Autologous Mitochondrial Transplant for Cerebral Ischemia

This study is testing a new approach called autologous mitochondrial transplantation for people experiencing cerebral ischemia (a type of stroke caused by lack of blood flow to the brain). During a standard procedure to restore blood flow, your own healthy mitochondria (tiny parts of cells that produce energy) would be infused into the affected brain area. The main goal of this study is to see if this treatment is safe, by looking for any serious side effects during and shortly after the infusion, and up to seven days later. This study is for adults aged 18 to 85 who are eligible for certain standard stroke treatments. The study plans to enroll 20 participants, but its current status is unclear.

Study design
This is an interventional study, meaning participants will receive a specific treatment. It plans to enroll 20 participants, but the phase of the study is not specified.
What's involved
You would receive an infusion of your own mitochondria during a standard endovascular reperfusion procedure for stroke. The study will monitor you for side effects during and immediately after the infusion, and for up to seven days after the procedure.
Compensation
Not stated in the trial record.
Follow-up
You will be monitored for severe adverse events during the mitochondrial infusion, up to three hours post-infusion, and up to seven days after the procedure completion.

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NCT04998357

Autologous Mitochondrial Transplant for Cerebral Ischemia

Recruiting
NAAges 18–85InterventionalTreatment
University of Washington
~20 participants
Updated 2025-05-21 on ClinicalTrials.gov
What's tested:Endovascular autologous mitochondrial transplantation

At a glance

Recruiting sites
1 of 1 listed site is recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
Incidence of severe adverse events during mitochondrial infusion
Measured over Through completion of reperfusion therapy, up to one hour post-infusion
+3 more outcomes measured
Cerebral Ischemia
1 sites across 1 states
Washington1
  • Melanie S Walker, MD · PRINCIPAL_INVESTIGATOR · University of Washington

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Eligibility criteria

Inclusion

Eligible for endovascular thrombectomy to treat acute large vessel occlusion
Eligible for angioplasty (microcatheter-based balloon/mechanical and chemical angioplasty) to treat acute cerebral vasospasm after aneurysmal subarachnoid hemorrhage
Subjects for whom there is likely to be enough time to obtain meaningful consent from patient or legally-authorized representative

Exclusion

Unable to receive a brain MRI scan
Known mitochondrial disease
Hemodynamically unstable patients in whom standard of care endovascular reperfusion treatment cannot safely be performed or completed
  • Incidence of severe adverse events during mitochondrial infusionThrough completion of reperfusion therapy, up to one hour post-infusion

    Cerebral angiography is performed and reviewed in real-time throughout the standard of care reperfusion treatment, including before and after microcatheter infusion of mitochondria.

  • Incidence of severe adverse vascular events immediately post-mitochondrial infusionUp to 3 hours post-mitochondrial infusion

    Post-reperfusion therapy, CT scans are performed as part of the standard of care. The post-procedure CT scan will be reviewed for severe adverse events associated with the microcatheter infusion of mitochondria.

  • Incidence of severe systemic adverse events associated with mitochondrial infusionUp to seven days after procedure completion

    Post-reperfusion therapy, peripheral blood studies are performed and reviewed as part of the standard of care to assess systemic function. These include complete blood counts, coagulation studies, and serum chemistry.

  • Incidence of severe adverse events related to muscle biopsyUp to six hours after procedure completion

    Muscle biopsy is obtained through the same incision as vascular access. The access site is evaluated via physical examination by medical personnel for six hours post-intervention per standard of care protocol.