Clinical trials: Immunologic Memory
HIV Infections
The Effects of Anti-HIV Therapy on the Immune Systems of Children and Young Adults Infected With HIV
The purpose of this study is to determine the number of newly formed CD4 cells in children who have taken anti-HIV drugs. The study will also evaluate the effectiveness of the new CD4 cells in producing an immune response to…
- Trial name
- NCT00004735
- Testing
- Tetanus toxoid, Hepatitis A Vaccine (Inactivated)
- Where
- 27 sites in United States, Puerto Rico
- Volunteers
- 81 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Glomerulonephritis Acute
Urinary T Cell Biomarker for Prediction in ANCA Glomerulonephritis
Urinary T lymphocytes may be predictive for clinical outcome in patients with ANCA associated glomerulonephritis (ANCA GN). The investigators hypothesize that the amount of CD4+ effector/memory T cells in urine at time of…
- Trial name
- NCT04320667
- Testing
- Flow cytometry analysis of urine samples
- Where
- 2 sites in Germany, United Kingdom
- Volunteers
- 79 people
- Sponsor
- Charite University, Berlin, Germany
Ebola Virus Disease
REVIVE (Response to the Ebola Virus Vaccine)
This study is a vaccine-related clinical trial which will be conducted by our study team at Kenema Government Hospital (KGH)'s Viral Hemorrhagic Fever Program in collaboration with Tulane University School of Medicine.
- Trial name
- NCT05992480
- Testing
- rVSVDG-ZEBOV-GP Ebola Virus Vaccine (ERVEBO)
- Where
- Sierra Leone
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Tulane University
Leukemia, High Risk Acute Lymphoblastic Leukemia
Phase 1/2: CD45RA Depleted Stem Cell Addback to Prevent Viral or Fungal Infections Post TCRab/CD19 Depleted HSCT
The major morbidities of allogeneic hematopoietic stem cell transplant (HSCT) using donors that are not human leukocyte antigen (HLA) matched siblings are graft vs host disease (GVHD) and life- threatening infections.
- Conditions
- Leukemia, High Risk Acute Lymphoblastic Leukemia, High Risk Acute Myeloid Leukemia, Relapse Leukemia
- Trial name
- NCT06839456
- Testing
- Phase 1 Dose Level 1, Phase 1 Dose Level 2, Phase 1 Dose Level 3
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Children's Hospital of Philadelphia
HIV Infections
Effect of an Enfuvirtide-based Anti-HIV Drug Regimen on Latent HIV Reservoirs in Treatment Naive Adults
HIV replication in resting CD4 cells is so minimal that anti-HIV drugs often fail to destroy the virus in these cells. Enfuvirtide, also known as T-20, is a type of anti-HIV drug called a fusion inhibitor.
- Trial name
- NCT00051831
- Testing
- Emtricitabine, Enfuvirtide, Ritonavir
- Where
- 7 sites in United States, Puerto Rico
- Volunteers
- 19 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
HIV Positive
Thinking and Memory Problems in People With HIV
Background: People with human immunodeficiency virus (HIV) can sometimes develop thinking and memory problems. These problems can vary widely, from few symptoms to severe problems with memory and concentration.
- Trial name
- NCT01875588
- Where
- United States
- Volunteers
- 1,150 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
HIV Infections
Immune System Function Following Vaccination in HIV Infected Children Taking Anti-HIV Drugs
The purpose of this study is to determine immune system function following vaccination in HIV-infected children currently taking anti-HIV drugs.
- Trial name
- NCT00257127
- Testing
- Pneumococcal 7-valent conjugate vaccine, Pneumococcal polysaccharide vaccine, Hepatitis B vaccine
- Where
- 26 sites in United States, Puerto Rico
- Volunteers
- 101 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Precursor T-Cell Lymphoblastic Leukemia-Lymphoma, Leukemia, Myeloid, Acute
Memory T-cell Infusion to Improve Immunity After TCR-alpha/Beta Depleted Hematopoietic Stem Cell Transplantation
The stud will evaluate whether infusions of CD45RA-depleted lymphocytes from the donor early post-transplant is a safe way to improve immunity to common infections in recipients of TCR-alpha/beta depleted hematopoietic stem cell…
- Conditions
- Precursor T-Cell Lymphoblastic Leukemia-Lymphoma, Leukemia, Myeloid, Acute, Immune Deficiency Disease, Bone Marrow Failure Syndromes
- Trial name
- 45RA_NEG_DLI (NCT02337595)
- Testing
- CD45RA-depleted peripheral blood mononuclear cells
- Where
- Russia
- Volunteers
- 30 people
- Sponsor
- Federal Research Institute of Pediatric Hematology, Oncology and Immunology
HIV Infections, HIV Seronegativity
A Study of the Effectiveness of an HIV Vaccine (ALVAC vCP205) to Boost Immune Functions in HIV-Negative Volunteers Who Have Already Received an HIV Vaccine
The purpose of this study is to see if it is safe to give an HIV vaccine (vCP205) to volunteers who received an HIV vaccine at least 2 years ago, and to study how the immune system responds to this vaccine.
- Trial name
- NCT00001136
- Testing
- ALVAC-HIV MN120TMG (vCP205)
- Where
- 6 sites in United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Heart Transplantation
Multi-Drug Desensitization Protocol for Heart Transplant Candidates
Background: Patients may develop antibodies (human leukocyte antigen [HLA] alloantibodies) to other human tissues via pregnancy, transfusions or previous transplantation, which limits the ability to find an acceptable donor heart…
- Trial name
- NCT01556347
- Testing
- Bortezomib, Thymoglobulin, Rituximab, Gamimune N, (IVIG), Plasmapheresis
- Where
- United States
- Volunteers
- 2 people
- Sponsor
- Providence Health & Services
Hepatitis B
Adolescents' Response to Hepatitis B Vaccine Booster Dose
The aims of this study are to determine: 1. the degree of immunity against hepatitis B, 2. factors associated with immunity against hepatitis B, 3.
- Trial name
- REACH (NCT01341275)
- Testing
- hepatitis B vaccine
- Where
- 2 sites in United States
- Volunteers
- 400 people
- Sponsor
- Baylor College of Medicine
HIV
Exercise Training to Improve Brain Health in Older HIV+ Individuals
Management and treatment of older persons living with HIV (PLWH) (≥ 40 years old) is becoming increasingly more complex as a majority is greater than 40 years old.
- Trial name
- Ex/HIV (NCT02663934)
- Testing
- Exercise, Stretching and Social Interaction
- Where
- United States
- Volunteers
- 75 people
- Sponsor
- Washington University School of Medicine
Healthy Volunteers
Immune Memory After Papillomavirus Vaccination
Vaccines for human papillomavirus (HPV) have been available in the United States since 2006. Early studies have shown a high rate of effectiveness of these vaccines, however it is not known how long this protection will last.
- Trial name
- IMAP-1 (NCT01505049)
- Testing
- quadrivalent HPV vaccine
- Where
- United States
- Volunteers
- 203 people, healthy volunteers welcome
- Sponsor
- Emory University
Pneumococcal Infections
Sequential Versus Simultaneous Pneumococcal Vaccination in Elderly: Immunological Memory and Antibody Levels
The purpose of the present study is to compare the immunological response of pneumococcal serotype specific B-cells, the humoral immune response and safety after sequential vaccination versus simultaneous vaccination with…
- Trial name
- NCT02637583
- Testing
- PCV13, PPV23
- Where
- Germany
- Volunteers
- 123 people, healthy volunteers welcome
- Sponsor
- Jena University Hospital
HIV Infections
A Study of Thalidomide in HIV-Infected Patients Who Are Receiving HAART
To ascertain the effect of thalidomide on immune responses to vaccination with polyvalent pneumococcal polysaccharide vaccine and tetanus toxoid in HIV-infected patients; particularly, on markers of immune activation and…
- Trial name
- NCT00002392
- Testing
- Thalidomide
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- Rockefeller University
Dysentery, Bacillary
A Study to Evaluate Safety and Immunogenicity of 1 Booster Dose of 1790GAHB Vaccine in Healthy Adults Primed With 3 Doses of 1790GAHB Vaccine in Study H03_01TP Compared to 1 Vaccination of 1790GAHB in Either Subjects Who Received Placebo in the Same Study or naïve Subjects Not Part of H03_01TP Study
GVGH Shigella Sonnei 1970GAHB is a vaccine aimed at preventing the disease caused by Shigella sonnei. A post-hoc analysis of subjects who participated in the parent study showed significantly different responses in subjects with…
- Trial name
- NCT03089879
- Testing
- GVGH Shigella sonnei 1790GAHB vaccine
- Where
- France
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Invasive Meningococcal Disease
Can we Reduce the Number of Vaccine Injections for Children?
This open label randomised controlled study will evaluate the induction of immunity following varying schedules of vaccination with glyco-conjugate Neisseria meningitidis serogroup C (MenC) vaccines in infancy.
- Trial name
- MALTA (NCT01129518)
- Testing
- Glyco-conjugate Neisseria meningitidis serogroup C (MenC) vaccine, Routine schedule immunisations except monovalent MenC vaccine
- Where
- United Kingdom
- Volunteers
- 404 people, healthy volunteers welcome
- Sponsor
- University of Oxford
HIV Infections
Perspective Memory and Executive Functions in HIV+ Patients
The primary goal of this observational study is to evaluate prospective memory in HIV+ patients compared to healthy subjects. The secondary goal is to examine the relationship between prospective memory and Hot Cognition…
- Trial name
- (3514) (NCT05752578)
- Testing
- Neuropsychological testing
- Where
- Italy
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
HIV Dementia
A Study Comparing Long-acting Methylphenidate (ConcertaTM) vs. Placebo in the Treatment of Memory Loss Due to HIV
This study is being done to see if a drug called long acting methylphenidate (Concerta) is safe and effective as a treatment for problems with mental function in adults infected with HIV.
- Trial name
- NCT01599975
- Testing
- Long acting methylphenidate
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- University of California, Los Angeles
Emergency Medicine, Diagnostic Errors
Diagnostic Accuracy of Two Large Language Models in Turkish Emergency Department Anamnesis Notes
This retrospective diagnostic accuracy study evaluates two large language models - GPT-4.1 (gpt-4.1-2025-04-14; OpenAI) and Claude Sonnet 4.6 (claude-sonnet-4-6; Anthropic) - as retrospective coding-quality instruments applied to…
- Conditions
- Emergency Medicine, Diagnostic Errors, Artificial Intelligence (AI) in Diagnosis
- Trial name
- LLM-ED-DX-TR (NCT07632859)
- Where
- Turkey (Türkiye)
- Volunteers
- 600 people
- Sponsor
- Marmara University Pendik Training and Research Hospital