NCT06589440招募中2 期
Phase 2 Study of SR-8541A in Combination With Botensilimab and Balstilimab in Subjects With Refractory Metastatic Microsatellite Stable Colorectal Cancer (MSS-CRC)
Stingray Therapeutics6 个研究点 分布在 1 个国家目标入组 70 人开始时间: 2024年11月20日最近更新:
适应症
干预措施
相关药物
试验速览
- 阶段
- 2 期
- 状态
- 招募中
- 发起方
- 入组人数
- 70
- 试验地点
- 6
- 主要终点
- To evaluate the safety, tolerability, efficacy, and define the optimal dose for expansion of SR-8541A in combination with botensilimab and balstilimab
研究概览
简要总结
This is an open-label, dose escalation and expansion, multi-center phase 2 study evaluating the safety and efficacy of SR-8541A administered orally in combination with intravenous botensilimab and balstilimab in subjects with MSS-CRC with and without active liver metastases.
研究设计
- 研究类型
- Interventional
- 分配方式
- Non Randomized
- 干预模型
- Parallel
- 主要目的
- Treatment
- 盲法
- None
入排标准
- 年龄范围
- 18 Years 至 —（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Written informed consent from subject
- •Age ≥ 18 years old on the date of consent
- •Histologically confirmed diagnosis of unresectable and metastatic adenocarcinoma of the colon or rectum
- •Non-microsatellite instability high or non-deficient mismatch repair (non-MSI-H/non-dMMR) tumor status per a standard local testing method
- •Must have received at least 1 prior chemotherapy regimen for metastatic or recurrent CRC
- •Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1
- •Measurable disease per RECIST v1.1 (Eisenhauer et al., 2009)
- •Able to provide archival or fresh tumor tissue during screening (required) and post-treatment (optional)
- •Adequate renal function defined as creatinine clearance ≥ 60mL/min
- •Adequate liver function
- •Adequate hematologic function
- •No growth factor support, transfusions, or albumin administration within 14 days of first dose of study treatment
- •Willing and able to comply with scheduled visits, treatment plan, laboratory tests, and other study procedures
- •Male and female subjects of childbearing potential must agree to use a highly medically effective method of contraception and refrain from sperm/egg donation throughout the study starting with the first dose of study treatment (or 14 days prior to the first dose of study treatment for oral contraception) and for at least 3 months after the last dose of study treatment
排除标准
- •Hypersensitivity or allergy to any of the study drugs or their excipients.
- •In Part 2, Cohort A, active liver metastases by computed topography (CT) or magnetic resonance imaging (MRI).
- •Treatment with one of the following classes of drugs within the delineated time window prior to first dose:
- •Small molecule/tyrosine kinase inhibitors within 2 weeks
- •Any other systemic therapy for CRC within 3 weeks
- •Received another investigational drug within 30 days or active participation in another clinical trial (follow-up is permitted)
- •Medications/products which are known strong inhibitors or inducers of the CYP enzymes within 5 x T1/2
- •Received programmed cell death protein 1, PD-(L)1, or CTLA-4 therapies including any immune checkpoint inhibitor or experimental immunologic agents.
- •Partial or complete bowel obstruction within the last 3 months, signs/symptoms of bowel obstruction, or known radiologic evidence of impending obstruction.
- •Refractory ascites.
- •Current evidence of interstitial lung disease (ILD) or pneumonitis, or prior history of ILD or non-infectious pneumonitis requiring glucocorticoids.
- •Continuous systemic treatment with either corticosteroids (>10 mg daily prednisone equivalents) or other immunosuppressive medications within 28 days prior to Day
- •Active autoimmune disease that has required systemic treatment in past 2 years
- •Patients with adrenal / pituitary insufficiency
- •History of documented congestive heart failure; unstable angina; poorly controlled hypertension; clinically significant valvular heart disease; high-risk uncontrolled arrhythmias (including sustained ventricular tachycardia); myocardial infarction, unstable angina, cerebrovascular accident, or transient ischemic attack within the last 6 months, or Canadian Cardiovascular Society angina class > 2
- •History of allogeneic organ transplant, stem cell transplant, or bone marrow transplant
- •Previous SARS-CoV-2 infection within 10 days for mild or asymptomatic infections or 20 days for severe/critical illness prior to first dose
- •Requirement for treatment with strong cytochrome P450 3A4 inducers or inhibitors
- •Presence of gastrointestinal condition, for example, malabsorption, that might affect the absorption of Investigational Product(s).
- •Troponin I > ULN
- •Uncontrolled hypertension
- •Corrected QT interval by Fridericia (QTcF) ≥ 470 ms per the central mean average of triplicate electrocardiograms (ECGs)
- •Left Ventricular Ejection Fraction (LVEF) < 50% using echocardiogram or multigated acquisition (MUGA)
- •Symptomatic uncontrolled central nervous system (CNS) disease requiring treatment with steroids or anti-seizure medications within 2 months prior to Day
- •However, subjects with brain metastases that have been previously treated and are stable based on imaging performed within 2 months of Day 1 following completion of any CNS-directed therapy are allowed
- •Leptomeningeal disease
- •Spinal cord compression not definitively treated with surgery and/or radiation
- •Bleeding diathesis due to underlying medical condition or anticoagulation medication which is unable to be promptly reversed by medical treatment
- •Prior additional malignancy that is progressing or has received treatment the previous 3 years prior to first dose except for locally curable cancers that have been apparently cured, such as basal or squamous cell skin cancer, superficial bladder cancer, or carcinoma in situ of the prostate, cervix, or breast
- •History of uncontrolled seizures, central nervous disorders, substance abuse disorder or psychiatric disability judged by the Investigator to be clinically significant and would interfere with cooperation with requirements of the study
- •Active infection requiring systemic treatment at time of first dose
- •Positive for human immunodeficiency virus (HIV) (HIV antibodies) or active hepatitis B (e.g., HbsAg reactive) or active hepatitis C (e.g., HCV ribonucleic acid [RNA] qualitative) infection with detectable viral load
- •Pregnant or lactating females who plan to nurse a child during or within 3 months of the last dose of study treatment
- •Major surgery within 28 days prior to first dose and/or minor surgery (excluding biopsy) within 7 days prior to first dose. Note: If the subject had major surgery, the subject must have recovered adequately from the procedure and/or any complications from the surgery prior to starting study intervention
- •Prior or ongoing clinically significant illness, medical condition, surgical history, physical finding, or laboratory abnormality that, in the Investigator's opinion, could affect the safety of the subject or impair the assessment of study results
- •Planned use of any of the prohibited concomitant medications
研究组 & 干预措施
MSS-CRC subject with active liver metastases
Experimental
干预措施: SR-8541A (Drug)
MSS-CRC subject with no active liver metastases
Experimental
干预措施: SR-8541A (Drug)
结局指标
主要结局
To evaluate the safety, tolerability, efficacy, and define the optimal dose for expansion of SR-8541A in combination with botensilimab and balstilimab
时间窗: Approximately 3 dose levels (DL) will be investigated in 28-day cycles
Part 1 of the study is to establish the recommended dose of SR-8541A in combination with botensilimab and balstilimab.
次要结局
未报告次要终点
研究者
研究点 (6)
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