Management of Dry Eye Toxicity After Treatment With <sup>177</sup>Lu-PSMA-617 Radioligand Therapy.

Pepin, Abigail; Lee, Vivian; O'Brien, Sophia; Mulugeta, Philipose; Taunk, Neil K · Pract Radiat Oncol · 2024

case_report · Level V

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Abstract

Treatment options for patients with metastatic castration-resistant prostate cancer include use of radioligand therapy with 177Lu-PSMA-617. 177Lu-PSMA-617 is used to target prostate cancer cells selectively by targeting prostate specific membrane antigen (PSMA); however, PSMA is also expressed on lacrimal glands among other tissues. Herein, we report on a case of a Common Terminology Criteria for Adverse Events version 5 grade 3 dry eye event with concomitant blepharitis after administration of 177Lu-PSMA-617. The patient was managed with neomycin-polymyxin-dexamethasone 3.5-10000-0.1 ophthalmic suspension, artificial tears, lubricating ointments, lid scrubs, and oral antihistamines.

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