Consolidative use of radiotherapy to block oligoprogression in patients with metastatic melanoma on Systemic Therapy (CURB-Melanoma) - a single arm, phase 2 clinical trial - Summary - MDSpire

Consolidative use of radiotherapy to block oligoprogression in patients with metastatic melanoma on Systemic Therapy (CURB-Melanoma) - a single arm, phase 2 clinical trial

  • By

  • Oded Icht

  • Alexander Sun

  • Philip Wong

  • Andrew McPartlin

  • Thiago Pimentel Muniz

  • Anna Spreafico

  • Samuel D. Saibil

  • J. Nicholas Lukens

  • Sana D Karam

  • John De Almeida

  • Marcus O. Butler

  • C. Jillian Tsai

  • July 6, 2026

  • 0 min

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Objective:

To investigate whether stereotactic body radiation therapy (SBRT) or hypofractionated radiation to oligoprogressive sites can improve progression-free survival (PFS) in metastatic melanoma patients receiving first-line systemic therapy.

Approach:
  • Exploratory Analyses: Serial blood samples will be collected for analyses of circulating tumor DNA (ctDNA), mutant allele fraction, and immune profiling.
Key Findings:
  • Oligoprogression is defined as progression at limited sites while the majority of disease remains stable.
  • Prospective data supporting SBRT for oligoprogressive cancers are limited, especially in metastatic melanoma.
  • The trial aims to enroll 52 patients over 12 months with an additional 24 months of follow-up.
Interpretation:

Limitations:
  • The study is limited to a single-arm design, which may affect the generalizability of results.
  • No prior trials have specifically evaluated SBRT in oligoprogressive melanoma.
Conclusion:

The CURB-Melanoma trial is designed to assess the efficacy of SBRT in extending PFS in patients with oligoprogressive metastatic melanoma.

Sources:

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