Long-Term Lead Chelation Therapy and Progressive Renal Insufficiency
Urologic Disease
About this trial
This is an interventional treatment trial for Urologic Disease focused on measuring Repeated chelation therapy, Progressive renal insufficiency, Body lead burden, Long-term outcome, Glomerular filtration rate
Eligibility Criteria
Inclusion Criteria: Patients from 18 through 80 years of age who had chronic renal insufficiency were eligible if they had a serum creatinine concentration between 1.5 mg per deciliter (132.6 μmol per liter) and 3.9 mg per deciliter (344.8 μmol per liter), with a decrease in the glomerular filtration rate of less than 5 ml per minute over a period of at least six months Blood pressure less than 140/90 mm Hg A cholesterol level below 240 mg per deciliter Daily protein intake under 1 g per kilogram of body weight No known history of exposure to lead or other heavy metals, and a high-normal body lead burden (between 60 and 600 μg, as measured by EDTA mobilization testing and 72-hour urine collection). Exclusion Criteria: Patients who have renal insufficiency with a potentially reversible cause, such as malignant hypertension, urinary tract infection, hypercalcemia, or drug-induced nephrotoxic effects Systemic diseases, such as connective-tissue diseases or diabetes mellitus Use of drugs that might alter the course of renal disease, such as nonsteroidal anti-inflammatory agents, steroids, or immunosuppressive drugs Rapidly progressive glomerulonephritis or a high level of 24-hour urinary protein excretion (more than 8 g per day) Previous marked exposure to lead and other metals(lead poisoning or occupational exposure) Drug allergies Absence of informed consent.
Sites / Locations
- Chang Gung Memorial Hospital