Aptatek BioSciences, Inc
The goal of this observational study is to evaluate the performance of the PheCheck™ test for the rapid detection of phenylalanine (Phe) from a fingerstick sample, in patients 1 year or older with phenylketonuria (PKU) or hyperphenylalaninemia. The main objective is comparing the concentration of phenylalanine (Phe) in capillary blood with the reference method (DBS).
The primary objective of this study is to evaluate the performance of the PheCheck™ test for the rapid, quantitative detection of phenylalanine (Phe) direct from a capillary (fingerstick) sample. Results will be compared to reference testing from Dried Blood Spot Cards (DBS). The PheCheck™ test performs a quantitative determination of phenylalanine in a self-collected or parent/guardian-collected capillary blood sample. The analysis will evaluate the performance of the analyte concentration of phenylalanine in prospectively collected samples self-collected and tested by patients with PKU, me…
Inclusion Criteria: * 1 year or older and able to have a fingerstick blood collected * Being monitored for Phenylketonuria (classical PKU, mild PKU, variant PKU, or hyperphenylalaninemia) * Signed informed consent Exclusion Criteria: * Previous enrollment in the study and has completed 3 study visits * Inability to read and understand instructions
Quantitative, single-use, rapid test Intended for home-based self-testing and monitoring of PKU. 1 fingerstick specimen collected at each study visit Sample read using an electronic reader. Results available within 1 hour
Laboratory-based reference method 1 fingerstick specimen at each study visit to collect 5 samples to fill 5 spots on the card. Card sent to a laboratory, results available within 72 hours
Arctuva estimate
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