Exercise Training in Patients With Myeloproliferative Neoplasms

Condition(s) studied

Investigational drug(s) / intervention(s)

Exercise Training: The intervention includes structured and tailored physical training with individual feedback and adjustments to training frequency, intensity, time and content for a total duration of 3 months. Daily activity is monitored using a wearable activity device (Vivoactive 5, Garmin, Olathe, Kansas, USA). An individual training plan includes moderate endurance and strength exercises usually 3 times a week, with the goal of being physically active for at least 150 minutes per week. Participants receive feedback at least every second week via telemonitoring or in person, depending on their distance from the study center. To avoid overexertion, training is monitored by measuring heart rate and providing individual feedback for adjustments if neccesary.

Study summary

The investigators will investigate the response of an individualized exercise training program on quality of life, cardiorespiratory fitness and disease-specific markers in patients with myeloproliferative neoplasms (MPN). To this end, the investigators will randomly assign patients with MPN to a training group and a waiting control group.

The training group will undergo an individually tailored exercise training program for three months, while the control group will maintain their usual lifestyle for three months and then has the opportunity to undergo the three-month intervention program. At the beginning and at the end of the three-month intervention phase, the investigators will evaluate physical performance, daily physical activity, muscular strength, and self-reported outcomes and compare them between the training and the control group, in order to assess potential benefits of the exercise training program.

Eligibility

Primary outcome measure(s)

• Change in power output (in watt) at the respiratory compensation point (RCP) — From baseline to the end of the intervention period at 3 months
  During an incremental exercise test on a bicycle ergometer power output and gas exchange will be measured continuously. Afterwards the RCP (also known as second ventilatory threshold) will be assessed based on the inflection point of the slopes of the tidal volume (VE) and the carbon dioxide output (VCO2).

Trial sites (2)

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