A Study of Zidovudine in HIV-Infected Patients With Kidney Problems

Status Withdrawn

Clinical Trial Summary

To determine how zidovudine (AZT) for the treatment of HIV infection is metabolized and excreted or eliminated in patients with infected or diseased kidneys. To determine the influence of hemodialysis and establish dose guidelines. AZT is the only antiviral agent with demonstrated effectiveness in patients with severe HIV infection. Persons with HIV infection may have additional health problems, one of which is a diseased kidney due to infection of the kidney, or side effects of therapy. The benefits and risks of AZT in patients with diseased kidneys are unknown. It is hoped that this study will allow further understanding of the metabolism and excretion of AZT in patients with kidney disease. AZT pharmacokinetics will be studied in patients with mild, moderate, and severe renal disorders

Clinical Trial Description

AZT is the only antiviral agent with demonstrated effectiveness in patients with severe HIV infection. Persons with HIV infection may have additional health problems, one of which is a diseased kidney due to infection of the kidney, or side effects of therapy. The benefits and risks of AZT in patients with diseased kidneys are unknown. It is hoped that this study will allow further understanding of the metabolism and excretion of AZT in patients with kidney disease. AZT pharmacokinetics will be studied in patients with mild, moderate, and severe renal disorders. Patients receive AZT by mouth on the first day. After taking the AZT, blood samples are taken from a catheter and several urine samples are collected over a 24-hour period. During this time, patients remain in the hospital for the 24 hours or may choose to go home 12 hours after taking the AZT dose and return for the last blood sample the next morning. Following study day 1, patients receive AZT every 4 hours, including in the middle of the night, and keep a diary of the times they take AZT, as well as of the use of other medications, tobacco, or alcohol. A return appointment is made for 8-15 days later. On that day, patients again receive AZT by mouth, and blood tests and urine samples are again taken. Patients who are receiving hemodialysis participate in 1 additional day of pharmacokinetic studies to be arranged during one hemodialysis session. Patients on Continuous Ambulatory Peritoneal Dialysis (CAPD) are studied separately and do not participate in the procedures for the other groups. AZT is given as a single oral dose at the beginning of the first morning exchange followed by a pharmacokinetic study. Chronic AZT dosing is initiated following the first exchange. After a minimum of 7 days of AZT therapy and a maximum of 14 days the last dose of AZT is administered and a repeat pharmacokinetic study is done. All patients are seen again 1-2 weeks after completing the last pharmacokinetic study. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00000685
Study type	Interventional
Source	National Institute of Allergy and Infectious Diseases (NIAID)
Contact
Status	Withdrawn
Phase	Phase 1
Completion date	February 1990

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