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Fatigue in Long COVID (FALCON)

7 lipca 2026 zaktualizowane przez: Jason Busse, McMaster University

Fatigue in Long COVID Managed With Conservative Care: An International, Randomized Controlled Trial (FALCON Trial)

Long COVID affects about 6 in 100 people after a COVID-19 infection. It can cause ongoing problems like ongoing tiredness, muscle pain, and "brain fog." We know very little about which treatments might be helpful for long COVID.

The goal of this trial is to compare two treatments for people with long COVID to try to manage their symptoms. The main question is to assess whether the Lightning Process is effective for people living with long COVID compared to activity pacing. Each person will be placed into one of the two groups randomly (by chance, like flipping a coin). Activity pacing helps people balance rest and daily activities. The Lightning Process teaches ways to change thought patterns and body responses to symptoms. We will include 100 adults with long COVID. Everything will be done online, including filling out surveys about health and daily life. The goal is to find out which approach helps people feel better and improve their daily activities.

Przegląd badań

Status

Jeszcze nie rekrutacja

Warunki

Interwencja / Leczenie

Szczegółowy opis

The COVID-19 pandemic presented an unprecedented global health crisis, affecting millions globally and causing significant health and economic consequences. Although most people recover from acute SARS-CoV-2 infection, a substantial minority, approximately 6 to 15%, develop persistent symptoms that last for months and impair daily function, commonly referred to as post-COVID-19 condition or long COVID. Common symptoms of long COVID include fatigue, myalgia, dyspnea, sleep disturbance, and cognitive dysfunction ("brain fog"). The prevalence of long COVID is difficult to establish because most symptoms are nonspecific and many data sources rely on study designs that cannot confidently attribute symptoms to prior SARS-CoV-2 infection. Despite this uncertainty, converging evidence points to a large global burden, with >65 million people estimated to be living with functional limitations attributed to long COVID. The Lightning Process (LP), is a mind-body training program that is hypothesized to help individuals to develop a conscious influence on their level of functioning, using practical tools such as discussion, gentle movement and meditation-like techniques. Emerging evidence suggests that gradually re-engaging long COVID patients in physical activation and modifying unhelpful beliefs may promote recovery. There are currently no established treatments for long COVID, and patients often use activity pacing to manage their symptoms. The purpose of this trial is to establish the efficacy and safety of LP vs. activity pacing in adults living with long COVID. We hypothesize that in our trial, people randomized to LP will report greater improvement in fatigue compared to those receiving activity pacing. Our trial will enroll people living with long COVID who are motivated and show willingness to change their condition through intervention. The trial will assess whether, among adults living with long COVID (post COVID-19 condition) and persistent, function limiting symptoms, LP improves fatigue and other patient important outcomes, compared to activity pacing.

The primary objective is to assess the effect of LP vs. activity pacing on fatigue among adults with long COVID.

The secondary objectives are to assess the effect of LP vs. activity pacing on

  • Physical functioning
  • Pain severity
  • Post exertional malaise
  • Health related quality of life
  • Somatic symptom severity
  • Functional impairment
  • Respiratory function
  • Adverse events and serious adverse events

Both LP and pacing interventions span 26 weeks. Patients assigned to the LP intervention will complete a brief preparatory phase, then attend three consecutive core sessions. The LP protocol includes two follow-up calls one week apart and a booster call at week 26. Patients assigned to the pacing intervention complete 15 sessions over 24 weeks-four weekly sessions, then sessions every two weeks until week 26.

Participants will complete outcome measures at 6 months, coinciding with the immediate the end of the intervention, and at 9 and 12 months. The post-treatment time point estimates the proximal effect of LP compared to pacing, where contamination is lowest, co-interventions are least likely to diverge across arms, and any harms (e.g., post-exertional worsening) are most plausibly related to the assigned strategy.

Typ studiów

Interwencyjne

Zapisy (Szacowany)

100

Faza

  • Nie dotyczy

Kontakty i lokalizacje

Ta sekcja zawiera dane kontaktowe osób prowadzących badanie oraz informacje o tym, gdzie badanie jest przeprowadzane.

Kontakt w sprawie studiów

  • Nazwa: Dr. Jason Busse, PhD, Professor
  • Numer telefonu: (905) 525-9140
  • E-mail: bussejw@mcmaster.ca

Kopia zapasowa kontaktu do badania

Kryteria uczestnictwa

Badacze szukają osób, które pasują do określonego opisu, zwanego kryteriami kwalifikacyjnymi. Niektóre przykłady tych kryteriów to ogólny stan zdrowia danej osoby lub wcześniejsze leczenie.

Kryteria kwalifikacji

Wiek uprawniający do nauki

  • Dorosły
  • Starszy dorosły

Akceptuje zdrowych ochotników

Nie

Opis

Inclusion Criteria:

  • The inclusion criteria for participants are:

    1. Adults aged 18 to 65 years
    2. Meeting the WHO clinical case definition for long COVID and
    3. Self-reported experiencing long COVID symptoms such as fatigue, muscle pain, and brain fog.
    4. Reporting a minimum score of ≥35 on the Checklist Individual Strength CIS-fatigue domain.
    5. Able to speak and read English
    6. Scoring higher in contemplation, action or maintenance scores than the precontemplation phase on the readiness to change questionnaire
    7. Provides consent for study participation.
    8. Consistent access to an internet-connected device (e.g., smartphone, tablet, laptop) that can facilitate access to the study interventions.

Exclusion Criteria:

  • The exclusion criteria are:

    1. Long COVID participants whose presentation is primarily restricted to anosmia.
    2. Participants with Post-Intensive Care Syndrome (PICS) or serious organic sequelae of COVID-19, such as structural lung injury attributable to mechanical ventilation or other organ damage requiring ongoing specialist management.
    3. Participants who will not be able to attend intervention sessions or follow up visits due to anticipated significant life changes or relocation.
    4. Unable to provide informed consent (e.g. cognitive disability, language barrier)
    5. Co-morbidities that likely to impair function for as long or longer than long COVID
    6. Current participation in psychotherapy, structured physical rehabilitation (e.g., physiotherapy or occupational therapy), or another trial that does not permit co-enrollment.

Plan studiów

Ta sekcja zawiera szczegółowe informacje na temat planu badania, w tym sposób zaprojektowania badania i jego pomiary.

Jak projektuje się badanie?

Szczegóły projektu

  • Główny cel: Leczenie
  • Przydział: Randomizowane
  • Model interwencyjny: Przydział równoległy
  • Maskowanie: Brak (otwarta etykieta)

Broń i interwencje

Grupa uczestników / Arm
Interwencja / Leczenie
Eksperymentalny: Lightning Process
Lightning Process is a mind body intervention that focusses on identifying and interrupting negative thoughts that may affect fatigue.
Behawioralne: Lightning Process
LP is a mind body intervention which is delivered over 3 consecutive days to individuals or in groups via video technology. The sessions are approximately 4 hours long. Experienced LP practitioners will deliver the LP intervention remotely and individually. The intervention is comprised of a preparation phase, core sessions, and follow-up. Preparation consists of an audio home-study module (about 4 hours total) and about 1 hour of preparatory coaching by telephone or videoconference in the days to weeks before delivery of the LP intervention to orient participants to the approach and address any questions.
Aktywny komparator: Activity pacing
Activity pacing is a self-management strategy that balances activity and rest to manage fatigue, allowing individuals to maintain consistent energy levels throughout the day.
Inny: Activity Pacing
Activity Pacing, a self-management strategy that balances activity and rest to manage fatigue, allowing individuals to maintain consistent energy levels throughout the day. The aim of activity pacing is to avoid symptom exacerbations whilst achieving as much as possible with limited energy. Pacing focusses on developing awareness not only of the symptoms but also more subtle indicators that herald a future exacerbation of symptoms (listening to your body) and becoming aware of effect of activity or lack of rest on disability. Senior occupational therapy students will deliver activity pacing remotely and individually by videoconference.

Co mierzy badanie?

Podstawowe miary wyniku

Miara wyniku
Opis środka
Ramy czasowe
Fatigue (Checklist Individual Strength-Fatigue)
Ramy czasowe: 12 months
The primary outcome will be the mean change in fatigue scores between Lightning Process and activity pacing group at 12 months post randomization. This will be assessed on the fatigue domain of the 8-item Checklist Individual Strength (CIS-fatigue) at 12 months follow-up. The CIS-fatigue domain consists of 8 items with a total score ranging from 8 to 56, with higher scores indicating more severe fatigue.
12 months

Miary wyników drugorzędnych

Miara wyniku
Opis środka
Ramy czasowe
Respiratory function (Dyspnea-12)
Ramy czasowe: 6 months, 9 months, and 12 months
Change in respiratory functioning will be assessed with the Dyspnea-12 (D-12) Scale which measures the current level of a patient's breathlessness severity, incorporating both physical and affective aspects, and does not depend on activity limitation. Each item scored from 0-3, for a total score range of 0-36. Higher scores indicate worse dyspnea.
6 months, 9 months, and 12 months
Post Exertional Malaise (De Paul Symptom Questionnaire)
Ramy czasowe: Baseline, 6 months, 9 months, and 12 months
Change in post exertional malaise (PEM) will be measured using a brief questionnaire derived from De Paul Symptom Questionnaire (DSQ). It is a 5-item self-report tool that evaluates common symptoms of long COVID, including worsening after physical or mental activity, recovery duration and activity intolerance. Each item is scored 0-4 on 5-point Likert scale. A score of ≥2 for frequency and ≥2 for severity on any item suggests PEM.
Baseline, 6 months, 9 months, and 12 months
Daily Pain (Brief Pain Inventory Short Form)
Ramy czasowe: 6 months, 9 months, and 12 months
Change in pain will be assessed using Brief Pain Inventory short form (BPI-SF). This is a 9-item questionnaire used to evaluate the severity of a patient's pain and the impact of their pain on daily functioning. The BPI-SF evaluates pain severity at its worst, least, and average during the previous week, as well as current pain level, with 0 representing no pain and 10 the worst pain imaginable.
6 months, 9 months, and 12 months
Fatigue (Checklist Individual Strength-Fatigue)
Ramy czasowe: 6 months and 9 months
Change in fatigue scores will be measured at 6 and 9 months post randomization. This will be assessed on the fatigue domain of the 8-item CIS-fatigue scale at 6 and 9 months follow-up.
6 months and 9 months
Physical function (SF-12)
Ramy czasowe: Baseline, 6 months, 9 months, and 12 months
Change in physical functioning will be measured using Short Form Health Survey (SF-12) scale, a 12-item questionnaire that assesses physical and mental health status.
Baseline, 6 months, 9 months, and 12 months
Health related quality of life (EuroQol-5 Dimensions)
Ramy czasowe: Baseline, 6 months, 9 months, and 12 months
Health related quality of life will be measured using the EuroQol-5 Dimensions (EQ-5D) scale that provides a generic measure of health for clinical and economic appraisal. Its a continuous (scale 0-100). Higher scores relate to better health.
Baseline, 6 months, 9 months, and 12 months
Severity of somatic symptoms (Patient Health Questionnaire-15)
Ramy czasowe: 6 months, 9 months, and 12 months
Change in somatic symptoms will be measured using Patient Health Questionnaire-15 (PHQ-15) that screens for somatization concerns and monitors symptom severity. Its a continuous (scale 0-30). Higher scores relate to greater somatic symptom severity.
6 months, 9 months, and 12 months
Functional impairment (Work and Social Adjustment Scale)
Ramy czasowe: 6 months, 9 months, and 12 months
Change in functional impairment will be measured through Work and Social Adjustment Scale (WSAS) scale. Its a 5-item continuous scale (0-40) of functional impairment attributable to an identified problem. Higher scores relate to severely impaired.
6 months, 9 months, and 12 months
Adverse Events (AEs)
Ramy czasowe: Up to 12 months
To ensure participant safety, adverse events (AEs) will be documented at each follow-up visit.
Up to 12 months
Serious Adverse Events (SAEs)
Ramy czasowe: Up to 12 months
To ensure participant safety, serious adverse events (SAEs) will be documented at each follow-up visit.
Up to 12 months

Współpracownicy i badacze

Tutaj znajdziesz osoby i organizacje zaangażowane w to badanie.

Sponsor

McMaster University

Współpracownicy

Hamilton Academic Health Sciences Organization

Daty zapisu na studia

Daty te śledzą postęp w przesyłaniu rekordów badań i podsumowań wyników do ClinicalTrials.gov. Zapisy badań i zgłoszone wyniki są przeglądane przez National Library of Medicine (NLM), aby upewnić się, że spełniają określone standardy kontroli jakości, zanim zostaną opublikowane na publicznej stronie internetowej.

Główne daty studiów

Rozpoczęcie studiów (Szacowany)

1 listopada 2026

Zakończenie podstawowe (Szacowany)

1 grudnia 2028

Ukończenie studiów (Szacowany)

1 grudnia 2028

Daty rejestracji na studia

Pierwszy przesłany

25 czerwca 2026

Pierwszy przesłany, który spełnia kryteria kontroli jakości

7 lipca 2026

Pierwszy wysłany (Rzeczywisty)

13 lipca 2026

Aktualizacje rekordów badań

Ostatnia wysłana aktualizacja (Rzeczywisty)

13 lipca 2026

Ostatnia przesłana aktualizacja, która spełniała kryteria kontroli jakości

7 lipca 2026

Ostatnia weryfikacja

1 lipca 2026

Więcej informacji

Terminy związane z tym badaniem

Słowa kluczowe

Dodatkowe istotne warunki MeSH

Inne numery identyfikacyjne badania

  • Project ID-20247

Plan dla danych uczestnika indywidualnego (IPD)

Planujesz udostępniać dane poszczególnych uczestników (IPD)?

TAK

Opis planu IPD

The study protocol will be published and publicly available. We will share the de-identified data with investigators who have ethics approval for the specific secondary analysis and sign a data sharing agreement. Due to privacy concerns, the complete data files will not be shared online.

Ramy czasowe udostępniania IPD

The study protocol will be publicly available upon study commencement.

Kryteria dostępu do udostępniania IPD

Anonymized data will be shared upon reasonable request from other researchers for use in specific research projects on long COVID when the main analyses are completed and published.

Typ informacji pomocniczych dotyczących udostępniania IPD

  • PROTOKÓŁ BADANIA

Informacje o lekach i urządzeniach, dokumenty badawcze

Bada produkt leczniczy regulowany przez amerykańską FDA

Nie

Bada produkt urządzenia regulowany przez amerykańską FDA

Nie

Te informacje zostały pobrane bezpośrednio ze strony internetowej clinicaltrials.gov bez żadnych zmian. Jeśli chcesz zmienić, usunąć lub zaktualizować dane swojego badania, skontaktuj się z register@clinicaltrials.gov. Gdy tylko zmiana zostanie wprowadzona na stronie clinicaltrials.gov, zostanie ona automatycznie zaktualizowana również na naszej stronie internetowej .

Badania kliniczne na Długi COVID

Badania kliniczne na Lightning Process

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