Low Dose Prolonged Infusion of Tissue Type Plasminogen Activator Therapy

Status Recruiting

Clinical Trial Summary

The aim of the present study was to assess the effects of low-dose (25mg) prolonged administration (in 6 hours) of tissue type plasminogen activator (tPA) on in-hospital mortality and outcomes in patients with massive PE.

Clinical Trial Description

Pulmonary embolism (PE) is life threatening disease requiring early diagnosis and treatment. Thrombolytic therapy (TT) is required in patients with massive PE. PE has a high mortality but the in-hospital all-cause case mortality rates were lower in unstable patients who received TT than those who did not. However, it was reported that minority (nearly 30%) of unstable patients received thrombolytic therapy. The reason that majority of unstable patients failed to receive thrombolytic therapy is unclear. The higher rates of complications including the life threatening bleeding may be a reason of reluctance in the use of TT.

The lungs are the only organ receiving the entire cardiac output. Therefore, they are the point of convergence for the entire molecules of the thrombolytic agent, independent from the route of administration. So that lower doses of the TT might be effective in PE, with the additional benefits of enhancing its safety profile. The percutaneous endovenous intervention for deep venous thrombosis has suggested an exquisitely favorable pulmonary response to low-dose thrombolysis. The aim of the present study was to assess the effects of low-dose (25mg) prolonged administration (in 6 hours) of tissue type plasminogen activator (tPA) on in-hospital mortality and outcomes in patients with massive PE.

The primary end points consisted of in hospital all cause mortality, major complications, pulmonary hypertension and right ventricular dysfunction. Secondary points are all cause mortality, pulmonary hypertension and right ventricular dysfunction at 6 month. ;

Study Design

Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02029456
Study type	Interventional
Source	Ahi Evren Chest and Cardiovascular Surgery Education and Research Hospital
Contact	Ahmet Ç Aykan, MD
Phone	905058689461
Email	ahmetaykan@yahoo.com
Status	Recruiting
Phase	Phase 4
Start date	June 2011
Completion date	August 2014

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Low Dose Prolonged Infusion of Tissue Type Plasminogen Activator Therapy in Massive Pulmonary Embolism

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms