Durable stable disease and immune activation in metastatic uveal melanoma treated with tebentafusp: case report - Report - MDSpire

Durable stable disease and immune activation in metastatic uveal melanoma treated with tebentafusp: case report

  • By

  • Parham Habibzadeh

  • Anushri Kulkarni

  • Drew Hurd

  • Amy Rose

  • Danielle Bednarz

  • Yana G. Najjar

  • John M. Kirkwood

  • Arivarasan Karunamurthy

  • Diwakar Davar

  • July 2, 2026

  • 0 min

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Clinical Report: Sustained stable disease and immune response in mUM patient

Overview

This case study describes a patient with metastatic uveal melanoma (mUM) who achieved durable stable disease after over two years of treatment with tebentafusp. Autopsy findings revealed extensive tumor necrosis and immune cell infiltration.

Background

Metastatic uveal melanoma is a rare and aggressive cancer with limited treatment options and a median survival of less than 12 months. Tebentafusp, an ImmTAC targeting gp100, has shown an overall survival benefit in clinical trials.

Data Highlights

No numerical data or trial data presented in the article.

Key Findings

  • The patient achieved durable stable disease on imaging after over 37 cycles of tebentafusp.
  • Autopsy revealed extensive tumor necrosis and minimal viable tumor cells in liver lesions.
  • Histological evaluation showed robust immune cell infiltration.
  • The patient suffered sudden cardiac death due to acute myocardial infarction unrelated to tebentafusp treatment.

Clinical Implications

This case emphasizes the importance of integrated clinical, pathologic, and imaging evaluations in assessing treatment response in mUM.

Conclusion

The case highlights the immune responses in metastatic uveal melanoma.

Related Resources & Content

  1. Frontiers in Medicine, 2026 -- Clinical outcomes of tebentafusp in metastatic uveal melanoma: a systematic review and single-arm meta-analysis
  2. The ASCO Post, 2021 -- Overall Survival With the Bispecific Fusion Protein Tebentafusp for Metastatic Uveal Melanoma KEY POINTS
  3. The ASCO Post, 2022 -- ASCO Guideline Update for Systemic Melanoma Therapy Addresses New Treatment Option for Uveal Melanoma
  4. Retinal Physician, 2023 -- New Treatments for Ocular Melanoma
  5. Uveal melanoma: ESMO–EURACAN Clinical Practice Guideline for diagnosis, treatment and follow-up - ScienceDirect, 2026
  6. Overall Survival Benefit with Tebentafusp in Metastatic Uveal Melanoma | New England Journal of Medicine
  7. KIMMTRAK (tebentafusp-tebn) Highlights of Prescribing Information
  8. Retinal Physician — New Treatments for Ocular Melanoma
  9. Uveal melanoma: ESMO–EURACAN Clinical Practice Guideline for diagnosis, treatment and follow-up - ScienceDirect
  10. Overall Survival Benefit with Tebentafusp in Metastatic Uveal Melanoma | New England Journal of Medicine
  11. KIMMTRAK (tebentafusp-tebn) Highlights of Prescribing Information

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