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Nogapendekin Alfa Inbakicept · Anktiva, N-803

Fusion protein · Agonist of IL-2/IL-15 receptor beta-gamma · developed by Altor Bioscience, Llc, An Indirect Wholly-Owned Su

Approved FDA, Apr 2024
IBRX Developer
18 Registered trials

What is Nogapendekin Alfa Inbakicept?

Nogapendekin alfa inbakicept is a fusion protein composed of a mutated IL-15 (IL-15N72D) fused to an IL-15 receptor alpha-Fc domain. It acts as an IL-15 receptor agonist, activating NK cells, CD8+ T cells, and memory T cells through the IL-2/IL-15 receptor.

Summary written with AI from the sources listed at the end of this page.

At a glance

Also known as
Anktiva, N-803, NAI, ALT-803, ANKTIVA, Nogapendekin Alfa-Inbakicept (NAI), Intravesical NAI (Cohorts 6-7), nogapendekin-alfa inbakicept
Drug type
Fusion protein
Targets
IL-2/IL-15 receptor beta-gamma
Mechanism
Agonist of IL-2/IL-15 receptor beta-gamma
Pathways
NK cell activation, CD8+ T cell activation, CD4+ T cell activation, interferon-gamma secretion
Therapy area
Immunology, Oncology
Developer
Altor Bioscience, Llc, An Indirect Wholly-Owned Su (IBRX)
FDA status
Approved as Anktiva (April 22, 2024), BLA761336 · FDA label
UNII
7TK323DLA0

✅ FDA-approved uses

From the indications section of the FDA label (version of Jun 24, 2025). Read the full label for the exact wording, limitations and safety information.

🧪 Clinical trials

TrialPhaseConditionStatusSponsor
NCT07524257 Phase 3 NSCLC (Advanced Non-small Cell Lung Cancer) Withdrawn IBRX
NCT07492875 Phase 3 Community-Acquired Pneumonia (CAP) Withdrawn IBRX
NCT03520686 Phase 3 Non Small Cell Lung Cancer Terminated IBRX
NCT03022825 Phase 2/3 Bladder Cancer Active not recruiting IBRX
NCT07355205 Phase 1/2 Non-small Cell Lung Cancer Stage IV Recruiting IBRX
NCT07492888 Phase 2 Acute Respiratory Distress Syndrome Withdrawn IBRX
NCT07108036 Phase 2 Long COVID Recruiting IBRX
NCT06829823 Phase 2 Non-muscle Invasive Bladder Cancer (NMIBC) Not yet recruiting IBRX
NCT07123727 Phase 2 Long COVID Recruiting IBRX
NCT06239220 Phase 2 Head and Neck Cancer Recruiting IBRX
NCT03228667 Phase 2 Non-Small Cell Lung Cancer Active not recruiting IBRX
NCT03317158 Phase 1/2 Urothelial Carcinoma Active not recruiting IBRX
NCT02782546 Phase 2 Acute Myeloid Leukemia Active not recruiting IBRX
NCT07488884 Phase 1 Pancreatic Cancer Resectable Withdrawn IBRX
NCT05618925 Phase 1 Non Hodgkin's Lymphoma Refractory/Relapsed Recruiting IBRX
NCT04898543 Phase 1 Metastatic Solid Tumor Active not recruiting IBRX
NCT05981131 N/A Non Muscle Invasive Bladder Cancer Active not recruiting IBRX
NCT06956547 N/A Lymphopenia Available IBRX

Trials of the companies BioRadar tracks, from ClinicalTrials.gov, most advanced phase first.

Conditions studied

Acute Myeloid LeukemiaBladder CancerCervical CancerColorectal CancerGastric CancerHead and Neck Squamous Cell CarcinomaHepatocellular CarcinomaMelanomaMerkel Cell CarcinomaMicrosatellite InstabilityMismatch Repair DeficiencyNon-Small Cell Lung CancerRenal Cell CarcinomaSmall Cell Lung Cancer

More from Altor Bioscience, Llc, An Indirect Wholly-Owned Su

Sources

Updated Oct 3, 2026. Something wrong or missing? Report it on the IBRX page.

Follow IBRX, the company behind Nogapendekin Alfa Inbakicept

See IBRX's upcoming FDA decisions, trial readouts, cash runway and dilution risk, updated every day from SEC, FDA and ClinicalTrials.gov filings.

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Data: FDA (Drugs@FDA, Purple Book, DailyMed), NIH (NCI Thesaurus, GSRS, RxNorm), ClinicalTrials.gov • Informational purposes only, not medical or investment advice. • All drugs A–Z

This data is for informational purposes only, not investment advice. BioRadar does not provide buy/sell recommendations. Past performance does not guarantee future results. Always do your own due diligence.