Clinical trials: Vaccine Immune Response
Influenza A Subtype H5N1 Infection
Durability and Impact of the Seasonal Influenza Vaccine on H5 Induced B Cell Response
The study is a prospective single site exploratory study to examine the impact of Food and Drug Administration (FDA) approved seasonal flu vaccine on the immune responses of H5N1 vaccine previously received with or without the…
- Trial name
- HIPCVAX-010S (NCT03701061)
- Testing
- Seasonal Influenza Vaccine
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Emory University
Malaria
Safety, Immunogenicity, and Protective Efficacy of Radiation Attenuated Plasmodium Falciparum NF54 Sporozoites (PfSPZ Vaccine) During Malaria Transmission Season in Healthy African Adult Women of Childbearing Potential in Mali
Background: Malaria is a disease spread by mosquitos. Pregnant women are highly susceptible to malaria. This can lead to poor health outcomes for pregnant women and their babies.
- Trial name
- NCT03989102
- Testing
- PfSPZ Vaccine, Normal Saline
- Where
- Mali
- Volunteers
- 324 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
2009 H1N1 Influenza
Effect of Age and Prior Immunity on Response to H1N1 Vaccines in Children
A total of 51 children between the ages of 4 and 9 will be randomized to receive a two dose schedule of either licensed live attenuated A/California/07/09 influenza vaccine (LAIV) or licensed inactivated A/California/07/09…
- Trial name
- H1N1Children (NCT01097941)
- Testing
- Live Attenuated H1N1 Influenza Vaccine, Influenza A (H1N1) 2009 Monovalent Vaccine, Influenza A (H1N1) 2009 Monovalent Vaccine/ Influenza A (H1N1) Monovalent Vaccine Live
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Rochester
Cholera, Typhoid
Studies of Immune Responses to Orally Administered Vaccines in Developing Country
The efficacy and immunogenicity of enteric vaccines have generally been found to be lower in children in the developed than in the developing countries.
- Trial name
- NCT01019083
- Testing
- Control, Zinc Sulphate, Albendazole and Secnidazole
- Where
- Bangladesh
- Volunteers
- 1,016 people, healthy volunteers welcome
- Sponsor
- International Centre for Diarrhoeal Disease Research, Bangladesh
Melanoma (Skin)
Vaccine Therapy in Treating Patients With Stage IIB, Stage IIC, Stage III, or Stage IV Melanoma
RATIONALE: Vaccines made from DNA may make the body build an effective immune response to kill tumor cells. PURPOSE: This randomized phase I trial is studying the side effects and best dose of vaccine therapy in treating patients…
- Trial name
- NCT00104845
- Testing
- human gp100 plasmid DNA vaccine, mouse gp100 plasmid DNA vaccine
- Where
- United States
- Volunteers
- 19 people
- Sponsor
- Memorial Sloan Kettering Cancer Center
Parotid Gland Infection, Fever
Observational Study to Assess Protection to Mumps in Children Received One-dose Mumps-containing Vaccine
This study was aimed to conduct a 3-year perspective study to observe the immunological effect of one-dose mumps-containing vaccine, monitor the incidence of mumps in vaccinated population aged 3-7 years，and provide basis for…
- Trial name
- NCT02901990
- Where
- 6 sites in China
- Volunteers
- 7,901 people, healthy volunteers welcome
- Sponsor
- Jiangsu Province Centers for Disease Control and Prevention
Immune Response to Influenza Vaccine, Influenza A Virus Infection
Randomized Study of Immune Response to Licensed Influenza Vaccines in Children and Adolescents
The purpose of this study is to assess the serologic and cell-mediated immune response to licensed live attenuated influenza vaccine (LAIV) and inactivated influenza vaccine (IIV) in children 5-17 years old.
- Conditions
- Immune Response to Influenza Vaccine, Influenza A Virus Infection, Influenza B Virus Infection
- Trial name
- NCT02250274
- Testing
- LAIV, IIV
- Where
- United States
- Volunteers
- 131 people
- Sponsor
- Marshfield Clinic Research Foundation
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
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
Corona Virus Infection, Flu Vaccine
Understanding Immunity to the Flu Vaccine in COVID-19 Patients
The purpose of this study is to measure immunity to the flu vaccine over time in patients who have had COVID-19 and may have other medical conditions including obesity, type 2 diabetes, chronic fatigue, or long-term COVID-19…
- Conditions
- Corona Virus Infection, Flu Vaccine, Immunity
- Trial name
- NCT04579588
- Testing
- Flu shot
- Where
- United States
- Volunteers
- 230 people, healthy volunteers welcome
- Sponsor
- Stanford University
Japanese Encephalitis, Varicella
Study of Japanese Encephalitis Chimeric Virus Vaccine (JE-CV) in Children Previously Immunized With JE-CV
The aim of the study is to investigate the memory immune response and the yearly persistence of the immunity against Japanese Encephalitis (JE) after vaccination with Japanese Encephalitis Chimeric Virus Vaccine (JE-CV) in…
- Trial name
- NCT01190228
- Testing
- JE-CV Vaccine, Varicella Vaccine
- Where
- Philippines
- Volunteers
- 454 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
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
Influenza
B-cell Immunity to Influenza (SLVP017)- Year 5, 2013
In this exploratory study, investigators will be looking at immune response differences between age groups and between the two different vaccines given to identical twins and vaccine-naive young adults.
- Trial name
- NCT03020537
- Testing
- Fluzone
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Stanford University
Hepatitis B
Long Term Follow-Up Study 16-20 Years After Hepatitis B Vaccination in Newborns of Mothers Who Were Seropositive for Hepatitis B Envelope Antigen (HBeAg) & Hepatitis B Surface Antigen (HBsAg)
This study is performed to evaluate the persistence of anti-hepatitis B surface antigen (HBs) antibodies up to 16, 17, 18, 19 and 20 years after administration of the first dose of the study vaccine, Engerix-B™.
- Trial name
- NCT00240539
- Testing
- Blood sampling
- Where
- Thailand
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Japanese Encephalitis
Open-label, Randomized Study in a Pediatric Population in a JEV (Japanese Encephalitis Virus)-Endemic Country
This is a randomized, open-label Phase 3 study including children aged >9 months to <17 years and 7 months who have been vaccinated with IXIARO in study IC51-323.
- Trial name
- NCT01296360
- Testing
- IXIARO
- Where
- 3 sites in Philippines
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Valneva Austria GmbH
Paramyxoviridae Infections, Virus Diseases
Safety of and Immune Response to Recombinant Live Attenuated Parainfluenza Type 3 Virus Vaccine in Healthy Infants and Children
Human parainfluenza viruses (HPIVs) are a major health concern in infants and young children under 5 years of age, causing serious respiratory tract disease.
- Trial name
- NCT01021397
- Testing
- rHPIV3cp45
- Where
- 2 sites in United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Arsenic--Toxicology, Immunologic Disorders Complicating Pregnancy
Pregnancy, Arsenic and Immune Response
As the global availability of vaccines increases, and reaches areas disproportionately affected by arsenic and malnutrition, resolving questions about potential environmental and biologic barriers to maternal immunization has…
- Conditions
- Arsenic--Toxicology, Immunologic Disorders Complicating Pregnancy, Vaccine Response Impaired, Micronutrient Deficiency
- Trial name
- PAIR (NCT03930017)
- Testing
- Seasonal influenza vaccine - VAXIGRIP TETRA influenza vaccine (quadrivalent, split virion, inactivated)
- Where
- Bangladesh
- Volunteers
- 784 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins Bloomberg School of Public Health
Prevention of Meningococcus C Infections
Evaluation of Vaccinal and Natural Immunity Against Meningococcus C
Meningococcus C vaccine was first used in France to prevent epidemics. It was a success in Puy-de-Dôme, Landes, Pyrénées Atlantiques and Hautes Pyrénées.
- Trial name
- NCT02844088
- Testing
- Meningococcus C conjugate vaccine
- Where
- France
- Volunteers
- 184 people, healthy volunteers welcome
- Sponsor
- University Hospital, Clermont-Ferrand
Poliomyelitis
Trail To Evaluate the Immune Effects of Primary and Booster Immunizations With Poliovirus Vaccine
Trail To Evaluate the Immunity Duration of healthy children who already took part in " The safety and immunogenicity by different sequential schedules of bOPV and bOPV in dragee candy with sIPV, a randomized, double blind, single…
- Trial name
- NCT03821441
- Testing
- bOPV(Candy), bOPV(Liquid)
- Where
- China
- Volunteers
- 1,165 people, healthy volunteers welcome
- Sponsor
- Chinese Academy of Medical Sciences
Dengue
Serological Study of Dengue and Characterization of Immune Response in Ten Endemic and Non-Endemic Cities in Mexico
Background: Dengue continues to be a high priority disease for public health in tropical and subtropical countries, where vector control measures have not had the expected impact on transmission.
- Trial name
- NCT04947111
- Testing
- Estimate the distribution of antibodies by serotype by Dengue virus in areas of low and high incidence of dengue
- Where
- Mexico
- Volunteers
- 1,960 people, healthy volunteers welcome
- Sponsor
- Mexican Society of Public Health