Airway administration of activated protein C in inflammatory conditions affecting the respiratory tract

A protein, inflammatory technology, applied in the field of airway administration of activated protein C in inflammatory conditions affecting the respiratory tract, can solve problems such as reduced fibrinolytic activity

Inactive Publication Date: 2013-04-10
DRUGRECURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] At the same time, local fibrinolysis was significantly inhibited, i.e., coagulation was locally upregulated and fibrinolytic activity was significantly reduced in the injured lung

Method used

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  • Airway administration of activated protein C in inflammatory conditions affecting the respiratory tract
  • Airway administration of activated protein C in inflammatory conditions affecting the respiratory tract

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0141] A 60-year-old patient with severe ARDS had opacities mainly concentrated in the right lung as judged by thoracic radiography. Bronchoalveolar lavage (BAL) was performed via bronchoscope in the right lower lobe bronchi using a single dose of 5 mg of activated drotrecogin-α (Xigris) dissolved in 20 ml of normal saline. No significant side effects and airway bleeding were observed. The next day, the cloudiness cleared to some extent in the right lower lobe treated with BAL. On the other hand, as PaO 2 / FiO 2 A single dose of APC did not improve gas exchange as monitored by the ratio.

Embodiment 2

[0144]

[0145]

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Abstract

The present invention provides methods for the local treatment of acute and chronic extravascular pulmonary fibrin deposition and / or reducing unwanted effects associated with systemic administration of natural anticoagulants to a subject via airway administration to the subject by intratracheal, intrabronchial or intraalveolar routes of natural anticoagulants or biologically active derivatives thereof.

Description

[0001] All patent and non-patent literature cited in the application or in the present application are also incorporated herein by reference in their entirety. field of invention [0002] The present invention provides methods of preventing acute, recurrent and chronic fibrin deposition in the spaces of the airways (particularly alveoli and / or bronchioles) in children and adults in any disease associated with fibrin deposition. These conditions include: inflammatory lung diseases (such as acute lung injury (ALI)), which can be associated with direct or indirect lung trauma, for example, after ventilator therapy (ventilator-induced lung injury (ventilator Induced Lung Injury, VILI)); inflammatory conditions, such as autoimmune diseases, pancreatitis, aspiration pneumonia; inhalation of toxic fumes; acute respiratory distress syndrome (ARDS), which is a more serious manifestation of acute lung injury; infection, Such as sepsis, severe sepsis, and septic shock; pneumonia of any c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61K38/48A61P11/00
CPCA61K9/007A61K9/0075A61K38/57A61K38/48A61K9/0078A61K38/4866A61P1/18A61P11/00A61P11/06A61P11/16A61P29/00A61P31/04A61P43/00A61P7/02A61K38/16A61K38/00
Inventor 拉斯·O·厄滕塔尔
Owner DRUGRECURE
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