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Investigator-initiated multi-institutional clinical trial of combination therapy of vaccination and gene-modified T cell targeting NY-ESO-1-antigen for refractory soft tissue sarcoma

Investigator-initiated multi-institutional clinical trial of combination therapy of vaccination and gene-modified T cell targeting NY-ESO-1-antigen for refractory soft tissue sarcoma - TriCombo study

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2090220346
Enrollment
12
Registered
2018-05-02
Start date
2018-05-21
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Progressive or metastatic soft tissue sarcoma

Interventions

Intervention type:GENE TRANSFER,VACCINE Name of intervention:TBI-1301 and CHP:NE1 Dose form / Japanese Medical Device Nomenclature:INJECTION Route of administration / Site of application:INTRAVENOUS D
CpG oligoDNA (K3)), 0.8 mg [Cohort option 1](ellipsis)[Cohort option 2](ellipsis) (P2 part) Recommended dose from P1 part Dosing frequency / Frequency of use:OTHER, SPECIFY TBI-1301, twice (Day 1, Day

Sponsors

Mikiya Ishihara
Lead Sponsor
Akihiko Matsumine, Yasuhiro Nagata
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Progressive or metastatic soft tissue sarcoma confirmed histologically or cytologically 2) Unresectable and refractory to standard therapy 3) HLA-A*02:01 positive or HLA-A*02:06 positive 4) Tumor tissue with NY-ESO-1 antigen by immunohistochemistry or RT-PCR 5) ECOG Performance Status is 0 or 1 6) Age >=20 years on informed consent. In phase 2 part, age >=12 years and weight >= 35 kg (if < 16 years) 7) Patients possible to discontinue or interrupt a treatment, such as chemotherapy, and expected sufficient recovery of the blood cell numbers at the time of T lymphocyte collection 8) No severe damage on major organs (bone marrow, heart, lung, liver, kidney, etc) and meet the prescribed lab value criteria 9) Ability to understand the study content and to give a written consent at free will. If the patient is < 20 years, a written consent by the legally acceptable representative is required 10) (Only phase 2 part) Patients who have one or more target lesions designated by RECIST Ver. 1.1

Exclusion criteria

Exclusion criteria: 1) The following serious complications 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) Serious hypersensitivity 3) Uncontrollable pleural effusion, ascites and cardiac effusion 4) Tumor cell invasion into CNS 5) Active multiple cancer 6) Positive for HBs antigen or HBV-DNA observed in serum, or positive for HCV antibody and HCV-RNA observed in serum 7) Positive for antibodies against HIV or HTLV-1 8) History of serious hypersensitivity reactions to bovine or murine derived substances 9) History of hypersensitivity reaction to drugs used in this study 10) Psycological disorder or drug dependency which may have impact on the consent 11) Pregnant females, lactating females (except when they cease and don't resume lactation) or female and male patients who cannot agree to practice the adequate birth control from the consent of the study to 6 months after last administration of TBI-1301

Design outcomes

Primary

MeasureTime frame
(P1 part) Safety (P2 part) Tumor response

Secondary

MeasureTime frame
(P1 part) 1) Tumor response 2) Progression free survival (PFS) 3) Overall survival (OS) 4) Immune response (P2 part) 1) Progression free survival (PFS) 2) Overall survival (OS) 3) Safety 4) Immune response

Countries

Japan

Contacts

Public ContactTatsushi Goto

Secretariat of clinical trial coordinating committee

gotou@fiverings.co.jp+81-6-6358-7110

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026