Publications by authors named "J A Kessels"

Advances in cancer treatments have significantly improved their effectiveness, yet access to first-line therapies remains limited. A 2017 survey revealed that over 25 % of metastatic melanoma patients in Europe lacked access to recommended therapies. To address this, the European Association of Dermato-Oncology and the European Melanoma Registry conducted a follow-up study on the registration and reimbursement of first-line treatments.

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Background: There are no active treatment options for patients with progressive melanoma brain metastases (MBM) failing immune checkpoint blockade (ICB) and BRAF/MEK inhibitors (BRAF/MEKi). Regorafenib (REGO), an oral multi-kinase inhibitor (incl. RAF-dimer inhibition), can overcome adaptive resistance to BRAF/MEKi in preclinical models.

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Immune checkpoint inhibitors (ICI) can achieve durable responses in patients with advanced melanoma, and results from clinical trials suggest cure may be possible for a subset of patients. Despite clinical trial data, little is known about the risk, character, and clinical outcome of late recurrences after ICI. This study aimed to explore the disease outcomes and survival in a cohort of patients with long-term responses to ICI.

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Introduction: Approximately 50 % of resected stage II-IV melanoma patients develop recurrent disease by 5 years despite adjuvant anti-PD-1 therapy. Data to define best management of recurrences is lacking.

Methods: This was a multicentre, international, retrospective cohort study.

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Clonal MAPK-pathway activating mutations in the gene are present in approximately 9% of cutaneous melanomas. These mutations are divided into three classes: RAF-dependent, RAF-regulated, RAF-independent. Cell lines with class-2 or RAF-regulated -mutations are most responsive to MEK-inhibitors.

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