A tool to predict hemoglobin levels in hemodialysis patients

Hb Scope: A Multi-Center Validation Trial

Observational China Medical University Hospital · NCT05852184

This study is testing a new app that uses your smartphone camera to predict hemoglobin levels in patients on hemodialysis to see if it can help manage their health better.

Quick facts

Study typeObservational
Enrollment504 (estimated)
Ages20 Years to 90 Years
SexAll
SponsorChina Medical University Hospital Academic / other
Locations3 sites (Taichung and 2 other locations)
Trial IDNCT05852184 on ClinicalTrials.gov

What this trial studies

This observational study aims to validate the Hb Scope APP, a novel tool developed to predict real-time hemoglobin levels in patients undergoing maintenance hemodialysis. By utilizing the smartphone camera and machine learning, the app analyzes the color of hemodialysis tubing to provide accurate hemoglobin readings. The study will involve patients from multiple centers who meet specific eligibility criteria, focusing on those receiving regular hemodialysis treatment. The goal is to address the challenges of hemoglobin variability and improve clinical outcomes for end-stage renal disease patients.

Who should consider this trial

Good fit: Ideal candidates for this study are patients aged 20-90 years who are receiving regular maintenance hemodialysis through arteriovenous access.

Not a fit: Patients who do not have a recent hemoglobin level recorded or who are not willing to participate will not benefit from this study.

Why it matters

Potential benefit: If successful, this tool could enhance the management of hemoglobin levels in hemodialysis patients, potentially reducing complications and improving patient outcomes.

How similar studies have performed: While the approach of using smartphone technology for health monitoring is gaining traction, this specific application for predicting hemoglobin levels in hemodialysis patients is novel and has not been extensively tested in prior studies.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients receiving regular maintenance HD in the three participating sites; AND
* Aged 20-90 years old; AND
* Received regular HD through an arteriovenous (AV) fistula or AV graft access; AND
* Use the Fresenius HD machine 4008/4008S and 5008/5008S.

Exclusion Criteria:

* Do not have last Hb level from labs within 1 month prior; OR
* Do not receive blood drawn for the true Hb level or do not have the true Hb level on the date of image taking by Hb Scope APP; OR
* Do not agree to participate.

Where this trial is running

Taichung and 2 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions HemoglobinHemodialysis
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.