Iron-deficiency Clinical Trial
Official title:
Diagnostic of Iron Deficiency by Means of Non Invasive Measurement of Zink Protoporphyrin IX
ZnPP is being build in the case of a functional iron deficiency. Zinc instead of iron is implemented into protoporphyrin IX. This ZincProtoporphyrin (ZnPP) can be detected non invasively. Non invasive and invasive optical measurement of ZnPP will be compared. Additionally ZnPP measurements will be compared to other iron deficiency parameters for validation by the investigators.
Zinc-protoporphyrin (ZnPP) will be measured by a fluorescence technique. Restricted wave
light (407/425 nm) is used to detect ZnPP in the bloodstream non-invasively through the oral
mucosa. The spectroscopic measurements are translated into a ZnPP value (mumol/mol heme).
The non-invasive measurement of ZnPP is validated and compared to optical measurement of ZnPP
in whole blood and high performance liquid chromatography (HPLC) measurement of ZnPP in whole
blood.
The ZnPP value is compared to other iron-deficiency parameters: Ferritin, Transferrin
saturation and soluble Transferrin receptor.
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