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Safety Study of Enoblituzumab (MGA271) in Combination With Ipilimumab in Refractory Cancer

Brief Summary

The purpose of this study is to evaluate the safety of enoblituzumab (MGA271) in combination with Yervoy (ipilimumab) when given to patients with B7-H3-expressing melanoma, squamous cell carcinoma of the head and neck (SCCHN), non small cell lung cancer (NSCLC) and other B7-H3 expressing cancers. The study will also evaluate what is the best dose of enoblituzumab to use when given with ipilimumab. Assessments will also be done to see how the drug acts in the body (pharmacokinetics (PK), pharmacodynamics) and to evaluate potential anti-tumor activity of enoblituzumab in combination with ipilimumab.

Tracking Information
First Received DateFebruary 20, 2015
Last Changed DateApril 11, 2017
Start DateMarch 2015
Anticipated Primary Completion DateMarch 2018
Primary Outcome Measures

Number of participants with adverse events [Time Frame: 1 year]

Secondary Outcome Measures

Peak plasma concentration [Time Frame: 7 weeks]

Number of participants that develop anti-drug antibodies [Time Frame: 7 weeks]

Change in tumor volume [Time Frame: Weeks 9, 18, 27, 39, and 51]

Descriptive Information
PhasePhase 1
Study TypeInterventional
Condition
  • Melanoma
  • Non Small Cell Lung Cancer
Intervention
  • Biological: enoblituzumab plus ipilimumab
Study Arms / Comparison Groups1 / 0
Detailed Description

This study is a Phase 1 open-label, dose escalation, and cohort expansion study of enoblituzumab administered intravenously (IV) on a weekly schedule for up to 51 doses in combination with IV ipilimumab administered on an every-3-week schedule for 4 doses.

The dose escalation phase is designed to characterize the safety and tolerability of the combination of enoblituzumab and ipilimumab and to define the maximum tolerated or administered dose (MTD/MAD) in patients with B7-H3 expressing mesothelioma, urothelial cancer, NSCLC, SCCHN, Clear cell renal cell carcinoma (ccRCC), ovarian cancer, melanoma, thyroid cancer, Triple negative breast cancer (TNBC), pancreatic cancer, colon cancer, soft tissue sarcoma, or prostate cancer.

The cohort expansion phase, 2 cohorts of 16 patients each will be enrolled to further evaluate the safety and potential efficacy of the combination administered at the MTD/MAD dose in patients with melanoma and NSCLC.

All tumor evaluations will be carried out by both Response Evaluation Criteria in Solid Tumors (RECIST) and immune-related response criteria (irRC).

Recruitment Information
Recruitment StatusRecruiting
Anticipated Enrollment59
GenderAll
Ages18 Years - N/A
Accepts Healthy VolunteersNo
Contact Soyoung Yun
Email: yuns@macrogenics.com
Phone: 240 552-8058
Eligibility Criteria

Inclusion Criteria - Cohort Expansion Phase:

- Histologically-proven, unresectable, locally advanced or metastatic melanoma or NSCLC

- Melanoma: Advanced or metastatic melanoma patients may be systemic therapy naïve or may have received systemic treatment for unresectable locally advanced or metastatic disease. A patient who previously received systemic therapy must have had progression on a checkpoint inhibitor (e.g., anti-PD-L1, anti-PD-1, anti-CTLA-4) as the most recent prior therapy.

- NSCLC: NSCLC that has progressed during or following 1 or more prior systemic therapies for unresectable locally advanced or metastatic disease. Patients who are intolerant of, or have refused treatment with standard first line cancer therapy, will be allowed to enroll. Patients must not have had more than 5 prior systemic regimens (excluding experimental therapies) for unresectable locally advanced or metastatic disease.

- B7-H3 expression is not required for eligibility in this study; however, tumor expression of B7-H3 will be evaluated for all patients.

- Measurable disease per RECIST 1.1 criteria

- ECOG performance status 0 or 1

- Acceptable laboratory parameters and adequate organ reserve.

Exclusion Criteria - Cohort Expansion Phase:

- Patients with a history of symptomatic central nervous system metastases, unless treated and asymptomatic

- Patients with history of autoimmune disease with certain exceptions

- History of allogeneic bone marrow, stem cell, or solid organ transplant

- Treatment with systemic cancer therapy or investigational therapy within 4 weeks; radiation within 2 weeks; trauma or major surgery within 4 weeks

- History of clinically-significant cardiovascular disease; gastrointestinal perforation; gastrointestinal bleeding, acute pancreatitis or diverticulitis within 4 weeks;

- Active viral, bacterial, or systemic fungal infection requiring parenteral treatment within 7 days; positive for human immunodeficiency virus or AIDS, hepatitis B or C.

- Known hypersensitivity to recombinant proteins, polysorbate 80, or any excipient contained in the drug or vehicle formulation for MGA271 or ipilimumab.

Administrative Information
NCTIDNCT02381314
Responsible Party,
SponsorMacroGenics
Verification DateApril 2017
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