Understanding the Impact of Belzutifan on Treatment Strategies for Patients with VHL

Aileen Arevalo1, Neal Patel2,3, Peter Muraki3

  • 1David Geffen School of Medicine, University of California, Los Angeles, CA, USA.

Insights

Belzutifan

Area of Science:

  • Oncology
  • Genitourinary Cancer
  • Vascular Endothelial Growth Factor Inhibitors

Background:

  • Von Hippel-Lindau (VHL) disease is a genetic disorder associated with increased risk of various cancers, particularly renal cell carcinoma.
  • Recurrent surgical interventions for VHL-associated tumors lead to significant morbidity.
  • Belzutifan, a novel HIF-2α inhibitor, offers a systemic treatment option for VHL disease.

Purpose of the Study:

  • To survey kidney cancer experts in the United States regarding the anticipated utilization of belzutifan for Von Hippel-Lindau disease.
  • To understand expert opinions on treatment indications, initiation, and management strategies with belzutifan.

Main Methods:

  • A survey was developed by the VHL Alliance (VHLA) Clinical Advisory Council.
  • The survey was distributed to kidney cancer providers at VHLA and National Comprehensive Cancer Network (NCCN) centers.
  • Data was collected from 60 respondents (urologists and medical oncologists) across 29 institutions via a secure web-based platform.

Main Results:

  • 98% of experts anticipate belzutifan will significantly alter the VHL treatment landscape.
  • 76% of respondents favor continuous therapy with belzutifan.
  • Significant differences exist in prescribing intent between urologists (38%) and medical oncologists (91%) (P=0.02).

Conclusions:

  • VHL kidney cancer specialists foresee a paradigm shift with belzutifan approval, potentially reducing reliance on surgical management.
  • Expert opinions on initiating belzutifan therapy and managing treatment variations are diverse, highlighting the need for guideline development.
  • Collaborative efforts among experts are crucial for establishing standardized clinical guidelines for belzutifan use in VHL disease.

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