To demonstrate the substantial equivalence (SE) of Pefakit® PiCT® UC (test device, T) to aPTT-SP (Hemosil) (predicate device, P) in determining heparin levels in subjects undergoing heparin therapy in support of a United States Food and Drug Administration (FDA) 510(k) submission.
Standard of Care Study. Objective is to monitor the patients' heparin levels under treatment with continuous unfractionated heparin infusions. Blood samples collections (4 ml) are required routinely. A proportion of this standard sample (leftover plasma) will be used for study purposes. About three samples will be analyzed which are collected within 2 - 4 days. Time points for blood sample collections will be defined by the treating physician according the local standard of care and will be associated exclusively to clinical considerations. Results of the Pefakit® PiCT® UC assay will NOT be used to take therapeutic decisions for study subjects.
Study Type
OBSERVATIONAL
Enrollment
123
University of Oklahoma Health Sciences Center
Oklahoma City, Oklahoma, United States
Deutsche Klinik für Diagnostik
Wiesbaden, Hesse, Germany
Cantonal Hospital -Institue for Clinical Chemistry and hematology
Sankt Gallen, Switzerland, Switzerland
Overall Sensitivity and Specificity of Pefakit and Hemosil.
Sensitivity is the proportion of positive cases identified as positive. Specificity is the proportion of negative cases identified as negative. The Sensitivity and Specificity of Pefakit and Hemosil were calculated for the overall study population and separately for each of the three medical centers. Sensitivity and Specificity of Pefakit and Hemosil were each assessed relative to the reference method (Biophen)
Time frame: within 2 - 4 days
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