# A Safety and Tolerability Study of Neural Stem Cells (NR1) in Subjects With Chronic Ischemic Subcortical Stroke (ISS)

> **NCT04631406** · PHASE1,PHASE2 · ACTIVE_NOT_RECRUITING · sponsor: **Gary Steinberg, MD, PhD** · enrollment: 30 (estimated)

## Conditions studied

- Ischemic Stroke

## Interventions

- **BIOLOGICAL:** Neural Stem Cells

## Key facts

- **NCT ID:** NCT04631406
- **Lead sponsor:** Gary Steinberg, MD, PhD
- **Sponsor class:** OTHER
- **Phase:** PHASE1,PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2021-01-04
- **Primary completion:** 2025-08-31
- **Final completion:** 2029-08-31
- **Target enrollment:** 30 (ESTIMATED)
- **Last updated:** 2025-03-20

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04631406

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04631406, "A Safety and Tolerability Study of Neural Stem Cells (NR1) in Subjects With Chronic Ischemic Subcortical Stroke (ISS)". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT04631406. Licensed CC0.

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