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Combined Cognitive and Gait Training (CogGait)

18 settembre 2018 aggiornato da: VA Office of Research and Development
Recent research in gait training for stroke survivors showed that coordinated gait components can be best restored using the following interventions together: coordination exercises, over ground gait training, and body weight supported treadmill training (BWSTT). These results are important because, to the investigators' knowledge, there have been no other reports of the restoration of coordinated gait components for those with persistent gait deficits (> 6 months after stroke). However, a remaining problem was that the restored coordinated gait movements measured in the laboratory did not generalize for many subjects to the everyday environment. The confluence of several factors can cause lack of generalization. First, dual task performance (gait and cognitive attention task) can degrade both gait and attention ability, even in healthy adults. Second, stroke can impair attention. Third, during walking in the everyday environment, attention is required in order to safely process normally occurring stimuli. Therefore, given the success of the new gait training protocol in the lab setting, it is important to address the problems remaining for generalization of the recovered coordinated gait pattern to the everyday environment. The primary hypothesis of this study is that greater gains in gait speed will be produced by combined motor and cognitive training versus motor training alone.

Panoramica dello studio

Stato

Terminato

Condizioni

Intervento / Trattamento

Descrizione dettagliata

Aim 1, Hypothesis Ia: Comparison of combined motor and cognitive training vs motor training alone. For Aim 1, Hypothesis Ia, this will be a randomized, controlled study. For the two groups, 38 subjects will be enrolled and randomized to either: A) Motor + Cognitive Training; or B) Motor Training alone. Subjects will first be stratified according to coordination and gait deficit severity, as described below. After stratification, the subject will be randomized to one of the two intervention groups for Hypothesis Ia. All the subjects will receive treatment 5 times/week, 3hrs/session, for 12 weeks or for a total of 60 treatment sessions. Group A will receive combined motor and cognitive training; Table 2 (below) shows the graduated approach to providing combined gait and cognitive training. Data collection will be at weeks 1, 6, 12, and 24 (i.e., before, mid-treatment and after treatment, and then 3 months after the end of the treatment protocol. Comparison will be made between the two groups to determine whether there was any additive effectiveness of the cognitive training.

Aim 2, Hypotheses IIa-d: Pre/post-treatment comparisons within Group A, receiving combined motor and cognitive training. For Aim 2, Hypotheses IIa-d, this will be a single cohort pre/post-treatment comparison within Group A receiving combined motor and cognitive training.

Aim 3, Hypotheses IIIa-d: Pre/post-treatment comparisons within Group B, receiving motor training alone. For Aim 3, Hypotheses IIIa-d, this will be a single cohort pre/post-treatment comparison within Group B, receiving motor training alone.

Tipo di studio

Interventistico

Iscrizione (Effettivo)

12

Fase

  • Non applicabile

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Luoghi di studio

  • Stati Uniti
    • Florida
      • Gainesville, Florida, Stati Uniti, 32608
        • North Florida/South Georgia Veterans Health System, Gainesville, FL

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

21 anni e precedenti (Adulto, Adulto più anziano)

Accetta volontari sani

No

Sessi ammissibili allo studio

Tutto

Descrizione

Inclusion Criteria:

Stroke Survivor inclusion/exclusion criteria Inclusion Criteria

  • Cognition sufficiently intact to give valid informed consent to participate. *
  • Sufficient endurance to participate in rehabilitation sessions.
  • Ability to follow 2 stage commands.
  • Medically Stable
  • Age > 21 years.
  • Impaired ambulation as follows: inability to flex the knee and ankle in the sagittal plane, in a normal manner so the foot clears the floor; inability to control normal knee angle during single limb weight bearing during stance phase.
  • At least 6 months post stroke.

Able-bodied Inclusion criteria

  • Criteria to be included is that they should be healthy with no history of a neurological disease or orthopedic impairment.**
  • Not Pregnant.
  • No Claustrophobia (only for the sub-sample asked to undergo fMRI.)
  • No counterindications to MR scanning including, pregnancy, weight inappropriate for height, ferrous objects within the body (only for the sub-sample asked to undergo fMRI.)

Exclusion Criteria:

Exclusion Criteria

  • Acute or progressive cardiac, vascular, renal, respiratory, neurological disorders or malignancy.
  • Active psychiatric diagnosis or psychological condition, or active drug/alcohol abuse.
  • Lower motor neuron damage or radiculopathy.
  • Orthopedic impairment. **
  • More than one stroke.
  • Cerebellar dysfunction.
  • Fugl-Meyer lower limb motor sub-score greater than 32.
  • No simultaneous gait rehabilitation participation.
  • Pregnant.
  • Claustrophobia (only for the sub-sample asked to undergo fMRI.)
  • Criteria specific to MR scanning, including pregnancy, weight inappropriate for height, ferrous objects within the body (only for the sub-sample asked to undergo fMRI.)

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Trattamento
  • Assegnazione: Randomizzato
  • Modello interventistico: Assegnazione parallela
  • Mascheramento: Nessuno (etichetta aperta)

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Comparatore attivo: Gait plus cognitive training
Rehabilitation of walking/gait, combined with rehabilitation of cognitive function
Comportamentale: Gait training
Treatment will include coordination exercises and over ground gait training for impaired muscle groups and related gait deficits. The therapy will be provided by a clinical physical therapist specializing in rehabilitation for stroke patients, according to established, conventional guidelines. The protocol was used in the investigators' prior studies, and is designed to restore voluntary control of ankle dorsiflexion during swing phase; hip flexion during swing phase, knee flexion at toe-off, knee flexion during swing phase; knee extension before heel strike; knee control during stance phase; pelvic control during stance phase; and whole body balance control during weight shifting. Newly-learned coordinated movements will be integrated into practice of coordinated gait components. Cognitive rehabilitation will begin with the least difficult aspects of attention control, and progress to the more difficult. Home practice and generalization exercises will be assigned.
Comportamentale: cognitive training
Cognitive training is designed to enhance attention, intention, executive function, decision making and reaction time. Commercially available computer software will be used, as well as custom cognitive training.
Comparatore attivo: Gait plus arm training
Rehabilitation of walking/gait, combined with rehabilitation of arm function
Comportamentale: Gait training
Treatment will include coordination exercises and over ground gait training for impaired muscle groups and related gait deficits. The therapy will be provided by a clinical physical therapist specializing in rehabilitation for stroke patients, according to established, conventional guidelines. The protocol was used in the investigators' prior studies, and is designed to restore voluntary control of ankle dorsiflexion during swing phase; hip flexion during swing phase, knee flexion at toe-off, knee flexion during swing phase; knee extension before heel strike; knee control during stance phase; pelvic control during stance phase; and whole body balance control during weight shifting. Newly-learned coordinated movements will be integrated into practice of coordinated gait components. Cognitive rehabilitation will begin with the least difficult aspects of attention control, and progress to the more difficult. Home practice and generalization exercises will be assigned.
Comportamentale: Arm training
Treatment will include coordination exercises for reaching and grasping. Activities will include movement of shoulder, elbow, wrist and fingers.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Change in the Gait Assessment and Intervention (G.A.I.T.) Score
Lasso di tempo: pre-training (0 weeks), post training (about 12 weeks)
Coordination of walking, scored using the investigators' novel G.A.I.T. measure. This measure evaluated limb and joint movements while participants walk overground at preferred speed. Range of scale: 0 (normal) to 64 (extremely discoordinated gait).
pre-training (0 weeks), post training (about 12 weeks)

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Sponsor

VA Office of Research and Development

Investigatori

  • Investigatore principale: Janis J. Daly, PhD MS, North Florida/South Georgia Veterans Health System, Gainesville, FL

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio

1 dicembre 2013

Completamento primario (Effettivo)

1 giugno 2016

Completamento dello studio (Effettivo)

1 giugno 2016

Date di iscrizione allo studio

Primo inviato

29 gennaio 2015

Primo inviato che soddisfa i criteri di controllo qualità

11 febbraio 2015

Primo Inserito (Stima)

12 febbraio 2015

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

11 febbraio 2019

Ultimo aggiornamento inviato che soddisfa i criteri QC

18 settembre 2018

Ultimo verificato

1 settembre 2018

Maggiori informazioni

Termini relativi a questo studio

Parole chiave

Termini MeSH pertinenti aggiuntivi

Altri numeri di identificazione dello studio

  • D7675-R

Piano per i dati dei singoli partecipanti (IPD)

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Indeciso

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

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