Clinical trials: Vaccine Response Impaired
COVID-19, Immunosuppression
Impact of Immunosuppression Adjustment on COVID-19 Vaccination Response in Kidney Transplant Recipients
Immunocompromised individuals, such as solid organ transplant (SOT) recipients are at high risk of COVID-19 associated complications and mortality.
- Conditions
- COVID-19, Immunosuppression, Vaccine Response Impaired
- Trial name
- ADIVKT (NCT05060991)
- Testing
- Reduction in antimetabolite immunosuppression
- Where
- United States
- Volunteers
- 14 people
- Sponsor
- University of California, Davis
Sarcoidosis, SARS-CoV2 Infection
Immune Response to SARS-CoV-2/COVID-19 Vaccination in Sarcoidosis
People with sarcoidosis, particularly those with significant lung and/or cardiac involvement, who become infected with severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2) are likely at increased risk of complications or…
- Conditions
- Sarcoidosis, SARS-CoV2 Infection, Vaccine Response Impaired
- Trial name
- NCT05089565
- Testing
- Assay of (1) the level of anti-spike IgG antibody, and (2) interferon-gamma release in response to SARS-CoV-2 antigen stimulation
- Where
- United States
- Volunteers
- 101 people, healthy volunteers welcome
- Sponsor
- Northwestern University
COVID-19, SARS-CoV-2 Infection
Immune Response to Third Dose of COVID-19 Vaccine in Solid Organ Transplant
The Coronavirus Disease 2019 (COVID-19) pandemic has claimed over 5 million lives globally. Fortunately, a substantial and growing number of SARS-CoV-2 vaccines with very high efficacy have been developed, manufactured, and…
- Conditions
- COVID-19, SARS-CoV-2 Infection, Solid Organ Transplant, Vaccine Response Impaired
- Trial name
- NCT05124509
- Testing
- Three doses of SARS-CoV-2 BNT162b2 vaccine (observational), Two doses of CoronaVac and one dose of BNT162b2 SARS-CoV-2 vaccine (observational)
- Where
- Chile
- Volunteers
- 147 people
- Sponsor
- Pontificia Universidad Catolica de Chile
HIV, Pneumococcal Infections
Mechanisms of Impaired HIV-associated B Cell and Pneumococcal Vaccine Responses
Human Immunodeficiency Virus (HIV) infection is complicated by high rates of infections and cancers which are often the cause of death rather than the HIV/acquired immune deficiency syndrome (AIDS) virus itself.
- Conditions
- HIV, Pneumococcal Infections, Pneumococcal Vaccines
- Trial name
- NCT02012309
- Testing
- PCV-13, PPSV-23
- Where
- 3 sites in United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Iron Deficiency Anemia, Vaccine Response Impaired
Iron and COVID-19 Vaccine Response
Vaccines often underperform in Africa compared to high-income countries. Why vaccines do not work as well in Africa remains uncertain. Malnutrition likely plays a role.
- Conditions
- Iron Deficiency Anemia, Vaccine Response Impaired, COVID-19 Vaccine, Iron Deficiency Anemia Treatment
- Trial name
- NCT04915820
- Testing
- Ferinject
- Where
- Kenya
- Volunteers
- 121 people, healthy volunteers welcome
- Sponsor
- Jomo Kenyatta University of Agriculture and Technology
Hepatitis A, Human Immunodeficiency Virus
Effectiveness of Booster With 1 or 2 Doses of HAV Vaccine Among HIV-infected Patients
Though HAV is mainly transmitted through the fecal-oral route, infection by sexual intercourse and blood transfusion is also possible.
- Conditions
- Hepatitis A, Human Immunodeficiency Virus, Vaccine Response Impaired
- Trial name
- NCT03855176
- Testing
- Vaqta Injectable Product
- Where
- Taiwan
- Volunteers
- 153 people
- Sponsor
- National Taiwan University Hospital
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
Vaccine Response Impaired
Immune-Related Trafficking and Signaling in Human Skin Associated With Low-Power, Infrared Laser Treatment
The purpose of this is that the researcher can use low power Near Infrared laser treatment non-painful and non-damaging dose to changes the skin properties.The researcher can prove that signaling and a significant increase in the…
- Trial name
- NCT02453113
- Testing
- low power laser
- Where
- 2 sites in United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of California, Irvine
Immunogenicity, Hematological Malignancies
Immunogenicity of Covid-19 Vaccination for Patients With Hematological Malignancies
Covid-19 is associated with a mortality rate of 33-37% in patients with hematological malignancies. At present, the anti-SARS-CoV-2 vaccination represents the most effective strategy for the prevention of Covid-19.
- Conditions
- Immunogenicity, Hematological Malignancies, Covid-19, Vaccine Response Impaired
- Trial name
- NCT04878822
- Where
- Italy
- Volunteers
- 300 people
- Sponsor
- Ospedale di Circolo - Fondazione Macchi
Vaccination Failure, Vaccine Response Impaired
Is a Third Dose of MMRV Vaccine Beneficial for the Adult Population in Alberta?
The current recommendation for a full course of measles-mumps-rubella-(varicella) vaccine (MMR(V)) is two doses. The problem is, many individuals within the vaccinated cohort show antibody levels that are below the level…
- Trial name
- NCT05923970
- Testing
- Serology for antibody levels - Baseline, Serology to assess cell mediated immune (CMI) response - Baseline, Serology for antibody levels - Post third dose of MMR vaccine
- Where
- Canada
- Volunteers
- 200 people
- Sponsor
- University of Alberta
Vaccine Response Impaired
Antibodies in Repeated Influenza Vaccination (ARIVA) Study
Viruses with high mutation rates, such influenza or HIV, pose a major challenge for vaccine design. The current influenza vaccination strategy of yearly vaccination with adapted strains aims to maximally diversify the antibody…
- Trial name
- ARIVA (NCT04059991)
- Testing
- Influenza Vaccination
- Where
- Switzerland
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Vaccine Response Impaired, Respiratory Syncytial Virus Infections
RSV Vaccine in Transplant Recipients
Adjuvant, non-live RSV vaccine will be administered to adult lung and allogeneic hematopoietic stem cell transplant recipients. The safety and immunogenicity of this intervention will be studied.
- Conditions
- Vaccine Response Impaired, Respiratory Syncytial Virus Infections, Immune Suppression
- Trial name
- RSVax (NCT06593210)
- Testing
- Adjuvant, non-live RSV vaccine
- Where
- Canada
- Volunteers
- 100 people
- Sponsor
- University Health Network, Toronto
Vaccine Response Impaired
Antibiotics and Vaccine Immune Responses Study
The goal of this clinical trial is to examine immune responses to the BCG vaccine in healthy adults who have, or who have not, taken antibiotics to deplete their gut bacteria prior to vaccination.
- Trial name
- AVIRS (NCT06148025)
- Testing
- BCG vaccine, Yellow Fever vaccine, Vancomycin Oral Capsule
- Where
- Australia
- Volunteers
- 348 people, healthy volunteers welcome
- Sponsor
- South Australian Health and Medical Research Institute
Chronic Kidney Disease Stage 5 on Dialysis, Chronic Kidney Disease Stage 5 With Transplant
Vaccination Against COVID-19 in Chronic Kidney Disease
This is a prospective, multi-center, observational study that will enroll patients receiving dialysis (hemodialysis or peritoneal dialysis) or patients with kidney transplantation who will be vaccinated against COVID-19.
- Conditions
- Chronic Kidney Disease Stage 5 on Dialysis, Chronic Kidney Disease Stage 5 With Transplant, Vaccine Response Impaired
- Trial name
- NCT04743947
- Testing
- No intervention; observational study
- Where
- 5 sites in Germany
- Volunteers
- 400 people
- Sponsor
- Heinrich-Heine University, Duesseldorf
Vaccine Response Impaired
Three Doses of Hepatitis A Vaccine in Patients With Immunomodulating Drugs
Hepatitis A vaccine is the most frequently used traveler's vaccine, yet data on its ability to induce protective immunity in immunosuppressed travelers are scarce.
- Trial name
- NCT01446978
- Testing
- hepatitis A vaccine
- Where
- 4 sites in Sweden
- Volunteers
- 150 people
- Sponsor
- Sormland County Council, Sweden
Vaccine Response Impaired, Vaccine Adverse Reaction
Vaccine Observation to Include All Communities for Equitable Science
VOICES is a longitudinal, prospective, observational study that will enroll up to 10,000 subjects of diverse racial backgrounds being administered an emergency use authorized COVID-19 vaccine, for collection and analysis of stool…
- Trial name
- VOICES (NCT04770649)
- Testing
- COVID-19 vaccine
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Persephone Biosciences