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Thiopurine Metabolites
(6TGN & 6MMPN)
We offer a service to help assess the
therapeutic levels of active metabolites of the thioguanine drugs azathioprine, 6-mercaptopurine and
6-thioguanine.
Experience from around the world suggests that demand for this
assay will increase. The assay is particularly relevant to determine the
correct treatment regimes in patients who have TPMT heterozygous status who
exhibit a low TPMT enzyme activity.
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Download information leaflet here...
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Test:
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Thiopurine Metabolites
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Laboratory
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Clinical Biochemistry, City Hospital Birmingham
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Specimen Type:
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4ml EDTA
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Storage:
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4oC prior to posting
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Posting Details:
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First class post - our laboratory opens post on a Saturday
so samples sent on Friday should be handled appropriately.
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Posting Address:
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Department of Clinical Biochemistry, City Hospital, Dudley
Road, Birmingham B18 7QH
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Clinical Use:
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Assessment of the
therapeutic levels of thioguainine drugs that are being achieved. Of particular use in patients
who are heterozygous for the TPMT enzyme where reduced dose regimes are
being used or where it is unclear that therapeutic levels are being
achieved.
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Special Details:
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It is suggested that the level of 6-TGNs is checked 4 weeks after
commencing/changing the
thiopurine drug dose as by this time steady state levels should have been
achieved. Time of sampling need not be related to the time of administration of the parent drug.
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Cost:
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£32
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Turnaround:
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2 working days, with PDF reporting available
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External QA Scheme:
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In house QC at present with
external QA under development
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CPA Accredited Lab/Test:
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Full Accreditation
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Website:
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www.cityassays.org.uk
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Contact:
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Email:
info@cityassays.org.uk
Tel: 0121 507 5345
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