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Medientyp:
E-Artikel
Titel:
Visualization of Keratopathy Associated With the Antibody–Drug Conjugate Belantamab Mafodotin Using Infrared Imaging in Patients With Multiple Myeloma
Beteiligte:
Gallin, Vivian;
Nölle, Bernhard;
Schub, Natalie;
Roider, Johann
Beschreibung:
Purpose: The treatment of patients with relapsed/refractory multiple myeloma (RRMM) with the antibody–drug conjugate belantamab mafodotin is affected by ocular adverse effects, most frequently keratopathy with corneal microcyst-like epithelial changes (MECs). To assess ocular side effects, the “Keratopathy and Visual Acuity (KVA) scale,” based on the extent of keratopathy subjectively graded on slit-lamp examination and the change in best corrected visual acuity from baseline, was created. Advanced corneal imaging techniques have been explored to further characterize MECs and identify objective imaging biomarkers. We examined whether infrared reflectance imaging of the anterior segment (AS-IR) could contribute to the assessment, monitoring, and documentation of corneal toxicity in patients treated with belantamab mafodotin. Methods: In addition to the KVA examination, AS-IR imaging was performed. AS-IR images were evaluated for presence of visible hyporeflective lesions and their spatial and temporal distribution between visits and compared with keratopathy identified on slit-lamp examination. To standardize the assessment, a scoring system for lesions on AS-IR was implemented for additional analysis. Results: Nine patients undergoing treatment with belantamab mafodotin for up to 9 months were examined. All patients exhibited hyporeflective lesions on AS-IR imaging, indicative of corneal toxicity corresponding to MECs observed on slit-lamp examination. AS-IR lesions showed early occurrence, variable quantity and size, and distinct distribution patterns, correlating with clinical findings during treatment. Conclusions: As shown for belantamab mafodotin, AS-IR imaging represents a fast, noninvasive, supplemental method for documentation, monitoring, and assessment of corneal adverse effects during treatment with antibody–drug conjugates, which may enable more standardized analyses.