L-cysteine hydrazide--its pharmacological and immunosuppressive activity.

The authors investigated the immunological and pharmacological activity of l-cysteine hydrazide. It was found, that the preparation exhibited an interesting immunosuppressive and anti-inflammatory effect, which was evoked by the interference of the drug in nucleic acids and by stabilization of the cell membranes. Moreover it diminished the number of T lymphocytes. L-cysteine hydrazide showed no significant side effects. The authors discussed the possibility of its application in clinical therapy.