Testing a new stroke treatment using magnetic nanorobots

Steered t-PA Delivery for Thrombolysis Test Using Magnetic Swarming Nanorobots on Human Placenta as an ex Vivo Model of Human Cerebral Vascular System

Observational Chinese University of Hong Kong · NCT04644653

This study is testing a new way to deliver a stroke treatment using tiny magnetic robots to see if it can work better and cause less damage to surrounding tissues.

Quick facts

Study typeObservational
Enrollment100 (estimated)
Ages20 Years to 45 Years
SexFemale
SponsorChinese University of Hong Kong Academic / other
Drugs / interventionschemotherapy, radiation
Locations2 sites (Shatin, New Territories and 1 other locations)
Trial IDNCT04644653 on ClinicalTrials.gov

What this trial studies

This study investigates a novel approach to improve the delivery of tissue plasminogen activator (tPA) for treating thrombosis, particularly in ischemic stroke. By utilizing a magnetic nanorobotic system, the research aims to enhance the targeting accuracy of tPA, minimizing collateral damage to surrounding tissues. The study will use human placenta as an ex vivo model to simulate the human cerebral vascular system, allowing for a controlled environment to assess the effectiveness of this targeted thrombolysis method.

Who should consider this trial

Good fit: Ideal candidates for this study are healthy pregnant women aged 20-45 who are giving childbirth and meet specific health criteria.

Not a fit: Patients with a history of stroke, vascular disease, diabetes, or other significant medical conditions may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could lead to more effective and safer treatments for patients suffering from ischemic strokes and other thrombotic diseases.

How similar studies have performed: While this approach is innovative, similar studies using targeted drug delivery systems have shown promise, suggesting potential for success.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Healthy pregnant women at 20-45 years of age of any ethic origin, giving childbirth with natural delivery or caesarean sections after 37-42 weeks of gestation.
* Healthy singleton pregnancy.
* Participant able to give voluntary, written, informed consent to participate in the study.

Exclusion Criteria:

* Abnormal prenatal development (e.g intrauterine growth restriction)
* Early preterm birth \< 37 weeks
* Verbal Confirmation of hypercholesterolemia
* Family history of stroke or vascular disease
* Type I or Type II diabetes and gestational diabetes
* Cancer, except skin cancers completely excised with no chemotherapy or radiation with a follow up that is negative.
* Clinically significant abnormal laboratory results at screening.
* Any other active or unstable medical condition.
* History of liver disease.
* History of hypertension (including pre-eclampsia)

Where this trial is running

Shatin, New Territories and 1 other locations

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Thrombosis
Last reviewed 2026-06-09 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.