Study of ALD-401 Via Intracarotid Infusion in Ischemic Stroke Subjects

Stroke Clinical Trial

Official title: A Phase 2 Randomized, Controlled Study With a Phase 1 Safety Cohort Testing ALD-401 Derived From Autologous Bone Marrow Delivered Via Intracarotid Infusion in Subjects With Ischemic Stroke With Blinded Assessments

Status Unknown status

Clinical Trial Summary

The purpose of this study is to demonstrate the safety of the delivery of ALD-401 by intracarotid infusion and to assess efficacy of treatment in subjects who have had unilateral, predominately cortical, ischemic strokes in the middle cerebral artery (MCA). ALD-401 is made from the stroke patient's bone marrow and infused 13-19 days after the stroke.

Clinical Trial Description

This is a randomized, sham-controlled, multi-center, parallel-group, study in male and female subjects, designed to determine the safety and efficacy of ALD-401 in treating primary ischemic stroke. Approximately 100 subjects will be randomized 3:2 within a site to the treatment or sham control arm. Subjects experiencing an ischemic stroke will undergo either a bone marrow or a sham harvest on days 11-17 and be dosed with ALD-401 or a sham procedure 13-19 days after the primary event. Bone marrow cells are processed, sorted and formulated into a 3 mL suspension of ALD-401. Two days after harvest, subjects in the ALD-401 group will have their processed bone marrow cells (ALD-401) injected via intracarotid/MCA infusion, while control subjects have a sham infusion. All subjects will be followed for 12 months to monitor safety and to assess mental and physical function.

This study seeks to demonstrate safety of ALD-401 derived from autologous bone marrow and given via intracarotid delivery in a therapeutic window of 13-19 days post primary stroke event. This dosing window was selected to allow post-stroke inflammatory response to recede and therefore minimize the impact of resident inflammatory cells on the administration of ALD-401. This dosing window was consistent with information derived from pre-clinical models. Intracarotid/MCA delivery may offer minimal loss or dilution of therapeutic cells prior to localization in and around the ischemic area of the brain. ALD-401 will be manufactured from the patient's own bone marrow harvested 11-17 days after the primary stroke event. ;

Related Conditions & MeSH terms

• Cerebral Infarction
• Ischemia
• Ischemic Stroke
• Stroke
• Stroke in Middle Cerebral Artery (MCA)

• NCT number: NCT01273337
• Study type: Interventional
• Source: Aldagen
• Status: Unknown status
• Phase: Phase 2
• Start date: March 2011
• Completion date: January 2015