Evans' research is on the pharmacodynamics and pharmacogenomics of anticancer agents in children, exploring genetic and biochemical mechanisms underlying differences in drug effects among children. Evans has received three consecutive NCI MERIT Awards from the National Institutes of Health for his research of antileukemic agents in children.[4] He has received several national and international awards for his research, including the Leon Goldberg Award in 1991 and the Rawls Palmer Progress in Medicine Award in 2006 from the American Society for Clinical Pharmacology and Therapeutics, the Therapeutic Frontiers Lecture Award in 1989 and the Russell Miller Research Award in 1992 from the American College of Clinical Pharmacy (ACCP) and the Volwiler Research Award in 1994 from the American Association of Colleges of Pharmacy, the Research Achievement Award in 1996 and the Tyler Prize in 2002 from the American Pharmacists Association (APhA). He is an elected fellow of the American Association for the Advancement of Science (AAAS), the American Association of Pharmaceutical Scientists and the ACCP. He has also held elected offices as president of the ACCP (1982) and chair of AAAS’s Pharmaceutical Sciences Section (2009–10). He was elected to the Institute of Medicine of the U.S. National Academy of Sciences in 2002. With citations of his publications ranking among the top one percentile of scientists worldwide in his field, Evans is recognized by ISI as a “Highly Cited Scientist”. He has authored over 300 scientific publications and book chapters.