Effect of Phlebotomy on Heartrate in Polycythemia Patients
ConditionPolycythemia
Trial statusRecruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
Age18+
SponsorLeiden University Medical Center
About this trial
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.
Eligibility criteria
Qualifiers
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
Disqualifiers
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.
Trial design
Treatments tested in this trial
- phlebotomy
Treatment groups
No treatment groups listed
Sponsors and collaborators
Source ClinicalTrials.gov