NCT02694822已完成1 期
A Phase 1/2, Open-Label, Multicenter Study to Evaluate the Safety, Pharmacokinetics, and Pharmacodynamics of an Anti-CTLA-4 Human Monoclonal Antibody (AGEN1884) in Subjects With Advanced or Refractory Cancer and in Subjects Who Have Progressed During Treatment With a PD-1/PD-L1 Inhibitor as Their Most Recent Therapy
干预措施
相关药物
试验速览
- 阶段
- 1 期
- 状态
- 已完成
- 发起方
- Agenus Inc.
- 入组人数
- 89
- 试验地点
- 11
- 主要终点
- Phase 1: Number of Participants With Dose-limiting Toxicities (DLTs) of Zalifrelimab
研究概览
简要总结
This is an open-label, Phase 1/2, multicenter study to evaluate the safety, pharmacokinetics, and pharmacodynamics of an anti-cytotoxic T lymphocyte-associated protein-4 (CTLA-4) human monoclonal antibody (zalifrelimab) in participants with advanced or refractory cancer and in participants who have progressed during treatment with a programmed cell death protein-1/programmed cell death ligand-1 (PD-1/PD-L1) inhibitor as their most recent therapy.
The phase 1 portion of the study has been completed; it enrolled adult participants with refractory, advanced cancer in a 3+3 dose escalation cohort.
The phase 2 portion consisted of 51 participants who progressed during treatment with an approved or investigational PD-1/PD-L1 inhibitor as their most recent therapy (2-6 weeks prior to first dose of study drug).
研究设计
- 研究类型
- Interventional
- 分配方式
- Na
- 干预模型
- Single Group
- 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.
- •≥18 years of age.
- •Histological or cytological diagnosis of solid cancer or lymphoma that is considered incurable and without therapies with established benefit. Biopsy is not necessary for participants with known prior diagnosis, and clinical or radiographic evidence of recurrence. For Phase 2 only: Participants who experienced documented disease progression during treatment with an approved or investigational PD-1/PD-L1 inhibitor as their most recent therapy (2-6 weeks prior to first dose of study drug). This cohort includes participants with histological diagnoses of hepatocellular carcinoma (HCC) (not including atypical histology such as cholangiocarcinoma mix or fibrolamellar hepatocellular carcinoma) who experienced documented disease progression during treatment with an approved or investigational PD-1/PD-L1 inhibitor as their most recent therapy (2-6 weeks prior to first dose of study drug).
- •Eastern Cooperative Oncology Group (ECOG) score of 0 or
- •Participants in Phase 2 with HCC should have a Child-Pugh score of A or B7 with no encephalopathy or ascites.
- •Life expectancy ≥12 weeks.
- •Adequate cardiac function (New York Heart Association [NYHA] class ≤II).
- •Adequate organ function, defined as absolute neutrophil count (ANC) ≥1,500×10^6/liter (L), absolute lymphocyte count ≥500/cubic millimeters (mm^3), hemoglobin ≥8.0 grams/deciliter (g/dL), and platelet count ≥100,000×10^6/mm^3 without blood growth factors or without transfusions within 1 week of first dose. For participants in Phase 2 with HCC: Platelet count ≥60×10^6/mm^3 and ANC ≥1,000×10^6/L are acceptable provided that the principal investigator assesses these abnormalities as due to liver disease.
- •Adequate liver function, defined as aspartate aminotransferase (AST) and alanine aminotransferase (ALT) ≤2.5× institutional upper limit of normal (ULN), and bilirubin ≤1.5 milligrams/deciliter (mg/dL) × ULN. For participants in Phase 2 with HCC: AST and ALT ≤5 × ULN, bilirubin ≤2 mg/dL × ULN, and albumin ≥2.8 mg/dL.
- •Adequate renal function, defined as estimated creatinine clearance ≥50 milliliters/minute according to Cockcroft-Gault formula, or measured 24-hour creatinine clearance (or local institutional standard method).
- •Adequate coagulation defined by international normalized ratio (INR) or prothrombin time (PT) ≤1.5× ULN (unless the participant is receiving anticoagulant therapy); and activated partial thromboplastin time ≤1.5× ULN (unless the participant is receiving anticoagulant therapy). Participants in Phase 2 with HCC can have an INR ≤2.3× ULN. Note: Participants in Phase 2 with HCC and on anticoagulant treatment would have an assigned value of 1 point when scoring PT/INR so the overall Child-Pugh score is not adversely affected.
- •Female participants of childbearing potential and fertile male participants must agree to use adequate contraception or abstain from sexual activity from the time of consent through 90 days after the end of study drug. Adequate contraception includes condoms with contraceptive foam; oral, implantable, or injectable contraceptives; contraceptive patch; intrauterine device; diaphragm with spermicidal gel; or a sexual partner who is surgically sterilized or postmenopausal. Note: Abstinence is acceptable if this is the established and preferred contraception for the participant.
- •In the expansion phase, all participants must provide a sufficient and adequate formalin-fixed paraffin embedded (FFPE) tumor tissue sample preferably collected after progression on the last therapy and/or collected at screening, if clinically feasible. If a recent biopsy is not available, an archival FFPE sample should be provided from a site not previously irradiated. If no tumor tissue is available, a fresh biopsy will be required if clinically feasible.
- •Exclusion Criteria
- •Other malignancies treated within the last 5 years, except in situ cervix carcinoma or non-melanoma skin cancer.
- •Other form(s) of antineoplastic therapy anticipated during the period of the study.
- •Previous severe hypersensitivity reaction to another fully human monoclonal antibody or severe reaction to immuno-oncology agents, such as colitis or pneumonitis requiring treatment with steroids.
- •History of interstitial lung disease.
- •Primary or secondary immunodeficiency, including immunosuppressive disease, autoimmune disease (including autoimmune endocrinopathies), or usage of immunosuppressive medications.
- •Note: Participants with diabetes type 1, vitiligo, psoriasis, hypo-, or hyperthyroid disease not requiring immunosuppressive treatment are eligible. Participants with Type 2 diabetes mellitus are allowed.
- •Participants with a known history of human immunodeficiency virus 1 and 2, human T lymphotropic virus
- •Participants in Phase 2 with HCC: Participants with active hepatitis B infection who are receiving effective antiviral therapy are permitted. Participants with active hepatitis C infection are allowed (antiviral therapy not required).
- •Administration of anticancer medications or investigational drugs within the following intervals before the first administration of study drug: a. ≤14 days for chemotherapy, targeted small molecule therapy, or radiation therapy. Participants must also not have had radiation pneumonitis as a result of treatment and cannot participate in the study if they are on chronic corticosteroids for radiation pneumonitis. A 1-week washout is permitted for palliative radiation to non-central nervous system (CNS) disease, with medical monitor approval.
- •Note: Bisphosphonates and denosumab are permitted medications. b. ≤14 days for prior immunotherapy. Participants in the dose escalation cohorts are excluded if they have received prior checkpoint inhibitors, costimulatory agonists, or immune modulating therapy except as described below. Once a dose level is determined to be safe by the safety review committee, participants will be allowed to enroll in dose-level expansion cohorts if they have received other non-CTLA-4 targeting immunotherapies.
- •c. Participants enrolling in Phase 2 must have cancer that has progressed after prior treatment with an approved or investigational PD-1/PD-L1 inhibitor as their most recent therapy (2-6 weeks prior to first dose of study drug). The minimum requirement of 2 weeks (14 days) from prior anti-PD-1/PD-L1 therapy is to allow resolution of any lower-grade (≤2) adverse events observed with the therapy. If the investigator feels the participant has tolerated prior anti-PD-1/PD-L1 therapy well, then treatment with study agent may begin sooner.
- •d. ≤7 days for prior corticosteroid treatment, with the following exceptions:
- •Use of an inhaled or topical corticosteroid is permitted.
- •Corticosteroid premedication for radiographic imaging for dye allergies is permitted.
- •Use of physiologic corticosteroid replacement therapy may be approved after consultation with the medical monitor. e. ≤21 days for prior monoclonal antibody used for anticancer therapy, with the exception of denosumab. This does not apply to participants being enrolled in Phase 2, who have received a PD-1/PD-L1 inhibitor as their most recent therapy (2-6 weeks prior to first dose of study drug; see above).
- •f. ≤7 days for immunosuppressive-based treatment for any reason, with the exceptions noted above for prior corticosteroid treatment (exclusion criterion d).
- •g. ≤21 days or 5 half-lives before first dose of study treatment for all other investigational study drugs or devices. For investigational agents with long half- lives (for example, >5 days), enrollment before the fifth half-life requires medical monitor approval.
- •h. For participants in Phase 2 with HCC <6 weeks for prior locoregional therapy to the liver, for example, transcatheter chemoembolization, radiation, surgery, or radioembolization.
- •Has not recovered to grade ≤1 from toxic effects of prior therapy and/or complications from prior surgical intervention before starting therapy.
- •Note: Participants with grade ≤2 neuropathy and alopecia are an exception and may enroll.
- •Uncontrolled infection or other serious medical illnesses.
- •History or presence of an abnormal electrocardiogram that, in the investigator's opinion, is clinically meaningful.
- •Any medical conditions that, in the opinion of the investigator, would preclude use of AGEN1884, including AGEN1884 hypersensitivity.
- •Women who are pregnant or breastfeeding.
- •Concurrent participation in other investigational drug trials.
- •Has a CNS tumor, metastasis(es), and/or carcinomatous meningitis identified either on the baseline brain imaging obtained during the screening period or identified prior to consent. Note: Participants with history of brain metastases that have been treated may participate provided they show evidence of stable supra-tentorial lesions are obtained after treatment to the brain metastases. These imaging scans should both be obtained ≥4 weeks apart). In addition, any neurologic symptoms that developed either as a result of the brain metastases or their treatment must have returned to baseline or resolved. For individuals who received steroids as part of brain metastases treatment, steroids must be discontinued ≥7 days prior to first dose of study drug.
- •For participants in Phase 2 with HCC, the following exclusions also apply:
- •Recent encephalopathy episodes in the last 6 months.
- •Recent (within the last 6 months) gastro-esophageal varices bleeding.
- •Participant whose tumors have cardiac involvement, as determined by imaging.
排除标准
- 未提供
研究组 & 干预措施
Zalifrelimab
Experimental
Participants received zalifrelimab intravenously.
干预措施: Zalifrelimab (Drug)
结局指标
主要结局
Phase 1: Number of Participants With Dose-limiting Toxicities (DLTs) of Zalifrelimab
时间窗: Up to 28 days
A DLT was defined as a Grade ≥3 adverse drug reaction (ADR), according to the National Cancer Institute Common Terminology Criteria for Adverse Events version 5, occurring in the DLT evaluation period (28 days after the initial administration of zalifrelimab). An ADR was defined as all noxious and unintended responses to a medicinal product, related to any dose.
Phase 1 and Phase 2: Number of Participants Experiencing Any Treatment-related Adverse Events
时间窗: Up to 6 years
An adverse event (AE) was defined as any untoward medical occurrence in a clinical investigation participant administered a pharmaceutical product and that did not necessarily have a causal relationship with this treatment. A treatment-related AE was one in which a causal relationship between the medicinal product and the AE was at least a reasonable possibility and could not be ruled out. A summary of all Serious Adverse Events and Other Adverse Events (nonserious) regardless of causality is located in the 'Reported Adverse Events' Section.
Phase 1: Maximum Drug Concentration (Cmax) of Zalifrelimab
时间窗: Day 1 of Cycle 1 (21 days/cycle)
Blood samples were collected at designated timepoints to characterize Cmax of serum zalifrelimab following IV infusion in participants with metastatic or locally advanced solid tumors. Data reported as micrograms/milliliter (ug/mL).
Phase 1: Area Under the Drug Concentration-time Curve From 0 to 21 Days (AUC0-21d) of Zalifrelimab
时间窗: Day 1 of Cycle 1 (21 days/cycle)
Blood samples were collected at designated timepoints to characterize AUC0-21d of serum zalifrelimab following IV infusion in participants with metastatic or locally advanced solid tumors. Data reported as hour times ug/mL (hour\*ug/mL).
次要结局
- Phase 1 and Phase 2: Objective Response Rate (ORR)(Up to 6 years)
- Phase 1 and Phase 2: Disease Control Rate (DCR)(Up to 6 years)
- Phase 1 and Phase 2: Duration of Response (DOR)(Up to 6 years)
- Phase 1: Progression-free Survival (PFS)(Up to 6 years)
- Phase 2: PFS(Up to 6 years)
- Phase 1: Overall Survival (OS)(Up to 6 years)
- Phase 2: OS(Up to 6 years)
研究者
研究点 (11)
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