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Trial details imported from ClinicalTrials.gov

For full trial details, please see the original record at https://clinicaltrials.gov/study/NCT05943990




Registration number
NCT05943990
Ethics application status
Date submitted
5/07/2023
Date registered
13/07/2023

Titles & IDs
Public title
Study of GSK3845097 in Previously Treated Participants With Advanced Synovial Sarcoma and Myxoid/Round Cell Liposarcoma
Scientific title
Assessment of Safety and Recommended Phase 2 Dose of Autologous T Cells Engineered With an Affinity-enhanced TCR Targeting NY ESO 1 and LAGE 1a, and Co-expressing the dnTGF-ßRII (GSK3845097) in Participants With NY ESO 1 and/or LAGE 1a Positive Previously Treated Advanced (Metastatic or Unresectable) Synovial Sarcoma and Myxoid/Round Cell Liposarcoma
Secondary ID [1] 0 0
2019-004446-14
Secondary ID [2] 0 0
209012 Substudy 2
Universal Trial Number (UTN)
Trial acronym
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Neoplasms 0 0
Condition category
Condition code
Cancer 0 0 0 0
Sarcoma (also see 'Bone') - soft tissue
Cancer 0 0 0 0
Bone
Cancer 0 0 0 0
Other cancer types

Intervention/exposure
Study type
Interventional
Description of intervention(s) / exposure
Treatment: Drugs - GSK3845097
Treatment: Drugs - Cyclophosphamide
Treatment: Drugs - Fludarabine

Experimental: GSK3845097 - Eligible participants will be leukapheresed to manufacture engineered T-cells. Participants will then receive high dose of GSK3845097 after completing lymphodepleting chemotherapy. The first study participant receiving GSK3845097 will receive the total assigned dose as 2 separate infusions 7 days apart, in aliquots of 30% (first infusion) and 70% (second infusion) of the total target dose , respectively. Based on the dose limiting toxicities reported in the first participant, then all subsequent participants treated with GSK3845097 will receive the full dose as a single, i.e., one-time, infusion.


Treatment: Drugs: GSK3845097
GSK3845097 was administered.

Treatment: Drugs: Cyclophosphamide
Cyclophosphamide was administered as lymphodepleting chemotherapy.

Treatment: Drugs: Fludarabine
Fludarabine was administered as lymphodepleting chemotherapy.
Intervention code [1] 0 0
Treatment: Drugs
Comparator / control treatment
Control group

Outcomes
Primary outcome [1] 0 0
Number of Participants With Dose Limiting Toxicities (DLTs)
Timepoint [1] 0 0
Up to 28 days
Primary outcome [2] 0 0
Number of Participants With Treatment Emergent Adverse Events (AEs) and Serious AEs Based on Maximum Severity
Timepoint [2] 0 0
Up to approximately 21 months
Primary outcome [3] 0 0
Number of Participants With Treatment Emergent Adverse Events of Special Interest (AESI)
Timepoint [3] 0 0
Up to approximately 21 months
Secondary outcome [1] 0 0
Overall Response Rate (ORR) Assessed by Investigator According to RECIST v1.1
Timepoint [1] 0 0
Up to approximately 21 months
Secondary outcome [2] 0 0
Duration of Response (DoR)
Timepoint [2] 0 0
Up to approximately 21 months
Secondary outcome [3] 0 0
Maximum Transgene Expansion (Cmax) of GSK3845097
Timepoint [3] 0 0
Up to 21 days
Secondary outcome [4] 0 0
Time to Cmax (Tmax) of GSK3845097
Timepoint [4] 0 0
Up to 21 days
Secondary outcome [5] 0 0
Area Under the Time Curve From Zero to Time 28 Days (AUC[0-28])
Timepoint [5] 0 0
Up to 28 days

Eligibility
Key inclusion criteria
* 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
Minimum age
18 Years
Maximum age
No limit
Sex
Both males and females
Can healthy volunteers participate?
No
Key exclusion criteria
* 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

Study design
Purpose of the study
Treatment
Allocation to intervention
Not applicable
Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Masking / blinding
Open (masking not used)
Who is / are masked / blinded?



Intervention assignment
Single group
Other design features
Phase
Phase 1
Type of endpoint/s
Statistical methods / analysis

Recruitment
Recruitment status
Stopped early
Data analysis
Reason for early stopping/withdrawal
Other reasons
Date of first participant enrolment
Anticipated
Actual
21/12/2020
Date of last participant enrolment
Anticipated
Actual
Date of last data collection
Anticipated
Actual
24/10/2022
Sample size
Target
Accrual to date
Final
5
Recruitment in Australia
Recruitment state(s)
VIC
Recruitment hospital [1] 0 0
GSK Investigational Site - Melbourne
Recruitment postcode(s) [1] 0 0
3000 - Melbourne
Recruitment outside Australia
Country [1] 0 0
United States of America
State/province [1] 0 0
Connecticut
Country [2] 0 0
United States of America
State/province [2] 0 0
Florida
Country [3] 0 0
United States of America
State/province [3] 0 0
Georgia
Country [4] 0 0
United States of America
State/province [4] 0 0
Kansas
Country [5] 0 0
United States of America
State/province [5] 0 0
Kentucky
Country [6] 0 0
United States of America
State/province [6] 0 0
Maryland
Country [7] 0 0
United States of America
State/province [7] 0 0
Missouri
Country [8] 0 0
United States of America
State/province [8] 0 0
New York
Country [9] 0 0
United States of America
State/province [9] 0 0
Pennsylvania
Country [10] 0 0
United States of America
State/province [10] 0 0
Texas
Country [11] 0 0
Canada
State/province [11] 0 0
Ontario
Country [12] 0 0
Canada
State/province [12] 0 0
Quebec
Country [13] 0 0
Germany
State/province [13] 0 0
Bayern
Country [14] 0 0
Germany
State/province [14] 0 0
Niedersachsen
Country [15] 0 0
Germany
State/province [15] 0 0
Nordrhein-Westfalen
Country [16] 0 0
Germany
State/province [16] 0 0
Sachsen
Country [17] 0 0
Netherlands
State/province [17] 0 0
Amsterdam
Country [18] 0 0
Sweden
State/province [18] 0 0
Stockholm

Funding & Sponsors
Primary sponsor type
Commercial sector/industry
Name
Adaptimmune
Address
Country

Ethics approval
Ethics application status

Summary
Brief summary
Trial website
Trial related presentations / publications
Public notes

Contacts
Principal investigator
Name 0 0
Adaptimmune Patient Enquiries
Address 0 0
Adaptimmune
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for public queries
Name 0 0
Address 0 0
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for scientific queries

Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
Yes
What data in particular will be shared?
Qualified researchers may request access to anonymized individual patient-level data (IPD) and related study documents of the eligible studies via the Data Sharing Portal. Details on GSK's data sharing criteria can be found at: https://www.gsk.com/en-gb/innovation/trials/data-transparency/

Supporting document/s available: Study protocol, Statistical analysis plan (SAP), Informed consent form (ICF), Clinical study report (CSR)
When will data be available (start and end dates)?
Anonymized IPD will be made available within 6 months of publication of primary, key secondary and safety results for studies in product with approved indication(s) or terminated asset(s) across all indications.
Available to whom?
Anonymized IPD is shared with researchers whose proposals are approved by an Independent Review Panel and after a Data Sharing Agreement is in place. Access is provided for an initial period of 12 months but an extension may be granted, when justified, for up to 6 months.
Available for what types of analyses?
How or where can data be obtained?
IPD available at link: http://www.gsk.com/en-gb/innovation/trials/data-transparency/


What supporting documents are/will be available?




Results publications and other study-related documents

No documents have been uploaded by study researchers.


Results are available at https://clinicaltrials.gov/study/NCT05943990