Clinical trials: Immune Response
Hepatitis C
Effects of Chronic Viral Infection on Immune Response to Zoster Vaccination
This study aims to identify the innate and adaptive immune response to zoster vaccination. Half of the participants will be individuals with chronic hepatitis C, while the other half with healthy volunteers.The innate immune…
- Trial name
- NCT02590068
- Testing
- Zoster vaccine live
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Rockefeller University
Gonorrhoea
Mucosal Immunity Against Neisseria Gonorrhoeae After 4CMenB Vaccination
This is a Phase 2 mechanistic clinical trial to assess the systemic and mucosal immunogenicity of the multicomponent meningococcal serogroup B vaccine (4CMenB or Bexsero (R)) (group 1, 40 subjects) against Neisseria gonorrhoeae…
- Trial name
- NCT04722003
- Testing
- Meningococcal Group B Vaccine
- Where
- United States
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
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
Typhoid Fever
Safety and Immunogenicity of a Novel Conjugate Vaccine Against Salmonella Typhi and Salmonella Paratyphi A in Healthy Adults
A bivalent Typhoid and Paratyphoid A conjugate investigational vaccine aimed to prevent both typhoid and paratyphoid enteric fever in infants and older age groups has been developed by GlaxoSmithKline (GSK).
- Trial name
- NCT05613205
- Testing
- TYP04A Low Dose without Alum investigational vaccine, TYP04B Full Dose without Alum investigational vaccine, TYP03A Low Dose with Alum investigational vaccine
- Where
- Belgium
- Volunteers
- 97 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Infections, Papillomavirus
Evaluation of the Immune and Safety Response of GlaxoSmithKline (GSK) Biologicals' HPV Vaccine in Healthy Indian Women
Human papillomavirus infection has clearly been recognized as the cause of cervical cancer. Indeed, the infection of the cervix by certain oncogenic types of HPV, if not cleared , can lead over time to cervical cancer in women .
- Trial name
- NCT00344032
- Testing
- HPV-16/18 VLP/AS04 Vaccine (Cervarix TM)
- Where
- 4 sites in India
- Volunteers
- 354 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Respiratory Syncytial Virus
A Study to Evaluate the Safety and Immune Response of mRNA-1345, a Vaccine Targeting Respiratory Syncytial Virus (RSV), When Co-administered With a Fluzone HD, in Adults ≥65 Years of Age
The main purpose of this study is to evaluate the safety and immunogenicity of mRNA-1345 RSV vaccine when coadministered with a high dose (HD) quadrivalent seasonal influenza vaccine (Fluzone HD) in adults ≥65 years of age.
- Trial name
- NCT06060457
- Testing
- mRNA-1345, Fluzone HD
- Where
- 34 sites in United States
- Volunteers
- 1,900 people, healthy volunteers welcome
- Sponsor
- ModernaTX, Inc.
Respiratory Infection
Human Lung Responses to Respiratory Pathogens
For most individuals, the lung has a remarkable ability to deal with exposure to a variety of inhaled bacteria. Some individuals, however, do have recurrent bacterial infections, usually in the form of acute or chronic bronchitis…
- Trial name
- NCT01967628
- Testing
- Vitamin D3 (cholecalciferol)
- Where
- United States
- Volunteers
- 98 people, healthy volunteers welcome
- Sponsor
- University of Iowa
Streptococcal Infection, Gram-positive Bacterial Infection
Immune Response Induced by a Vaccine Against Group B Streptococcus and Safety in Pregnant Women and Their Offsprings
The study investigated the immune response induced by the Group B streptococcus vaccine in healthy pregnant women. In addition, the study investigated the amount of vaccine induced antibodies which were transferred to the newborn.
- Conditions
- Streptococcal Infection, Gram-positive Bacterial Infection, Bacterial Infection
- Trial name
- NCT01446289
- Testing
- Group B Streptococcus Trivalent Vaccine
- Where
- 5 sites in Belgium, Canada
- Volunteers
- 86 people, healthy volunteers welcome
- Sponsor
- Novartis
Influenza
Evaluating Immune Response to Seasonal FluMist in Healthy Adults
The Live-Attenuated Influenza Vaccine (LAIV), also known as FluMist, has been shown to be effective in children but less effective in adults.
- Trial name
- NCT01673425
- Testing
- Live Attenuated Influenza Vaccine
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- National Center for Occupational Health and Infection Control
Ivermectin
Ivermectin and Human Immunity
We hypothesize that ivermectin, a drug used to treat parasitic worm infections, interacts with the human innate immune system and that this contributes to its anti-parasitic effects.
- Trial name
- NCT03459794
- Testing
- Ivermectin
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Georgia
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
Respiratory Syncytial Virus Infections
A Study on the Immune Response, Safety and the Occurrence of Respiratory Syncytial Virus (RSV)-Associated Respiratory Tract Illness After Administration of RSV OA Vaccine in Adults 60 Years and Older
The purpose of the current study is to evaluate the immune response of the RSVPreF3 OA investigational vaccine in older adults (OA) at least (>=) 60 years of age (YOA) in China compared to OA in the same age range to be enrolled…
- Trial name
- NCT06551181
- Testing
- RSVPreF3 OA investigational vaccine
- Where
- 40 sites in China, Finland and 5 more
- Volunteers
- 2,620 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Beta Haemolytic Streptococcal Infection
Prevention of GBS Colonization Via Immunity
The group B streptococcus (GBS) vaccine study is being done to see if a single vaccination with a GBS type III vaccine can stop women from getting GBS type III bacteria in the vagina.
- Trial name
- NCT00128219
- Testing
- GBS III-TT, Tetanus and diptheria toxoids vaccine
- Where
- 3 sites in United States
- Volunteers
- 667 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
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
Respiratory Syncytial Virus Infections
A Study on the Immune Response and Safety of an RSV Vaccine When Given to Adults 18 Years of Age and Above Who Received Lung or Kidney Transplant and Are at an Increased Risk of Respiratory Syncytial Virus Lower Respiratory Tract Disease and Compared to Healthy Adults 50 Years of Age and Above
The purpose of this study is to evaluate the immunogenicity, safety, and reactogenicity of the RSVPreF3 OA investigational vaccine in an immunocompromised (lung and renal transplant recipients) population and assess whether a…
- Trial name
- RSV OA=ADJ-023 (NCT05921903)
- Testing
- RSVPreF3 OA Investigational Vaccine
- Where
- 46 sites in United States, Australia and 6 more
- Volunteers
- 386 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Healthy, no Evidence of Disease
Cholecalciferol and Flu Vaccine in Treating Healthy Participants
This randomized clinical trial studies cholecalciferol and flu vaccine in treating healthy participants. Cholecalciferol may increase the immunologic response of flu vaccine in healthy participants.
- Trial name
- NCT01561989
- Testing
- cholecalciferol, questionnaire administration, trivalent influenza vaccine
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Roswell Park Cancer Institute
Rotavirus
A Study of the Safety and Immune Response to RotaTeq™ Vaccine in the Elderly (V260-027)
This is a Phase I clinical trial including 2 parts to evaluate the safety and immune response to RotaTeq™ /placebo in subjects of 65 to 80 years of age.
- Trial name
- NCT00836498
- Testing
- Comparator: RotaTeq
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Merck Sharp & Dohme LLC
Hepatitis B Vaccine
Long-term Persistence of Immunity to Hepatitis B in Adults Vaccinated With GlaxoSmithKline (GSK) Biologicals' Hepatitis B Vaccine (HBV), Engerix-B
The purpose of this study is to assess the long-term protection against HBV infection in adult subjects, aged 18-40 years vaccinated with three or four doses of Engerix-B 20 to 30 years ago
- Trial name
- NCT02901951
- Testing
- Engerix-B
- Where
- 4 sites in Belgium, Canada
- Volunteers
- 106 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline