Related Experiment Video
Updated: Apr 16, 2026
10:37
Ferric Chloride-induced Murine Thrombosis Models
Published on: September 5, 2016
23.5K
Tissue plasminogen activator-based clot busting: Controlled delivery approaches
Ibrahim M El-Sherbiny1, Islam E Elkholi2, Magdi H Yacoub3
1Zewail City of Science and Technology, Center for Materials Science, University of Science and Technology, 6th October City, 12588 Giza, Egypt.
Global Cardiology Science & Practice
|March 18, 2015
Summary
Tissue plasminogen activator (tPA) effectively dissolves blood clots but causes dangerous bleeding. This review explores novel delivery methods to improve tPA
Area of Science:
- Biomedical Engineering
- Cardiovascular Research
- Pharmacology
Background:
- Cardiovascular diseases are a leading global cause of death.
- Thrombosis, or blood clot formation, obstructs blood flow, causing ischemic stroke, myocardial infarction, deep vein thrombosis, and pulmonary emboli.
- Tissue plasminogen activator (tPA) is a common thrombolytic agent but has limitations including poor pharmacokinetics and bleeding risks.
Purpose of the Study:
- To review various advanced delivery strategies for tissue plasminogen activator (tPA).
- To address the limitations of conventional systemic tPA administration.
- To enhance thrombolytic efficacy while minimizing adverse bleeding events.
Main Methods:
- Review of literature on novel tPA delivery systems.
- Exploration of targeted and controlled release mechanisms for tPA.
- Analysis of approaches including liposomes, ultrasound, antibody-targeting, camouflage, microcarriers, and nanomodulation.
Main Results:
- Various innovative delivery systems show potential for improved tPA therapy.
- Targeted delivery can enhance thrombolysis at the clot site.
- Controlled release and localized administration may reduce systemic bleeding complications.
Conclusions:
- Advanced tPA delivery approaches offer promising solutions to overcome current therapeutic challenges.
- Further research into these methods could lead to safer and more effective treatments for thrombotic disorders.
- Optimizing tPA delivery is crucial for improving patient outcomes in cardiovascular diseases.
Related Concept Videos
01:29Venous Thrombosis III: Interprofessional Care
471
Venous thrombosis requires effective prevention and treatment strategies to improve patient outcomes and reduce potential complications.Prevention StrategiesHealthcare providers must prioritize preventing venous thromboembolism (VTE) for all adult patients upon admission. Interventions depend on bleeding and thrombosis risk, medical history, current medications, diagnoses, planned procedures, and patient preferences. Patients on bed rest should change positions every two hours and, if not...
471
01:16Clot Retraction and Fibrinolysis
10.5K
After a fibrin clot is formed, the next step is clot retraction, a vital process facilitated by platelet contractile proteins, such as actin and myosin. These proteins pull the fibrin strands closer together and condense the clot. This action reduces the size of the clot, creating a smaller, denser structure that effectively seals off the damaged vessel. Clot retraction consolidates the clot and helps with wound healing by bringing the edges of the damaged blood vessel closer together.
10.5K
01:20Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors
1.6K
Antiplatelet drugs emerge as frontline defenders against the insidious threat of thromboembolic diseases, where abnormal clots obstruct vital blood vessels. These drugs stand as bulwarks, inhibiting platelet aggregation and clot formation, thereby mitigating the risk of life-threatening conditions like myocardial infarction, coronary artery disease, and thrombotic strokes.
Prostaglandin synthesis inhibitors, exemplified by the widely known aspirin, wield their power by irreversibly acetylating...
Prostaglandin synthesis inhibitors, exemplified by the widely known aspirin, wield their power by irreversibly acetylating...
1.6K
01:27Peripheral Artery Disease III: Interprofessional Care
623
Peripheral Artery Disease (PAD) is characterized by narrowed arteries that diminish blood flow to the extremities. Effective management of PAD requires an interprofessional approach involving various healthcare professionals. The critical aspects of interprofessional care for PAD patients focus on risk factor modification, drug therapy, exercise therapy, nutrition therapy, critical limb ischemia care, and interventional radiology and surgical procedures.The primary treatment goal for PAD...
623
01:24Modified-Release Drug Delivery Systems: Site-Targeted
141
Site-targeted drug delivery systems enhance therapeutic efficacy while minimizing systemic toxicity and treatment costs. Unlike conventional methods, these systems ensure precise drug delivery, improving bioavailability and reducing side effects. Targeted drug delivery is classified into three levels. First-order targeting directs drugs to the capillary beds of specific organs or tissues. Second-order targets specific cell types, such as tumor cells, using receptor-mediated interactions.
141
01:29Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care
687
Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
687