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Showing 1–24 of 113 matching trials from the live ClinicalTrials.gov search.
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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 Jul 22, 2026, 9:57 AM EDT
Recruiting Phase 3 Interventional

A Study to Learn About the Study Medicine Ibuzatrelvir in Adults With COVID-19 Who Are Severely Immunocompromised

NCT07013474
View directory record Official record
Conditions
COVID-19 Infection
Interventions
ibuzatrelvir, remdesivir, placebo for ibuzatrelvir, placebo for remdesivir
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
65
States / cities
Canoga Park, California • Granada Hills, California • La Jolla, California + 27 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Jul 22, 2026, 9:57 AM EDT
Completed Phase 1 Interventional

Valacyclovir in Immunocompromised Children

NCT00059592
View directory record Official record
Conditions
Shingles, Bone Marrow Transplantation
Interventions
Valacyclovir
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
2 Years to 18 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2005
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 3, 2020 · Synced Jul 22, 2026, 9:57 AM EDT
Terminated Phase 2 Interventional Results available

Cemiplimab-rwlc for Unresectable Locally Recurrent and/or Metastatic CSCC

NCT04242173
View directory record Official record
Conditions
Cutaneous Squamous Cell Carcinoma, Cutaneous Squamous Cell Carcinoma of the Head and Neck
Interventions
Cemiplimab-Rwlc
Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
Tucson, Arizona • Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Nov 3, 2022 · Synced Jul 22, 2026, 9:57 AM EDT
Completed Phase 1 Interventional

Phase I Study of the Safety, Tolerance, and Pharmacokinetics of FK463 in Immunocompromised Children With Fever and Neutropenia

NCT00001790
View directory record Official record
Conditions
Fever, Mycoses, Neutropenia
Interventions
FK463
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 22, 2026, 9:57 AM EDT
Withdrawn Phase 2 Interventional

High Dose Influenza in Immunosuppressed Subjects

NCT00766285
View directory record Official record
Conditions
Influenza
Interventions
Trivalent inactivated influenza vaccine, Trivalent Baculovirus-expressed Influenza HA vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 2, 2015 · Synced Jul 22, 2026, 9:57 AM EDT
Terminated Phase 1 Interventional

A Pharmacokinetic Study of Pediatric Micafungin Prophylaxis

NCT02057289
View directory record Official record
Conditions
Immunocompromised, Bone Marrow Transplant, Cancer
Interventions
Micafungin
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
6 Months to 10 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated May 22, 2018 · Synced Jul 22, 2026, 9:57 AM EDT
Completed Phase 2 Interventional Results available

Evaluate the Safety and Tolerability, for Nirsevimab in Immunocompromised Children

NCT04484935
View directory record Official record
Conditions
RSV Infection
Interventions
Nirsevimab
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
0 Years to 2 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
7
States / cities
Los Angeles, California • Tampa, Florida • Syracuse, New York + 4 more
Source: ClinicalTrials.gov public record
Updated Nov 14, 2023 · Synced Jul 22, 2026, 9:57 AM EDT
Completed Phase 1 Interventional

Interleukin-2 Plus Anti-HIV Therapy in HIV-Infected Children With Weakened Immune Systems

NCT00006066
View directory record Official record
Conditions
HIV Infections
Interventions
Diphtheria & Tetanus Toxoids & Acellular Pertussis Vaccine Adsorbed, Diphtheria and Tetanus Toxoids Adsorbed, Tetanus and Diphtheria Toxoids Adsorbed, Bacteriophage phi X 174, Aldesleukin
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Years to 18 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2006
U.S. locations
13
States / cities
Long Beach, California • Los Angeles, California • San Diego, California + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 31, 2021 · Synced Jul 22, 2026, 9:57 AM EDT
Completed Phase 2 Interventional Results available

Study Of The Pharmacokinetics And Safety Of Voriconazole In Children 2 To 11 Years Old Who Are At High Risk For Systemic Fungal Infection

NCT00739934
View directory record Official record
Conditions
Candidiasis, Candidemia
Interventions
voriconazole (Vfend)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
2 Years to 11 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
14
States / cities
Tucson, Arizona • Orange, California • Jacksonville, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2011 · Synced Jul 22, 2026, 9:57 AM EDT
Completed No phase listed Observational

Evaluation of NGS for Detection and Follow-up of Fungal Pathogens in Immunocompromised Pediatric Patients

NCT03262584
View directory record Official record
Conditions
Invasive Fungal Disease, Fever and Neutropenia, Invasive Fungal Infections, Immunocompromised
Interventions
Not listed
Lead sponsor
Karius, Inc.
Industry
Eligibility
Not listed
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 16, 2019 · Synced Jul 22, 2026, 9:57 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 Jul 22, 2026, 9:57 AM EDT
Completed Phase 3 Interventional

Trial on Efficacy and Safety of Pritelivir Tablets for Treatment of Acyclovir-resistant Mucocutaneous HSV (Herpes Simplex Virus) Infections in Immunocompromised Subjects

NCT03073967
View directory record Official record
Conditions
HSV Infection
Interventions
Pritelivir, Investigator's choice
Drug
Lead sponsor
AiCuris Anti-infective Cures AG
Industry
Eligibility
16 Years and older
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
33
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 30 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Jul 22, 2026, 9:57 AM EDT
Recruiting Phase 2 Interventional

Treatment With Amivantamab and Hyaluronidase or Cetuximab for Advanced Skin Cancer in People With a Weakened Immune System

NCT07042295
View directory record Official record
Conditions
Locally Recurrent Skin Squamous Cell Carcinoma, Metastatic Skin Squamous Cell Carcinoma
Interventions
Amivantamab and Recombinant Human Hyaluronidase, Biospecimen Collection, Cetuximab, Computed Tomography, Magnetic Resonance Imaging
Drug · Procedure · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
38
States / cities
Birmingham, Alabama • Gilbert, Arizona • La Jolla, California + 34 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Jul 22, 2026, 9:57 AM EDT
Withdrawn Phase 1 Interventional

Vaccine Response With NT-I7

NCT04054752
View directory record Official record
Conditions
Breast Carcinoma, Colorectal Adenocarcinoma, Bladder Carcinoma
Interventions
Recombinant human IL-7-hyFc (NT-I7), Vaccine sequence 1, Vaccine sequence 2
Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
60 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 1, 2023 · Synced Jul 22, 2026, 9:57 AM EDT
Completed Phase 1Phase 2 Interventional

Safety, Tolerance and Pharmacokinetics of Anidulafungin in Immunocompromised Children Ages 2-17

NCT00056381
View directory record Official record
Conditions
Neutropenia
Interventions
Anidulafungin
Drug
Lead sponsor
Pfizer
Industry
Eligibility
2 Years to 17 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
1
States / cities
King of Prussia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 20, 2008 · Synced Jul 22, 2026, 9:57 AM EDT
Recruiting Phase 3 Interventional

Phase III DAS181 Lower Tract PIV Infection in Immunocompromised Subjects (Substudy: DAS181 for COVID-19): RCT Study

NCT03808922
View directory record Official record
Conditions
Lower Respiratory Tract Infection, Parainfluenza, Immunocompromised, COVID-19
Interventions
DAS181, Placebo, DAS181 COVID-19, DAS181 OL
Drug
Lead sponsor
Ansun Biopharma, Inc.
Industry
Eligibility
Not listed
Enrollment
274 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2028
U.S. locations
23
States / cities
Duarte, California • Sacramento, California • Chicago, Illinois + 17 more
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Jul 22, 2026, 9:57 AM EDT
Recruiting Phase 1 Interventional

Adoptive T Lymphocyte Administration for Chronic Norovirus Treatment in Immunocompromised Hosts

NCT04691622
View directory record Official record
Conditions
Viral Infection, Hematopoietic Stem Cell Transplantation (HSCT), Primary Immunodeficiency Disorders (PID)
Interventions
Norovirus -specific T-cell (NST) therapy
Biological
Lead sponsor
Children's National Research Institute
Other
Eligibility
3 Months to 80 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 25, 2026 · Synced Jul 22, 2026, 9:57 AM EDT
Completed Phase 2 Interventional Results available

Immunogenicity of Fluzone High Dose in Immunocompromised Children and Young Adults

NCT01685372
View directory record Official record
Conditions
Solid Organ Transplant Recipient (Liver, Kidney, Heart), Rheumatologic Disorder, Human Immunodeficiency Virus (HIV), Bone Marrow Transplant (BMT), Dialysis
Interventions
Fluzone High Dose, Fluzone
Biological
Lead sponsor
University of Colorado, Denver
Other
Eligibility
5 Years to 35 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 22, 2018 · Synced Jul 22, 2026, 9:57 AM EDT
Completed No phase listed Observational

Immunogenicity and Safety of Inactivated H1N1 Swine-origin Influenza Monovalent Vaccine in Immunocompromised Children and Young Adults

NCT01000571
View directory record Official record
Conditions
H1N1 Pandemic Flu
Interventions
Not listed
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
6 Months to 21 Years
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 6, 2011 · Synced Jul 22, 2026, 9:57 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 Jul 22, 2026, 9:57 AM EDT
Withdrawn Early Phase 1 Interventional

Picato for the Treatment of Molluscum Contagiosum in Immunocompromised Patients

NCT03336372
View directory record Official record
Conditions
Molluscum Contagiosum
Interventions
Picato
Drug
Lead sponsor
Center for Clinical Studies, Texas
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 31, 2022 · Synced Jul 22, 2026, 9:57 AM EDT
Completed Early Phase 1 Interventional

Safety and Efficacy of ProQuad® in Children 6-24 Month Being Evaluated for Solid Organ Transplant

NCT02687763
View directory record Official record
Conditions
RENAL INSUFFICIENCY, CHRONIC, LIVER FAILURE, ACUTE, HEART DISEASE
Interventions
ProQuad
Biological
Lead sponsor
Medical University of South Carolina
Other
Eligibility
6 Months to 24 Months
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 11, 2019 · Synced Jul 22, 2026, 9:57 AM EDT
Terminated Not applicable Interventional Results available

ImmunoCARE: Rapid, Accurate COVID Testing to Reduce Hospitalization of Immunocompromised Individuals

NCT05655546
View directory record Official record
Conditions
Immunodeficiency, Immunosuppression, HIV Infections, Graft Versus Host Disease, Leukemia, Lymphoma, Cancer, Multiple Myeloma, Transplant, Age-Related Immunodeficiency
Interventions
Access to Cue Health COVID-19 Remote testing and treatment for COVID-19
Other
Lead sponsor
Scripps Translational Science Institute
Other
Eligibility
18 Years to 120 Years
Enrollment
2,117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Aug 7, 2025 · Synced Jul 22, 2026, 9:57 AM EDT