N.sup.6 -(hydrazinoiminomethyl)lysine and method of inhibiting n

Details N.sup.6 -(hydrazinoiminomethyl)lysine and method of inhibiting n N.sup.6 -(hydrazinoiminomethyl)lysine and method of inhibiting n

1993-05-04

1995-07-25

Siegel, Alan

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Radical -xh acid, or anhydride, acid halide or salt thereof...

A61K 31195

Patent

active

054362717

ABSTRACT:
Physiologically active N.sup.6 -(hydrazinoiminomethyl)lysine or pharmaceutically acceptable acid addition salt thereof is administered in a nitric oxide synthesis inhibiting amount to a subject in need of such inhibition (e.g., a subject with low blood pressure, e.g., due to sepsis or to therapeutic administration of cytokines, or needing immunosuppressive effect) or is added to a medium containing isolated organs, intact cells, cell homogenates or tissue homogenates in an amount sufficient to inhibit nitric oxide formation to elucide or control the biosynthesis, metabolism or physiological role of nitric oxide. Compared to known nitric oxide synthesis inhibitors, N.sup.6 -(hydrazinoiminomethyl)lysine and its acid addition salts show a greater relative activity toward inducible isoform of nitric oxide synthase than toward constitutive isoform of nitric oxide synthase. N.sup.6 -(hydrazinoiminomethyl)lysine and its pharmaceutically acceptable acid addition salts are substantially less toxic than are N.sup.G -aminoarginine and its pharmaceutically acceptable acid addition salts.

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