Gadolinium Retention in Human Bone Tissue in Pediatric Patients

Status Recruiting

Clinical Trial Summary

The purpose of this study is to compare contrast agents, Dotarem or MultiHance. The study will test to see how much of these two contrast agents are deposited in the bones or tissues of pediatric patients. The patients receiving contrast will then be compared against pediatric patients who have not received any contrast prior to cardiac surgeries.

Clinical Trial Description

When injected into the body, gadolinium contrast medium makes certain tissues, abnormalities or disease processes more clearly visible on a magnetic resonance imaging (MRI) scans and therefore gadolinium based contrast agents (GBCAs) are widely used in medical imaging. Recently, new evidence suggests that following GBCA administration, gadolinium can be deposited in body tissues even in the presence of normal renal function. Therefore, it is essential to ensure that significant accumulation of free Gd3+ is not occurring in the bones of children undergoing clinical contrasted MRI scans. This is particularly important for those pediatric patients who will undergo multiple repeated MRI exams throughout their lifetime and thereby be exposed to a large cumulative dose of gadolinium contrast. As the differences in stability between the various GBCAs may be a factor in gadolinium exposure, the primary objective of this study is to assess gadolinium deposition in the bones of pediatric patients in two patient groups: 1. patients who received IV administration of gadolinium contrast agent (Dotarem) and 2. patients who received IV administration of gadolinium contrast agent (MultiHance). Once acquired the samples will be analyzed at an off-site facility, National Institute of Standards and Technology (NIST), using standardized equipment which has been certified for measuring gadolinium concentration in contrast agent samples. A signed agreement for the transfer of non-proprietary biological material between MUSC and NIST covers the transfer of the samples. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03337594
Study type	Observational
Source	Medical University of South Carolina
Contact	Sam Bidwell
Phone	(843)792-1930
Email	bidwells@musc.edu
Status	Recruiting
Phase
Start date	October 1, 2017
Completion date	July 2024

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.