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Showing 1–24 of 68 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: CD4 Antigens Clear all
Completed Phase 1 Interventional

A Phase I, Dose-Escalating Safety and Tolerance Study of sCD4-PE40 in HIV-Infected Persons

NCT00000743
View directory record Official record
Conditions
HIV Infections
Interventions
Alvircept sudotox, Zidovudine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1995
U.S. locations
4
States / cities
Los Angeles, California • New Orleans, Louisiana • Baltimore, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2021 · Synced Sep 5, 2026, 10:24 PM EDT
Recruiting Phase 1 Interventional

Chimeric Antigen Receptor T Cell Therapy Redirected to CD4 (CD4CAR)as a Second Line Treatment for Chronic Myelomonocytic Leukemia, CMML.

NCT06071624
View directory record Official record
Conditions
Chronic Myelomonocytic Leukemia
Interventions
CD4CAR
Biological
Lead sponsor
Huda Salman
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2043
U.S. locations
4
States / cities
Miami, Florida • Indianapolis, Indiana • The Bronx, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Sep 5, 2026, 10:24 PM EDT
Completed No phase listed Observational

Immune Response to Mycobacterium Tuberculosis Infection

NCT00257907
View directory record Official record
Conditions
Latent Tuberculosis
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 4, 2018 · Synced Sep 5, 2026, 10:24 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional Results available

A Pediatric and Young Adult Trial of Genetically Modified T Cells Directed Against CD19 for Relapsed/Refractory CD19+ Leukemia

NCT02028455
View directory record Official record
Conditions
CD19+ Acute Leukemia
Interventions
Patient Derived CD19 specific CAR T cells also expressing an EGFRt
Biological
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
1 Year to 26 Years
Enrollment
167 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2036
U.S. locations
3
States / cities
Los Angeles, California • Oakland, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Sep 5, 2026, 10:24 PM EDT
Terminated Phase 2 Interventional Results available

EO2040 in Combination With Nivolumab, for Treatment of Patients With Minimal Residual Disease of Colorectal Cancer

NCT05350501
View directory record Official record
Conditions
Colorectal Cancer
Interventions
EO2040
Drug
Lead sponsor
Enterome
Industry
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 28, 2025 · Synced Sep 5, 2026, 10:24 PM EDT
Completed Phase 1Phase 2 Interventional

A Dose Response and Safety Study of Procaine HCl in HIV-Infected Patients

NCT00299338
View directory record Official record
Conditions
HIV Infections
Interventions
SP01A
Drug
Lead sponsor
Samaritan Pharmaceuticals, Inc
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2001
U.S. locations
1
States / cities
West Hollywood, California
Source: ClinicalTrials.gov public record
Updated Apr 2, 2006 · Synced Sep 5, 2026, 10:24 PM EDT
Recruiting Phase 2 Interventional

CMV Immunity Monitoring in Lung Transplant Recipients

NCT05708755
View directory record Official record
Conditions
Lung Transplant; Complications
Interventions
Cytomegalovirus T Cell Immunity Panel (CMV-TCIP), Donor-Derived Cell-Free DNA (dd-cfDNA) Assay, Valganciclovir
Device · Diagnostic Test · Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 99 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Sep 5, 2026, 10:24 PM EDT
Completed Phase 1 Interventional

A Phase I/II Dose Escalation Study of Intradermal gp160 to Evaluate Safety, Delayed Type Hypersensitivity (Skin Test) Responses and Immunogenicity in Asymptomatic HIV Seropositive Patients With More Than 400 CD4+ Cells

NCT00000667
View directory record Official record
Conditions
HIV Infections
Interventions
gp160 Vaccine (MicroGeneSys)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1993
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 2, 2021 · Synced Sep 5, 2026, 10:24 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase I Safety and Immunogenicity Trial of HIV-1 gp120 C4-V3 Hybrid Polyvalent Peptide Immunogen Mixed in Mineral Oil Containing Mannose Mono-Oleate (IFA)

NCT00000886
View directory record Official record
Conditions
HIV Infections
Interventions
HIV-1 C4-V3 Polyvalent Peptide Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 60 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 1999
U.S. locations
3
States / cities
Rochester, New York • Nashville, Tennessee • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 28, 2021 · Synced Sep 5, 2026, 10:24 PM EDT
Completed Phase 2 Interventional Results available

Vaccine Plus Booster Shots in Men With Prostate Cancer Undergoing Treatment With Radical Prostatectomy

NCT02153918
View directory record Official record
Conditions
Prostate Cancer, Prostatic Neoplasms, Neoplasms, Prostate
Interventions
PROSTVAC-V/TRICOM, PROSTVAC-F/TRICOM
Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 100 Years · Male only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 11, 2018 · Synced Sep 5, 2026, 10:24 PM EDT
Completed Phase 1 Interventional Results available

Immunotherapy With BCMA CAR-T Cells in Treating Patients With BCMA Positive Relapsed or Refractory Multiple Myeloma

NCT03338972
View directory record Official record
Conditions
Recurrent Plasma Cell Myeloma, Refractory Plasma Cell Myeloma
Interventions
Autologous Anti-BCMA-CAR-expressing CD4+/CD8+ T-lymphocytes FCARH143, Cyclophosphamide, Fludarabine, Leukapheresis
Biological · Drug · Procedure
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
21 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 7, 2023 · Synced Sep 5, 2026, 10:24 PM EDT
Completed Phase 1 Interventional

A Phase I Comparative Blinded Trial of Several HIV-1 Derived Immunogens in Infected Individuals With >= 500 CD4 Cells/mm3

NCT00000779
View directory record Official record
Conditions
HIV Infections
Interventions
Aluminum hydroxide, MF59, rgp120/HIV-1IIIB, rgp120/HIV-1MN, rgp120/HIV-1 SF-2, Env 2-3
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1996
U.S. locations
10
States / cities
Los Angeles, California • Palo Alto, California • San Jose, California + 5 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Sep 5, 2026, 10:24 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Studies of HIV-1 Infection in Newly Infected Individuals in Southern Africa

NCT00006298
View directory record Official record
Conditions
HIV Infections, HIV Seronegativity
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 24, 2008 · Synced Sep 5, 2026, 10:24 PM EDT
Completed Phase 1 Interventional

EGFR806-specific CAR T Cell Locoregional Immunotherapy for EGFR-positive Recurrent or Refractory Pediatric CNS Tumors

NCT03638167
View directory record Official record
Conditions
Central Nervous System Tumor, Pediatric, Glioma, Ependymoma, Medulloblastoma, Germ Cell Tumor, Atypical Teratoid/Rhabdoid Tumor, Primitive Neuroectodermal Tumor, Choroid Plexus Carcinoma, Pineoblastoma
Interventions
EGFR806-specific chimeric antigen receptor (CAR) T cell
Biological
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
1 Year to 26 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Sep 5, 2026, 10:24 PM EDT
Completed Phase 1 Interventional

A Phase I Study of the Safety and Pharmacokinetics of Recombinant Human CD4 Immunoglobulin (rCd4-IgG) Administered by Intravenous Bolus in Patients With AIDS and AIDS Related Complex

NCT00000675
View directory record Official record
Conditions
HIV Infections
Interventions
CD4-IgG
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
2
States / cities
Stanford, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 5, 2026, 10:24 PM EDT
Completed Phase 3 Interventional

A Multicenter, Double-Blind, Phase III, Adjuvant-Controlled Study of the Effect of 10 Units of HIV-1 Immunogen (Remune) Compared to Incomplete Freund's Adjuvant (IFA) Alone Every 12 Weeks on AIDS-Free Survival in Subjects With HIV Infection and CD4 T-Lymphocytes Between 300 and 549 Cells/microL Rega

NCT00002359
View directory record Official record
Conditions
HIV Infections
Interventions
HIV-1 Immunogen
Biological
Lead sponsor
The Immune Response Corporation
Industry
Eligibility
18 Years and older
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
54
States / cities
Phoenix, Arizona • Irvine, California • Los Angeles, California + 40 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 5, 2026, 10:24 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Immune Tolerance and Alloreactivity in Liver Transplant Recipients on Different Monotherapy Immunosuppressive Agents

NCT01678937
View directory record Official record
Conditions
Liver Transplant Rejection, Immunosuppression
Interventions
Blood Draw - Rapamycin, Blood Draw from Control Subjects, Blood Draw - CyA, Blood Draw - Tacrolimus, Blood Draw - MMF
Procedure
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 14, 2015 · Synced Sep 5, 2026, 10:24 PM EDT
Terminated Phase 2 Interventional Results available

Flotetuzumab for Relapsed Acute Myeloid Leukemia (AML) and Myelodysplastic Syndrome (MDS) Following Allogeneic Hematopoietic Cell Transplantation (Allo-HCT)

NCT04582864
View directory record Official record
Conditions
Relapsed Acute Myeloid Leukemia
Interventions
Flotetuzumab, Donor lymphocyte infusion
Drug · Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 5, 2024 · Synced Sep 5, 2026, 10:24 PM EDT
Not listed Phase 1 Interventional

A Study of Tucaresol in HIV-Infected Patients Who Are Taking Other Anti-HIV Drugs

NCT00006209
View directory record Official record
Conditions
HIV Infections
Interventions
Tucaresol
Drug
Lead sponsor
Aaron Diamond AIDS Research Center
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2000
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 5, 2026, 10:24 PM EDT
Completed Phase 1 Interventional

A Phase I Study of the Safety and Pharmacokinetics of Recombinant CD4 Immunoglobulin G (rCD4-IgG) in HIV-1 Seropositive Women During the Last Trimester of Pregnancy and Their Newborns

NCT00000642
View directory record Official record
Conditions
HIV Infections, Pregnancy
Interventions
CD4-IgG
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
1 Day to 60 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
2
States / cities
Brooklyn, New York • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 5, 2026, 10:24 PM EDT
Completed Not applicable Interventional

Effect of an Enfuvirtide-based Anti-HIV Drug Regimen on Latent HIV Reservoirs in Treatment Naive Adults

NCT00051831
View directory record Official record
Conditions
HIV Infections
Interventions
Emtricitabine, Enfuvirtide, Ritonavir, Saquinavir, Tenofovir disoproxil fumarate
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
6
States / cities
Aurora, Colorado • Boston, Massachusetts • St Louis, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 31, 2021 · Synced Sep 5, 2026, 10:24 PM EDT
Completed Phase 1 Interventional

An Escalating Dose Tolerance Trial of BG8962 (rCD4) in Patients Who Are HIV Antibody Positive

NCT00000721
View directory record Official record
Conditions
HIV Infections
Interventions
CD4 Antigens
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1991
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Oct 27, 2021 · Synced Sep 5, 2026, 10:24 PM EDT
Active, not recruiting Phase 1 Interventional

CD4 CAR+ ZFN-modified T Cells in HIV Therapy

NCT03617198
View directory record Official record
Conditions
Hiv
Interventions
CD4 CAR+CCR5 ZFN T-cells
Biological
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 5, 2026, 10:24 PM EDT
Recruiting Phase 1 Interventional

Safety and Preliminary Efficacy of MT-601 in Patients With Relapsed/Refractory Lymphoma

NCT05798897
View directory record Official record
Conditions
Non-Hodgkin Lymphoma, Adult, Non-Hodgkin Lymphoma, Refractory, Non-Hodgkin Lymphoma, Relapsed, Non Hodgkin Lymphoma, Hodgkin Lymphoma, Hodgkin Lymphoma, Adult, Hodgkin's Lymphoma, Relapsed, Adult
Interventions
MT-601
Drug
Lead sponsor
Marker Therapeutics, Inc.
Industry
Eligibility
18 Years to 100 Years
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
7
States / cities
Duarte, California • Aurora, Colorado • Denver, Colorado + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2025 · Synced Sep 5, 2026, 10:24 PM EDT