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Treatment of Retinopathy of Prematurity (ROP)

a retinopathy and prematurity technology, applied in the field of rop treatment, can solve the problems of prematurity child at risk for multiorgan damage, toxic to prematurity developing tissues, prematurity retina, etc., and achieve the effects of rop, oxygen toxicity, and preservation of retinal vessels

Inactive Publication Date: 2018-02-15
THE CLEVELAND CLINIC FOUND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent text describes a method for protecting the retina of infants' eyes from oxygen toxicity without limiting the amount of oxygen supplementation necessary to sustain their life. The method involves using a specific compound called FG-4592, which has been shown to protect the retinal vessels and inhibit damage caused by hyperoxia (excess oxygen) in mice. This approach may contribute to the development of safer and more effective treatments for premature infants at risk of retinopathy of prematurity (a common eye condition in this population).

Problems solved by technology

Premature birth interrupts this process and places the premature child at risk for multiorgan damage due to a simple paradox of oxygen—oxygen is necessary to keep premature infants alive, but is toxic to premature developing tissues, including the pre-term retina.

Method used

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  • Treatment of Retinopathy of Prematurity (ROP)
  • Treatment of Retinopathy of Prematurity (ROP)
  • Treatment of Retinopathy of Prematurity (ROP)

Examples

Experimental program
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Effect test

first embodiment

[0045]In the compound of Structural Formula I:[0046]R1 is selected from the group consisting of hydrogen, alkyl, alkoxy, amino, substituted amino, aminoacyl, aryl, halo, heteroaryl, heterocyclyl and —XR6;[0047]X is oxygen, —S(O)n— or —NR7—;[0048]n is 0, 1 or 2;[0049]R6 is selected from the group consisting of alkyl, aryl, cycloalkyl, heteroaryl and heterocyclyl; and[0050]R7 is hydrogen, alkyl or aryl; or[0051]R6 and R7, together with the nitrogen atom to which they are commonly bound, form a heterocyclyl;[0052]R2 and R3 are independently selected from the group consisting of hydrogen, alkyl, aryl, heteroaryl, halo, hydroxy, cyano, —S(O)m—NR8—R8, —NR8C(O)NR8R8 and —YR8;[0053]m is 0, 1 or 2;[0054]Y is oxygen, —S(O)m′- or —NR9—;[0055]m′ is 0, 1 or 2;[0056]each R8 is independently selected from the group consisting of hydrogen, alkyl, aryl, cycloalkyl, heteroaryl and heterocyclyl; and[0057]R9 is selected from the group consisting of hydrogen, alkyl and aryl; or[0058]R8 and R9, together ...

second embodiment

[0077]In the compound of Structural Formula I, the compound of Formula I is represented by Structural Formula Ia:

or a pharmaceutically acceptable salt thereof, wherein R1 and R2 are as defined and described in the first embodiment, or any aspect thereof.

third embodiment

[0078]In the compound of Structural Formula I, the compound of Structural Formula I is represented by Structural Formula II:

or a pharmaceutically acceptable salt thereof. The compound of Structural Formula II is also referred to herein as FG-4592.

[0079]“Alkyl,” as used herein, refers to a saturated branched or straight-chained monovalent hydrocarbon group having 1 to 10 carbon atoms, particularly, 1 to 5 carbon atoms and, more particularly, 1 to 3 carbon atoms. Exemplary alkyl groups include methyl, ethyl, n-propyl, iso-propyl, n-butyl, t-butyl, n-pentyl and the like.

[0080]Alkyl can be unsubstituted or substituted with one or more substituents (e.g., 1 to 5 substituents, 1 to 3 substituents) independently selected from the group consisting of alkoxy, acyl, acylamino, acyloxy, amino, substituted amino, aminoacyl, aminocarbonylamino, aminothiocarbonylamino, aminocarbonyloxy, aryl, aryloxy, aryloxyaryl, cyano, halogen, hydroxyl, nitro, oxo, thioxo, carboxyl, carboxyl esters, cycloalkyl...

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Abstract

Disclosed herein are methods of treating retinopathy of prematurity (ROP) in a premature and / or low birth weight infant in need thereof, comprising administering to the infant an effective amount of a compound represented by Structural Formula I, Structural Formula Ia or Structural Formula II described herein, or a pharmaceutically acceptable salt thereof. Also disclosed herein are methods of inhibiting the destruction of retinal blood vessels in a premature and / or low birth weight infant in need thereof, comprising administering to the infant an effective amount of a compound represented by Structural Formula I, Structural Formula Ia or Structural Formula II, or a pharmaceutically acceptable salt thereof. Also disclosed herein are methods of treating hyperoxia in a premature and / or low birth weight infant in need thereof, comprising administering to the infant an effective amount of a compound represented by Structural Formula I, Structural Formula Ia or Structural Formula II, or a pharmaceutically acceptable salt thereof. By using the methods disclosed herein, particularly when an infant is hyperoxic, oxygen toxicity to the retina of the eye can be inhibited without restricting oxygen supplementation, which is often necessary to sustain the life of premature infants.

Description

RELATED APPLICATIONS[0001]This application is a divisional of U.S. application Ser. No. 15 / 105,861, filed Jun. 17, 2016, which is the U.S. National Stage of International Application No. PCT / US2014 / 071595, filed Dec. 19, 2014, which designates the U.S., published in English, and claims the benefit of U.S. Provisional Application No. 61 / 918,458, filed Dec. 19, 2013. The entire teachings of these applications are incorporated herein by reference.BACKGROUND OF THE INVENTION[0002]In humans, development of the retinal vasculature occurs in relative hypoxia in utero and is complete at the time of birth. Premature birth interrupts this process and places the premature child at risk for multiorgan damage due to a simple paradox of oxygen—oxygen is necessary to keep premature infants alive, but is toxic to premature developing tissues, including the pre-term retina.[0003]Retinopathy of prematurity (ROP) is a retinovascular disease of premature infants characterized by neovascularization at t...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A61K31/472A61K31/00
CPCA61K31/00A61K31/472A61P27/02
Inventor SEARS, JONATHAN E.HOPPE, GEORGE B.YOON, SUZY
Owner THE CLEVELAND CLINIC FOUND
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