Clinical Trial: Safety and Efficacy of Intravenous Magnesium Sulfate in Modulating Changes in Symptoms and Divalent Cation Levels Associated With Foscavir Therapy: A Phase IV Randomized, Double-Blind, Placebo-Controlled, Cross-Over, Pilot Study

Study Status: Completed
Recruit Status: Completed
Study Type: Interventional

Official Title: Safety and Efficacy of Intravenous Magnesium Sulfate in Modulating Changes in Symptoms and Divalent Cation Levels Associated With Foscavir Therapy: A Phase IV Randomized, Double-Blind, Placebo-Control

Brief Summary: To determine whether acute ionized hypomagnesemia and hypocalcemia immediately following foscarnet infusions can be lessened or eliminated by prior infusion of magnesium sulfate. To determine whether reductions in ionized magnesium, ionized calcium, and parathyroid hormone levels following foscarnet infusions are lessened by preinfusion of magnesium sulfate. To evaluate the safety of intravenous magnesium sulfate prior to foscarnet infusion by monitoring blood pressure, heart rate, and heart rhythm. To characterize the effect of magnesium sulfate on foscarnet blood levels and urinary excretion of calcium, magnesium, phosphate, and foscarnet.

Detailed Summary: Patients are randomized to one of four treatment groups. Intravenous foscarnet is administered for 4 days. Patients receive one of three doses of magnesium sulfate or placebo in normal saline according to one of four schedules. Sequence of doses will differ for each group.
Sponsor: Astra USA

Current Primary Outcome:

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Original Secondary Outcome:

Information By: NIH AIDS Clinical Trials Information Service

Dates:
Date Received: November 2, 1999
Date Started:
Date Completion:
Last Updated: June 23, 2005
Last Verified: January 1997