Asthenia (15 of 23, 65.2%), neutropenia (14 of 23, 60.9%), leukopenia (14 of 23, 60.9%), rash (14 of 23, 60.9%), anemia (12 of 23, 56.5%), and increased alanine aminotransferase (10 of 23, 43.5%) were also common among the patients. The gene discussed is GPT; the disease is Decreased total leukocyte count.