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Prehab-COG: Does Preoperative Exercise Improve Postoperative Cognitive Outcomes? (Prehab-COG)

9. november 2026 oppdatert av: Cindy Kin, Stanford University

Prehab-COG: Does Preoperative Exercise Improve Postoperative Cognitive Outcomes? A Pilot Study.

The purpose of this protocol is to evaluate the feasibility and acceptability of a preoperative exercise intervention (Prehabilitation) program, along with intraoperative Electroencephalography (EEG) recordings, and pre and post operative cognitive testing in older patients undergoing a major surgery.

Studieoversikt

Studietype

Intervensjonell

Registrering (Antatt)

15

Fase

  • Ikke aktuelt

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiesteder

    • California
      • Stanford, California, Forente stater, 94305
        • Stanford Healthcare Centers

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

50 år og eldre (Voksen, Eldre voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Inclusion Criteria:

  1. Adults patients (50 years old or older).
  2. Scheduled to undergo non-cardiac or non-neurological surgery under general anesthesia.
  3. Plan to be admitted to the hospital after surgery for a minimum of one night.
  4. ASA physical status classification I to III.
  5. English or Spanish fluency (Cognitive testing only validated to be used with English or Spanish speakers).

Exclusion Criteria:

  1. Not able to understand/speak English or Spanish
  2. Failure to satisfy adequate hearing test with/without hearing aids.
  3. Visual impairment.
  4. Unplanned ICU admission after surgery.
  5. Patients who are undergoing another intervention study that consists of a cognitive or exercise intervention.
  6. Inability to provide consistent EEG data of sufficient quality, determined at enrollment.
  7. Subjects with medical conditions including but not limited to: Angina pectoris, Congestive Heart Failure (CHF) that make it dangerous for unsupervised physical activity, cognitive and psychiatric conditions that may affect ability to consent.
  8. Subjects who have contraindications to unsupervised exercise including but not limited to fall risks, movement disorders, and those who are on ambulatory oxygen therapy.

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Forebygging
  • Tildeling: N/A
  • Intervensjonsmodell: Enkeltgruppeoppdrag
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Moderate Exercise Arm

The participants will undergo the virtual exercise intervention 2xweek for 3-4 weeks prior to surgery, and take cognitive testing with non-invasive EEG recordings at 5-point time (the baseline prior to start of the exercise program, at 2-4 days prior to surgery, during the surgery, post-op, and 30-day post surgery). Participants will also be interviewed after the intervention and after surgery to obtain their feedback on their experience with the study procedures.

Eligible participants will receive their exercise program, relevant informational material and training. The exercise program will be tailored to the physical fitness of the participants. The 2xweek virtual sessions take 30 minutes each and include guided exercises at mild-moderate intensity.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Evaluate the feasibility of a preoperative home-based exercise intervention program, with intraoperative EEG recording, and pre and post operative cognitive testing, among older patients undergoing major surgery.
Tidsramme: Maximum 3 months from participant enrollment to end/completion of all study-related tasks.

Feasibility will be measured by:

  1. Proportion of Eligible Patients Approached Who Enrolled (Number of eligible patients who enrolled divided by the number of eligible patients approached)
  2. Proportion of Enrolled Participants Completing All Planned Study Data-Collection Assessments (Number and the percentage of the completion for each of the planned data collection points)
Maximum 3 months from participant enrollment to end/completion of all study-related tasks.
Evaluate the acceptability of a preoperative home-based exercise intervention program, with intraoperative EEG recording, and pre and post operative cognitive testing, among older patients undergoing major surgery.
Tidsramme: Maximum 3 months from participant enrollment to end/completion of all study-related tasks.

Acceptability will be measured by:

1) Aggregated (mean) Score of Surveyed Participants' Rating Across Each Study-Task (Average score of participants' ratings across study tasks, including exercise program, EEG recording and cognitive testing).

Maximum 3 months from participant enrollment to end/completion of all study-related tasks.

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Etterforskere

  • Studieleder: Cindy Kin, MD, Stanford University
  • Hovedetterforsker: Patrick Purdon, PhD, Stanford University

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Antatt)

1. januar 2027

Primær fullføring (Antatt)

1. juni 2027

Studiet fullført (Antatt)

1. juni 2027

Datoer for studieregistrering

Først innsendt

30. september 2026

Først innsendt som oppfylte QC-kriteriene

9. november 2026

Først lagt ut (Faktiske)

12. november 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

12. november 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

9. november 2026

Sist bekreftet

1. november 2026

Mer informasjon

Begreper knyttet til denne studien

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

NEI

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .

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