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LYL845

Cell therapy (Tumor-infiltrating lymphocytes) · Kills target cells, directed at tumor cells · developed by Lyell Immunopharma

Phase 1 Most advanced trial (none active)
LYEL Developer
1 Registered trials

What is LYL845?

LYL845 is an autologous tumor infiltrating lymphocyte (TIL) therapy enhanced through epigenetic reprogramming. The expanded TILs are enriched for CD8-positive T-cells with diverse tumor-reactive clones and stem-like characteristics. It is being studied in melanoma, non-small cell lung cancer, and colorectal cancer.

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

At a glance

Drug type
Cell therapy (Tumor-infiltrating lymphocytes)
Targets
tumor cells (antigen)
Mechanism
Kills target cells, directed at tumor cells
Therapy area
Oncology
Developer
Lyell Immunopharma, Inc. (LYEL)
FDA status
Investigational, not approved in the US. Most advanced trial: Phase 1

🧪 Clinical trials

TrialPhaseConditionStatusSponsor
NCT05573035 Phase 1 Melanoma Terminated LYEL

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

Conditions studied

Colorectal CancerMelanomaNon-small Cell Lung Cancer

More from Lyell Immunopharma

Sources

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

Follow LYEL, the company behind LYL845

See LYEL'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

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