol vaccine
- Where
- Bangladesh
- Volunteers
- 60,000 people, healthy volunteers welcome
- Sponsor
- International Centre for Diarrhoeal Disease Research, Bangladesh
Streptococcus Pneumoniae
Impact of the 7 Valent Pneumococcal Conjugate Vaccine (7vPCV) on Nasopharyngeal Carriage of Streptococcus Pneumoniae in Healthy Jordanian Infants
Nasopharyngeal (NP) colonization of S. pneumoniae in infants is generally acquired at approximately 4-6 months of age. Although there are differences in the prevalence and rank order of serotypes obtained from NP specimens and…
- Trial name
- 7vPCV (NCT00900978)
- Testing
- 7 valent pneumococcal conjugate vaccine (7v-PCV) - Prevenar
- Where
- Jordan
- Volunteers
- 377 people, healthy volunteers welcome
- Sponsor
- German-Jordanian University
Ebola, Bundibugyo Virus Disease (BVD)
BRAVO is a Phased Outbreak-response Study in the DRC Evaluating ERVEBO® Vaccination in ~20,000 Frontline Workers During the 2026 BDV Outbreak, Step A Assesses Real-world Effectiveness, Safety, and Impact on Severe Disease and Mortality, While Generating Evidence for Future BDV Vaccination Strategies
The BRAVO study (Bundibugyo: Respondre Avec la Vaccination, "On est ensemble") was developed in response to the 2026 Bundibugyo virus disease (BVD) outbreak in the Democratic Republic of the Congo (DRC).
- Trial name
- BRAVO (NCT07903350)
- Testing
- ERVEBO Vaccination
- Where
- Democratic Republic of the Congo
- Volunteers
- 20,000 people, healthy volunteers welcome
- Sponsor
- Epicentre
COVID-19 Pandemic
Effect of Covid-19 Vaccination on Male
we will assess the effect ofcovid19 vaccination on the reproductive and sexual function of the Male Egyptian
- Trial name
- NCT05299307
- Testing
- semen analysis and hormonal proflie
- Volunteers
- 220 people, healthy volunteers welcome
- Sponsor
- Assiut University
HPV Infection
HPV Prevalence in 16-20 Year Old Males
In Quebec, 18 birth cohorts of girls were vaccinated against HPV (aged 9 to 29 years in 2020). With an observed vaccination coverage of >80% an important herd effect might be expected.
- Trial name
- NCT04297670
- Testing
- Measurement of HPV types prevalence
- Where
- Canada
- Volunteers
- 681 people, healthy volunteers welcome
- Sponsor
- Laval University
Vaccination Behavior
Child Vaccination Scheduling in China
This study aims to optimize pediatric vaccine scheduling in China . The first objective is to gather information on current vaccine schedules in China.
- Trial name
- NCT07141875
- Testing
- No intervention
- Where
- China
- Volunteers
- 6,000 people, healthy volunteers welcome
- Sponsor
- Peking University