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Chelation therapy in cardiovascular disease: an update.
Sulaiman Sultan1, Shishir Murarka2, Ahad Jahangir3
1a Center for Integrative Research on Cardiovascular Aging and Aurora Cardiovascular Services, Aurora Cardiovascular Services, Aurora Sinai/Aurora St. Luke's Medical Centers , University of Wisconsin School of Medicine and Public Health , Milwaukee , WI , USA.
Chelation therapy using disodium edetate (EDTA) lacks sufficient evidence for cardiovascular disease prevention. While some studies show promise, particularly in post-MI diabetic patients, routine use is not recommended due to inadequate proof and potential harm.
Area of Science:
- Cardiology
- Clinical Trials
- Evidence-Based Medicine
Background:
- Off-label use of disodium edetate (EDTA) for cardiovascular disease (CVD) prevention is common, despite limited FDA approval and evidence.
- Renewed interest in chelation therapy follows the Trial to Assess Chelation Therapy (TACT) for patients post-myocardial infarction (MI).
Purpose of the Study:
- To review evidence from observational studies and randomized controlled trials (RCTs) on chelation therapy's effects on cardiovascular outcomes.
- To assess potential adverse effects and harms associated with chelation therapy.
Main Methods:
- Narrative review of existing literature.
- Analysis of data from observational studies and RCTs, including the TACT trial.
Main Results:
- Encouraging results were observed in the TACT trial, particularly for the post-MI diabetic subgroup.
- Current evidence remains insufficient to support the routine recommendation of chelation therapy for CVD, even in specific subgroups.
Conclusions:
- Avoid unsubstantiated claims regarding chelation therapy for atherosclerosis.
- Patients should be informed about the inadequate evidence for efficacy and potential risks, especially if used instead of proven treatments.
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