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An Exercise and Lifestyle Programme for Adults With Vascular Ehlers-Danlos Syndrome: A Feasibility Study

9. Juli 2026 aktualisiert von: Markos Klonizakis, Sheffield Hallam University

Co-Producing and Piloting an Exercise-Based Lifestyle Intervention for Individuals With Vascular Ehlers-Danlos Syndrome (vEDS): A Mixed-Methods Feasibility Study

Vascular Ehlers-Danlos syndrome (vEDS) is a rare, life-threatening connective tissue disorder. People with vEDS have often been advised to limit physical activity, yet the safety and feasibility of structured exercise in this group is poorly understood. This study works with people with vEDS, their families and clinicians to co-design a safe, tailored physical activity programme, then tests it in a 12-week randomised feasibility study comparing the programme with usual care. The aim is to find out whether the intervention and the trial procedures are safe, acceptable and practical, in order to inform a future full-scale trial. Outcomes focus on recruitment, retention, adherence, acceptability and safety, alongside exploratory measures of physical function, quality of life and microvascular health.

Studienübersicht

Status

Noch keine Rekrutierung

Bedingungen

Intervention / Behandlung

Detaillierte Beschreibung

This is a mixed-methods feasibility study delivered across four phases. Phase 1 uses qualitative interviews with people with vEDS, family members and clinicians to understand experiences of physical activity and decision-making under uncertain clinical guidance. Phase 2 uses co-production focus groups to design the exercise-based lifestyle intervention. Phase 3 is a 12-week randomised feasibility trial in which adults with vEDS are randomised to the co-produced intervention or to usual care, assessing feasibility outcomes (recruitment, retention, adherence, data completeness, acceptability and safety) and exploratory clinical measures. Phase 4 uses post-intervention interviews to explore participant experiences and refine the intervention. The registered trial corresponds to the Phase 3 randomised feasibility component; the qualitative phases provide the development and evaluation context.

Studientyp

Interventionell

Einschreibung (Geschätzt)

40

Phase

  • Unzutreffend

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienkontakt

Studieren Sie die Kontaktsicherung

Studienorte

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

  • Erwachsene
  • Älterer Erwachsener

Akzeptiert gesunde Freiwillige

Nein

Beschreibung

Inclusion Criteria:

  • Adults aged 18 years or older
  • Confirmed diagnosis of vascular Ehlers-Danlos syndrome (vEDS)
  • Living in the UK
  • Able to provide informed consent
  • Medically stable, defined as: no arterial dissection, rupture, or other major vEDS-related vascular event within the preceding 6 months; no recent hospitalisation for vEDS complications; and blood pressure considered controlled by their treating clinician
  • Medical clearance from their treating clinician
  • Not pregnant at the time of enrolment

Exclusion Criteria:

  • Major vEDS-related vascular event (arterial dissection or rupture) within the previous 6 months
  • Recent hospitalisation for vEDS complications
  • Blood pressure not controlled by treating clinician
  • Pregnancy at enrolment (participants who become pregnant during the intervention are withdrawn from the exercise component but may continue follow-up data collection if they wish)
  • Unable to provide informed consent

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Sonstiges
  • Zuteilung: Zufällig
  • Interventionsmodell: Parallele Zuordnung
  • Maskierung: Keine (Offenes Etikett)

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Experimental: Intervention
Participants receive a 12-week co-produced, remotely supervised, low-intensity and low-impact exercise-based lifestyle intervention, tailored to individual capacity, with weekly remote monitoring.
Verhalten: Co-designed exercise-based lifestyle intervention
A 12-week individually tailored exercise-based lifestyle programme, co-produced with people with vEDS, delivered remotely with supervision and weekly monitoring. Comprises low-intensity, low-impact aerobic and functional activity progressed to individual capacity, with behavioural support to encourage sustained physical activity.
Kein Eingriff: Usual Care
Participants continue standard NHS medical care and any lifestyle advice from their treating clinicians, with no study intervention.

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Recruitment rate
Zeitfenster: From study start through completion of recruitment, up to 12 months
Proportion of eligible participants who consent to take part, expressed as a monthly recruitment rate.
From study start through completion of recruitment, up to 12 months
Retention rate
Zeitfenster: 12 weeks
Proportion of randomised participants completing the 12-week intervention (progression target ≥80%)
12 weeks
Adherence
Zeitfenster: Over the 12-week intervention period
Proportion of prescribed exercise sessions completed (target ≥60%), assessed by session completion records and device-based monitoring (step count and heart rate via ActiGraph accelerometer
Over the 12-week intervention period
Data completeness
Zeitfenster: Baseline and 12 weeks
Proportion of participants completing outcome measures at baseline and 12 weeks (target ≥75%)
Baseline and 12 weeks
Acceptability
Zeitfenster: 12 weeks
Acceptability assessed via a questionnaire informed by the Theoretical Framework of Acceptability (seven constructs, 5-point Likert scale), supplemented by post-intervention interviews
12 weeks
Adverse events and serious adverse events
Zeitfenster: Throughout the 12-week intervention period
Number, type and severity of adverse events and serious adverse events, reviewed by the independent Data Safety Committee.
Throughout the 12-week intervention period

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Fatigue
Zeitfenster: Baseline and 12 weeks
FACIT-Fatigue Scale (Functional Assessment of Chronic Illness Therapy - Fatigue); score range 0-52; higher scores indicate less fatigue (better outcome)
Baseline and 12 weeks
Anxiety and depression
Zeitfenster: Baseline and 12 weeks
Hospital Anxiety and Depression Scale (HADS); two subscales (anxiety and depression), each scored 0-21; higher scores indicate greater symptom severity (worse outcome)
Baseline and 12 weeks
Health-related quality of life
Zeitfenster: Baseline and 12 weeks
EQ-5D-5L; index value ranging from below 0 to 1, where 1 = full health and higher = better; includes a 0-100 visual analogue scale (higher = better health)
Baseline and 12 weeks
Physical activity
Zeitfenster: Baseline and 12 weeks
International Physical Activity Questionnaire - Short Form; reported as MET-minutes per week; higher values indicate greater physical activity
Baseline and 12 weeks
Lower-limb strength and endurance
Zeitfenster: Baseline and 12 weeks
30-Second Sit-to-Stand Test; number of full sit-to-stand repetitions completed in 30 seconds; higher counts indicate better lower-limb strength and endurance (better outcome)
Baseline and 12 weeks
Sub-maximal aerobic capacity
Zeitfenster: Baseline and 12 weeks
2-Minute Step Test; total number of steps completed in 2 minutes; higher counts indicate better aerobic capacity (better outcome).
Baseline and 12 weeks
Muscle strength
Zeitfenster: Baseline and 12 weeks
Hand grip strength via Jamar handheld dynamometer, recorded in kilograms (best of three attempts per hand); higher values indicate greater muscle strength (better outcome)
Baseline and 12 weeks
Functional mobility
Zeitfenster: Baseline and 12 weeks
Short Physical Performance Battery (SPPB); composite score 0-12 from balance, 4-metre gait speed, and 5-repetition sit-to-stand; higher scores indicate better lower-extremity function (better outcome)
Baseline and 12 weeks
Orthostatic heart rate response
Zeitfenster: Baseline and 12 weeks
Heart rate measured supine and on standing (1, 3, 5 min) to screen for orthostatic intolerance
Baseline and 12 weeks
Orthostatic blood pressure response
Zeitfenster: Baseline and 12 weeks
Blood pressure measured supine and on standing (1, 3, 5 min) to screen for orthostatic hypotension.
Baseline and 12 weeks
Microvascular function
Zeitfenster: Baseline and 12 weeks
Cutaneous vascular conductance via Laser Speckle Contrast Imaging during local thermal hyperaemia. Expressed as cutaneous vascular conductance (perfusion units/mmHg); higher values indicate greater microvascular reactivity
Baseline and 12 weeks

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

Sheffield Hallam University

Ermittler

  • Hauptermittler: Markos Klonizakis, Sheffield Hallam University

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Geschätzt)

1. März 2027

Primärer Abschluss (Geschätzt)

1. Oktober 2027

Studienabschluss (Geschätzt)

17. März 2028

Studienanmeldedaten

Zuerst eingereicht

16. Juni 2026

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

9. Juli 2026

Zuerst gepostet (Tatsächlich)

13. Juli 2026

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

13. Juli 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

9. Juli 2026

Zuletzt verifiziert

1. Juli 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Schlüsselwörter

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

  • IRAS361077
  • 26/NE/0025 (Andere Kennung: REC)

Plan für individuelle Teilnehmerdaten (IPD)

Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?

NEIN

Beschreibung des IPD-Plans

This is a small feasibility study not powered for efficacy. Individual participant data will not be shared. Sheffield Hallam University is the Data Controller; data are pseudonymised, stored securely, and retained in line with UK GDPR and institutional policy. Aggregate findings will be disseminated through open-access publication.

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

Diese Informationen wurden ohne Änderungen direkt von der Website clinicaltrials.gov abgerufen. Wenn Sie Ihre Studiendaten ändern, entfernen oder aktualisieren möchten, wenden Sie sich bitte an register@clinicaltrials.gov. Sobald eine Änderung auf clinicaltrials.gov implementiert wird, wird diese automatisch auch auf unserer Website aktualisiert .

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