Significant associations with reduction in BMI at @months following switching were found in two of these genes : with rs@ of the ADRA@A gene ( CC+CG -LSB- -@ kg/m -RSB- vs GG -LSB- -@ kg/m -RSB- , p = @ ) and with rs@ of the MTHFR gene ( AA -LSB- -@ -RSB- vs AC+CC -LSB- -@ -RSB- , p = @ ) .