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Multi-center Study of NY-ESO-1 T Cell Receptor Gene Transferred T Lymphocytes in Patients With Synovial Sarcoma

Multi-center Study of TBI-1301 (generic name: mipetresgene autoleucel; Mip-cel) for NY-ESO-1 Antigen-positive Synovial Sarcoma - Multi-center Study of NY-ESO-1 T Cell Receptor Gene Transferred T Lymphocytes in Patients With Synovial Sarcoma

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2073250089
Enrollment
5
Registered
2025-10-22
Start date
2025-11-01
Completion date
Unknown
Last updated
2026-09-14

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

Conditions

Synovial sarcoma

Interventions

Sponsors

Clinical trial Contact
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. >= 18 years of age 2. Histologically confirmed synovial sarcoma 3. Surgically unresectable tumor 4. Progressing or recurrent synovial sarcoma which has been treated with 1-4 regimens of systemic chemotherapies including anthracycline 5. HLA-A*02:01 or HLA-A*02:06 positive 6. Tumor that express NY-ESO-1 by immunohistochemistry 7. Measurable lesions that are evaluable by the RECIST ver1.1 8. ECOG Performance Status of 0, 1 or 2 9. No treatment such as chemotherapy and be expected to recover fully from the previous treatment at the time of the lymphocytes collection for manufacturing 10. Life expectancy >= 16 weeks after consent 11. No severe damage on the major organs (bone marrow, heart, lung, liver, kidney, etc) and meet the following lab value criteria; Total bilirubin = 8.0g/dL; Platelets >= 75,000/uL 12. Patients must be able to understand the study contents and to give a written consent at his/her free will.

Exclusion criteria

Exclusion criteria: 1. Patients with the following conditions are excluded from the study; Unstable angina, cardiac infarction, or heart failure; Uncontrolled diabetes or hypertension; Active infection; Obvious interstitial pneumonia or lung fibrosis by chest X-ray; Active autoimmune disease requiring steroids or immunosuppressive therapy. 2. Active metastatic tumor cell invasion into CNS 3. Active multiple cancer 4. Positive for HBs antigen or HBV-DNA observed in serum 5. Positive for HCV antibody and HCV-RNA observed in serum 6. Positive for antibodies against HIV or HTLV-1 7. History of serious hypersensitivity reactions to bovine or murine derived substances. 8. History of hypersensitivity reaction to ingredients or excipients of investigational drugs used in this study 9. History of hypersensitivity reaction to antibiotics used in manufacturing for the investigational drug used in this study. 10. History of treatment with cell therapy or gene therapy 11. Alcohol or drug dependence that may interfere with study participation 12. Pregnant females, lactating females (except when they cease and do not resume lactation) or female and male patients who cannot agree to practice the adequate birth control from the consent to 6 months after infusion of the investigational drug. 13. Clinically significant systemic illness that in the judgment of the PI or sub-investigator would compromise the patient's ability to tolerate protocol therapy or significantly increase the risk of complications.

Design outcomes

Primary

MeasureTime frame
Overall response rate

Secondary

MeasureTime frame
Efficacy - Progression free survival : PFS - Overall survival : OS Safety - Adverse event - Appearance of replication competent retrovirus - Appearance of clonality Blood kinetics of TBI-1301

Contacts

Public ContactContact Clinical trial

Takara Bio Inc. Project Management

takara-clinical@takara-bio.co.jp+81-77-565-6976

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Sep 19, 2026