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Effect of Phlebotomy on Heartrate in Polycythemia Patients

Recruitingn/aAges 18 Years - anyAllLeiden University Medical Center
NCT05396170 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

Single-centre, observational within-subject design: patients that undergo phlebotomies regularly for polycythemia will be measured continuously by wearables one week before until one week after a phlebotomy, for three phlebotomies.

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📋 Eligibility rules (as published)
Inclusion Criteria: * Patients with polycythaemia, requiring phlebotomy on a regular basis (at least every 4 months) * Subjects aged ≥18 years * In possession of a smartphone * Life expectancy ≥ 3 months Exclusion Criteria: * Poor performance/functional status (Eastern Cooperative Oncology Group system ECOG ≥3) * Participants with known arrhythmias or other significant cardiological conductivity disorders (Paroxysmal atrial fibrillation is allowed) * Hospitalized subjects * Subjects with a pacemaker. * Subjects with a secondary polyglobulia due to eg smoking or other pulmonary issues. * Scheduled oncological treatments or surgery during the study period.
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What it tests

  • phlebotomy
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Where

1 site
LUMC
Leiden, Netherlands
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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