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Urinary Metal Levels after Repeated Edetate Disodium Infusions: Preliminary Findings

Author

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  • Zenith H. Alam

    (Department of Medicine, Columbia University, Mount Sinai Medical Center, 4300 Alton Road, Miami Beach, FL 33140, USA)

  • Francisco Ujueta

    (Department of Medicine, Columbia University, Mount Sinai Medical Center, 4300 Alton Road, Miami Beach, FL 33140, USA)

  • Ivan A. Arenas

    (Division of Cardiology, Columbia University, Mount Sinai Medical Center, 4300 Alton Road, Miami Beach, FL 33140, USA)

  • Anne E. Nigra

    (Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, 722 West 168th Street, New York, NY 10032, USA)

  • Ana Navas-Acien

    (Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, 722 West 168th Street, New York, NY 10032, USA)

  • Gervasio A. Lamas

    (Department of Medicine, Columbia University, Mount Sinai Medical Center, 4300 Alton Road, Miami Beach, FL 33140, USA
    Division of Cardiology, Columbia University, Mount Sinai Medical Center, 4300 Alton Road, Miami Beach, FL 33140, USA)

Abstract

Environmentally acquired lead and cadmium are associated with increased cardiovascular disease risk. In the Trial to Assess Chelation Therapy, up to 40 infusions with edetate disodium over an approximately one-year period lowered the cardiovascular disease risk in patients with a prior myocardial infarction. We assessed whether a reduction in surrogate measures of total body lead and cadmium, post-edetate disodium urine lead and pre-edetate urine cadmium, could be detected after repeated edetate disodium-based infusions compared to the baseline. Fourteen patients with coronary artery disease received multiple open-label edetate disodium infusions. The urine metals pre- and post-edetate infusion, normalized for urine creatinine, were compared to urine levels pre and post final infusion by a paired t -test. Compared with the pre-edetate values, post-edetate urine lead and cadmium increased by 3581% and 802%, respectively, after the first infusion. Compared to baseline, post-edetate lead decreased by 36% ( p = 0.0004). A reduction in post-edetate urine lead was observed in 84% of the patients after the final infusion. Pre-edetate lead decreased by 60% ( p = 0.003). Pre-edetate lead excretion became undetectable in nearly 40% of patients. This study suggests that edetate disodium-based infusions may decrease the total body burden of lead. However, our data suggest no significant reduction in the body burden of cadmium.

Suggested Citation

  • Zenith H. Alam & Francisco Ujueta & Ivan A. Arenas & Anne E. Nigra & Ana Navas-Acien & Gervasio A. Lamas, 2020. "Urinary Metal Levels after Repeated Edetate Disodium Infusions: Preliminary Findings," IJERPH, MDPI, vol. 17(13), pages 1-9, June.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:13:p:4684-:d:377986
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    References listed on IDEAS

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    1. Giuseppe Genchi & Maria Stefania Sinicropi & Alessia Carocci & Graziantonio Lauria & Alessia Catalano, 2017. "Mercury Exposure and Heart Diseases," IJERPH, MDPI, vol. 14(1), pages 1-13, January.
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