Other marked clinical laboratory abnormalities (Grade 3 or 4) reported in ≥ 2% of patients receiving regimens containing REYATAZ and one or more NRTIs included: elevated creatine kinase (7%), elevated alanine aminotransferase/ serum glutamic-pyruvic transaminase (ALT/ SGPT) (4%), low neutrophils (4%), elevated aspartate aminotransferase/ serum glutamic-oxaloacetic transaminase (AST/ SGOT) (3%), and elevated lipase (2%).