Clinical trials: Impact of Vaccination, open to volunteers
Impact of Vaccination
Intranasal LAIV Mucosal Immunity Examination
The research of the investigators is focused on the understanding how the immune system functions and responds to intranasal vaccines.
- Trial name
- NCT07093281
- Testing
- Live Attenuated Influenza Vaccine
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- University of Maryland, Baltimore
Bordetella Pertussis, Whooping Cough
Impact of Bacterial Expression and Immune Response in the Severity of Pertussis
The resurgence of pertussis is associated with an evolutionary mechanism under the pressure of current acellular vaccines, with a possible impact on vaccine effectiveness and disease expression.
- Trial name
- PERT-SEVEREII (NCT05897879)
- Testing
- Nasopharyngeal swab, Blood samples
- Where
- 14 sites in France
- Volunteers
- 210 people
- Sponsor
- Institut Pasteur
Chronic Kidney Disease Requiring Chronic Dialysis, Vaccine Response
Impact Of Kidney Failure On The Regulation Of Humoral Response To Vaccination
The aim of this observational study is to determine if and how kidney failure affects the development of protective immune responses following vaccination in patients on chronic dialysis.
- Trial name
- Tfh-CKD (NCT06635525)
- Testing
- Influenza vaccination, SARS-CoV-2 vaccine
- Where
- 3 sites in Italy
- Volunteers
- 146 people, healthy volunteers welcome
- Sponsor
- Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico
Middle School and High School Students
Impact of an HPV Primary Prevention Intervention on HPV Vaccination Rates Among Adolescents in the AuRA Region.
Human papillomaviruses (HPV) are very common contagious viruses: approximately 70% of men and women will be infected during their lifetime.
- Trial name
- PIMCOP (NCT07414719)
- Testing
- HPV animation
- Where
- France
- Volunteers
- 1,422 people, healthy volunteers welcome
- Sponsor
- Centre Leon Berard
Ebola Virus Disease
Impact of Delay Between Administration of Inmazeb Administration and Vaccination by Ervebo on Vaccine Immune Response on Healthy Volunteers
Ebola virus disease (EVD) is emerging regularly in various African countries for various reasons: during contact with mortal remains, during an unsafe burial or following the viral dissemination around a recovered patient.
- Trial name
- NCT05202288
- Testing
- Ervebo, Inmazeb
- Volunteers
- 132 people, healthy volunteers welcome
- Sponsor
- ANRS, Emerging Infectious Diseases
Plasmodium Falciparum Malaria
Mass Vaccine and Drug Administration, Bangladesh
This is an open i.e. not blinded, cluster-randomised, controlled intervention study. The study will use a factorial design to estimate the protective effectiveness of mass drug administrations, mass vaccinations, combined mass…
- Trial name
- MVDA (NCT06068530)
- Testing
- DHA/piperaquine and a SLD-PQ, Study vaccine R21/Matrix-M™
- Where
- 2 sites in Bangladesh
- Volunteers
- 10,000 people
- Sponsor
- University of Oxford
Cervical Intraepithelial Neoplasia
Impact on Disease Relapse of HPV Vaccination in Women Treated With LEEP for Cervical Intraepithelial Neoplasia. HOPE9
This study evaluates the impact on disease relapse of presurgical 9-valent HPV vaccination versus placebo vaccination in women treated with LEEP (loop electrosurgical excision procedure) for CIN2+ (high grade cervical…
- Trial name
- HOPE9 (NCT03848039)
- Testing
- Gardasil-9
- Volunteers
- 1,220 people
- Sponsor
- Alessandro Ghelardi
Congenital Heart Defects, Thymectomy
Impact of Thymectomy on Immunity in Infants After Cardiac Surgery
Heart surgery in infants typically involves complete removal of the thymus gland to improve access to the heart. However, the thymus plays a key role in developing the immune system in early childhood, especially in the…
- Conditions
- Congenital Heart Defects, Thymectomy, Immunological Deficiency Syndrome
- Trial name
- THYMIC (NCT07019857)
- Testing
- Blood sample collection at surgery time and 12 months later
- Where
- 2 sites in France
- Volunteers
- 70 people
- Sponsor
- Nantes University Hospital
Cancer , Healthy, HPV - Anogenital Human Papilloma Virus Infection
The Effect of the Health Belief Model-Based Education Given to Mothers of Children Aged 9-15 on HPV Knowledge Level and Child Vaccination
This study aims to examine the effects of education provided to mothers of children aged 9-15 within the framework of the Health Belief Model on mothers' knowledge, attitudes, and behaviors about Human Papillomavirus (HPV), and…
- Conditions
- Cancer , Healthy, HPV - Anogenital Human Papilloma Virus Infection, Health Belief Model
- Trial name
- NCT07450703
- Testing
- HEALTH BELİEF MODEL
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Gaziantep
Cervical Cancer
Impact of HPV Vaccination on Prevention of Cervical HPV Infection in Sikkim, India
This project aims is to monitor the effectiveness of HPV vaccination in real-word conditions, at least 7 years after initiation of HPV vaccination in Sikkim.
- Trial name
- HPV-Vac-S (NCT04588402)
- Testing
- The study being observational in nature, there is no intervention. The investigators will only collect cervical samples from married women within a specified age range at different intervals.
- Where
- India
- Volunteers
- 5,500 people, healthy volunteers welcome
- Sponsor
- International Agency for Research on Cancer
Older Adults Without Any Specific Clinical Condition, Social Networks
A Study to Evaluate Community-Based Measures to Increase RSV Vaccine Use Among Latino Adults
In collaboration with community-based organizations, this study will focus on increasing RSV vaccine use among Latinos. The study will determine how effective community health worker counseling and text-message approaches are to…
- Conditions
- Older Adults Without Any Specific Clinical Condition, Social Networks, RSV Immunization, Vaccine Uptake
- Trial name
- NCT07171164
- Testing
- Motivate Aim: CHW text message reminders and counseling, Motivate Aim: CHW text message reminders only, Activate Aim: CHW text message reminders and counseling
- Where
- United States
- Volunteers
- 750 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Gonorrhea, Neisseria Gonorrhea
Metagenomic Analysis of the Pharynx in High Risk Partners
The Neisseria gonorrhoea (NG) epidemic in England is at the highest level in one hundred years of public health records. The World Health Organisation has listed NG as one of the top five bacterial infections globally because of…
- Conditions
- Gonorrhea, Neisseria Gonorrhea, Neisseria Meningitidis, Metagenomic Next Generation Sequencing
- Trial name
- NCT07671014
- Volunteers
- 100 people
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust
Systemic Vasculitis, Spondylarthropathies
Vaccination Against Herpes Zoster in Patients With Inflammatory Rheumatic Diseases
The purpose of HZ-REUMA study is explore vaccine response and protection against shingles (herpes zoster, HZ) after vaccination with two doses of Shingrix in immunosuppressed patients with inflammatory rheumatic diseases (IRD)…
- Conditions
- Systemic Vasculitis, Spondylarthropathies, Psoriatic Arthritis, Scleroderma
- Trial name
- HZ-REUMA (NCT06763783)
- Testing
- Shingrix, vaccination with 2 doses of Shingrix vaccine
- Where
- Sweden
- Volunteers
- 240 people
- Sponsor
- Region Skane
Healthcare Providers, Postpartum
Impact of Vaccine Funding by the National Health Insurance on Vaccination Coverage Among Patients Targeted by Current Vaccination Recommendations and Followed in Outpatient Consultations
The objective of our study is to evaluate the impact of vaccine funding for patients seen in outpatient consultations within four healthcare institutions in the Ile-de-France region in France, made possible through the…
- Trial name
- VAXINOVA (NCT07243236)
- Testing
- Questionnaires for patients, Questionnaires for healthcare providers
- Where
- 6 sites in France
- Volunteers
- 2,920 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Vaccination; Infection
Study of the Impact of Time of Vaccination on Response to Influenza Vaccine in Patients With Chronic Renal Failure
Immune response to influenza vaccine in patients with chronic renal insufficiency.
- Trial name
- CHRONOVAX2 (NCT06907667)
- Testing
- Vaccine injection
- Where
- France
- Volunteers
- 735 people
- Sponsor
- Centre Hospitalier Universitaire de Nice
Tick Borne Encephalitis (TBE)
Burden of Tick-borne Encephalitis and Cost-effectiveness of Vaccination in the Czech Republic
This observational study follows children and adults who were hospitalized with tick-borne encephalitis (TBE) in the Czech Republic.
- Trial name
- ENCZECH (NCT07274046)
- Testing
- No intervention
- Where
- 4 sites in Czechia
- Volunteers
- 209 people
- Sponsor
- Charles University, Czech Republic
Cholera
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.
- Trial name
- NCT04853186
- Where
- Democratic Republic of the Congo
- Volunteers
- 6,000 people
- Sponsor
- Epicentre
Papillomavirus Infection, Papillomavirus Vaccines
Impact of an e-Bug Educational Intervention on HPV Vaccine Uptake in Middle School Students
This study is a non-interventional observational pilot analysis assessing the possible impact of an educational programme (e-Bug) on parental consent and HPV vaccination uptake during the 2023-2024 and 2024-2025 national…
- Conditions
- Papillomavirus Infection, Papillomavirus Vaccines, Vaccination Coveage
- Trial name
- NCT07266857
- Testing
- Consent for HPV vaccination
- Where
- France
- Volunteers
- 11,000 people
- Sponsor
- Centre Hospitalier Universitaire de Nice
Immunology
Impact of Egg-Based and Cell-Based Vaccine Platforms on Immune Responses to Repeated Influenza Vaccination
The goal of this clinical trial is to learn how different types of influenza (flu) vaccines affect the body's immune response over time.
- Trial name
- NCT07910266
- Testing
- Egg-Based Inactivated Influenza Vaccine, Cell-Based Inactivated Influenza Vaccine
- Where
- United States
- Volunteers
- 220 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
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