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

9 juli 2026 bijgewerkt door: 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.

Studie Overzicht

Toestand

Nog niet aan het werven

Conditie

Interventie / Behandeling

Gedetailleerde beschrijving

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.

Studietype

Ingrijpend

Inschrijving (Geschat)

40

Fase

  • Niet toepasbaar

Contacten en locaties

In dit gedeelte vindt u de contactgegevens van degenen die het onderzoek uitvoeren en informatie over waar dit onderzoek wordt uitgevoerd.

Studiecontact

Studie Contact Back-up

Studie Locaties

Deelname Criteria

Onderzoekers zoeken naar mensen die aan een bepaalde beschrijving voldoen, de zogenaamde geschiktheidscriteria. Enkele voorbeelden van deze criteria zijn iemands algemene gezondheidstoestand of eerdere behandelingen.

Geschiktheidscriteria

Leeftijden die in aanmerking komen voor studie

  • Volwassen
  • Oudere volwassene

Accepteert gezonde vrijwilligers

Nee

Beschrijving

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

Studie plan

Dit gedeelte bevat details van het studieplan, inclusief hoe de studie is opgezet en wat de studie meet.

Hoe is de studie opgezet?

Ontwerpdetails

  • Primair doel: Ander
  • Toewijzing: Gerandomiseerd
  • Interventioneel model: Parallelle opdracht
  • Masker: Geen (open label)

Wapens en interventies

Deelnemersgroep / Arm
Interventie / Behandeling
Experimenteel: 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.
Gedragsmatig: 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.
Geen tussenkomst: Usual Care
Participants continue standard NHS medical care and any lifestyle advice from their treating clinicians, with no study intervention.

Wat meet het onderzoek?

Primaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Recruitment rate
Tijdsspanne: 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
Tijdsspanne: 12 weeks
Proportion of randomised participants completing the 12-week intervention (progression target ≥80%)
12 weeks
Adherence
Tijdsspanne: 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
Tijdsspanne: Baseline and 12 weeks
Proportion of participants completing outcome measures at baseline and 12 weeks (target ≥75%)
Baseline and 12 weeks
Acceptability
Tijdsspanne: 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
Tijdsspanne: 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

Secundaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Fatigue
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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

Medewerkers en onderzoekers

Hier vindt u mensen en organisaties die betrokken zijn bij dit onderzoek.

Sponsor

Sheffield Hallam University

Onderzoekers

  • Hoofdonderzoeker: Markos Klonizakis, Sheffield Hallam University

Studie record data

Deze datums volgen de voortgang van het onderzoeksdossier en de samenvatting van de ingediende resultaten bij ClinicalTrials.gov. Studieverslagen en gerapporteerde resultaten worden beoordeeld door de National Library of Medicine (NLM) om er zeker van te zijn dat ze voldoen aan specifieke kwaliteitscontrolenormen voordat ze op de openbare website worden geplaatst.

Bestudeer belangrijke data

Studie start (Geschat)

1 maart 2027

Primaire voltooiing (Geschat)

1 oktober 2027

Studie voltooiing (Geschat)

17 maart 2028

Studieregistratiedata

Eerst ingediend

16 juni 2026

Eerst ingediend dat voldeed aan de QC-criteria

9 juli 2026

Eerst geplaatst (Werkelijk)

13 juli 2026

Updates van studierecords

Laatste update geplaatst (Werkelijk)

13 juli 2026

Laatste update ingediend die voldeed aan QC-criteria

9 juli 2026

Laatst geverifieerd

1 juli 2026

Meer informatie

Termen gerelateerd aan deze studie

Trefwoorden

Aanvullende relevante MeSH-voorwaarden

Andere studie-ID-nummers

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

Plan Individuele Deelnemersgegevens (IPD)

Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?

NEE

Beschrijving IPD-plan

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.

Informatie over medicijnen en apparaten, studiedocumenten

Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel

Nee

Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct

Nee

Deze informatie is zonder wijzigingen rechtstreeks van de website clinicaltrials.gov gehaald. Als u verzoeken heeft om uw onderzoeksgegevens te wijzigen, te verwijderen of bij te werken, neem dan contact op met register@clinicaltrials.gov. Zodra er een wijziging wordt doorgevoerd op clinicaltrials.gov, wordt deze ook automatisch bijgewerkt op onze website .

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