Master Protocol to Assess the Safety and Antitumor Activity of Genetically Engineered T Cells in NY-ESO-1 and/or LAGE-1a Positive Solid TumorsIGNYTE-ESO
Trial overview
Substudy 1: Overall response rate (ORR)
Timeframe: Until disease progression (up to 5 years)
Substudy 2: Overall response rate (ORR) as assessed by central independent review
Timeframe: Up to 5 years
Substudy 1 and 2: Time to response (TTR)
Timeframe: Until disease progression (up to 5 years)
Substudy 1 and 2: Duration of response (DOR)
Timeframe: Until disease progression (up to 5 years)
Substudy 1 and 2: Disease control rate (DCR)
Timeframe: Until disease progression (up to 5 years)
Substudy 1 and 2: Progression free survival (PFS)
Timeframe: Until disease progression (up to 5 years)
Substudy 1 and 2: Frequency of adverse events (AEs), serious adverse events (SAEs) and AEs of special interest (AESI) according to severity
Timeframe: Until disease progression (up to 5 years)
Substudy 1 and 2: Number of participants with replication competent lentivirus (RCL)
Timeframe: Until disease progression (up to 5 years)
Substudy 1 and 2: Number of participants with insertional oncogenesis (IO)
Timeframe: Until disease progression (up to 5 years)
Substudy 2: Number of participants with clinically significant changes in hematology, clinical chemistry and urinalysis parameters
Timeframe: Until disease progression (up to 5 years)
Substudy 1 and 2: Maximum transgene expansion (Cmax) of letetresgene autoleucel
Timeframe: Until disease progression (up to 5 years)
Substudy 1 and 2: Time to Cmax (Tmax) of letetresgene autoleucel
Timeframe: Until disease progression (up to 5 years)
Substudy 1 and 2: Area under the concentration/persistence time curve from zero to time t (AUC[0-t]) of letetresgene autoleucel
Timeframe: Until disease progression (up to 5 years)
Substudy 2: Overall response rate (ORR) as determined by the local investigators
Timeframe: Up to 5 years
Substudy 2: Overall Survival (OS)
Timeframe: Up to 5 years
Substudy 2: Number of participants with positive anti-drug antibodies (ADA) and titers of ADA against letetresgene autoleucel
Timeframe: Up to 36 months
- Participant must be greater than or equal to 10 years of age on the day of signing informed consent.
- Participant must be positive for HLA-A*02:01, HLA-A*02:05, and/or HLA-A*02:06 alleles by a designated central laboratory
- Central nervous system metastases.
- Any other prior malignancy that is not in complete remission.
- Participant must be greater than or equal to 10 years of age on the day of signing informed consent.
- Participant must be positive for HLA-A*02:01, HLA-A*02:05, and/or HLA-A*02:06 alleles by a designated central laboratory
- Participant’s tumor is positive for NY-ESO-1 expression by a designated central laboratory.
- Participant has a diagnosis of synovial sarcoma (SS) or myxoid/round cell liposarcoma (MRCLS)
- Performance status: dependent on age
- Lansky > 60, Karnofsky > 60, Eastern Cooperative Oncology Group 0-1.
- Participant must have adequate organ function and blood cell counts, within 7 days prior to leukapheresis.
- At time of treatment, participant has measurable disease according to RECIST v1.1.
- Consultation for prior history per protocol specifications.
- Central nervous system metastases.
- Any other prior malignancy that is not in complete remission.
- Clinically significant systemic illness.
- Prior or active demyelinating disease.
- History of chronic or recurrent (within the last year prior to leukapheresis) severe autoimmune or immune mediated disease (e.g. Crohn’s disease, systemic lupus) requiring steroids or other immunosuppressive treatments.
- Previous treatment with genetically engineered NY-ESO-1-specific T cells.
- Previous NY-ESO-1 vaccine or NY-ESO-1 targeting antibody.
- Prior gene therapy using an integrating vector.
- Previous allogeneic hematopoietic stem cell transplant.
- Washout periods for prior radiotherapy and systemic chemotherapy must be followed.
- Participant had major surgery in less than or equal to 28 days of first dose of study intervention.
- Prior radiation exceeds protocol specified limits.
Trial location(s)
Study documents
No study documents available.
Results overview
Study Results yet to be posted
Plain language summaries
Plain language summaries of clinical trial results for Phase 2-4 clinical trials that were initiated on or after January 2022 will be posted by GSK within one year following study completion.