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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Immunocompromised Clear all
Completed Phase 2 Interventional Results available

A Multiple-Dose Study To Evaluate The Pharmacokinetics And Safety Of Voriconazole In Immunocompromised Adolescents

NCT00556998
View directory record Official record
Conditions
Pharmacokinetics
Interventions
Voriconazole
Drug
Lead sponsor
Pfizer
Industry
Eligibility
12 Years to 17 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
9
States / cities
Chicago, Illinois • New Orleans, Louisiana • Durham, North Carolina + 5 more
Source: ClinicalTrials.gov public record
Updated May 4, 2016 · Synced Sep 16, 2026, 12:21 AM EDT
Completed Phase 2 Interventional Results available

RI-001 in Immunosuppressed Respiratory Syncytial Virus (RSV) Infected Patients at Risk of Lower Tract RSV Illness

NCT00632463
View directory record Official record
Conditions
Upper Respiratory Tract Infection, Lower Respiratory Tract Infection
Interventions
RI-001
Biological
Lead sponsor
ADMA Biologics, Inc.
Industry
Eligibility
2 Years to 65 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
15
States / cities
San Francisco, California • Aurora, Colorado • Washington D.C., District of Columbia + 11 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2013 · Synced Sep 16, 2026, 12:21 AM EDT
Completed No phase listed Observational

Early Molecular Detection for the Improved Diagnosis of Invasive Pulmonary Aspergillosis and Invasive Pulmonary Zygomycosis

NCT00923832
View directory record Official record
Conditions
Immunocompromised Host, Invasive Pulmonary Fungal Infection, Invasive Pulmonary Aspergillosis, Invasive Pulmonary Zygomycosis
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
1 Year to 99 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 16, 2026, 12:21 AM EDT
Completed Phase 2 Interventional Results available

Randomized, Open-label Phase II Trial to Assess the Safety and Immunogenicity of MVA-BN Smallpox Vaccine in Immunocompromised Subjects With HIV Infection

NCT02038881
View directory record Official record
Conditions
Smallpox
Interventions
IMVAMUNE®
Biological
Lead sponsor
Bavarian Nordic
Industry
Eligibility
18 Years to 45 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
10
States / cities
Birmingham, Alabama • Little Rock, Arkansas • San Francisco, California + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 1, 2020 · Synced Sep 16, 2026, 12:21 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Dynamics of Colonization and Infection by Multidrug-Resistant Pathogens in Immunocompromised and Critically Ill Patients

NCT06258551
View directory record Official record
Conditions
Antimicrobial Drug Resistance, Antibiotic Resistant Infection, Clostridium Difficile, Carbapenem-Resistant Enterobacteriaceae Infection, Extended Spectrum Beta-Lactamase Producing Bacteria Infection, Vancomycin Resistant Enterococci Infection, Carbapenem Resistant Bacterial Infection, Vancomycin-Resistant Enterococcal Infection
Interventions
Not listed
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 13, 2024 · Synced Sep 16, 2026, 12:21 AM EDT
Recruiting Early Phase 1 Interventional

Treatment of BK Virus Infection With CTL Cells in Immunocompromised Transplant Patients

NCT04293042
View directory record Official record
Conditions
BK Polyomavirus
Interventions
BK-virus specific CTLs
Biological
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
5 Weeks to 25 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2029
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Sep 16, 2026, 12:21 AM EDT
Terminated Phase 2 Interventional Results available

Improving the Immune System With Human IL-7 Vaccine in Older Subjects Who Have Had Chemotherapy

NCT01339000
View directory record Official record
Conditions
Breast Cancer, Colon Cancer, Bladder Cancer
Interventions
Glycosylated Recombinant Human Interleukin-7, Diphtheria/Tetanus Vaccine, Polio Vaccine, Pneumococcal Vaccine, Hepatitis A Vaccine, Hepatitis B Vaccine
Drug · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
60 Years to 100 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
2
States / cities
Bethesda, Maryland • New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 21, 2016 · Synced Sep 16, 2026, 12:21 AM EDT
Withdrawn Not applicable Interventional

Monitoring the Effects of Probiotic Supplementation in Immunocompromised Kidney Transplanted Subjects

NCT05102461
View directory record Official record
Conditions
Diarrhea Caused by Drug, Dysbiosis
Interventions
Florajen Digestion Supplementation, Placebo Supplementation
Dietary Supplement
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Oct 31, 2021 · Synced Sep 16, 2026, 12:21 AM EDT
Completed Not applicable Interventional

Open-Label "Compassionate" Use Study of Spiramycin for the Treatment of Diarrhea Due to Chronic Cryptosporidiosis in Immunocompromised Patients

NCT00002062
View directory record Official record
Conditions
Cryptosporidiosis, HIV Infections
Interventions
Spiramycin
Drug
Lead sponsor
Rhone-Poulenc Rorer
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Horsham, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 16, 2026, 12:21 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Influenza Vaccine in Lung Transplant Patients - Persistence of Antibodies Beyond the Season

NCT04530786
View directory record Official record
Conditions
Influenza
Interventions
Influenza vaccine
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 22, 2020 · Synced Sep 16, 2026, 12:21 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Viral Infections in Healthy and Immunocompromised Hosts

NCT01306084
View directory record Official record
Conditions
Anogenital Herpes, COVID-19, Herpes Labialis
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Months to 120 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 13, 2026 · Synced Sep 16, 2026, 12:21 AM EDT
Completed No phase listed Observational

Influenza in People With Normal and Weakened Immune Systems

NCT00533182
View directory record Official record
Conditions
Viral Infections, Respiratory Infections
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Years and older
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 9, 2022 · Synced Sep 16, 2026, 12:21 AM EDT
Withdrawn Phase 4 Interventional

Study of Response to Zoster Vaccine in Adults with Inflammatory Bowel Disease Treated with Medications

NCT06224270
View directory record Official record
Conditions
Inflammatory Bowel Diseases, IBD
Interventions
Adjuvanted Recombinant Zoster Vaccine (RZV)
Biological
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
19 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
6
States / cities
Jacksonville, Florida • Baltimore, Maryland • New York, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2024 · Synced Sep 16, 2026, 12:21 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Natural History, Epidemiology and Pathogenesis of Severe HPV-Related Diseases (Neptune)

NCT05026138
View directory record Official record
Conditions
Human Papillomavirus
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
3 Years to 100 Years
Enrollment
850 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2047
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Sep 16, 2026, 12:21 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Immunogenicity of RSVPreF3 Vaccine in Immunocompromised Persons

NCT07050732
View directory record Official record
Conditions
Respiratory Syncytial Virus (RSV)
Interventions
Arexvy (2 doses total), Arexvy (3 doses total), Arexvy (1 dose total), Placebo
Biological · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 11, 2025 · Synced Sep 16, 2026, 12:21 AM EDT
Completed Phase 1Phase 2 Interventional Results available

TCAD vs. Monotherapy for Influenza A in Immunocompromised Patients

NCT00867139
View directory record Official record
Conditions
Influenza
Interventions
TCAD, Zanamivir or Oseltamivir, Open label treatment with TCAD
Drug · Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
1 Year and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
2
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 14, 2013 · Synced Sep 16, 2026, 12:21 AM EDT
Completed Not applicable Interventional

Randomized Study of Two Doses of Oral Valacyclovir in Immunocompromised Patients With Uncomplicated Herpes Zoster

NCT00006131
View directory record Official record
Conditions
Herpes Zoster, Immunologic Deficiency Syndromes
Interventions
Valacyclovir
Drug
Lead sponsor
National Center for Research Resources (NCRR)
NIH
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1997
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 23, 2007 · Synced Sep 16, 2026, 12:21 AM EDT
Completed Phase 3 Interventional Results available

A Study to Assess the Safety, Tolerability, and Immunogenicity of RSVpreF in Adults at High Risk of Severe RSV Disease

NCT05842967
View directory record Official record
Conditions
RESPIRATORY SYNCYTIAL VIRUS (RSV)
Interventions
RSVpreF, Placebo
Biological · Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
885 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
36
States / cities
Athens, Alabama • Birmingham, Alabama • Huntsville, Alabama + 28 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2025 · Synced Sep 16, 2026, 12:21 AM EDT
Completed Phase 2 Interventional Results available

Study to Evaluate Safety, Tolerability & Immunogenicity of BNT162b2 in Immunocompromised Participants ≥2 Years

NCT04895982
View directory record Official record
Conditions
SARS-CoV-2 Infection, COVID19
Interventions
BNT162b2
Biological
Lead sponsor
BioNTech SE
Industry
Eligibility
2 Years and older
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
15
States / cities
Jefferson, Louisiana • Kenner, Louisiana • New Orleans, Louisiana + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2024 · Synced Sep 16, 2026, 12:21 AM EDT
Completed Phase 1Phase 2 Interventional

Anidulafungin in Treating Immunocompromised Children With Neutropenia

NCT00068471
View directory record Official record
Conditions
Infection, Neutropenia, Unspecified Childhood Solid Tumor, Protocol Specific
Interventions
anidulafungin
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
2 Years to 17 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
5
States / cities
Washington D.C., District of Columbia • Bethesda, Maryland • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 18, 2013 · Synced Sep 16, 2026, 12:21 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Protective Immunity Project 02

NCT00833651
View directory record Official record
Conditions
Kidney Transplant, Immunology, Immunosuppression
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
18 Years to 59 Years
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 24, 2013 · Synced Sep 16, 2026, 12:21 AM EDT
Completed Phase 4 Interventional Results available

A Study of Oseltamivir (Tamiflu) for the Seasonal Prophylaxis of Influenza in Immunocompromised Participants

NCT00412737
View directory record Official record
Conditions
Influenza
Interventions
Oseltamivir, Placebo
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
1 Year and older
Enrollment
477 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
34
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Stanford, California + 28 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2016 · Synced Sep 16, 2026, 12:21 AM EDT
Recruiting Not applicable Interventional

Alpha Radiation Emitters Device (DaRT) for the Treatment of Cutaneous SCC for Immunocompromised Patients

NCT06615635
View directory record Official record
Conditions
Squamous Cell Carcinoma, Alpha Radiation, Immunocompromised, Carcinoma, Squamous, Skin Cancer, Brachytherapy
Interventions
DaRT seeds
Device
Lead sponsor
Alpha Tau Medical LTD.
Industry
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
10
States / cities
Gilbert, Arizona • Phoenix, Arizona • Boca Raton, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Sep 16, 2026, 12:21 AM EDT
Completed No phase listed Observational

A Study to Compare mRNA-1273 Versus BNT162b2 COVID-19 Vaccines Among Immunocompromised Adults

NCT05366322
View directory record Official record
Conditions
SARS-CoV-2
Interventions
Not listed
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years and older
Enrollment
124,879 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 8, 2022 · Synced Sep 16, 2026, 12:21 AM EDT