- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT07645586
A Phase 3 Trial of Lesion Network Mapping-Guided cTBS for Motor Recovery After Acute Ischemic Stroke (MASTRE-3)
Lesion Network Mapping-Navigated Continuous Theta-Burst Stimulation for Motor Recovery in Acute Ischemic Stroke: A Randomized, Double-Blind, Sham-Controlled, Multicentre Phase 3 Trial: MASTRE-3
Panoramica dello studio
Stato
Condizioni
Intervento / Trattamento
Descrizione dettagliata
Acute ischemic stroke often leads to persistent motor impairment despite standard medical treatment and rehabilitation. The early post-stroke period may represent an important window for modulating brain network plasticity and promoting recovery. Continuous theta burst stimulation (cTBS), a patterned form of repetitive transcranial magnetic stimulation, can modulate cortical excitability over a short stimulation period and may support recovery when applied to clinically relevant motor networks.
This study evaluates a personalized neuromodulation approach based on lesion network mapping. For each participant, the acute infarct lesion is identified on clinical brain imaging and mapped to a reference functional connectome to estimate lesion-associated networks. Candidate stimulation targets are selected from symptom-relevant cortical network nodes, with consideration of accessibility, safety, and electric-field modeling. Neuronavigation is used to guide coil placement and maintain targeting accuracy.
Active treatment consists of lesion network mapping-guided cTBS delivered to individualized cortical targets using a figure-8 coil under neuronavigation. Sham stimulation follows the same imaging-based target selection, electric-field modeling, positioning, and procedural workflow, but uses a sham coil designed to mimic the sensory and acoustic features of stimulation without delivering a therapeutic magnetic field. This approach is intended to maintain blinding while isolating the effect of active stimulation.
This Phase 3 trial evaluates the efficacy and safety of individualized lesion network mapping-guided cTBS for recovery after acute ischemic stroke.
Tipo di studio
Iscrizione (Stimato)
Fase
- Fase 3
Contatti e Sedi
Contatto studio
- Nome: Zixiao Li, MD
- Email: lizixiao2008@hotmail.com
Backup dei contatti dello studio
- Nome: Lingling Ding, MD
- Numero di telefono: 008613552358752
- Email: dinglingling@bjtth.org
Luoghi di studio
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Beijing, Cina, 100070
- Beijing Tiantan Hospital
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Contatto:
- Zixiao Li, MD
- Email: lizixiao2008@hotmail.com
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Contatto:
- Lingling Ding, MD
- Numero di telefono: 008613552358752
- Email: dinglingling@bjtth.org
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Investigatore principale:
- Zixiao Li, MD
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Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
- Adulto
- Adulto più anziano
Accetta volontari sani
Descrizione
Inclusion Criteria:
- Age 18-80 years.
- Ischemic stroke onset within the past 14 days.
- Unilateral, supratentorial ischemic stroke confirmed by CT or MRI.
- Pre-stroke modified Rankin Scale (mRS) score of 0-1.
- NIH Stroke Scale (NIHSS) total score 6-25, with item 1a ≤ 1 point, and at least one of items 5a, 5b, 6a, or 6b ≥ 2 points.
- Written informed consent signed by the patient or the patient's legally authorized representative.
Exclusion Criteria:
- Contraindications to TMS (e.g. cranial metallic foreign bodies, cardiac pacemaker, implanted drug pump, cochlear implant).
- History of epilepsy or seizure, intracranial hypertension, tumor, or other serious neurological disease.
- Midline shift or parenchymal mass effect on cranial CT or other imaging.
- CT or MRI evidence of bilateral acute cerebral infarction or infratentorial acute infarction (brainstem or cerebellum).
- Evidence of acute intracranial hemorrhage, including spontaneous intracerebral hemorrhage, epidural hematoma, subdural hematoma, intraventricular hemorrhage, or subarachnoid hemorrhage.
- Pre-stroke mRS ≥ 2.
- Systolic blood pressure ≥ 180 mmHg or diastolic blood pressure ≥ 110 mmHg despite antihypertensive treatment.
- Pregnant or breastfeeding women, or women planning pregnancy within 90 days.
- Severe psychiatric disorders or dementia (or other conditions) precluding informed consent or follow-up.
- Concomitant malignant tumor or severe systemic disease with life expectancy < 90 days.
- Participation in any other interventional clinical study within 30 days before randomization, or currently enrolled in such a study.
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Trattamento
- Assegnazione: Randomizzato
- Modello interventistico: Assegnazione parallela
- Mascheramento: Quadruplicare
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
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Sperimentale: LNM-navigated cTBS group
Participants receive active lesion network mapping (LNM)-navigated continuous theta burst stimulation (cTBS).
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Individualized treatment targets are defined by outlining each patient's acute infarct lesion on MRI and projecting it onto a normative functional connectivity map to identify symptom-relevant network nodes within sensorimotor regions.
Treatment is delivered over seven consecutive days using a figure-8 coil guided by neuronavigation.
cTBS consists of 3-pulse bursts at 50 Hz, repeated at 5 Hz, for a total of 600 pulses over 40 seconds, delivered at 80% of the resting motor threshold (RMT).
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Comparatore fittizio: Sham cTBS group
Participants receive sham LNM-navigated cTBS using procedures that mimic the active intervention.
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Sham stimulation follows the same MRI-based lesion mapping, target selection, neuronavigation workflow, coil positioning, timing, acoustic noise, and treatment course as the active group, but uses a sham figure-8 coil that mimics stimulation without generating a significant magnetic field.
This design helps maintain blinding of participants and assessors while ensuring that no effective magnetic stimulation is delivered.
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Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Proportion of patients achieving mRS 0-2
Lasso di tempo: Day 90 post-randomization
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Day 90 post-randomization
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Proportion experiencing serious adverse events (SAEs)
Lasso di tempo: Within 90 days post-randomization
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Proportion experiencing serious adverse events (SAEs), including seizures
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Within 90 days post-randomization
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Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Distribution shift in mRS scores
Lasso di tempo: Day 90 post-randomization
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Day 90 post-randomization
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Proportion of patients achieving mRS 0-1
Lasso di tempo: Day 90 post-randomization
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Day 90 post-randomization
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National Institutes of Health Stroke Scale (NIHSS) total score
Lasso di tempo: Day 7 post-randomization
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Change in National Institutes of Health Stroke Scale (NIHSS) total score from baseline to 7 days post-randomization.
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Day 7 post-randomization
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Fugl-Meyer Assessment (FMA) score
Lasso di tempo: Day 7 post-randomization
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Change in Fugl-Meyer Assessment (FMA) score from baseline to 7 days post-randomization.
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Day 7 post-randomization
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Barthel Index of Activities of Daily Living score
Lasso di tempo: Day 90 post-randomization
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Day 90 post-randomization
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EQ-5D-5L
Lasso di tempo: Day 90 post-randomization
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EuroQol five-dimensional five-level health questionnaire
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Day 90 post-randomization
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Early neurological deterioration
Lasso di tempo: 7 days post-randomisation
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Proportion of patients with neurological deterioration (defined as a ≥4-point increase in NIHSS score) within 7 days post-randomisation.
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7 days post-randomisation
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Proportion of participants with insomnia
Lasso di tempo: Within 7 days after randomization.
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The proportion of participants with insomnia reported within 7 days after randomization.
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Within 7 days after randomization.
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Proportion of participants with headache
Lasso di tempo: Within 7 days after randomization;
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The proportion of participants with headache reported within 7 days after randomization;
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Within 7 days after randomization;
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Proportion of participants with symptomatic intracranial hemorrhage
Lasso di tempo: Within 7 days after randomization.
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The proportion of participants with symptomatic intracranial hemorrhage reported within 7 days after randomization.
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Within 7 days after randomization.
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All-Cause Mortality
Lasso di tempo: Within 90 days post-randomization
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Proportion of patients who died from any cause
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Within 90 days post-randomization
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Proportion with symptomatic stroke (ischemic or hemorrhagic)
Lasso di tempo: Within 90 days post-randomization
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Within 90 days post-randomization
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Any Adverse Events (AEs)
Lasso di tempo: Within 90 days post-randomization
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Proportion experiencing any adverse events
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Within 90 days post-randomization
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Collaboratori e investigatori
Sponsor
Pubblicazioni e link utili
Studiare le date dei record
Studia le date principali
Inizio studio (Stimato)
Completamento primario (Stimato)
Completamento dello studio (Stimato)
Date di iscrizione allo studio
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Effettivo)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Parole chiave
Termini MeSH pertinenti aggiuntivi
Altri numeri di identificazione dello studio
- ZLRK202509
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