Hematology (Amsterdam, Netherlands) · 2023
Sulfhydryl compound levels are associated with ATO-induced side effects in acute promyelocytic leukemia patients.
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Sui Meijuan, Wei Hong, Shen Xiaohan, Gao Keke, Zhang Zhuo, Zhang Qian
Аннотация
OBJECTIVE: The remarkable effect of arsenic trioxide (ATO) was verified, but side effects are generally observed in acute promyelocytic leukemia (APL) patients, especially leukocytosis and hepatotoxicity. Our aims are to study predictors and reduce ATO-induced side effects without inhibiting efficacy.
METHODS: Sulfhydryl in ATO-treated APL patients was detected by the Spectra Max M5 microplate reader. And patients were divided into high and low sulfhydryl groups according to median sulfhydryl concentration. The onset time of leukocytosis and the peak value of WBC were compared . Correlations between hepatotoxicity indicators and sulfhydryl concentrations were analysed.
RESULTS: The concentration of sulfhydryl before treatment was significantly higher in the high sulfhydryl group. Leukocytosis ((7.0 ± 5.5) vs. (14.6 ± 8.5) day) and the peak value of WBC occurred earlier in the low sulfhydryl group ((10.8 ± 5.9) vs. (19.3 ± 5.5) day) than in the high group, and the peak value was significantly lower in the low sulfhydryl group ((24.04 ± 15.05) × 109/L) than in the high group ((42.95 ± 25.57) × 109/L). The elevated liver enzymes were smaller in the higher sulfhydryl group between time points before treatment and the treatment one week later (ΔALT 66.57 vs. 9.85 U/L, ΔAST 59.52 vs. 17.76 U/L), as between time points before treatment and peak value. There was a negative correlation between sulfhydryl and elevated liver enzymes.
CONCLUSIONS: Higher sulfhydryl compounds contribute to ameliorating ATO-induced leukocytosis and hepatotoxicity in APL patients. The low sulfhydryl before treatment can advance the onset of leukocytosis. For patients with higher sulfhydryl in the early stage, close monitoring of liver enzymes is warranted instead of prophylactic applying any hepatoprotective intervention, to maintain ATO efficacy.
METHODS: Sulfhydryl in ATO-treated APL patients was detected by the Spectra Max M5 microplate reader. And patients were divided into high and low sulfhydryl groups according to median sulfhydryl concentration. The onset time of leukocytosis and the peak value of WBC were compared . Correlations between hepatotoxicity indicators and sulfhydryl concentrations were analysed.
RESULTS: The concentration of sulfhydryl before treatment was significantly higher in the high sulfhydryl group. Leukocytosis ((7.0 ± 5.5) vs. (14.6 ± 8.5) day) and the peak value of WBC occurred earlier in the low sulfhydryl group ((10.8 ± 5.9) vs. (19.3 ± 5.5) day) than in the high group, and the peak value was significantly lower in the low sulfhydryl group ((24.04 ± 15.05) × 109/L) than in the high group ((42.95 ± 25.57) × 109/L). The elevated liver enzymes were smaller in the higher sulfhydryl group between time points before treatment and the treatment one week later (ΔALT 66.57 vs. 9.85 U/L, ΔAST 59.52 vs. 17.76 U/L), as between time points before treatment and peak value. There was a negative correlation between sulfhydryl and elevated liver enzymes.
CONCLUSIONS: Higher sulfhydryl compounds contribute to ameliorating ATO-induced leukocytosis and hepatotoxicity in APL patients. The low sulfhydryl before treatment can advance the onset of leukocytosis. For patients with higher sulfhydryl in the early stage, close monitoring of liver enzymes is warranted instead of prophylactic applying any hepatoprotective intervention, to maintain ATO efficacy.