PheCheck™ is an investigational device currently in clinical study. It has not been cleared or approved by the FDA and is not available for sale. Participation in the clinical study is limited to enrolled sites.
At-Home Metabolic Monitoring, Designed for PKU
Aptatek is building HomeCheck™, an aptamer-based sensing platform for home biomarker testing. PheCheck™ is its first investigational application, designed to bring phenylalanine monitoring closer to everyday care.
PKU doesn't take days off.
Your test results shouldn't either.
For many people living with PKU, monitoring still depends on fragmented workflows, mailed samples, and delayed visibility. Aptatek is building a simpler path to more timely phenylalanine insight from home.
"By the time I get my results, I've already been making dietary decisions blind for a week."
"A same-day answer would change everything about how we parent."
"I think about my Phe levels multiple times a week, but test only once a month."
Source: Aptatek patient engagement survey on home blood Phe testing, conducted through the National PKU Alliance (NPKUA)
How PheCheck Works
PheCheck is an investigational handheld system designed to measure phenylalanine from a fingerstick sample in minutes.
No lab visit. No mail-in kit. No waiting days for results.
When cleared, PheCheck is designed to connect with a smartphone app and support sharing with the care team between visits.
Step 1: Fingerstick
Collect a small blood sample.
Step 2: Insert cartridge
Place the single-use cartridge into the reader.
Step 3: View results
See quantitative Phe results in the app within minutes.
Step 4: Share with care team
Share results and trends between visits.
Built on established molecular sensing research and ongoing clinical evaluation.
At-home
Designed for PKU monitoring anywhere.
10+
Small molecules analytically validated on the aptamer platform.
1,065
Surveyed PKU patients and caregivers responded in 48 hours.
~20 min
vs. 5-10 days for traditional lab turnaround
Whether you're living with PKU, treating it, or building around it, PheCheck changes the picture.
Patients & Families
More timely Phe insights from home.
Providers
Better visibility between clinic visits.
Partners
A platform for PKU market access.
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Patients & Families
More timely Phe insights from home.
Providers
Better visibility between clinic visits.
Partners
A platform for PKU monitoring, therapeutic optimization, and future metabolic applications.
PKU is the first application. HomeCheck™ is the platform.
PheCheck is Aptatek’s first investigational program built on the HomeCheck aptamer-based sensing platform, designed to support future biomarker applications over time.
