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A Phase I Trial of SIM1811-03 in Subjects With Advanced Solid Tumors and Cutaneous T-cell Lymphoma
Description
This is a first in human, open-label, dose escalation and expansion Phase 1 study of SIM1811-03 in adult patients with advanced solid tumors and cutaneous T-cell lymphoma. SIM1811-03 is a first-in-class IgG1-based humanized anti-tumor necrosis factor type 2 receptor (TNFR2) monoclonal antibody for the treatment of malignant tumors.This is a phase I trial to evaluate the safety, efficacy, and pharmacokinetic/ pharmacodynamic characteristics of SIM1811-03 in subjects with advanced solid tumors and subjects with CTCL. The trial is composed of two parts, phase Ia and phase Ib. Phase Ia is a dose escalation part to determine the MTD and/or RD of SIM1811-03. Phase Ib is a dose expansion part at RD level SIM1811-03 determined in phase Ia to primarily assess the anti-tumor activity of SIM1811-03 in subjects with solid tumors or CTCL. The tumor types in PhIb will be adjusted based on the response observed in PhIa. Approximately 50 subjects will be enrolled in this phase. Cohort 1: Patients wi
Trial Eligibility
Inclusion Criteria: * Written informed consent must be obtained prior to any procedures that are not considered standard of care * ≥18 years old on the day of signing informed consent, male or female * Histologically and/or cytologically documented advanced/metastatic solid tumors or histologically confirmed CTCL. Patients with lymphoma other than CTCL are not eligible. * Have relapsed or refractory advanced solid tumors or CTCL, whose disease has progressed during or after standard therapy * At least one measurable tumor lesion (RECIST 1.1) for patients with solid tumors. Tumor lesions previously treated with radiotherapy or local therapy should not be considered as measurable unless progression is documented. * For patients with CTCL, the following criteria must be met: * Have at least one measurable lesion (mSWAT criteria) , the lesion that has previously been treated with local therapy should not be considered as measurable unless progression is documented; * Provide tissue from a punch biopsy of the skin at screening (except for patients in phase Ia dose escalation phase, for whom skin biopsies is recommended only). * Mycosis fungoides (MF) or Sézary Syndrome (SS) (Stage IIb-IV based on Tumor Node Metastasis Blood \[TNMB\] staging system for SS and MF diagnosed at screening) failed of at least 2 prior systemic therapies * Meet clinical criteria for systemic treatment (patients that can be treated with radiotherapy and/or skin-directly therapies only are to be excluded) * No current large cell transformation * Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0 or 1 * Life expectancy of ≥ 12 weeks * Adequate organ and marrow functions * Provide archival tumor samples or fresh tumor biopsy (mandatory for Phase Ib, and recommended for Phase Ia) * Females of childbearing potential require strict contraception during the study Exclusion Criteria: * Participated in an interventional clinical trial or has used investigational devices within 28 days prior to first dose of study drug or received any following systemic anti-cancer treatments: 1. cytotoxic chemotherapy, targeted therapy, immune checkpoint inhibitor within 4 weeks (such as PD-1 inhibitor, PD-L1 inhibitor, or CTLA-4 inhibitor); 2. radiotherapy within 2 weeks (palliative radiotherapy is allowed at least 1 week before the study drug treatment). * Toxicity and side effects (due to previous anticancer treatments) have not recovered to ≤ grade 1, unless such AE is not considered to pose safety risks (such as hair loss and neuropathy ≤ grade 2 caused by chemotherapy). * Required use of corticosteroids for more than 7 consecutive days within 14 days prior to the first dose of study treatment (\> 10 mg daily prednisone equivalent for solid tumors; \> 20 mg daily prednisone equivalent for CTCL) * Patients with active or history of or risk of autoimmune disease * Major surgery (except biopsy) or unhealed wound within 4 weeks prior to first dose of study drug * Any other current or previous malignancy within the past 2 years except a) adequately treated basal cell or squamous cell skin cancer, b) carcinoma in situ of the cervix, c) carcinoma in situ of the breast d) local prostate cancer after radical resection and/ or definitive radiotherapy with stable prostate specific antigen (PSA) levels for 1 years * Has known active central nervous system (CNS) metastases * History of interstitial lung disease, drug-induced interstitial lung disease, radiation pneumonitis, symptomatic interstitial lung disease or evidence of active pneumonia that is not considered appropriate by the investigator * History of immunodeficiency (including HIV infection) * Known active hepatitis B or C infection * Patients with clinically significant cardiovascular diseases * History of severe allergic reaction to the study drug or excipients used in the protocol * Has had an allogeneic tissue/solid organ transplant or graft-versus-host disease * Other conditions that researchers consider inappropriate for inclusion
Study Info
Organization
Jiangsu Simcere Pharmaceutical Co., Ltd.
Primary Outcome
Phase 1a: Incidence Rate of Dose-Limiting Toxicity (DLT)
Interventions
Locations Recruiting
Henry Ford Health
United States, Michigan, Detroit
NYU Lagone Health
United States, New York, New York
Icahn School of Medicine at Mount Sinai
United States, New York, New York
Carolina Biooncology Institute
United States, North Carolina, Huntersville
Mary Crowley Cancer Research
United States, Texas, Dallas
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