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04 April 2023: Articles

Recurrent Reversible Stroke-Like Encephalopathy After 5-Fluorouracil (5-FU) Chemotherapy: A Case Report and Literature Review

Unusual clinical course, Mistake in diagnosis, Unusual or unexpected effect of treatment, Diagnostic / therapeutic accidents, Unexpected drug reaction, Clinical situation which can not be reproduced for ethical reasons

Kurniawan Agung Yuwono A , Susanna Hilda Hutajulu A , Abdul Gofir B , Dhite Bayu Nugroho B*

DOI: 10.12659/AJCR.938437

Am J Case Rep 2023; 24:e938437

Table 3. Cases of encephalopathy associated with the administration of 5-FU.

ReferenceAuthorPatientRegimen (5-FU dose)Clinical manifestation of encephalopathyLevel ammonia
[]9 Kim, 200668-year old male with anal cancer5-FU (1000 mg/m, continuous infusion, D1-5) and cisplatin (70 mg/m, 2-h infusion, D1), repeated every 4 weeksFifth day, second cycle354 mg/dl (0–64)
[]11 Yi, 201659-year old female stage IIb rectal cancerFOLFOX4 (5FU 400 mg/m2 bolus and 600 mg/m continuous infusion for 22 hours day 1 and 2)Third day, first cycle629 µg/dL (normal range, ∼75 µg/dL)
[]12 Nguyen, 201763-year old male stage III colon cancermFOLFOX6 (5-FU 400 mg/m IV bolus and 5-FU 2400 mg/m 46 h infusion)Second day, first cycleN/A
[]13 Mitani, 20178 of 1175 patient with GI or primary unknown cancer5FU based regimenMedian onset 3 day (range 2–21 day), 27,3% first cycle, 72,7% ≥2 cyclesN/A
[]14 Boilève, 201936-year old female with Gastrointestinal cancer of unknown primaryFOLFIRINOX (oxaliplatin, irinotecan, leucovorin, 5FU) -bevacizumab protocolWithin 48 hours after initiation of 5-FU infusion, first cycle593 µmol/l (normal 10–35 µmol/l)
[]15 Ihoriya, 201864-year old male with pT3N1M0 stage IIIa colon cancer5-FU/folinic acid and oxaliplatin at doses of 1.5 g/m, 75 mg/m, and 85 mg/m222N/A338 μg/dL (30–86 μg/dL)
[]16 Naik, 202043-year old female with adenocarcinoma of colonFOLFOXIRI (irinotecan 165 mg/m, oxaliplatin 85 mg/m, folinic acid 400 mg/m, and 5-FU 400 mg/m bolus on day 1, followed by 5-FU 3200 mg/m by continuous infusion over the next 46 hours)Third day, first cycleN/A
[]4 Boilève, 202030 patients (73% GI tumor, 20% head and neck cancer, 7% breast cancer)FOLFOX (5-FU oxaliplatin leucovorin); FOLFOX (5-FU; leucovorin; oxaliplatin; FOLFIRI (5-FU, irinotecan; leucovorin); LV5-FU (5-FU; leucovorin) FEC, (5-FU; epirubicin; cyclophosphamide) FLOT (5-FU; oxaliplatin; docetaxel)Mean: 2 dayMean 229 umol/L (range 86–378 umol/L)

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American Journal of Case Reports eISSN: 1941-5923
American Journal of Case Reports eISSN: 1941-5923