In the study of Chang et al. [27], in addition to atazanavir and indinavir that were classified as causative agents of hyperbilirubinemia, ritonavir, nelfinavir, and troglitazone also had UGT1A1 IC50 values ≤12 μM. The gene discussed is UGT1A1; the disease is Hyperbilirubinemia.