Impact of Face Masks on 6MWD in Patients With Pulmonary Hypertension

Status Completed

Clinical Trial Summary

Pulmonary hypertension (PH) is classified according to the Nice Classification into different etiologies, including pulmonary arterial hypertension (PAH), a disease of the pulmonary arteriolar vasculature (Class I), and forms of pulmonary hypertension associated with left heart disease (Class II), lung disease (Class III), pulmonary artery obstructions including chronic pulmonary embolism (Class IV) or other less common causes (Class V). Patients with PH are at risk in the current COVID 19 pandemic. The course of the disease and the prognosis of the patients are assessed on the basis of various parameters and therapy is adapted accordingly. In addition to clinical, echocardiographic and laboratory examinations, cardiopulmonary performance tests such as the 6-minute walking distance (6MWD) are of particular significance. According to the ESC/ERS guidelines for PH and the recommendations of the Cologne Consensus Conference, exercise performance is a central criterion for prognostication and treatment decisions. During the COVID-19 pandemic, hospitals require the constant use of face masks for patients, in most cases also during the 6 minute walking test. We suspect a performance-reducing effect of face masks, thus impacting the results of the 6MWD. A systematic error in the assessment of cardiopulmonary performance should be revealed by comparing the results of the 6MWD with and without mask (particularly surgical mask and FFP2 mask).

Clinical Trial Description

Monocentric, prospective, randomized cross-over study in approximately 120 patients with PH (n=60 for surgical face mask versus no mask; n=60 for FFP2 mask vs. no mask) to evaluate the impact of face masks on 6MWD, Borg dyspnea score, and O2 saturation pre- versus post exercise. Patients are randomized to perform the test with vs. without mask first, and then cross over to the respective other condition. The primary endpoint is the intra-individual difference in 6MWD with and without mask (analyzed for the whole study group, and for surgical mask and FFP2 mask seperately). Secondary endpoints include differences in Borg score, and O2 saturation. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05256082
Study type	Interventional
Source	University Hospital of Cologne
Contact
Status	Completed
Phase	N/A
Start date	November 15, 2020
Completion date	March 31, 2022

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.