Variant Gene Risk Allele Score vda Association Type Original DB Sentence supporting the association PMID PMID Year
dbSNP: rs4680
rs4680
0.030 GeneticVariation BEFREE COMT Val158Met Polymorphism and Symptom Improvement Following a Cognitively Focused Intervention for Irritable Bowel Syndrome. 28252569

2017

dbSNP: rs4680
rs4680
0.030 GeneticVariation BEFREE In a regression model, the number of methionine alleles in COMT val158met was linearly related to placebo response as measured by changes in IBS-SSS (p = .035). 23110189

2012

dbSNP: rs4680
rs4680
0.030 GeneticVariation BEFREE In this study we found an association between the val/val genotype of the val158met COMT gene and IBS as well as to specific IBS related bowel pattern in IBS patients. 21437260

2011