CC-101 (f/k/a NR1) Neural Stem Cell Transplantation for Adults With Chronic Ischemic Stroke (suNR1se II)
A Phase 2b, Prospective, Randomized, Multi-Center, Double-Blinded, Controlled Trial to Assess the Efficacy and Safety of Stereotactic Intracerebral Transplantation of Allogeneic Neural Stem Cells CC-101 (f/k/a NR1) in Adults With Chronic Ischemic Subcortical ± Cortical Stroke
Panoramica dello studio
Stato
Stato
Condizioni
Condizioni
Intervento / Trattamento
Intervento / Trattamento
Descrizione dettagliata
Tipo di studio
Tipo di studio
Iscrizione (Stimato)
Iscrizione
Fase
Fase
- Fase 2
Contatti e Sedi
Contatto studio
Contatto studio
- Nome: Ruth Antoine, MS, MBA
- Numero di telefono: 732-551-6611
- Email: rantoine@clarioncells.com
Backup dei contatti dello studio
- Nome: Steven R Deitcher, MD
- Email: srdeitcher@clarioncells.com
Criteri di partecipazione
Criteri di ammissibilità
Criteri di ammissibilità
Età idonea allo studio
- Adulto
- Adulto più anziano
Accetta volontari sani
Descrizione
KEY INCLUSION CRITERIA:
- Confirmed diagnosis of completed ischemic subcortical stroke in the middle cerebral artery (MCA) distribution with or without cortical involvement based on magnetic resonance imaging (MRI) and/or computed tomography (CT) scan(s).
- Index stroke occurred ≥ 6 months and ≤ 84 months prior to providing informed consent.
- Age ≥ 18 years and ≤ 75 years at the time of providing informed consent.
- Chronic motor neurological deficit due to the index stroke.
- Total Fugl-Meyer Motor Scale (FMMS) > 25 and ≤ 75 at baseline.
- Modified Rankin Score (mRS) of 2-4 at baseline.
- Subjects taking oral anti-spasticity agent (such as tizanidine hydrochloride or baclofen) must be on a stable dose for 90 days prior to a Screening/Baseline visit.
KEY EXCLUSION CRITERIA:
- Stroke lesion <1 cm3 or >100 cm3 as measured by MRI.
- Previous history of symptomatic stroke(s) with incomplete motor recovery (NOT including index stroke).
- Complete or near complete lack of right and/or left upper extremity and/or right and/or left lower extremity movement as defined by the MRC Scale for Muscle Strength scores.
- History of any neuromuscular, rheumatologic, autoimmune, orthopedic, or other disease or condition that limits motor function.
- Acute myocardial infarction (heart attack), acute pulmonary embolism (blood clot to the lungs), acute proximal deep vein thrombosis (blood clot in the leg or arm), acute peripheral arterial occlusion, or any other type of acute blood clotting episode within six (6) months of study screening.
- Intracoronary and/or other intra-arterial stent placement within 12 months of study Screening/Baseline visits requiring uninterrupted anticoagulant and/or anti-platelet therapy.
- Contracture involving a shoulder, elbow, wrist, finger, hip, knee, and/or ankle.
- Any contraindication to stereotactic brain surgery.
- Presence of serum anti-Human Leukocyte Antigen (HLA) Class I and/or Class II antibodies to donor NR1 cells with a Luminex assay value greater than the larger of the central lab's reference ULN or 3,000 Maximum Fluorescence Intensity.
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Trattamento
- Assegnazione: Randomizzato
- Modello interventistico: Assegnazione parallela
- Mascheramento: Quadruplicare
Numero di armi
Armi e interventi
Gruppo di partecipanti / ArmGruppo di partecipanti / Arm |
Intervento / TrattamentoIntervento / Trattamento |
|---|---|
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Sperimentale: CC-101 (f/k/a NR1) + oral Tacrolimus [ARM A]
Participants will receive stereotactic intracerebral administration of investigational CC-101 allogeneic neural stem cells on Day 0 plus twice-daily oral tacrolimus anti-rejection therapy from Day -2 to Day +60.
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Investigational allogeneic neural stem cell product administered stereotactically via intracerebral injection immediately adjacent to the prior stroke lesion.
Oral tacrolimus or tacrolimus-matched placebo initiated prior to study intervention and continued for approximately 60 days following study intervention per protocol-defined dosing and taper schedule.
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Comparatore fittizio: Partial thickness burr hole without any cells + oral Tacrolimus-matched placebo [ARM B]
Participants will undergo a sham surgical control procedure on Day 0 designed to preserve study blinding along with twice-daily oral tacrolimus-matched placebo from Day -2 to Day +60.
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Participants will undergo a partial thickness burr hole craniotomy without disruption of the meninges or transplantation of any cells as a means to maintain treatment masking.
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Sperimentale: CC-101 (f/k/a NR1) + oral Tacrolimus-matched placebo [ARM C]
Participants will receive stereotactic intracerebral administration of investigational CC-101 allogeneic neural stem cells on Day 0 plus twice-daily oral tacrolimus-matched placebo therapy from Day -2 to Day +60.
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Investigational allogeneic neural stem cell product administered stereotactically via intracerebral injection immediately adjacent to the prior stroke lesion.
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Cosa sta misurando lo studio?
Misure di risultato primarie
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Total Fugl-Meyer Motor Scale (FMMS) Score on Day +365 Following Neurosurgical Intervention (CC-101 transplantation or sham surgery) on Day 0.
Lasso di tempo: Baseline to Day +365.
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The total Fugl-Meyer Motor Scale (FMMS) score (0-100; the larger the better) reflects the sum of the upper extremity (0-66) and lower extremity (0-34) FMMS scores.
For each study subject, this clinical assessment of motor function on Day +365 will be compared with the baseline total FMMS score to determine the interval change in motor function.
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Baseline to Day +365.
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Misure di risultato secondarie
Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Total Fugl-Meyer Motor Scale (FMMS) Score on Day +365 Following Neurosurgical Intervention (CC-101 transplantation or sham surgery) on Day 0.
Lasso di tempo: Baseline to Day +365.
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Each study subject will be categorized as having an increase in total FMMS score of ≥10 points or an increase of <10 points (including unchanged scores and decreased scores) between baseline assessment and assessment on Day +365 following neurosurgical intervention.
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Baseline to Day +365.
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Total Fugl-Meyer Motor Scale (FMMS) Score on Day +90 and Day +182 Following Neurosurgical Intervention (CC-101 transplantation or sham surgery) on Day 0.
Lasso di tempo: Baseline to Day +90 and baseline to Day +182
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For each study subject, this clinical assessment of motor function on Day +90 and Day +182 will be compared with the baseline total FMMS score to determine the interval change in motor function.
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Baseline to Day +90 and baseline to Day +182
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Total Fugl-Meyer Motor Scale (FMMS) Score on Day +90 and Day +182 Following Neurosurgical Intervention (CC-101 transplantation or sham surgery) on Day 0.
Lasso di tempo: Baseline to Day +90 and baseline to Day +182.
|
Each study subject will be categorized as having an increase in total FMMS score of ≥10 points or an increase of <10 points (including unchanged scores and decreased scores) between baseline assessment and assessments on Day +90 and on Day +182 following neurosurgical intervention.
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Baseline to Day +90 and baseline to Day +182.
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Upper Extremity Motor Function as Assessed by the Action Research Arm Test (ARAT) on Day +365 Following Neurosurgical Intervention (CC-101 transplantation or sham surgery) on Day 0.
Lasso di tempo: Baseline to Day +365.
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Each study subject will be categorized as having an increase in ARAT score of ≥5.7 points or an increase of <5.7 points (including unchanged scores and decreased scores) between baseline assessment and assessment on Day +365 following neurosurgical intervention.
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Baseline to Day +365.
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Barthel Index on Day +90 and Day +182 Following Neurosurgical Intervention (CC-101 transplantation or sham surgery) on Day 0.
Lasso di tempo: Baseline to Day +90 and baseline to Day +182.
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For each study subject, this clinical assessment of functional independence on Day +90 and Day +182 will be compared with the baseline Barthel Index to determine the interval change.
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Baseline to Day +90 and baseline to Day +182.
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Gait Velocity Using the Comfortable Gait Speed Test Measuring 10 Meters of Timed Gait Speed on Day +365 Following Neurosurgical Intervention (CC-101 transplantation or sham surgery) on Day 0..
Lasso di tempo: Baseline to Day +365.
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Each study subject will be categorized as having or not having an improvement in gait function by at least one functional level using the 10-meter walk test between baseline assessment and assessment on Day +365 following neurosurgical intervention.
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Baseline to Day +365.
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Overall Survival on Day +90, Day +182, and Day +365 Following Neurosurgical Intervention (CC-101 transplantation or sham surgery) on Day 0.
Lasso di tempo: Survival rates at Day +90, Day +182, and Day +365.
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Subject survival to key assessment milestones will be assessed.
Time to all-cause subject death following study Day 0 neurosurgery will be estimated using the product-limit (Kaplan-Meier) method.
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Survival rates at Day +90, Day +182, and Day +365.
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Collaboratori e investigatori
Sponsor
Sponsor
Investigatori
Investigatori
- Cattedra di studio: Gary K Steinberg, MD, PhD, Stanford University School of Medicine, Department of Neurosurgery
Studiare le date dei record
Studia le date principali
Inizio studio (Stimato)
Inizio studio
Completamento primario (Stimato)
Completamento primario
Completamento dello studio (Stimato)
Completamento dello studio
Date di iscrizione allo studio
Primo inviato
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Effettivo)
Primo Inserito
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento pubblicato
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Parole chiave
Termini MeSH pertinenti aggiuntivi
Altri numeri di identificazione dello studio
Altri numeri di identificazione dello studio
- NR1-03
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