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Original Article
S-1–Induced Lacrimal Drainage Obstruction and Its Association with Ingredients/Metabolites of S-1 in Tears and Plasma: A Prospective Multi-institutional Study
Namju Kim, Jin Won Kim, Je-Hyun Baek, Jin-Soo Kim, Ho-Kyung Choung, Tae-Yong Kim, Kyung-Hun Lee, Yung-Jue Bang, Sang In Khwarg, Sang-Hoon Ahn, Do Joong Park, Hyung-Ho Kim, Jae-Yong Chung, Soyeon Ahn, Keun-Wook Lee
Cancer Res Treat. 2018;50(1):30-39.   Published online February 27, 2017
DOI: https://doi.org/10.4143/crt.2016.569
AbstractAbstract PDFSupplementary MaterialPubReaderePub
Purpose
This prospective study was conducted to determine the incidence of lacrimal drainage obstruction (LDO) during S-1 chemotherapy and evaluate the association between the development of LDO and the concentrations of ingredients/metabolites of S-1 in tears and plasma.
Materials and Methods
A total of 145 patients with gastric cancer who received adjuvant S-1 therapy were enrolled. Ophthalmologic examinations were performed regularly during S-1 chemotherapy. Concentrations of tegafur, 5-chloro-2,4-dihydroxypyridine (CDHP), and 5-fluorouracil at steady-state trough level were measured in both tears and plasma.
Results
Fifty-three patients (37%) developed LDO. The median time to the onset of LDO was 10.9 weeks, and LDO developed most frequently in the nasolacrimal duct. Univariable analyses revealed that an older age (≥ 70 years), creatinine clearance rate (Ccr) < 80 mL/min, 5-fluorouracil concentration in plasma ≥ 22.3 ng/mL (median), CDHP concentration in plasma ≥ 42.0 ng/mL (median), and tegafur concentration in tears ≥ 479.2 ng/mL (median) were related to increased development of LDO. Multivariable analysis indicated that a high plasma 5-fluorouracil concentration was predictive of increased development of LDO (hazard ratio, 2.02; p=0.040), along with older age and decreased Ccr. Patients with LDO also developed S-1–related non-hematologic toxicity more frequently than those without LDO (p=0.016).
Conclusion
LDO is a frequent adverse event during S-1 chemotherapy. An older age, decreased Ccr, and high plasma 5-fluorouracil concentration were found to be independent risk factors for LDO. The high incidence of LDO warrants regular ophthalmologic examination and early intervention in patients receiving S-1 therapy.

Citations

Citations to this article as recorded by  
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    Minsu Kang, Jin Won Kim, Ju Hyun Lee, Lyoung Hyo Kim, Woochan Park, So Hyun Kang, Young Suk Park, Ji-Won Kim, Hyeon Jeong Oh, Sang-Hoon Ahn, Yun-Suhk Suh, Do Joong Park, Hye Seung Lee, Hyung-Ho Kim, Keun-Wook Lee
    Scientific Reports.2026;[Epub]     CrossRef
  • Ocular complication induced by anticancer drug S-1: association with drug concentrations in tears
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    Japanese Journal of Ophthalmology.2025; 69(3): 447.     CrossRef
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  • Comparing Analyte Concentrations in Paired Tear Fluid and Blood Samples
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    Transboundary and Emerging Diseases.2024;[Epub]     CrossRef
  • Nasolacrimal Duct Obstruction in the Patients Receiving Treatment for Cancer
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    International Ophthalmology Clinics.2023; 63(3): 137.     CrossRef
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    Revista Brasileira de Oftalmologia.2022;[Epub]     CrossRef
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  • Corneal nerve changes following treatment with neurotoxic anticancer drugs
    Jeremy Chung Bo Chiang, David Goldstein, Susanna B. Park, Arun V. Krishnan, Maria Markoulli
    The Ocular Surface.2021; 21: 221.     CrossRef
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    The Ocular Surface.2020; 18(3): 403.     CrossRef
  • Pharmacokinetics of S-1 monotherapy in plasma and in tears for gastric cancer patients
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    International Journal of Clinical Oncology.2019; 24(6): 660.     CrossRef
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