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Cardiovascular Autonomic Function After Resistance Training
Effects of 8-Week Resistance Training on Cardiovascular Autonomic Function in Spinal Cord Injury
The purpose of this clinical trial is to evaluate whether an 8-week upper-limb resistance training program improves cardiovascular autonomic function in adults with chronic spinal cord injury (SCI). The primary objectives are to determine whether upper-limb resistance training improves heart rate variability (HRV) and baroreflex sensitivity (BRS), and whether it improves blood pressure responses during postural change, upper-limb strength, symptoms related to orthostatic hypotension, and quality of life.
Participants will be randomly assigned to either the resistance training group or the control group. All participants will complete assessments before and after the 8-week study period, including measurements of HRV, BRS, blood pressure responses during a tilt-table test, hand grip strength, and questionnaires assessing orthostatic hypotension symptoms and quality of life. Participants assigned to the resistance training group will participate in supervised upper-limb resistance training three times per week for 8 weeks.
Studie Overzicht
Toestand
Conditie
Interventie / Behandeling
Gedetailleerde beschrijving
SCI can impair cardiovascular autonomic function by disrupting the neural pathways that regulate heart rate and blood pressure. As a result, many individuals with SCI experience cardiovascular autonomic dysfunction, including orthostatic hypotension, which may increase cardiovascular health risks.
Although exercise is recommended for people with SCI, previous studies have mainly focused on aerobic exercise and have demonstrated inconsistent effects on cardiovascular autonomic function. Upper-limb resistance training is widely used in rehabilitation to improve strength and functional independence, but its effects on autonomic function have not been well established.
This randomized controlled trial will evaluate whether an 8-week upper-limb resistance training program improves cardiovascular autonomic function in adults with chronic SCI. The study will assess changes in HRV and BRS, while also exploring changes in orthostatic blood pressure responses, upper-limb strength, orthostatic hypotension symptoms, and quality of life. The findings may provide evidence supporting upper-limb resistance training as a rehabilitation strategy to improve cardiovascular autonomic function in individuals with chronic SCI.
Studietype
Inschrijving (Geschat)
Fase
- Niet toepasbaar
Contacten en locaties
Studiecontact
- Naam: Dogyu Lee, M.S.
- Telefoonnummer: 055-360-1730
- E-mail: 2doq2doq@gmail.com
Studie Contact Back-up
- Naam: Yuna Kim, B.S.
- Telefoonnummer: 055-360-1730
- E-mail: kyoona1289@gmail.com
Studie Locaties
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Gyeongsangnam-do
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Yangsan, Gyeongsangnam-do, Zuid -Korea, 50612
- Pusan National University Yangsan Hospital
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Contact:
- Dogyu Lee, M.S.
- Telefoonnummer: 055-360-1730
- E-mail: 2doq2doq@gmail.com
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Contact:
- Yuna Kim, B.S.
- Telefoonnummer: 055-360-1730
- E-mail: kyoona1289@gmail.com
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Hoofdonderzoeker:
- Sungchul Huh, MD, PhD
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
- Volwassen
- Oudere volwassene
Accepteert gezonde vrijwilligers
Beschrijving
Inclusion Criteria:
- Provided written informed consent and agreed to participate in the study.
- Adults aged 19 to 85 years.
- Chronic spinal cord injury (SCI) of traumatic or non-traumatic etiology, at least 6 months after injury.
- Cervical or thoracic spinal cord injury.
- Classified as American Spinal Injury Association (ASIA) Impairment Scale (AIS) grade A, B, C, or D.
- Sufficient upper-limb range of motion to perform resistance training.
- Elbow extensor muscle strength of Manual Muscle Test (MMT) grade 3 or higher.
Exclusion Criteria:
- Presence of any serious medical condition that would preclude participation in the study.
- Inability to understand or perform the exercise program.
- Uncontrolled diabetes mellitus or progressive neurological disease.
- Uncontrolled hypertension (systolic blood pressure >140 mmHg or diastolic blood pressure >90 mmHg).
- History of cardiovascular disease within the past 6 months.
- Current use of medications that may affect heart rate variability (HRV) or baroreflex sensitivity (BRS).
- Severe orthostatic hypotension (OH) or autonomic dysreflexia (AD).
- Considered unsuitable for participation in the study by a board-certified specialist in Physical and Rehabilitation Medicine.
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Behandeling
- Toewijzing: Gerandomiseerd
- Interventioneel model: Parallelle opdracht
- Masker: Geen (open label)
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
|---|---|
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Experimenteel: Exercise group
Participants will receive a supervised upper-limb resistance training program three times per week for 8 weeks.
The program consists of progressive resistance exercises for the upper extremities.
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Participants will perform a supervised upper-limb resistance training program three times per week for 8 weeks.
Each session will last approximately 30 minutes and consist of progressive resistance exercises for the upper extremities.
Exercise intensity will be progressively adjusted according to each participant's tolerance.
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Geen tussenkomst: Control group
Participants will continue their usual daily activities without participating in the resistance training program during the 8-week study period.
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
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Heart Rate Variability
Tijdsspanne: Baseline and Week 8
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Heart rate variability will be assessed to evaluate changes in cardiovascular autonomic function following the 8-week intervention.
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Baseline and Week 8
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Baroreflex Sensitivity
Tijdsspanne: Baseline and Week 8
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Baroreflex sensitivity will be assessed to evaluate changes in cardiovascular autonomic function following the 8-week intervention.
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Baseline and Week 8
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Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
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Orthostatic Hypotension
Tijdsspanne: Baseline and Week 8
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Orthostatic hypotension will be assessed by changes in systolic and diastolic blood pressure (ΔSBP and ΔDBP) during postural change using a tilt table.
Orthostatic hypotension will be defined as a decrease in systolic blood pressure of ≥20 mmHg or diastolic blood pressure of ≥10 mmHg.
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Baseline and Week 8
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Grip Strength
Tijdsspanne: Baseline and Week 8
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Grip strength will be measured using a hand dynamometer to evaluate changes in upper-limb muscle strength following the intervention.
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Baseline and Week 8
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Orthostatic Hypotension Symptoms (ADFSCI)
Tijdsspanne: Baseline and Week 8
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Orthostatic hypotension-related symptoms will be assessed using the orthostatic hypotension items of the Autonomic Dysfunction Following Spinal Cord Injury (ADFSCI) questionnaire.
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Baseline and Week 8
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Quality of Life (WHOQOL-BREF)
Tijdsspanne: Baseline and Week 8
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Quality of life will be assessed using the World Health Organization Quality of Life-BREF (WHOQOL-BREF) questionnaire.
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Baseline and Week 8
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Medewerkers en onderzoekers
Onderzoekers
- Hoofdonderzoeker: Sungchul Huh, MD, PhD, Pusan National University Yangsan Hospital
Studie record data
Bestudeer belangrijke data
Studie start (Geschat)
Primaire voltooiing (Geschat)
Studie voltooiing (Geschat)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Werkelijk)
Updates van studierecords
Laatste update geplaatst (Werkelijk)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Trefwoorden
Aanvullende relevante MeSH-voorwaarden
- Ziekten van het centrale zenuwstelsel
- Ziekten van het zenuwstelsel
- Vaatziekten
- Hart-en vaatziekten
- Wonden en verwondingen
- Trauma, zenuwstelsel
- Ziekten van het ruggenmerg
- Primaire dysautonomieën
- Ziekten van het autonome zenuwstelsel
- Orthostatische intolerantie
- Hypotensie
- Ruggenmergletsels
- Hypotensie, orthostatisch
Andere studie-ID-nummers
- 11-2026-006
Plan Individuele Deelnemersgegevens (IPD)
Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?
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