Solid Tumors Clinical Trial
Official title:
A Phase 1, First-in-Human, Dose Escalation and Expansion Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Activity of XmAb®662 in Monotherapy or in Combination With Pembrolizumab in Advanced Solid Tumors
The purpose of this study is to evaluate the safety, tolerability, and pharmacokinetics of intravenous administration of XmAb662 monotherapy or in combination with pembrolizumab in subjects with advanced solid tumors and to identify the recommended dose regimen that is safe and biologically effective for XmAb662.
Status | Recruiting |
Enrollment | 210 |
Est. completion date | September 30, 2030 |
Est. primary completion date | September 30, 2028 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: Advanced, recurrent or metastatic solid malignancy that is not amenable to curative-intent treatment and which has progressed after standard therapy appropriate for the following tumor type: Head and neck squamous cell carcinoma, melanoma, non-small cell lung cancer, small cell lung cancer (SCLC), urothelial carcinoma, colorectal cancer, gastric cancer, esophageal cancer, cervical cancer, hepatocellular carcinoma, Merkel cell carcinoma, renal cell carcinoma, endometrial cancer, cutaneous squamous cell carcinoma, breast cancer, ovarian cancer (epithelial), castration-resistant prostate cancer (adenocarcinoma) Measurable disease by RECIST 1.1; subjects with prostate cancer who have evaluable disease according to PCWG3 criteria may enroll Life expectancy of at least 3 months Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1, or 2 For dose escalation cohorts, subjects must have adequate archival tumor sample or willing to provide a fresh tumor Adequate organ function Exclusion Criteria: Receiving treatment with the following therapies: Interleukin (IL)-12 either alone or as part of a treatment regimen; checkpoint inhibitors given within 4 weeks of study drug; other anticancer therapies, including chemotherapy or radiation therapy, given within 4 weeks of the start of study drug (palliative radiation given within a 1-week washout is allowed) History of allergic or anaphylactic/hypersensitivity reaction to immunotherapy History of a life-threatening (Grade 4) immune-related adverse event (irAE) related to prior immunotherapy or any prior irAE, regardless of grade History or evidence of any clinically unstable/uncontrolled disorder, condition, or disease (including, but not limited to, cardiopulmonary, renal, metabolic, hematologic, or psychiatric) other than their primary malignancy Known active central nervous system involvement by malignant disease; subjects with previously treated brain metastases may participate provided they are radiologically and clinically stable For subjects receiving pembrolizumab, prior Grade 3 or Grade 4 infusion-related reactions to pembrolizumab, or known hypersensitivity to pembrolizumab Other protocol defined inclusion/exclusion criteria apply |
Country | Name | City | State |
---|---|---|---|
United States | University Of Virginia Comprehensive Cancer Center | Charlottesville | Virginia |
Lead Sponsor | Collaborator |
---|---|
Xencor, Inc. |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Incidence of dose-limiting toxicities (DLTs) | Safety and tolerability as assessed by incidence of DLTs and all available data which will be used to determine the recommend dose(s) | First 3 weeks on treatment for each subject] | |
Primary | Incidence and severity of treatment emergent adverse events (TEAEs) | Safety and tolerability as assessed by incidence of TEAEs, including clinically significant changes in safety laboratory tests and clinical findings | Up to 2 years | |
Secondary | Characterization of pharmacokinetics | Measurement of Cmax | 56 Days | |
Secondary | Characterization of pharmacokinetics | Measurement of AUC | 56 Days | |
Secondary | Objective response rate | Objective response rate by RECIST 1.1, as modified by PCWG3 for participants with prostate cancer | Up to 2 years | |
Secondary | Progression-free survival | Progression-free survival by RECIST 1.1, as modified by PCWG3 for participants with prostate cancer | Up to 2 years | |
Secondary | Duration of response | Duration of response by RECIST 1.1, as modified by PCWG3 for participants with prostate cancer | Up to 2 years |
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