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Showing 1–24 of 72 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: ALT803 Clear all
Available No phase listed Expanded access

Expanded Access Use of Nogapendekin-alfa Inbakicept in the Reversal and Maintenance of Absolute Lymphocyte Count (ALC) for the Treatment of Lymphopenia Induced by Chemotherapy, Immunotherapy, and/or Radiation Therapy

NCT06956547
View directory record Official record
Conditions
Lymphopenia
Interventions
nogapendekin-alfa inbakicept
Drug
Lead sponsor
ImmunityBio, Inc.
Industry
Eligibility
18 Years and older
U.S. locations
1
States / cities
El Segundo, California
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Sep 10, 2026, 10:45 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 10, 2026, 10:45 AM EDT
Recruiting Phase 3 Interventional

Clinical Trial of N-803 Plus Tislelizumab or Prior Failed Immune Checkpoint Inhibitor and Docetaxel Versus Docetaxel Monotherapy in Participants With Advanced or Metastatic Non-Small Cell Lung Cancer Who Have Acquired Resistance to Immune Checkpoint In

NCT06745908
View directory record Official record
Conditions
NSCLC Stage IV
Interventions
N-803, Tislelizumab, Docetaxel, Prior failed checkpoint inhibitor
Drug
Lead sponsor
ImmunityBio, Inc.
Industry
Eligibility
18 Years to 90 Years
Enrollment
507 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
19
States / cities
Springdale, Arkansas • El Segundo, California • Fountain Valley, California + 14 more
Source: ClinicalTrials.gov public record
Updated Jul 26, 2026 · Synced Sep 10, 2026, 10:45 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 10, 2026, 10:45 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

QUILT-3.080: NANT Pancreatic Cancer Vaccine

NCT03586869
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
Aldoxorubicin HCl, ALT-803, ETBX-011, ETBX-021, ETBX-051, ETBX-061, GI-4000, GI-6207, GI-6301, haNK for infusion, bevacizumab, Capecitabine, Cyclophosphamide, Fluorouracil, Leucovorin, nab-Paclitaxel, Oxaliplatin, Avelumab, SBRT
Drug · Biological · Procedure
Lead sponsor
ImmunityBio, Inc.
Industry
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
El Segundo, California
Source: ClinicalTrials.gov public record
Updated Aug 26, 2024 · Synced Sep 10, 2026, 10:45 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 10, 2026, 10:45 AM EDT
Completed Phase 1 Interventional

Adoptive Transfer of Haploidentical NK Cells and N-803

NCT03899480
View directory record Official record
Conditions
Hiv, HIV Infections, Immune Deficiency
Interventions
Haploidentical Natural Killer (NK) Cells
Biological
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 22, 2021 · Synced Sep 10, 2026, 10:45 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 10, 2026, 10:45 AM EDT
Withdrawn Phase 2 Interventional

QUILT-3.057: NANT Neoadjuvant Triple- Negative Breast Cancer (TNBC) Vaccine

NCT03554109
View directory record Official record
Conditions
Triple Negative Breast Cancer (TNBC)
Interventions
Leucovorin, 5-Fluorouracil, Aldoxorubicin HCl, nab-Paclitaxel, ETBX-011, ETBX-051, ETBX-061, GI-4000, GI-6207, GI-6301, Avelumab, ALT-803, haNK, Cyclophosphamide, Doxorubicin HCL, paclitaxel
Drug · Biological
Lead sponsor
ImmunityBio, Inc.
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
El Segundo, California
Source: ClinicalTrials.gov public record
Updated Feb 20, 2025 · Synced Sep 10, 2026, 10:45 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 7, 2026 · Synced Sep 10, 2026, 10:45 AM EDT
Active, not recruiting No phase listed Observational

Follow up of Intravesical N-803 Plus BCG in BCG-Naive Non-Muscle Invasive Bladder Cancer (NMIBC)

NCT05981131
View directory record Official record
Conditions
Non Muscle Invasive Bladder Cancer
Interventions
N803 plus Bacillus Calmette-Guerin (BCG)
Drug
Lead sponsor
ImmunityBio, Inc.
Industry
Eligibility
Not listed
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2033
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 10, 2026, 10:45 AM EDT
Recruiting Phase 2 Interventional

A Study to Examine Anktiva for the Treatment of COVID-19.

NCT07123727
View directory record Official record
Conditions
Long COVID, Long COVID Syndrome, Long Covid 19
Interventions
Anktiva
Drug
Lead sponsor
ImmunityBio, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
El Segundo, California
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Sep 10, 2026, 10:45 AM EDT
Completed Phase 1 Interventional

Proof of Principle Study of Pulse Dosing of IL-15 to Deplete the Reservoir in HIV Infected People

NCT02191098
View directory record Official record
Conditions
HIV, Stable ART
Interventions
ALT-803
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 99 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 26, 2020 · Synced Sep 10, 2026, 10:45 AM EDT
Not yet recruiting Phase 2 Interventional

Multitargeted Recombinant Ad5 PSA/MUC-1/Brachyury-Based Immunotherapy (TriAdeno) Vaccine With IL-15 Superagonist N-803 in Participants With Clinically Localized Prostate Cancer Undergoing Active Surveillance

NCT07574541
View directory record Official record
Conditions
Adenocarcinoma, Prostate Cancer, Neoplasms, Carcinoma, Neoplasms, Glandular and Epithelial, Neoplasms by Histologic Type
Interventions
TriAdeno vaccine, N-803
Biological · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years · Male only
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Sep 10, 2026, 10:45 AM EDT
Recruiting Phase 1 Interventional

Study for Subjects With Relapsed/Refractory Non- Hodgkin Lymphoma

NCT05618925
View directory record Official record
Conditions
Non Hodgkin's Lymphoma Refractory/Relapsed
Interventions
N803, CD19t-haNK suspension, Cyclophosphamide, Fludarabine, Rituximab
Drug · Biological
Lead sponsor
ImmunityBio, Inc.
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Newport Beach, California • Tyler, Texas
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Sep 10, 2026, 10:45 AM EDT
Terminated Phase 2 Interventional Results available

QUILT-3.063: A Study of N-803, haNK and Avelumab in Patients With Merkel Cell Carcinoma That Has Progressed After Checkpoint Therapy

NCT03853317
View directory record Official record
Conditions
Merkel Cell Carcinoma
Interventions
Avelumab, N-803, haNK™
Biological
Lead sponsor
ImmunityBio, Inc.
Industry
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
5
States / cities
San Francisco, California • Miami, Florida • St Louis, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 8, 2024 · Synced Sep 10, 2026, 10:45 AM EDT
Completed Phase 1 Interventional

Phase I Trial of Universal Donor NK Cell Therapy in Combination With ALT803

NCT02890758
View directory record Official record
Conditions
Acute Myeloid Leukemia, Myelodysplastic Syndrome, Acute Lymphoblastic Leukemia, Chronic Myeloid Leukemia, Chronic Lymphocytic Leukemia, Non Hodgkin Lymphoma, Hodgkin Lymphoma, Myeloproliferative Syndromes, Plasma Cell Myeloma, Colon Carcinoma, Adenocarcinoma of Rectum, Soft Tissue Sarcoma, Ewing's Sarcoma, Rhabdomyosarcoma
Interventions
Natural Killer (NK) Cells, ALT803
Biological
Lead sponsor
Brenda Cooper, MD
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 20, 2023 · Synced Sep 10, 2026, 10:45 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 10, 2026, 10:45 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 10, 2026, 10:45 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 10, 2026, 10:45 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 10, 2026, 10:45 AM EDT
Recruiting Phase 2 Interventional

A Study to Assess Anktiva in Patients With Long Covid-19.

NCT07108036
View directory record Official record
Conditions
Long COVID
Interventions
N-803 (IL-15 Superagonist)
Drug
Lead sponsor
ImmunityBio, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 10, 2026 · Synced Sep 10, 2026, 10:45 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 10, 2026, 10:45 AM EDT
Completed Phase 2 Interventional Results available

Phase II Trial of Combination Immunotherapy in Subjects With Advanced Small Bowel and Colorectal Cancers

NCT04491955
View directory record Official record
Conditions
Small Bowel Cancers, Colorectal Cancers
Interventions
CV301, MSB0011359C, N-803, NHS-IL12
Biological · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 23, 2025 · Synced Sep 10, 2026, 10:45 AM EDT