Journal of neuro-oncology · 2023
Durable tumor regression and restoration of neurologic function after treatment with anti-PD-1 in patients with functionally unresectable cutaneous squamous cell carcinoma with perineural spread into the cavernous sinus.
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Carey Andrew R, Warrier Govind, Hoang Jenny K, Schollenberger Megan D, Lipson Evan J, Mahoney Nicholas R
Аннотация
PURPOSE: To describe tumor response and cranial nerve function outcomes after administration of anti-PD-1 to patients with cutaneous squamous cell carcinoma (CSCC) with perineural spread to cranial nerves (CN) extending into the cavernous sinus.
METHODS: Electronic patient records from a single institution were queried for patients with CSCC of the head and neck causing diplopia (ICD-10 H53.2) who were treated with anti-PD-1. Data extracted included demographics, duration of anti-PD-1 therapy, immune-mediated adverse reactions, tumor response per adapted RECIST v1.1, and changes in CN function and symptoms (e.g., pain). All patients were prescribed cemiplimab 350 mg IV q3 weeks.
RESULTS: Four patients met inclusion criteria. They had varying degrees of pain and sensory deficits in branches of the trigeminal nerve (CN V). One, 2, 3 and 1 patients had baseline involvement of CN III, IV, VI and VII, respectively. MRI confirmed perineural cavernous sinus involvement in all patients. Duration of anti-PD-1 therapy ranged 15-60 weeks. All patients experienced an objective anti-tumor response to anti-PD-1; partial response n = 2, complete response n = 2. At a median follow-up of 22 months, responses were ongoing in all patients. All patients demonstrated improvement in ocular motility deficits and pain with resolution of symptoms in 3 and 1 patients, respectively.
CONCLUSION: Administration of anti-PD-1 to patients with CSCC with perineural spread into the cavernous sinus can generate durable anti-tumor regressions and restore CN function, while sparing the morbidity associated with surgical resection and/or radiotherapy. Our findings add to emerging literature supporting this treatment approach for this patient population.
METHODS: Electronic patient records from a single institution were queried for patients with CSCC of the head and neck causing diplopia (ICD-10 H53.2) who were treated with anti-PD-1. Data extracted included demographics, duration of anti-PD-1 therapy, immune-mediated adverse reactions, tumor response per adapted RECIST v1.1, and changes in CN function and symptoms (e.g., pain). All patients were prescribed cemiplimab 350 mg IV q3 weeks.
RESULTS: Four patients met inclusion criteria. They had varying degrees of pain and sensory deficits in branches of the trigeminal nerve (CN V). One, 2, 3 and 1 patients had baseline involvement of CN III, IV, VI and VII, respectively. MRI confirmed perineural cavernous sinus involvement in all patients. Duration of anti-PD-1 therapy ranged 15-60 weeks. All patients experienced an objective anti-tumor response to anti-PD-1; partial response n = 2, complete response n = 2. At a median follow-up of 22 months, responses were ongoing in all patients. All patients demonstrated improvement in ocular motility deficits and pain with resolution of symptoms in 3 and 1 patients, respectively.
CONCLUSION: Administration of anti-PD-1 to patients with CSCC with perineural spread into the cavernous sinus can generate durable anti-tumor regressions and restore CN function, while sparing the morbidity associated with surgical resection and/or radiotherapy. Our findings add to emerging literature supporting this treatment approach for this patient population.