Whole-Body Electrostimulation for Functional Recovery in Post-COVID Syndrome

Sponsor
Universidad Rey Juan Carlos
Study ID
NCT07312357
Status
Not Yet Recruiting

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Conditions

  • Long COVID Fatigue
  • Long Covid
  • Post COVID Syndrome
  • Post COVID Syndrome Long Covid

Eligibility Criteria

Sex
ALL
Age
18 Years - 70 Years
Healthy Volunteers
Not accepted

Interventions

  • Whole-Body Electromyostimulation Suit — DEVICE
    The intervention consists of the use of a whole-body electromyostimulation (WB-EMS) suit with integrated surface electrodes designed to stimulate multiple large muscle groups simultaneously. Electrical stimulation is delivered at low-to-moderate frequencies and individualized intensities during supervised functional activities. Stimulation parameters are adjusted according to participant tolerance to achieve visible and tolerable muscle contractions. Sessions are conducted once per week for a total of 12 sessions, with progressive increases in session duration from 10 to 20 minutes. In the control condition, the same device is used with minimal, non-therapeutic electrical stimulation.

Study Details

Post-COVID syndrome is a condition that affects some people after recovering from the acute phase of COVID-19. Common symptoms include persistent fatigue, reduced physical capacity, and difficulties performing everyday activities, which can significantly impact quality of life and independence. At present, there is limited scientific evidence on effective rehabilitation strategies for this population. The purpose of this study is to evaluate whether the use of a whole-body electrostimulation suit can improve fatigue, physical performance, and functional independence in people with post-COVID syndrome. Whole-body electrostimulation is a non-pharmacological technique that uses low-frequency electrical impulses to activate multiple muscle groups simultaneously and has shown potential benefits in other clinical populations. This is a randomized, double-blind, controlled pilot clinical trial. Participants will be randomly assigned to either an experimental group, which will receive active whole-body electrostimulation during functional activities, or a control group, which will follow the same sessions using the electrostimulation suit with minimal stimulation (placebo condition). Neither participants nor outcome assessors will know which group each participant belongs to. The intervention will consist of 12 supervised sessions conducted once per week. Outcomes will be assessed before and after the intervention, with an additional follow-up assessment three months later. The main outcomes include fatigue levels, functional capacity, physical performance, and independence in activities of daily living. Safety and tolerance to the intervention will be monitored throughout the study. The results of this study may help to determine the feasibility and potential effectiveness of whole-body electrostimulation as a rehabilitation tool for people with post-COVID syndrome and provide preliminary data for future larger-scale clinical trials.

Key Dates

First listed
Dec 31, 2025
Start date
Mar 31, 2026
Status verified
Dec 2025
Primary completion
Sep 30, 2026
Completion
Dec 31, 2026

Study Design

Enrollment
30 participants (estimated)
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT

Arms

  • Experimental: Active Whole-Body Electrostimulation
    Participants in this arm will receive active whole-body electromyostimulation using an electrostimulation suit during supervised functional activities. The intervention will consist of 12 weekly sessions with individualized and progressive stimulation parameters adjusted to achieve visible and tolerable muscle contractions.
  • Placebo Comparator: Sham Whole-Body Electrostimulation
    Participants in this arm will use the same whole-body electrostimulation suit and perform the same supervised functional activities as the experimental group. The electrical stimulation will be set at minimal, non-therapeutic levels to act as a placebo condition, without expected physiological effects.

Primary Outcome Measure

Fatigue Severity [ Time Frame: Baseline, immediately post-intervention (12 weeks), and 3-month follow-up ]

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