Porphyric Psychosis and Chelation Therapy

  • Henry A. Peters
  • Carl C. Pfeiffer


Since 1954 we have reported frequently on the seeming effectiveness of chelation treatment with ethylenediaminetetraacetate (EDTA) and dimercaptopropanol (BAL) in over two-thirds of the patients suffering from acute, chronic, and mixed porphyria, even when many of these patients were in extremis prior to chelation therapy [1–7], while negative results in isolated cases have also been noted [13]. Intensive screening of neurological and psychiatric patients at University Hospital, Madison, as well as increased awareness of physicians referring patients to this institution has resulted in the identification of almost 100 cases of abnormal porphyrin metabolism since 1953.


Chelation Therapy Phenothiazine Derivative Copper Excretion Acute Intermittent Porphyria Urinary Zinc 
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© Plenum Press Inc. 1962

Authors and Affiliations

  • Henry A. Peters
  • Carl C. Pfeiffer

There are no affiliations available

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