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About
This is a first-in-human study evaluating the anti-T cell immunoglobulin and mucin containing protein-3 (TIM-3) antibody TSR-022. The study will be conducted in 2 parts with Part 1 consisting of dose escalation and Part 2 dose expansion. Part 1 will determine the recommended Phase 2 dose (RP2D) of TSR-022 and Part 2 will evaluate the antitumor activity of TSR-022 in combination with TSR-042 or docetaxel and as monotherapy.
Enrollment
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Inclusion and exclusion criteria
Inclusion Criteria
Inclusion Criteria for Participants in Part 1 and Part 2 Cohorts A, B, and C:
Inclusion Criteria for Participants in Part 2 Cohort E
Inclusion Criteria for Participants in Part 2 Cohort F
Histologically confirmed locally advanced or metastatic and/or unresectable Hepatocellcular Carcinoma (HCC)
No prior systemic therapy for HCC
Documented HBV testing at screening, including hepatitis B surface antigen (HBsAg), hepatitis B surface antibody (HBsAB) and hepatitis B core antibody (HBcAb). Participants with a positive HBsAg will require negative hepatitis B virus (HBV) DNA testing at screening.
Documented hepatitis C virus (HCV) antibody testing conducted at screening. If HCV antibody is positive, then HCV RNA must be negative. Participants with recently treated HCV prior to study start must be greater than (>)12 weeks from final HCV treatment.
Must have measurable disease, defined as at least one tumor lesion that can be accurately measured according to RECIST v1.1
Participant agrees to submit an archival FFPE tumor tissue specimen that was collected on or after diagnosis of metastatic disease from location(s) not irradiated prior to biopsy. Both tissue block and freshly cut slides are acceptable. If archival tissue is not available, the participant must undergo biopsy prior to study entry.
• Participants are also encouraged, but not required, to have a fresh tumor tissue biopsy of a primary or metastatic tumor prior to dosing (samples will be used to enable biomarker analysis).
International normalized ratio (INR) or prothrombin time (PT) <= 2× upper limit of normal (ULN) unless participant is receiving anticoagulant therapy as long as PT or partial thromboplastin (PTT) is within therapeutic range of intended use of anticoagulants. Activated partial thromboplastin time (aPTT) <=2×ULN unless participant is receiving anticoagulant therapy as long as PT or PTT is within therapeutic range of intended use of anticoagulants
Negative human immunodeficiency virus (HIV) test at screening The Investigator is responsible for review of medical history, menstrual history, and recent sexual activity to decrease the risk for inclusion of a woman with an early undetected pregnancy.
Exclusion criteria:
Exclusion Criteria for Participants in Part 2 Cohort D
Exclusion Criteria for Participants in Part 2 Cohort E
Exclusion Criteria for Participants in Part 2 Cohort F
Known fibrolamellar HCC, sarcomatoid HCC or mixed cholangiocarcinoma and HCC
Participant must not have had major surgery <= 3 weeks prior to initiating protocol therapy and participant must have recovered from any surgical effects
Participants must not have received investigational therapy <= 4 weeks, or within a time interval less than at least 5 half-lives of the investigational agent, whichever is shorter, prior to initiating protocol therapy.
Active or untreated central nervous system (CNS) and leptomeningeal metastases
Prior therapy with any medication targeting PD-1, PD-L1, or TIM-3
Participant must not have a known hypersensitivity to TSR-042 and TSR-022 components or excipients.
Participants with active malignancy (other than HCC) or a prior malignancy within the past 2 years are excluded. Participants with completely resected cutaneous melanoma (early stage), basal cell carcinoma, cutaneous squamous cell carcinoma, cervical carcinoma in-situ, breast carcinoma in-situ, and localized prostate cancer are eligible
Participant must not have serious, uncontrolled medical disorder, or nonmalignant systemic disease as determined by the treating physician. Examples include, but are not limited to uncontrolled ventricular arrhythmia, uncontrolled major seizure disorder, unstable spinal cord compression, or superior vena cava syndrome.
Has a history or evidence of cardiac abnormalities within the 6 months prior to enrollment, including:
Known history of HIV infection
Active tuberculosis infection or other microbial infection or any active systemic infection requiring parenteral antibiotic therapy. All prior infections must have resolved following optimal therapy.
Participant has an active autoimmune disease that has required systemic treatment in the past 2 years (. i.e., with use of disease-modifying agents, corticosteroids, or immunosuppressive drugs). Replacement therapy (e.g., thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency, etc.) is not considered a form of systemic treatment.
History of idiopathic pulmonary fibrosis, interstitial lung disease, bronchial asthma, organizing pneumonia, bronchiolitis obliterans, drug-induced pneumonitis, or idiopathic pneumonitis
History of organ transplantation including allogeneic bone marrow transplantation
Participant has a diagnosis of immunodeficiency or has been receiving systemic steroid therapy or any other form of immunosuppressive therapy within 7 days prior to initiating protocol therapy.
Participant has received a live vaccine within 7 days of initiating protocol therapy. Seasonal flu vaccines that do not contain live virus and COVID 19 vaccines are permitted.
Psychiatric illness/social situations that would limit compliance with study requirements
Pregnant, lactating, breastfeeding, or intending to become pregnant during the study and for 150 days after the study
Primary purpose
Allocation
Interventional model
Masking
463 participants in 17 patient groups
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Central trial contact
US GSK Clinical Trials Call Cente; EU GSK Clinical Trials Call Center
Data sourced from clinicaltrials.gov
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