• GSTM1 - (Null variant): Nausea, rash, amenorrhea, diarrhea, neutropenia, infection (OR = 3.345; 95% CI = 1.064–10.577; p = 0.039)• GSTP1 c.313A>G (rs1695): Independent factor of poor renal outcome (OR = 5.011; 95% CI = 1.025–24.510; p = 0.047)• GSTT1 - (Null variant): No association. The gene discussed is GSTM1; the disease is neutropenia.