Organization |
3 Months Ended |
|---|---|
Mar. 31, 2025 | |
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | |
| Organization | OrganizationLyell Immunopharma, Inc. (the “Company”) was incorporated in Delaware in June 2018. The Company is a clinical-stage cell therapy company advancing a pipeline of proprietary next-generation chimeric antigen receptor (“CAR”) T-cell product candidates for patients with hematologic malignancies and solid tumors. The Company’s primary activities since incorporation have been to develop T‑cell therapies, conduct research and development, execute clinical trials, enable and execute manufacturing activities in support of its product candidate development efforts, submit regulatory submissions, acquire technology and product candidates, enter into strategic license and collaboration arrangements, organize and staff the Company, conduct business planning, establish its intellectual property portfolio, raise capital and provide general and administrative support for these activities. |