Clinical trials: Immune Responses
Mucosal Immune Response to Influenza Vaccination
How Healthy Adults Respond to the Nasal Flu Vaccine
This study is looking at how the immune system in the nose responds after receiving the FluMist nasal flu vaccine in healthy adults. FluMist is an FDA-approved influenza vaccine that is given as a nasal spray.
- Trial name
- MOSAIC (NCT07726862)
- Testing
- FluMist (Live Attenuated Influenza Vaccine)
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Feasibility Study, Vaccine Immune Response
How Gut Health Affects Immune Responses to the Oral Rotavirus Vaccine in Adults in Zambia
The Rotavirus SpatioTrasncriptomics (Rota-Omics) study is a multidisciplinary research project aimed at understanding why oral rotavirus vaccines perform less effectively in some low- and middle-income countries, including…
- Conditions
- Feasibility Study, Vaccine Immune Response, Rota Virus Gastroenteritis, Transcriptomics
- Trial name
- Rota-Omics (NCT07626606)
- Testing
- Rotarix®,
- Where
- Zambia
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Centre for Infectious Disease Research in Zambia
Influenza, Influenza Vaccines
Comparative Immunologic Mechanisms and Microbiome Interactions Following Different Influenza Vaccine Formulations in Older Adults
This prospective, randomized, open-label clinical study aims to evaluate the immunogenicity and underlying immune mechanisms of different influenza vaccine formulations in adults aged ≥65 years.
- Conditions
- Influenza, Influenza Vaccines, Microbiome, Immune Response
- Trial name
- NCT07805837
- Testing
- Standard-Dose Influenza Vaccine, MF59-Adjuvanted Influenza Vaccine, High-Dose Influenza Vaccine
- Where
- South Korea
- Volunteers
- 121 people, healthy volunteers welcome
- Sponsor
- Korea University Guro Hospital
Gut Microbiome, Immune Responses
Effects of Probiotic Supplementation on Gut Health, Immune Response, and Well-Being
This randomized, double-blind, placebo-controlled exploratory study will evaluate the effects of daily probiotic supplementation on gut barrier function, immune-related markers, and well-being in healthy adults with mild to…
- Conditions
- Gut Microbiome, Immune Responses, Well-being
- Trial name
- NCT07779265
- Testing
- Probiotic capsules
- Where
- Germany
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Orthomol Pharmazeutische Vertiebs GmbH
Intestinal Permeability, Immune Response
Fructose and (Aging)
The aim of the present study is to investigate the effect of fructose consumption on health parameters and the intestinal barrier in healthy individuals
- Trial name
- FRUage (NCT07757347)
- Testing
- Fructose, Glucose
- Where
- Austria
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Vienna
Vaccine Response, COVID-19 Vaccine
Thymalfasin (Thymosin Alpha 1; Ta1) as an Enhancer of Vaccine Response Among Older Adults Receiving Booster Doses of COVID-19 Vaccine
The goal of this research is to learn more about ZADAXIN® (trade name; thymalfasin generic; Ta1 for short) and determine if Ta1 has any benefit in increasing the immune response to the COVID-19 vaccine.
- Conditions
- Vaccine Response, COVID-19 Vaccine, Immune Response to Covid 19 Vaccination
- Trial name
- NCT06821100
- Testing
- Thymalfasin (Thymosin alpha 1, Ta1)
- Where
- United States
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- The Methodist Hospital Research Institute
Immune System Responses and Trained Immunity After AS01 Administration, Healthy Adult
Improving Vaccine Protection for Adults
As people grow older, their immune system - the body's natural defence against diseases - becomes weaker, making them more vulnerable to infections and less responsive to vaccines.
- Trial name
- NCT07527247
- Testing
- AS01 adjuvant (0.5 mL intramuscular), YF17D (Stamaril, Sanofi-Pasteur)
- Where
- Singapore
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Singapore General Hospital
COVID-19, Immune Response
Immunomodulatory Effect of Probiotics on the Immunogenicity of Anti-SARS-CoV-2 Vaccines
This study aims to evaluate whether oral probiotic supplementation can modulate the immune response induced by COVID-19 vaccination.
- Trial name
- NCT07610512
- Testing
- Probiotics
- Where
- Taiwan
- Volunteers
- 138 people, healthy volunteers welcome
- Sponsor
- Grape King Bio Ltd.
Hepatitis B Vaccination, Immune Response
Study of the Cellular Response Induced After Vaccination Against the Hepatitis B Virus
296 million people worldwide are infected with the hepatitis B virus (HBV), despite the existence of an effective prophylactic vaccine.
- Conditions
- Hepatitis B Vaccination, Immune Response, T Cells
- Trial name
- HBVax (NCT06876467)
- Testing
- Evaluation of cellular response
- Where
- France
- Volunteers
- 115 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Hypoxemia, Acute Mountain Sickness (AMS)
The Role of Acetazolamide in Mitigating Inflammation and Innate Immune Activation at High Altitude
High altitude travel can lead to inflammation in the body and activation of innate immune cells. The investigators' prior research demonstrates that 1 to 3 days at 3800 m elevation leads to increased expression of genes in blood…
- Conditions
- Hypoxemia, Acute Mountain Sickness (AMS), Inflammation, Immune Response
- Trial name
- NCT07517068
- Testing
- ACETAZOLAMIDE oral capsule
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- University of California, Riverside
Immune Response
Surveillance of Vaccine-induced Immunity Against Ebola in Previously Vaccinated Health Care Workers
During the previous Ebola virus disease (EVD) outbreaks, the institute National de Recherche Biomédicale (INRB) and other institutional's staff in Democratic Republic of the Congo (DRC) got vaccinated with the rVSV-ZEBOV vaccine.
- Trial name
- EBOSURV (NCT05313139)
- Where
- 2 sites in Democratic Republic of the Congo
- Volunteers
- 133 people, healthy volunteers welcome
- Sponsor
- Institute of Tropical Medicine, Belgium
Influenza, SARS-CoV-2 (COVID-19) Infection
Dissecting Human Immune Responses to Infection With Influenza or SARS-CoV-2
The purpose of this study is to evaluate the virus-specific immune response in people who are symptomatic with confirmed influenza or COVID-19.
- Conditions
- Influenza, SARS-CoV-2 (COVID-19) Infection, Immune Response of Host
- Trial name
- WU 437 (NCT06848309)
- Testing
- Bronchoscopy
- Where
- United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Immune Response, Inflammation
Effect of Blueberries on Immunity
This research study will test the effects of Blueberries on immune functions in overweight older men and postmenopausal women
- Trial name
- Blueberry (NCT05534893)
- Testing
- Blueberry powder group
- Where
- United States
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Loma Linda University
Meningococcal Meningitis, Serogroup B, Transgender Persons
Investigating Gender and Sex Differences in Immune Responses Through Vaccination of Transgender and Cisgender Persons
Sexual differences are a well-established source of biological variation in immune system functioning, with men often displaying lower adaptive immune responses (e.g.
- Conditions
- Meningococcal Meningitis, Serogroup B, Transgender Persons, Sex Differences in Immune Response, Vaccination
- Trial name
- Vaxxygender (NCT06832514)
- Testing
- Serogroup B meningococal vaccine
- Where
- Belgium
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- University Ghent
Mild Gastrointestinal Symptoms in Healthy Adults, Low-grade Chronic Inflammation
Fungal Fiber for Gut Health
This study compares effects of plant based fiber vs fungi based fiber on clinical outcomes related to gut function (immunity, emotions, stress) and explores the role of gut microbiome structure and function on individual…
- Conditions
- Mild Gastrointestinal Symptoms in Healthy Adults, Low-grade Chronic Inflammation, Stress, Gut Health
- Trial name
- FUN4GUT (NCT06404749)
- Testing
- fungal fiber, inulin
- Where
- Argentina
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Future Biome SA
Immune Responses, Antibiotic Treatment
The Effects of Antibiotic Exposure in Early Infancy on Vaccine Responses
This prospective cohort study will include 200 term children born in Landspitali University Hospital in Iceland. The cohort will be divided into four groups according to antibiotic exposure of which one is the control group.
- Trial name
- NCT06079606
- Testing
- Antibiotic treatment
- Where
- Iceland
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Landspitali University Hospital
Cognitive Change, Inflammation
Effect of a Fermented Soy Product on Cognition, Immune Status and Vaccine
The research study will test the effects of Q CAN PLUS powder on the immune, inflammatory and cognitive functions.
- Conditions
- Cognitive Change, Inflammation, Immune Response
- Trial name
- IS (NCT04866576)
- Testing
- Q CAN PLUS
- Where
- United States
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- Loma Linda University
Immune Response, Inflammation
Effect of Almonds on Immune Strength and Response to Flu Vaccination in Overweight Older Men and Postmenopausal Women: A Randomized Controlled Study
This research study will test the effects of almonds on immune functions and immune response to influenza vaccine in overweight middle-aged men and postmenopausal women
- Trial name
- Almond Immune (NCT05031663)
- Testing
- Almond group, Control Group
- Where
- United States
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- Loma Linda University
Healthy Volunteer, Immune Response
LC-Plasma on Immune Response and Reducing Symptoms of Upper Respiratory Infectious Diseases
The goal of this study is to evaluate the effects of LC-Plasma on the innate and acquired immune systems, including the activation of pDCs, which play a role in virus elimination, as well as to assess its efficacy in reducing…
- Trial name
- NCT06837961
- Testing
- LC-Plasma
- Where
- Australia
- Volunteers
- 241 people, healthy volunteers welcome
- Sponsor
- RDC Clinical Pty Ltd
Human Immune Response
Effects of Palmar Cooling on the Human Immune System
This is a research study on human exercise that will investigate the immune system response post-exercise and how it relates to Delayed Onset Muscle Soreness (DOMS), and possible causes for DOMS.
- Trial name
- NCT07215338
- Testing
- Muscle Temperature Control
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Stanford University