Rapid Treatment of Early Syphilis with Multiple Injections of Mapharsen

Abstract
275 unselected cases of syphilis were treated with repeated injns. of mapharsen. The first series of 134 cases were given a total dose ranging from 1-1.2 g. of mapharsen spread over a period of time, but this method was discontinued because of the death of 2 patients from hemorrhagic encephalitis. Since patients with neuro-syphilis who had been treated with malaria apparently withstood larger doses of mapharsen than did afebrile patients, a new method involving a smaller dosage (0.6-0.84 g.) given every other day with the intervening day left for the injn. of a fever-producing typhoid vaccine. Favorable results were obtained in 86.3% of the cases treated with the larger dosage but only in 76.9% of the 141 cases treated with the combined fever and mapharsen method. However, with the latter method there were no deaths from hemorrhagic encephalitis. Of 6 cases which were shown by follow-up examinations to have persistently positive blood Wassermanns, 1 was retreated and the other 5 allowed to go with no further treatment as the titre was slowly declining.

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