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Combined Cognitive and Gait Training (CogGait)

18. september 2018 opdateret af: 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.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

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.

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

12

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

  • Forenede Stater
    • Florida
      • Gainesville, Florida, Forenede Stater, 32608
        • North Florida/South Georgia Veterans Health System, Gainesville, FL

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

21 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

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.)

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Aktiv komparator: Gait plus cognitive training
Rehabilitation of walking/gait, combined with rehabilitation of cognitive function
Adfærdsmæssigt: 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.
Adfærdsmæssigt: 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.
Aktiv komparator: Gait plus arm training
Rehabilitation of walking/gait, combined with rehabilitation of arm function
Adfærdsmæssigt: 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.
Adfærdsmæssigt: Arm training
Treatment will include coordination exercises for reaching and grasping. Activities will include movement of shoulder, elbow, wrist and fingers.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change in the Gait Assessment and Intervention (G.A.I.T.) Score
Tidsramme: 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)

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

VA Office of Research and Development

Efterforskere

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

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart

1. december 2013

Primær færdiggørelse (Faktiske)

1. juni 2016

Studieafslutning (Faktiske)

1. juni 2016

Datoer for studieregistrering

Først indsendt

29. januar 2015

Først indsendt, der opfyldte QC-kriterier

11. februar 2015

Først opslået (Skøn)

12. februar 2015

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

11. februar 2019

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

18. september 2018

Sidst verificeret

1. september 2018

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • D7675-R

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

Uafklaret

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