IT HAS previously been demonstrated that the monoamine oxidase inhibitor, RO 41038 (DL-serine-N2-isopropylhydrazide) is a clinically useful drug in the treatment of arterial hypertension." 2 Furthermore, all the compounds that inhibit monoamine oxidase in vivo are hypotensive in man to a greater or lesser degree.3 Although the precise manner in which the disturbances of catecholamine metabolism...
