Rui Feng1, Eric K Oermann1, Raj Shrivastava1, Ariel Gold1, Brian T Collins2, Douglas Kondziolka3, Sean P Collins4. 1. Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, New York, USA. 2. Department of Radiation Medicine, Georgetown University School of Medicine, Washington, D.C., USA. 3. Department of Neurosurgery, New York University School of Medicine, New York, New York, USA; Department of Radiation Oncology, New York University School of Medicine, New York, New York, USA. 4. Department of Radiation Medicine, Georgetown University School of Medicine, Washington, D.C., USA. Electronic address: spc9@georgetown.edu.
Abstract
BACKGROUND: Melanoma has high propensity to metastasize to the brain. With recent gains in improving patient survival, stereotactic radiosurgery (SRS) may offer an effective and less neurotoxic alternative to whole-brain radiation. In the study, we report on the safety and efficacy of SRS in treating melanoma brain metastases in 87 patients. METHODS: This retrospective multicenter study examined 87 patients with 309 metastases who underwent single-dose or multifractionated SRS for treatment of intracranial metastases from malignant melanoma. RESULTS: A total of 87 patients with a median age of 62 years (26-85) were treated from 2007-2014. Eighty patients (92%) also had extracranial metastases at time of treatment, and 69 patients (79%) had uncontrolled systemic disease. Seventy-nine patients (91%) underwent single-dose fractions, 7 (8%) underwent 3 fractions, and 1 (1%) was treated in 5 fractions. The mean tumor volume (GTV) treated was 1.92 cc. Five patients developed symptoms of acute phase toxicity, and 4 developed late phase toxicity. None had radionecrosis. The median survival was 6 months. The Kaplan-Meier 1-year survival rate was 31%, and the 1-year local control rate was 91%. The 1-year survival rate for BRAF-positive patients was 42%, and for BRAF-negative patients it was 27%. Forty-two patients (48%) had distant intracranial recurrences, and 1-year distant control rate was 32%. CONCLUSIONS: SRS is a safe and effective treatment option for intracranial metastases from malignant melanoma. This paper serves as a reference for what is achievable in the absence of highly effective systemic therapy.
BACKGROUND:Melanoma has high propensity to metastasize to the brain. With recent gains in improving patient survival, stereotactic radiosurgery (SRS) may offer an effective and less neurotoxic alternative to whole-brain radiation. In the study, we report on the safety and efficacy of SRS in treating melanoma brain metastases in 87 patients. METHODS: This retrospective multicenter study examined 87 patients with 309 metastases who underwent single-dose or multifractionated SRS for treatment of intracranial metastases from malignant melanoma. RESULTS: A total of 87 patients with a median age of 62 years (26-85) were treated from 2007-2014. Eighty patients (92%) also had extracranial metastases at time of treatment, and 69 patients (79%) had uncontrolled systemic disease. Seventy-nine patients (91%) underwent single-dose fractions, 7 (8%) underwent 3 fractions, and 1 (1%) was treated in 5 fractions. The mean tumor volume (GTV) treated was 1.92 cc. Five patients developed symptoms of acute phase toxicity, and 4 developed late phase toxicity. None had radionecrosis. The median survival was 6 months. The Kaplan-Meier 1-year survival rate was 31%, and the 1-year local control rate was 91%. The 1-year survival rate for BRAF-positive patients was 42%, and for BRAF-negative patients it was 27%. Forty-two patients (48%) had distant intracranial recurrences, and 1-year distant control rate was 32%. CONCLUSIONS:SRS is a safe and effective treatment option for intracranial metastases from malignant melanoma. This paper serves as a reference for what is achievable in the absence of highly effective systemic therapy.
Authors: Aidan M Burke; Michael Carrasquilla; Walter C Jean; Brian T Collins; Amjad N Anaizi; Michael B Atkins; Geoffrey T Gibney; Sean P Collins Journal: Front Oncol Date: 2022-01-12 Impact factor: 6.244