City of Hope Medical Center
This phase I trial tests the safety and side effects radiotherapy in combination with atezolizumab in treating patients with cutaneous squamous cell cancer that has spread to nearby tissue or lymph nodes (locally advanced) and can be removed from surgery (resectable) or cannot be remove by surgery (unresectable). Stereotactic body radiation therapy uses special equipment to position a patient and deliver radiation to tumors with high precision. This method may kill tumor cells with fewer doses over a shorter period and cause less damage to normal tissue. Immunotherapy with monoclonal antibodies, such as atezolizumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Giving radiotherapy in combination with atezolizumab may help improve outcomes for remission (cancer that is under control) than taking either treatment separately.
PRIMARY OBJECTIVE: I. To determine the safety profile of combination of atezolizumab + radiation therapy (RT) in borderline resectable or unresectable cutaneous squamous cell carcinoma (cSCC). SECONDARY OBJECTIVES: I. Determine pathologic response after neoadjuvant atezolizumab + RT. II. Determine clinical response (via imaging and clinical exam) postoperatively (if surgically resectable) or at post-treatment biopsy (if not surgically resectable), and 3 months following the completion of surgery or RT (if not surgically resectable). III. Define the toxicity profile associated with the trea…
Inclusion Criteria: * Histologically or cytologically confirmed locally advanced borderline resectable or unresectable cSCC and oligometastatic (1-3 sites of metastatic disease) cSCC receiving therapy to the primary * Measurable disease defined as lesions that can be accurately measured in at least one dimension (longest diameter to be recorded) as \> 10 mm with computed tomography (CT) scan or \> 10 mm with calipers by clinical exam by Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 * Written informed consent and any locally-required authorization (e.g., Health Insurance Portabilit…
Given IV
Undergo SBRT
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