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Combined Cognitive and Gait Training (CogGait)

18. září 2018 aktualizováno: 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.

Přehled studie

Postavení

Ukončeno

Podmínky

Intervence / Léčba

Detailní popis

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.

Typ studie

Intervenční

Zápis (Aktuální)

12

Fáze

  • Nelze použít

Kontakty a umístění

Tato část poskytuje kontaktní údaje pro ty, kteří studii provádějí, a informace o tom, kde se tato studie provádí.

Studijní místa

  • Spojené státy
    • Florida
      • Gainesville, Florida, Spojené státy, 32608
        • North Florida/South Georgia Veterans Health System, Gainesville, FL

Kritéria účasti

Výzkumníci hledají lidi, kteří odpovídají určitému popisu, kterému se říká kritéria způsobilosti. Některé příklady těchto kritérií jsou celkový zdravotní stav osoby nebo předchozí léčba.

Kritéria způsobilosti

Věk způsobilý ke studiu

21 let a starší (Dospělý, Starší dospělý)

Přijímá zdravé dobrovolníky

Ne

Pohlaví způsobilá ke studiu

Všechno

Popis

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.)

Studijní plán

Tato část poskytuje podrobnosti o studijním plánu, včetně toho, jak je studie navržena a co studie měří.

Jak je studie koncipována?

Detaily designu

  • Primární účel: Léčba
  • Přidělení: Randomizované
  • Intervenční model: Paralelní přiřazení
  • Maskování: Žádné (otevřený štítek)

Zbraně a zásahy

Skupina účastníků / Arm
Intervence / Léčba
Aktivní komparátor: Gait plus cognitive training
Rehabilitation of walking/gait, combined with rehabilitation of cognitive function
Behaviorální: 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.
Behaviorální: 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.
Aktivní komparátor: Gait plus arm training
Rehabilitation of walking/gait, combined with rehabilitation of arm function
Behaviorální: 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.
Behaviorální: Arm training
Treatment will include coordination exercises for reaching and grasping. Activities will include movement of shoulder, elbow, wrist and fingers.

Co je měření studie?

Primární výstupní opatření

Měření výsledku
Popis opatření
Časové okno
Change in the Gait Assessment and Intervention (G.A.I.T.) Score
Časové okno: 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)

Spolupracovníci a vyšetřovatelé

Zde najdete lidi a organizace zapojené do této studie.

Sponzor

VA Office of Research and Development

Vyšetřovatelé

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

Termíny studijních záznamů

Tato data sledují průběh záznamů studie a předkládání souhrnných výsledků na ClinicalTrials.gov. Záznamy ze studií a hlášené výsledky jsou před zveřejněním na veřejné webové stránce přezkoumány Národní lékařskou knihovnou (NLM), aby se ujistily, že splňují specifické standardy kontroly kvality.

Hlavní termíny studia

Začátek studia

1. prosince 2013

Primární dokončení (Aktuální)

1. června 2016

Dokončení studie (Aktuální)

1. června 2016

Termíny zápisu do studia

První předloženo

29. ledna 2015

První předloženo, které splnilo kritéria kontroly kvality

11. února 2015

První zveřejněno (Odhad)

12. února 2015

Aktualizace studijních záznamů

Poslední zveřejněná aktualizace (Aktuální)

11. února 2019

Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality

18. září 2018

Naposledy ověřeno

1. září 2018

Více informací

Termíny související s touto studií

Klíčová slova

Další relevantní podmínky MeSH

Další identifikační čísla studie

  • D7675-R

Plán pro data jednotlivých účastníků (IPD)

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Nerozhodný

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