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Virtual Breathing Intervention for Enhancing Asthma-related Quality of Life - A Randomized Controlled Trial (BREATHE)

3. august 2026 opdateret af: Prof. Dr. Andreas Rembert Koczulla

Effectiveness, Feasibility, and Acceptability of a 12-Week Virtual Breathing Training Program to Improve Disease-Specific Quality of Life in Adults With Asthma and Incomplete Symptom Control: A Randomized Controlled Trial

Asthma is a common long-term lung condition that can cause symptoms such as shortness of breath, chest tightness, and anxiety. Even with appropriate medication, about 30-40% of people with asthma do not achieve good symptom control and continue to experience reduced quality of life.

Breathing exercises are recommended as an additional, non-drug treatment for asthma. However, these programs are not widely available outside of rehabilitation clinics, and more scientific evidence is needed, especially for digital formats.

This study aims to investigate whether a 12-week structured breathing training program delivered online can improve asthma-related quality of life in adults whose asthma is not well controlled. Participants will be randomly assigned to either the intervention group or a control group receiving usual care.

The intervention consists of weekly live, group-based breathing sessions led by trained physiotherapists via videoconference, combined with short daily self-practice exercises at home. Participants will also use a simple breathing device to support the exercises. The control group will continue their usual medical care without additional breathing training.

We will assess whether the program improves quality of life, asthma control, and symptoms such as anxiety, stress, and dysfunctional breathing. The study will also evaluate whether the online format is feasible, acceptable, and satisfactory for participants.

The breathing exercises are non-invasive and low risk. The results of this study may help to develop accessible, low-cost, and evidence-based support programs for people with asthma.

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

110

Fase

  • Ikke anvendelig

Kontakter og lokationer

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Studiekontakt

Deltagelseskriterier

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Berettigelseskriterier

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  • Voksen
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Beskrivelse

Inclusion Criteria:

  • Adults aged ≥18 years
  • Asthma bronchiale
  • Partly controlled or uncontrolled asthma according to GINA 2025 criteria
  • Access to internet and compatible smartphone for digital intervention and data collection

Exclusion Criteria:

  • Clinically relevant nasal obstruction (e.g., severe septal deviation, nasal polyps) affecting nasal breathing
  • Current regular use of structured breathing therapy or breathing training devices
  • Participation in another interventional clinical trial that may interfere with outcomes
  • Severe comorbid conditions limiting participation in mild physical or breathing exercise (e.g., unstable cardiovascular disease)
  • Lack of willingness or ability to use required digital tools (video platform, wearable device, smartphone app)

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Sundhedstjenesteforskning
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Enkelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Experimental Group
Virtual Breathing Training Program
A 12-week structured, physiotherapist-led breathing training delivered via weekly live video group sessions combined with daily home-based exercises. The program includes breathing techniques such as nasal breathing, diaphragmatic breathing, and breathing control strategies. Participants also use a breathing training device to support the exercises.
Aktiv komparator: Usual Care Group
Usual Care
Standard medical care for asthma according to current guidelines without additional breathing training intervention.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change in Asthma-related quality of life (AQLQ)
Tidsramme: Baseline to 12 weeks
Change in disease-specific quality of life measured using the Asthma Quality of Life Questionnaire (AQLQ). The AQLQ is a validated instrument for adults with asthma. Scores range from 1 to 7, with higher scores indicating better quality of life. A change of 0.5 points is considered clinically meaningful.
Baseline to 12 weeks

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change in Asthma Control
Tidsramme: Baseline to 12 weeks (also assessed every 2 weeks)
Change in asthma control measured using the Asthma Control Test (ACT).
Baseline to 12 weeks (also assessed every 2 weeks)
Change in Dysfunctional Breathing Symptoms
Tidsramme: Baseline to 12 weeks
Change in symptoms of dysfunctional breathing measured by the Nijmegen Questionnaire
Baseline to 12 weeks
Change in Physiological parameters (wearable-derived)
Tidsramme: Baseline to 12 weeks
Heart rate, assessed via wearable device.
Baseline to 12 weeks
Change in Physiological parameters (wearable-derived)
Tidsramme: Baseline to 12 weeks
Heart rate variability, assessed via wearable device.
Baseline to 12 weeks
Change in Physical Performance
Tidsramme: Baseline and 12 weeks
Change in physical performance assessed using the 1-minute sit-to-stand test.
Baseline and 12 weeks
Participant Satisfaction
Tidsramme: At 12 weeks
Participant-reported satisfaction with the intervention measured using a study-specific questionnaire (5-point Likert scale).
At 12 weeks
Number of Treatment-related Adverse Events
Tidsramme: Throughout the 12-week study period
Incidence of adverse events including dizziness, discomfort, asthma exacerbations, changes in medication use, and use of rescue medication.
Throughout the 12-week study period
Time to Clinically Meaningful Improvement
Tidsramme: Assessed every 2 weeks up to 12 weeks
Time to first achievement of a clinically meaningful improvement (≥0.5 points) in AQLQ or ACT.
Assessed every 2 weeks up to 12 weeks
Adherence and Engagement
Tidsramme: 12-week intervention period
Attendance at supervised sessions and frequency of home-based breathing exercises (self-reported diary).
12-week intervention period
Change in Psychological outcomes
Tidsramme: Baseline to 12 weeks
Changes in anxiety (GAD-7)
Baseline to 12 weeks
Change in Psychological outcomes
Tidsramme: Baseline to 12 weeks
Changes in depression (PHQ-9)
Baseline to 12 weeks
Change in Psychological outcomes
Tidsramme: Baseline to 12 weeks
Changes in perceived stress (PSS) scores.
Baseline to 12 weeks
Change in Physiological parameters (wearable-derived)
Tidsramme: Baseline to 12 weeks
Respiratory rate, assessed via wearable device.
Baseline to 12 weeks
Change in Physiological parameters (wearable-derived)
Tidsramme: Baseline to 12 weeks
Sleep duration, assessed via wearable device.
Baseline to 12 weeks
Change in Physiological parameters (wearable-derived)
Tidsramme: Baseline to 12 weeks
Daily physical activity (step count), assessed via wearable device.
Baseline to 12 weeks

Samarbejdspartnere og efterforskere

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Samarbejdspartnere

Datoer for undersøgelser

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Studer store datoer

Studiestart (Anslået)

1. august 2026

Primær færdiggørelse (Anslået)

1. juli 2027

Studieafslutning (Anslået)

1. oktober 2027

Datoer for studieregistrering

Først indsendt

6. maj 2026

Først indsendt, der opfyldte QC-kriterier

3. august 2026

Først opslået (Faktiske)

7. august 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

7. august 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

3. august 2026

Sidst verificeret

1. maj 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • BREATHE

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