Association of Genetic Variation in the Catechol-O-Methyl Transferase Gene with Pain and Six Minute Walk Distance in Sickle Cell Anemia Patients From the Walk-PHaSST Study
Zhang Y, Zeng Q, Belfer I, Goel R, Porter M, Chu Y, Barst R, Hassell K, Machado R, Goldsmith J, Gladwin M, Krishnamurti L. Association of Genetic Variation in the Catechol-O-Methyl Transferase Gene with Pain and Six Minute Walk Distance in Sickle Cell Anemia Patients From the Walk-PHaSST Study. Blood 2011, 118: 1075. DOI: 10.1182/blood.v118.21.1075.1075.Peer-Reviewed Original ResearchSickle cell diseaseAcute pain crisisChronic painPain crisisPain phenotypesPain rateSCD painSevere painPain sensitivitySingle nucleotide polymorphismsAG genotype carriersChronic pain ratesSickle cell anemia patientsType of painAfrican American patientsGenetic factorsDescription of painLogistic regression analysisLower pain sensitivityCOMT genetic variantsChi-square testMultinomial logistic regression analysisCatechol-O-methyl transferase (COMT) genePain episodesMild pain