Clinical trials: Humoral Immune Responses
Influenza, Healthy
The Role of CD4+ Memory Phenotype, Memory, and Effector T Cells in Vaccination and Infection
The purpose of this study is provide a better understanding of the adaptive immune response to the licensed influenza vaccines in children.
- Trial name
- SLVP030 (NCT03453801)
- Testing
- Fluzone®, FluMist®
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Stanford University
Polio
Immunogenicity of 1 or 2 Doses of bOPV in Chilean Infants Primed With IPV Vaccine
The rationale for this study (IPV 002ABMG) is to evaluate and compare three doses of IPV, two doses of IPV plus one bOPV, and one dose of IPV plus two doses of bOPV in order to provide evidence for better immunization policy…
- Trial name
- IPV002ABMG (NCT01841671)
- Testing
- IPV, bOPV, mOPV type 2
- Where
- Chile
- Volunteers
- 570 people, healthy volunteers welcome
- Sponsor
- University of Chile
Pneumococcal Infections
Immunity to Serotype 19A Streptococcus Pneumoniae in Children Vaccinated With PCV10
The aim of the study are to assess the persistence of immunity against vaccine serotypes (VSTs) and vaccine-related serotypes in PCV10 vaccinated children in Finland.
- Trial name
- NCT04912297
- Testing
- 10-valent pneumococcal conjugate vaccine, PCV10
- Where
- Finland
- Volunteers
- 186 people
- Sponsor
- Finnish Institute for Health and Welfare
Gut Microbiota, Skin Microbiota
Lactobacillus Rhamnosus GG: Interaction With Human Microbiota and Immunity
Hypothesis: Probiotics have been used as novel adjunct therapeutic approach in atopic dermatitis. In addition to balancing the gut microecology and promoting host immune defences, specific probiotics might further aid in…
- Conditions
- Gut Microbiota, Skin Microbiota, Humoral Immune Responses, Severity of Atopic Dermatitis
- Trial name
- NCT01148667
- Testing
- Casein hydrolysate added with LGG, Infants drink casein hydrolysate without LGG
- Where
- Finland
- Volunteers
- 40 people
- Sponsor
- Turku University Hospital
COVID-19
Assessment of Incidence of SARS-CoV-2 Infection and COVID-19 in Brazil (AVISA)
This is an observational study, meaning that no interventions is tested, to determine incidence of SARS-CoV-2 infection and COVID-19 in different clinical sites in Brazil in several age groups.
- Trial name
- AVISA (NCT04355338)
- Where
- 11 sites in Brazil
- Volunteers
- 3,520 people, healthy volunteers welcome
- Sponsor
- Butantan Institute
Poliomyelitis
Monovalent Oral Poliovirus Vaccine Type 1 Intestinal and Humoral Immunity Study
This is an open-label phase IV randomized clinical trial that will assess intestinal and humoral immunity among infants who receive a combination of monovalent oral poliovirus vaccine type 1 and fractional dose of inactivated…
- Trial name
- mOPV1 (NCT03722004)
- Testing
- mOPV1, bOPV, fIPV
- Where
- Bangladesh
- Volunteers
- 1,256 people, healthy volunteers welcome
- Sponsor
- Centers for Disease Control and Prevention
Whooping Cough, Pertussis
Observational Study Describing the Immune Profile Induced By Pertussis Vaccines
This is an observational study designed to describe the immune profile of toddlers and preschoolers with acellular priming after receiving a booster dose of pertussis vaccine.
- Trial name
- NCT03147898
- Where
- 2 sites in Mexico, Panama
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Sanofi
Atherosclerosis, Chlamydia Infections
Effects of Hormone Therapy on the Immune Systems of Postmenopausal Women With Chronic Infections
Hardening of the arteries (atherosclerosis) and heart disease are much more common in men than in women. However, as women grow older, especially after menopause the incidence of atherosclerosis and heart disease increases.
- Conditions
- Atherosclerosis, Chlamydia Infections, Cytomegalovirus Infections, Pneumonia, Bacterial
- Trial name
- NCT00001890
- Testing
- Estrogen therapy
- Where
- United States
- Volunteers
- 80 people
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Food Allergy, Egg Protein Allergy
Immune Responses in Hen's Egg Oral Immunotherapy
The study determines how a 6 months oral immunotherapy (OIT) program with hen's egg (HE) effects cellular and humoral immune responses in 50 children with HE allergy.
- Conditions
- Food Allergy, Egg Protein Allergy, Immune Tolerance
- Trial name
- NCT03744325
- Testing
- Hen's egg OIT
- Volunteers
- 50 people
- Sponsor
- Helsinki University Central Hospital
Pneumonia, Pneumococcal Infections
Humoral Determinants of Immunity to Pneumococcal Infection
The purpose of this study is to determine whether there are differences in the level of antibody to capsular polysaccharides of S.
- Conditions
- Pneumonia, Pneumococcal Infections, Infections, Streptococcus Pneumoniae
- Trial name
- NCT00304382
- Testing
- Prevnar, Pneumovax
- Where
- United States
- Volunteers
- 114 people
- Sponsor
- VA Office of Research and Development
Cytomegalovirus Infection, HSCT
Impact of the Lack of CMV-Specific CD8+ T Cell Response in CMV-Seropositive Donors in CMV Reactivation After Hematopoietic Stem Cells Transplant in CMV-Seropositive Recipients
Donor and recipient CMV-serostatus is one of the risk factor for CMV infection in solid organ transplantation. Recipients with IgG positive anti-CMV are classified as low-risk patients since it is considered that patients also…
- Trial name
- CYTHEMAT (NCT03210090)
- Where
- 2 sites in Spain
- Volunteers
- 100 people
- Sponsor
- Maimónides Biomedical Research Institute of Córdoba
Malaria, Filarial Infection
Immune Response Regulation in People Infected Concurrently With Malarial and Filarial Parasites
This study, conducted by NIH and the University of Bamako in Mali, Africa, will study the effect of concurrent infections with malaria and filariasis on patients' immune response.
- Trial name
- NCT00341666
- Where
- Mali
- Volunteers
- 360 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Influenza Vaccine Allergy, Cell Mediated Reaction
Immune Response Study of Influenza Vaccine
An observational clinical study will be performed in subjects aged 12-60 years old to describe the dynamic changes of humoral immune/cellular immunity after vaccination of influenza vaccine, and to discuss the role of different…
- Trial name
- NCT01310374
- Volunteers
- 207 people, healthy volunteers welcome
- Sponsor
- Centers for Disease Control and Prevention, China
Antibiotic Resistance Prevention
Assessing the Impact of Unnecessary Antibiotic Treatment on the Development of Appropriate Adaptive Immune Responses in Malnourished Bangladeshi Infants
The investigators are examining the role of circulating T follicular helper (Tfh) cells in the induction of the antibody responses.
- Trial name
- NCT07615842
- Testing
- Azithromycin
- Where
- Bangladesh
- Volunteers
- 150 people
- Sponsor
- University of Virginia
Seasonal Influenza, Influenza
Humoral and Cell Mediated Immunity and Safety of MF59C.1-adjuvanted Subunit Influenza Vaccine or a Conventional Subunit Influenza Vaccine in Previously Unvaccinated Healthy Subjects
This study aims to evaluate the immunogenicity, by means of cell mediated immunity (CMI) and hemagglutination inhibition (HI) assay, and also the safety of a MF59C.1-adjuvanted subunit influenza vaccine compared with a…
- Conditions
- Seasonal Influenza, Influenza, Influenza Due to Unspecified Influenza Virus, Human Influenza
- Trial name
- NCT01342796
- Testing
- MF59C.1-adjuvanted subunit influenza vaccine, Sub unit, Inactivated, Influenza vaccine
- Where
- 2 sites in Belgium
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Novartis Vaccines
Influenza
Influenza Vaccine in Pediatric Transplant Subjects
The purpose of this study is to evaluate how well children responds to the recommended trivalent subviron influenza vaccine (flu shot).
- Trial name
- NCT00133510
- Testing
- Trivalent Subviron Influenza vaccine (Fluzone)
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
COVID-19 Infection
Send-In Sample Collection for Comprehensive Analyses of Innate and Adaptive Immune Responses During Acute COVID-19 and Convalescence
Background: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causes coronavirus disease 2019 (COVID-19). The global outbreak of COVID-19 is a major public health problem. COVID-19 causes a wide range of symptoms.
- Trial name
- NCT04582903
- Where
- United States
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Vaccines, Pneumococcal Conjugate Vaccine
Study Evaluating Prevenar Immunogenicity in High Risk Children
To determine immunogenicity of the heptavalent CRM197 pneumococcal conjugate in children with immunodeficiency condition. To evaluate tolerability of Prevenar® in that population.
- Trial name
- NCT00581620
- Testing
- pneumococcus conjugate vaccine
- Volunteers
- 160 people
- Sponsor
- Wyeth is now a wholly owned subsidiary of Pfizer
Acute Lymphoblastic Leukemia, Acute Myelogenous Leukemia
Donor-Derived Humoral Immunity, Hematopoietic Stem Cell Transplantation, TAR
This research study is for subjects that are receiving a bone marrow transplant. As part of the transplant subjects will receive stem cells from a donor who has agreed to donate stem cells for them.
- Conditions
- Acute Lymphoblastic Leukemia, Acute Myelogenous Leukemia, Chronic Myelogenous Leukemia, Myelodysplastic Syndrome
- Trial name
- TAR (NCT01611298)
- Testing
- Tetanus
- Where
- 2 sites in United States
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- Robert Krance
Poliomyelitis
Intestinal and Humoral Immunity of Sequential Polio Vaccination Schedules
This is a phase IV open-label randomized clinical trial that will compare intestinal and humoral immunity in infants receiving inactivated poliovirus vaccine (IPV) and two or three doses of bivalent oral poliovirus vaccine (bOPV).
- Trial name
- NCT02412514
- Testing
- bOPV (three dose), bOPV (two dose), IPV
- Where
- Bangladesh
- Volunteers
- 456 people, healthy volunteers welcome
- Sponsor
- Centers for Disease Control and Prevention