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FT825/ONO-8250, an Off-the-Shelf, HER2 CAR-T, With or Without Monoclonal Antibodies in Advanced Solid Tumors

A Phase 1 Study of FT825/ONO-8250, an Off-the-Shelf CAR T-Cell Therapy, With or Without Monoclonal Antibodies, in HER2-Positive or Other Advanced Solid Tumors

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06241456
Enrollment
351
Registered
2024-02-05
Start date
2024-01-05
Completion date
2044-05-01
Last updated
2025-12-09

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Advanced Solid Tumor

Brief summary

This is a phase 1 study designed to evaluate the safety, tolerability, and antitumor activity of FT825 (also known as ONO-8250) with or without monoclonal antibody therapy following chemotherapy in participants with advanced human epidermal growth factor receptor 2 (HER2)-positive or other advanced solid tumors. The study will consist of a dose-escalation stage, followed by an expansion stage to further evaluate the safety and activity of FT825 in indication-specific cohorts.

Interventions

DRUGFT825

FT825 will be administered as an intravenous (IV) infusion at planned dose levels.

DRUGFludarabine

Fludarabine will be administered as an IV infusion at planned dose levels.

DRUGCyclophosphamide

Cyclophosphamide will be administered as an IV infusion at planned dose levels.

DRUGBendamustine

Bendamustine will be administered as an IV infusion at planned dose levels.

DRUGDocetaxel

Docetaxel will be administered as an IV infusion at planned dose levels.

DRUGCisplatin

Cisplatin will be administered as an IV infusion at planned dose levels.

DRUGCetuximab

Cetuximab will be administered as an IV infusion at planned dose levels.

Sponsors

Fate Therapeutics
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Histopathological or cytologically confirmed locally advanced or metastatic cancer that meets protocol-defined criteria * Disease that is not amenable to curative therapy, with prior therapies defined by specific tumor types * Contraceptive use by women and men should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies * Eastern Cooperative Oncology Group (ECOG) Performance Status 0 or 1 * Presence of measurable disease by RECIST, v1.1 assessed within 28 days prior to start of first study intervention * Anticipated life expectancy of at least 3 months

Exclusion criteria

* Females who are pregnant or breastfeeding * Evidence of inadequate organ function * Clinically significant cardiovascular disease * Known active central nervous system (CNS) involvement by malignancy * Non-malignant CNS disease such as stroke, epilepsy, CNS vasculitis, or neurodegenerative disease or receipt of medications for these conditions within 2 years prior to study enrollment * Active bacterial, fungal, or viral infections * Prior receipt of chimeric antigen receptor (CAR) T-cell therapy, other cellular therapy, or a FATE investigational human induced pluripotent stem cell (iPSC) product * History of (non-infectious) interstitial lung disease (ILD)/pneumonitis that required steroids, current ILD/pneumonitis, or suspected ILD/pneumonitis that cannot be ruled out based on imaging at screening * Any history of Grade ≥3 immune-related AE or Grade ≥2 eye toxicity attributed to prior cancer immunotherapy, other than endocrinopathy managed with replacement therapy or asymptomatic elevation of serum amylase or lipase * Active or history of autoimmune disease or immune deficiency * Receipt of an allograft organ transplant

Design outcomes

Primary

MeasureTime frameDescription
Number of participants with dose limiting toxicities (DLTs)Up to approximately 29 daysThe number of participants with DLTs will be reported.
Number of participants with treatment-emergent adverse events (TEAEs)Up to approximately 2 yearsThe number of participants with TEAEs will be reported.
Severity of AEsUp to approximately 2 yearsSeverity of AEs will be determined according to appropriate rating scales for the type of event reported.

Secondary

MeasureTime frameDescription
Overall Survival (OS)Up to approximately 2 yearsOS defined as the time from first dose of study intervention to death from any cause.
Investigator-Assessed Overall Response Rate (ORR)Up to approximately 2 yearsORR is the proportion of participants who achieve partial response (PR) or complete response (CR) per Response Evaluation Criteria in Solid Tumors, Version 1.1 (RECIST, v.1.1).
Plasma Concentration of FT825At designated time points up to approximately 56 daysThe plasma concentration of FT825 will be determined.
Investigator-Assessed Duration of Response (DOR)Up to approximately 2 yearsDOR is the duration from the first occurrence of a documented objective response of either PR or CR until the time of disease progression, or death from any cause, whichever occurs first, per RECIST, v.1.1.
Progression-Free Survival (PFS)Up to approximately 2 yearsPFS is the time from first dose of study intervention to disease progression, or to the day of death for any reason, whichever occurs first, per RECIST, v.1.1.

Countries

United States

Contacts

Primary ContactFate Trial Disclosure
FateTrialDisclosure@fatetherapeutics.com858-875-1800

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026