Use of formulations containing halogenated volatile anesthetics for the preparation of formulations for the treatment of patients whose tissues have ischemic events by parenteral administration

A technology of volatile, anesthetics, applied in the field of application of preparations containing halogenated volatile anesthetics in the preparation of preparations for the treatment of patients with ischemic events in tissues by parenteral administration, capable of solving unawareness, Unaware of issues such as tissue protection of parenteral preparations

Inactive Publication Date: 2011-12-21
BAXTER INT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the art is unaware of the need to use such parenteral formulations for tissue protection, especially outside of surgical anesthesia to obtain such tissue protection

Method used

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  • Use of formulations containing halogenated volatile anesthetics for the preparation of formulations for the treatment of patients whose tissues have ischemic events by parenteral administration
  • Use of formulations containing halogenated volatile anesthetics for the preparation of formulations for the treatment of patients whose tissues have ischemic events by parenteral administration
  • Use of formulations containing halogenated volatile anesthetics for the preparation of formulations for the treatment of patients whose tissues have ischemic events by parenteral administration

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063] Embodiment 1: the preparation of intravenous HVA preparation

[0064] In this example, the preparation of a sevoflurane emulsion formulation is specifically described. A similar approach was used for formulations containing enflurane, isoflurane and desflurane (see below).

[0065] Prepare the oil phase:

[0066] The container and its stirring device are tared together.

[0067] Refined soybean oil is added to it.

[0068] Heat the oil to approximately 50±5°C.

[0069] Add lecithin to the oil phase container.

[0070] Mix the contents until the lecithin is completely dissolved.

[0071] The temperature of the oil / lecithin is adjusted to about 22±2°C and maintained at this temperature.

[0072] Add the required amount of sevoflurane and maintain the temperature at 22±2°C.

[0073] Prepare the water phase

[0074] The vessel used to prepare the aqueous phase and its stirring device are tared together.

[0075] Add required water for injection to the water phase...

Embodiment 2

[0096] Embodiment 2: Intravenous use of desflurane, enflurane, isoflurane and sevoflurane on myocardial infarction in rabbits cumulative impact

[0097] These experiments were designed to demonstrate the effect of intravenous administration of different HVAs (enflurane, isoflurane, sevoflurane, and desflurane) in emulsion on myocardial infarct size after ischemia and reperfusion in rabbits. routine preparation

[0098] Male New Zealand White rabbits weighing between 2.5 and 3.0 kg were anesthetized with intravenous sodium pentobarbital (30 mg / kg). Additional doses of pentobarbital were titrated as needed to ensure loss of foot and eyelid reflexes throughout the trial. A tracheotomy is performed through a midline incision in the abdomen, and the trachea is catheterized. Using an air-oxygen mixture (FiO 2 = 0.33) to ventilate the rabbits. Maintain arterial blood gas tension and acid-base status within normal physiological ranges (pH 7.35-7.45, PaCO 2 25-40mmHg, and PaO...

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Abstract

The present invention relates to the use of formulations containing halogenated volatile anesthetics in the preparation of formulations for parenteral administration for the treatment of patients with tissue ischemic events. The present invention provides methods of treating a patient whose tissue has an ischemic event. The method is performed by parenterally administering to a patient a formulation comprising a halogenated volatile anesthetic in an amount effective to improve tissue resistance or tolerance to an ischemic event. In a preferred embodiment of the invention, the amount of the formulation administered to the patient is a sub-anaesthetic amount. The formulation can be administered before, during, or after the ischemic event. The method can be used, for example, to treat patients with ischemic events in myocardial or neuronal tissue.

Description

[0001] This application is a divisional case of the international application PCT / US2003 / 031826, which entered the Chinese national phase on April 11, 2005, with the application number 200380101225.6 and the title of the invention "Method for protecting the heart and nerves by intravenous administration of halogenated volatile anesthetics" Apply. [0002] This application claims priority to US Provisional Patent Application Serial No. 60 / 417,934, filed October 11, 2002, the contents of which are incorporated herein by reference as if fully set forth herein. technical field [0003] The present invention relates to a method of improving tissue tolerance and resistance to ischemic events in a patient by administering to the patient an intravenous formulation comprising an effective amount of a halogenated volatile anesthetic (HVA). Background technique [0004] Preclinical and clinical evidence suggests that HVAs (eg, halothane, methoxyflurane, isoflurane, enflurane, desfluran...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K31/08A61K31/02A61K9/107A61P9/10A61K47/24A61K47/44
CPCA61K47/44A61K47/24A61K31/02A61K9/0019A61K9/1075A61P1/04A61P1/16A61P9/00A61P9/02A61P9/10A61P9/14A61P13/12A61P25/20A61P25/28A61P27/02
Inventor 劳尔·特里洛拉尔夫·莱瑟萨蒂什·佩亚韦尔纳夫尼特·普里
Owner BAXTER INT INC
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