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Showing 1–24 of 29 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: ALT-803 Subcutaneous Clear all
Withdrawn Phase 2 Interventional

N-803 Alone or in Combination With BN-Brachyury Vaccine or Bintrafusp Alfa (M7824) for Participants With Castration Resistant Prostate Cancer

NCT05445882
View directory record Official record
Conditions
Castration Resistant Prostate Cancer
Interventions
Bintrafusp alfa, N-803, BN-Brachyury
Drug · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 1, 2024 · Synced Sep 15, 2026, 2:16 AM EDT
Not yet recruiting Phase 2 Interventional

IL-15 Superagonist With or Without Vaccine in Biochemically Recurrent Prostate Cancer After Previous Stereotactic Body Radiation Therapy

NCT07686380
View directory record Official record
Conditions
Recurrent Prostate Cancer, Prostate Cancer
Interventions
N-803, ETBX-71 Vaccine, 18F-DCFPyL
Drug · Radiation
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years · Male only
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 13, 2026 · Synced Sep 15, 2026, 2:16 AM EDT
Suspended Phase 1Phase 2 Interventional

Evaluation of a Cancer Lysate Vaccine and Montanide (Registered Trademark) ISA-51 VG With or Without the IL-15 Super-Agonist N-803 as Adjuvant Therapy for PD-L1 Negative Non-Small Cell Lung Cancer

NCT05642195
View directory record Official record
Conditions
Non-Small Cell Lung Cancer, Non-Small Cell Lung Carcinoma, Carcinoma, Non-Small-Cell Lung, Carcinomas
Interventions
Montanide (Registered Trademark) ISA-51 VG Adjuvant, H1299 Cell Lysates, N-803, Ventana PD-L1 (SP263 or SP142) assay
Biological · Drug · Device
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2035
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 13, 2026 · Synced Sep 15, 2026, 2:16 AM EDT
Recruiting Phase 2 Interventional

Pembrolizumab + N-803 Alone or in Combination With PD-L1 t-haNK Cells for Resectable Head and Neck Squamous Cell Carcinoma

NCT06161545
View directory record Official record
Conditions
Stage II Squamous Cell Carcinoma of the Head and Neck, Stage III Squamous Cell Carcinoma of the Head and Neck, Stage IV Squamous Cell Carcinoma of the Head and Neck
Interventions
PD-L1 t-haNK cells, pembrolizumab, N-803
Biological · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 23, 2026 · Synced Sep 15, 2026, 2:16 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Cytokine-induced Memory-like NK Cells in Patients With Acute Myeloid Leukemia (AML) or Myelodysplastic Syndrome (MDS)

NCT01898793
View directory record Official record
Conditions
Leukemia, Myeloid, Acute
Interventions
Fludarabine, Cyclophosphamide, Leukapheresis, Cytokine-induced killer cells, IL-2, ALT-803, Peripheral blood for correlative studies, Bone marrow for correlative studies
Drug · Procedure · Biological
Lead sponsor
Washington University School of Medicine
Other
Eligibility
2 Years and older
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 16, 2024 · Synced Sep 15, 2026, 2:16 AM EDT
Active, not recruiting Phase 1 Interventional

Safety, Tolerability, and Efficacy of IL-15 Superagonist (N-803) With and Without Combination Broadly Neutralizing Antibodies to Induce HIV-1 Control During Analytic Treatment Interruption

NCT04340596
View directory record Official record
Conditions
HIV Infection
Interventions
N-803 (IL-15 Superagonist), VRC07-523LS, 10-1074
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 65 Years
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
14
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 10 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Sep 15, 2026, 2:16 AM EDT
Recruiting Phase 1Phase 2 Interventional

Phase I/II Study of the Combination Immunotherapy Regimen: SX-682, TriAdeno Vaccine, Retifanlimab and IL-15 Agonist N-803 (STAR15) for Metastatic Colorectal Cancer (mCRC)

NCT06149481
View directory record Official record
Conditions
Metastatic Colorectal Cancer
Interventions
Retifanlimab, Therapeutic CEA, Brachyury and MUC1 TriAdeno Vaccine Platform, N-803, SX-682
Drug · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Sep 15, 2026, 2:16 AM EDT
Recruiting Phase 2 Interventional

A Phase II Study With a Safety Run-In of the Addition of N-803 to a Chemoimmunotherapy Backbone for the Treatment of Patients With Relapsed or Refractory Neuroblastoma

NCT07085338
View directory record Official record
Conditions
Neuroblastoma Recurrent
Interventions
Temozolomide, Irinotecan, hu14.18K322A, N803, Sargramostim
Drug
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Up to 30 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
5
States / cities
San Francisco, California • Aurora, Colorado • Ann Arbor, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Sep 15, 2026, 2:16 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Single Center Study Of N-803 Stimulation On Expansion, Enrichment, Proliferation Of Natural Killer Cells Collected By Apheresis

NCT06040918
View directory record Official record
Conditions
Healthy Subjects
Interventions
N-803
Drug
Lead sponsor
ImmunityBio, Inc.
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
El Segundo, California
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Sep 15, 2026, 2:16 AM EDT
Completed Phase 2 Interventional Results available

IP ALT-803 Followed by SQ ALT-803 for Ovarian Cancer

NCT03054909
View directory record Official record
Conditions
FIGO Stage III and IV Ovarian Cancer, FIGO Stage III and IV Fallopian Tube Cancer, FIGO Stage III Primary Peritoneal Cancer
Interventions
ALT-803 Subcutaneous, ALT-803 Intraperitoneal
Biological
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
18 Years and older · Female only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 12, 2023 · Synced Sep 15, 2026, 2:16 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

QUILT-3.002: N-803 in Patients With Relapse/Refractory iNHL in Conjunction With Rituximab

NCT02384954
View directory record Official record
Conditions
Relapsed/Refractory Indolent B Cell Non-Hodgkin Lymphoma
Interventions
Rituximab, N-803
Biological
Lead sponsor
Altor BioScience
Industry
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
4
States / cities
Minneapolis, Minnesota • St Louis, Missouri • Columbus, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2024 · Synced Sep 15, 2026, 2:16 AM EDT
Not yet recruiting Phase 1 Interventional

Sipuleucel-T (Sip-T) in Combination With N-803 in Metastatic Androgen Pathway Modulation Resistant (mAPMR) Prostate Cancer

NCT07756593
View directory record Official record
Conditions
Prostate Cancer, Metastatic Prostate Cancer
Interventions
Sipuleucel-T, N803
Biological
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 9, 2026 · Synced Sep 15, 2026, 2:16 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Anti-PD-L1/TGF-beta Trap (M7824) Alone and in Combination With TriAd Vaccine and N-803 for Resectable Head and Neck Squamous Cell Carcinoma Not Associated With Human Papillomavirus Infection

NCT04247282
View directory record Official record
Conditions
Head and Neck Cancer, Head and Neck Neoplasms
Interventions
M7824, N803, TriAd vaccine
Drug · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 15, 2025 · Synced Sep 15, 2026, 2:16 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

QUILT-3.033: Haplo NK With SQ ALT-803 for Adults With Relapsed or Refractory AML

NCT03050216
View directory record Official record
Conditions
Acute Myeloid Leukemia
Interventions
ALT-803
Biological
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
18 Years to 70 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 17, 2023 · Synced Sep 15, 2026, 2:16 AM EDT
Completed Phase 1 Interventional

CIML NK Cell in Head & Neck Cancer

NCT04290546
View directory record Official record
Conditions
Squamous Cell Carcinoma of the Head and Neck, Recurrent Head and Neck Squamous Cell Carcinoma
Interventions
Interleukin-15 Superagonist (N-803), CIML NK cell Infusion, Ipilimumab, Cetuximab
Drug · Biological
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Sep 15, 2026, 2:16 AM EDT
Terminated Phase 1 Interventional Results available

QUILT-3.005: A Study of N-803 in Patients With Relapsed or Refractory Multiple Myeloma

NCT02099539
View directory record Official record
Conditions
Relapsed or Refractory Multiple Myeloma
Interventions
N-803
Biological
Lead sponsor
Altor BioScience
Industry
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
4
States / cities
Minneapolis, Minnesota • St Louis, Missouri • Buffalo, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2024 · Synced Sep 15, 2026, 2:16 AM EDT
Active, not recruiting Phase 2 Interventional Results available

Cytokine Induced Memory-like NK Cell Adoptive Therapy After Haploidentical Donor Hematopoietic Cell Transplantation

NCT02782546
View directory record Official record
Conditions
Acute Myeloid Leukemia
Interventions
Graft cell infusion, Tacrolimus, Mycophenolate mofetil, G-CSF, CIML NK cell infusion, ALT-803, Leukapheresis
Procedure · Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 15, 2026, 2:16 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

QUILT-3.040: ETBX-011 (Ad5 [E1-, E2b-]-CEA(6D)) Vaccine in Combination With ALT-803 (Super-agonist IL-15) in Subjects Having CEA-Expressing Cancer

NCT03127098
View directory record Official record
Conditions
Thyroid Cancer, Colon Cancer, Ovarian Cancer, Breast Cancer, Lung Cancer, Pancreatic Cancer
Interventions
ETBX-011, ALT-803
Biological
Lead sponsor
NantCell, Inc.
Industry
Eligibility
21 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Aug 5, 2024 · Synced Sep 15, 2026, 2:16 AM EDT
Completed Phase 2 Interventional

Immunotherapy Combination: Irradiated PD-L1 CAR-NK Cells Plus Pembrolizumab Plus N-803 for Subjects With Recurrent/Metastatic Gastric or Head and Neck Cancer

NCT04847466
View directory record Official record
Conditions
Gastroesophageal Junction (GEJ) Cancers, Advanced HNSCC
Interventions
N-803, Pembrolizumab, PD-L1 t-haNK
Drug · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Sep 15, 2026, 2:16 AM EDT
Active, not recruiting Phase 2 Interventional

QUILT-3.055: A Study of Combination Immunotherapies in Patients Who Have Previously Received Treatment With Immune Checkpoint Inhibitors

NCT03228667
View directory record Official record
Conditions
Non-Small Cell Lung Cancer, Small Cell Lung Cancer, Urothelial Carcinoma, Head and Neck Squamous Cell Carcinoma, Merkel Cell Carcinoma, Melanoma, Renal Cell Carcinoma, Gastric Cancer, Cervical Cancer, Hepatocellular Carcinoma, Microsatellite Instability, Mismatch Repair Deficiency, Colorectal Cancer
Interventions
N-803 + Pembrolizumab, N-803 + Nivolumab, N-803 + Atezolizumab, N-803 + Avelumab, N-803 + Durvalumab, N-803 + Pembrolizumab + PD-L1 t-haNK, N-803 + Nivolumab + PD-L1 t-haNK, N-803 + Atezolizumab + PD-L1 t-haNK, N-803 + Avelumab + PD-L1 t-haNK, N-803 + Durvalumab + PD-L1 t-haNK, N-803 + Docetaxel + Pembrolizumab, N-803 + Docetaxel + Nivolumab
Drug
Lead sponsor
ImmunityBio, Inc.
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2030
U.S. locations
35
States / cities
Anchorage, Alaska • Hot Springs, Arkansas • El Segundo, California + 31 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Sep 15, 2026, 2:16 AM EDT
Recruiting Phase 1Phase 2 Interventional

Pembrolizumab, Lenvatinib and IL-15 Superagonist N-803 in Combination With HER2 Targeting Autologous Dendritic Cell (AdHER2DC) Vaccine in Participants With Advanced or Metastatic Endometrial Cancer

NCT06253494
View directory record Official record
Conditions
Endometrial Cancer, Cancer of Endometrium, Carcinoma of Endometrium, Endometrial Carcinoma
Interventions
AdHER2DC vaccine, Pembrolizumab, N-803, Lenvatinib, PATHWAY HER2 (4B5) assay
Biological · Drug · Device
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Sep 15, 2026, 2:16 AM EDT
Completed Phase 1 Interventional Results available

A Phase 1 Study of the Clinical and Immunologic Effects of ALT-803 in Patients With Advanced Solid Tumors

NCT01946789
View directory record Official record
Conditions
Advanced Solid Tumors
Interventions
ALT-803
Biological
Lead sponsor
Altor BioScience
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
5
States / cities
Minneapolis, Minnesota • Lebanon, New Hampshire • New Brunswick, New Jersey + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 21, 2025 · Synced Sep 15, 2026, 2:16 AM EDT
Withdrawn Phase 2 Interventional

2015-10: Expanded Natural Killer Cells and Elotuzumab for High-Risk Myeloma Post- Autologous Stem Cell Transplant (ASCT)

NCT03003728
View directory record Official record
Conditions
Multiple Myeloma
Interventions
Elotuzumab, Melphalan, Autologous Stem Cell Transplant (ASCT), Expanded Natural Killer (ENK) Cells, ALT-803
Drug · Procedure · Biological
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jul 9, 2020 · Synced Sep 15, 2026, 2:16 AM EDT
Completed Phase 1 Interventional

3BNC117-LS and 10-1074-LS Plus N-803 (bNAb+N-803)

NCT05245292
View directory record Official record
Conditions
Human Immunodeficiency Virus
Interventions
3BNC117-LS, 10-1074-LS, N803
Drug
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 70 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
3
States / cities
New York, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Sep 15, 2026, 2:16 AM EDT