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Cerebral Blood Flow-guided Early Rehabilitation Intervention After Stroke: a Pilot Randomized Trial (STAND-OP) (STAND-OP)

2021年11月29日 更新者：Fundació Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau

Cerebral Blood Flow-guided Early Rehabilitation Intervention After Stroke: a Pilot Randomized Trial

The primary goal of most acute stroke interventions is to restore cerebral blood flow (CBF) in the affected region and prevent hypoperfusion during early clinical course. Diffuse optical technology offers a new opportunity for invasive, real time and bedside assessment of brain function biomarkers, including CBF. However, whether CBF monitoring can identify patients who are most likely to benefit from therapies is unclear Recently, it was suggested that the benefit of early mobilization (EM) after stroke on motor recovery may be outweighed by a deleterious effect on cerebral perfusion if cerebral autoregulation (CA) is impaired. Hypothetically, EM could improve recovery outcomes after stroke in selected patients based on CA function. Our objective is to investigate if EM leads to superior motor and functional outcome after stroke compared to standard care (SC) in selected patients based on optical biomarkers of CA and evaluate the feasibility of the clinical use of a novel transcranial optical monitoring system adapted to deliver biomarkers of CA at the bedside. The investigators designed a randomized controlled, open-labeled trial with blinded assessment of outcome end-points in a stroke unit of a tertiary stroke center. Patients with an ischemic or hemorrhagic stroke will be recruited and randomly assigned within 24 hours after symptoms onset to receive SC alone or EM in addition to SC. All patients will undergo optical monitoring of CA on admission to the Stroke Unit during the first mobilization. Randomization will be stratified by stroke severity and type of stroke. Clinical outcome will be assessed with the Postural Assessment Scale for Stroke (PASS) and modified Rankin scale at 90 days. Safety outcome will be assessed by recording the incidence of neurological deterioration, recurrence and falls.

調査の概要

状態

完了

条件

介入・治療

詳細な説明

Background: The primary goal of most acute stroke interventions is to restore cerebral blood flow (CBF) in the affected region and prevent hypoperfusion during early clinical course. Diffuse optical technology offers a new opportunity for invasive, real time and bedside assessment of brain function biomarkers, including CBF.

However, whether CBF monitoring can identify patients who are most likely to benefit from therapies is unclear. The results of AVERT trial suggested that the benefit of early mobilization (EM) after stroke on functional outcome may be outweighed by a hypothetical deleterious effect on cerebral perfusion if cerebral autoregulation (CA) is impaired. EM could improve recovery outcomes after stroke in selected patients based on the status of CA function.

Objectives: 1) to investigate if EM leads to superior motor and functional outcome after stroke compared to standard care (SC) in selected patients based on optical biomarkers of CA. 2) To evaluate the feasibility of the clinical use of a novel transcranial optical monitoring system adapted to deliver biomarkers of CA at the bedside.

Methodology: A randomized controlled, open-labeled trial with blinded assessment of outcome end-points in a stroke unit of a tertiary stroke center. Patients with an ischemic or hemorrhagic stroke will be randomly assigned within 24 hours after symptoms onset to receive SC alone or EM in addition to SC. All patients will undergo optical monitoring of CA on admission to the Stroke Unit. Randomization will be stratified according to stroke severity measured with the National institute of Health Stroke Scale (NIHSS) and type of stroke (ischemic or hemorrhagic). Clinical outcome will be assessed with the Postural Assessment Scale for Stroke (PASS) and modified Rankin scale at 90 days. Safety outcome will be assessed by recording the incidence of neurological deterioration, recurrence and falls.

Expected results: to provide a new in vivo biomarker of cerebrovascular function for more accurate and earlier prediction of response to therapy, leading to improved clinical decisions and outcomes.

研究の種類

介入

入学 (実際)

106

段階

  • 適用できない

連絡先と場所

このセクションには、調査を実施する担当者の連絡先の詳細と、この調査が実施されている場所に関する情報が記載されています。

研究場所

  • スペイン
      • Barcelona、スペイン、08025
        • Hospital Santa Creu i Sant Pau

参加基準

研究者は、適格基準と呼ばれる特定の説明に適合する人を探します。これらの基準のいくつかの例は、人の一般的な健康状態または以前の治療です。

適格基準

就学可能な年齢

18年歳以上 (大人、高齢者)

健康ボランティアの受け入れ

はい

受講資格のある性別

全て

説明

Inclusion Criteria:

  • Patients 18 years or over, with a clinical diagnosis of first or recurrent stroke, either ischemic or hemorrhagic.
  • Recruitment within 24 hours of onset of stroke symptoms.
  • Admission to the stroke unit
  • Informed consent obtained from the patient or responsible third party

Exclusion Criteria:

  • Pre-stroke modified Rankin scale score >3
  • Transient ischemic attacks
  • Exclusively retinal stroke
  • Deterioration in patient´s neurological condition in the first hours of admission resulting in urgent surgery, admission to ICU or a documented decision for palliative care.
  • Unstable medical condition
  • A suspected or confirmed lower limb fracture at the time of stroke preventing the implementation of the mobilization protocol.

研究計画

このセクションでは、研究がどのように設計され、研究が何を測定しているかなど、研究計画の詳細を提供します。

研究はどのように設計されていますか？

デザインの詳細

  • 主な目的：処理
  • 割り当て：ランダム化
  • 介入モデル：並列代入
  • マスキング：独身

武器と介入

参加者グループ / アーム
介入・治療
アクティブコンパレータ：Standard care group
Standard of care (SC) mobility protocol performed by the Stroke Unit nursing and physiotherapy staff. The SC consists of one or two sessions per days of out-of-bed sitting and standing, adapted to patient´s tolerability, and one session of physiotherapy per day. Mobilization will be schedule to start from 24 hours from symptoms onset according to the local Stroke Unit protocol.
他の：Standard care
Standard protocol of mobilization in acute stroke patients admitted to the Stroke Unit at the discretion of the nursing and physiotherapy staff
実験的：Intensive mobilization group
The Intensive mobilization intervention will include the standard care plus at least two additional sessions each day of at least 20 minutes each session focused on task specific sitting, standing and walking activities. The intervention will be schedule to start at 24 hours from symptoms onset and will last 14 days or until the patient is discharged.
他の：Early Mobilization
Additional 2 or more sessions of out-of-bed activity to the standard stroke care, focused in active sitting, standing and walking assisted by physiotherapists

この研究は何を測定していますか？

主要な結果の測定

結果測定
メジャーの説明
時間枠
Postural Assessment Scale for Stroke
時間枠：90 days
Balance and mobility assessed with the Postural Assessment Scale for Stroke patients (PASS), in its validated Spanish version. The PASS contains 12 four-level items of varying difficulty for assessing ability to maintain or change a given lying, sitting, or standing posture. Each item is scored from 0 to 3, with 0 being the lowest level of functionality and 3 the highest. The total score ranges from 0 to 36 (highest score best).
90 days

二次結果の測定

結果測定
メジャーの説明
時間枠
Health-related quality of life
時間枠：Discharge and 90 days
Assessment of Quality of life with the questionnaire EuroQol 5 Dimensions (5D) 5 Levels (5L) (EQ-5D-5L), where 1 means no problems and 5 means extreme problems in each dimension (mobility, self-care, usual activities, pain/discomfort and anxiety/depression).
Discharge and 90 days
Modified Rankin scale
時間枠：90 days
Functional assessment with the modified Rankin scale (0 to 6, highest score worse).
90 days
Neurological deterioration measured with the NIHSS
時間枠：14 days
Neurological deterioration during hospitalization measured as an increase in the NIHSS score in 2 or more points score (early at 24 hours and during the intervention)
14 days
Recurrent Stroke
時間枠：90 days
Stroke recurrence during hospitalization
90 days
Falls after stroke
時間枠：90 days
Reported incidence of Falls after stroke
90 days

協力者と研究者

ここでは、この調査に関係する人々や組織を見つけることができます。

スポンサー

Fundació Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau

協力者

Fundació La Marató de TV3

捜査官

  • 主任研究者：Raquel Delgado-Mederos, MD, PhD、Fundació Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau

研究記録日

これらの日付は、ClinicalTrials.gov への研究記録と要約結果の提出の進捗状況を追跡します。研究記録と報告された結果は、国立医学図書館 (NLM) によって審査され、公開 Web サイトに掲載される前に、特定の品質管理基準を満たしていることが確認されます。

主要日程の研究

研究開始 (実際)

2019年4月2日

一次修了 (実際)

2021年10月18日

研究の完了 (実際)

2021年10月18日

試験登録日

最初に提出

2021年4月6日

QC基準を満たした最初の提出物

2021年4月13日

最初の投稿 (実際)

2021年4月19日

学習記録の更新

投稿された最後の更新 (実際)

2021年12月10日

QC基準を満たした最後の更新が送信されました

2021年11月29日

最終確認日

2021年11月1日

詳しくは

本研究に関する用語

追加の関連 MeSH 用語

その他の研究ID番号

  • IIBSP-CBF-2017-52

個々の参加者データ (IPD) の計画

個々の参加者データ (IPD) を共有する予定はありますか?

いいえ

医薬品およびデバイス情報、研究文書

米国FDA規制医薬品の研究

いいえ

米国FDA規制機器製品の研究

いいえ

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