Expired Study
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Houston, Texas 77030


Purpose:

The purpose of the study is to determine the frequency of allelic variants in TPMT in the Hispanic population and to compare the frequency in the Hispanic population with the Caucasian Population.


Study summary:

Relatively few studies have been performed evaluating the variant allele frequencies in Spanish populations. To date, no studies evaluating the TPMT variant allele frequency in the Hispanic population have been reported. Hispanics are a growing part of the patient population treated in the United States. Characterization of the proportion of patients with variant genotypes in this population is important since Hispanic children represent a significant proportion of children being treated with thiopurines. A single 3 cc heparinized blood sample will be obtained for TPMT genotyping. The sample will be obtained either simultaneously with a clinical sample, at the time of an otherwise medically indicated intravenous catheter placement or scavenged from excess blood remaining following clinical laboratory testing.


Criteria:

Inclusion Criteria: - All Hispanic children and adolescents diagnosed and treated at Texas Children's Cancer Center within the last 5 years for malignant diseases/cancer and non-malignant hematological disorders that necessitate chemotherapy - All Hispanic children and adolescents who will be treated at Texas Children's Center for malignant diseases/cancer and non-malignant hematological disorders that will necessitate chemotherapy. Exclusion Criteria: - Any child or adolescent registering at Texas Children's Cancer Center and not requiring any form of therapy.


NCT ID:

NCT00166647


Primary Contact:

N/A


Backup Contact:

N/A


Location Contact:

Houston, Texas 77030
United States



There is no listed contact information for this specific location.

Site Status: N/A


Data Source: ClinicalTrials.gov

Date Processed: October 09, 2019

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