Study of GSK3845097 in Previously Treated Participants With Advanced Synovial Sarcoma and Myxoid/Round Cell Liposarcoma

Stopped early · Phase 1

Conditions studied: Neoplasms

In brief

To assess the safety, tolerability and determine recommended phase 2 dose (RP2D) of GSK3845097 in HLA-A\*02:01, HLA-A\*02:05 and/or HLA-A\*02:06 positive participants with New York esophageal squamous cell carcinoma (NY-ESO)-1 and/or Cancer testis antigen 2 (LAGE-1a) positive, previously treated, advanced (metastatic or unresectable) Synovial Sarcoma (SS) and Myxoid/Round Cell Liposarcoma (MRCLS).

Key facts

Study ID

NCT05943990

Run by

Adaptimmune

People needed

5

Starts

2020-12-21

Expected to finish

2022-10-24

Last updated by the study team

2024-11-13

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Participant must be >=18 years of age and weighs ≥40 kg 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
• Participant's tumor must have tested positive for NY-ESO-1 and/or LAGE-1a expression by a GSK designated laboratory
• Performance status: Eastern Cooperative Oncology Group of 0-1
• Participant must have adequate organ function and blood cell counts 7 days prior to leukapheresis
• Participant must have measurable disease according to RECIST v1.1.
• Participant has advanced (metastatic or unresectable) SS or MRCLS confirmed by local histopathology with evidence of disease-specific translocation
• Participant has completed at least one standard of care (SOC) treatment including anthracycline containing regimen unless intolerant to or ineligible to receive the therapy.
• Participants who are not candidates to receive anthracycline should have received ifosfamide unless also intolerant to or ineligible to receive ifosfamide. Participants who received neoadjuvant/adjuvant anthracycline or ifosfamide based therapy and progressed will be eligible

You may not qualify if…

• Central nervous system (CNS) metastases, with certain exceptions for CNS metastases in NSCLC as specified in the protocol
• 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 requiring steroids or other immunosuppressive treatments
• Previous treatment with genetically engineered NY-ESO-1-specific T cells, NY-ESO-1 vaccine or NY-ESO-1 targeting antibody
• Prior gene therapy using an integrating vector
• Previous allogeneic hematopoietic stem cell transplant within the last 5 years or solid organ transplant
• Washout periods for prior radiotherapy and systemic chemotherapy must be followed
• Major surgery within 4 weeks prior to lymphodepletion
• Pregnant or breastfeeding females

Where it is running

• GSK Investigational Site — Stockholm, Sweden
• GSK Investigational Site — New Haven, Connecticut, United States
• GSK Investigational Site — Jacksonville, Florida, United States
• GSK Investigational Site — Tampa, Florida, United States
• GSK Investigational Site — Atlanta, Georgia, United States
• GSK Investigational Site — Westwood, Kansas, United States
• GSK Investigational Site — Lexington, Kentucky, United States
• GSK Investigational Site — Baltimore, Maryland, United States
• GSK Investigational Site — St Louis, Missouri, United States
• GSK Investigational Site — New York, New York, United States
• GSK Investigational Site — New York, New York, United States
• GSK Investigational Site — Philadelphia, Pennsylvania, United States
• GSK Investigational Site — Houston, Texas, United States
• GSK Investigational Site — Melbourne, Victoria, Australia
• GSK Investigational Site — Toronto, Ontario, Canada
• GSK Investigational Site — Montreal, Quebec, Canada
• GSK Investigational Site — Munich, Bavaria, Germany
• GSK Investigational Site — Hanover, Lower Saxony, Germany
• GSK Investigational Site — Cologne, North Rhine-Westphalia, Germany
• GSK Investigational Site — Dresden, Saxony, Germany
• GSK Investigational Site — Amsterdam, Netherlands

Full record on ClinicalTrials.gov

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