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Lactoferrin in the reduction of circulating cholesterol, vascular inflammation, atherosclerosis and cardiovascular disease

a technology of circulating cholesterol and lactoferrin, which is applied in the direction of transferrins, peptide sources, metabolic disorders, etc., can solve the problems of insufficient diet changes alone to reduce high cholesterol, atherosclerosis and eventually heart attack, and generalized vascular damage, so as to reduce total cholesterol and ldl cholesterol. , the effect of reducing the total cholesterol and ldl cholesterol

Inactive Publication Date: 2006-09-14
VARADHACHARY ATUL +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This build-up can damage the vascular endothelium causing inflammation, a narrowing of the arteries and potential arterial blockages that can result in heart attacks.
Elevated levels of cholesterol, in particular LDL (low-density lipoprotein), and triglycerides in the blood have been associated with the development of fatty plaques, which can lead to generalized vascular damage, atherosclerosis and eventually heart attack.
Cholesterol levels in many people can be controlled by diet, but for many patients diet changes alone are insufficient to reduce high cholesterol.
These drugs however, are not equally effective in all patients and frequently are associated with significant adverse side effects.

Method used

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  • Lactoferrin in the reduction of circulating cholesterol, vascular inflammation, atherosclerosis and cardiovascular disease
  • Lactoferrin in the reduction of circulating cholesterol, vascular inflammation, atherosclerosis and cardiovascular disease
  • Lactoferrin in the reduction of circulating cholesterol, vascular inflammation, atherosclerosis and cardiovascular disease

Examples

Experimental program
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Effect test

example 1

Cholesterol Reduction by Recombinant Human Lactoferrin (rhLF)

[0115] Healthy adult human volunteers were administered a liquid formulation of either rhLF or placebo for seven days. Fasting serum was collected at baseline (prior to administration of rhLF) and at the end of study (Day 10) and levels of total cholesterol determined. All subjects were housed in an in-patient setting for the duration of the study and received similar diets.

[0116] In this clinical trial, human subjects treated with placebo drug experienced a rise in serum cholesterol. RhLF treated subjects in a similar setting and receiving a similar diet, experienced a reduction in total cholesterol. FIG. 1 shows that administration of rhLF for just seven days resulted in 14% reduction in total cholesterol (P<0.05).

example 2

Reduction of C-Reactive Protein (CRP) by Recombinant Human Lactoferrin (rhLF)

[0117] Healthy adult human volunteers were administered a liquid formulation of rhLF or placebo for seven days. RhLF was administered for a total of seven days. Serum was collected on Day 1 and Day 7 of rhLF administration and assayed for CRP using a high sensitive assay.

[0118] A total of six subjects had Day 1 CRP levels that were measurable by the high sensitive assay (>0.07 mg / dL). Five out of the six subjects showed a reduction in CRP with the sixth patient showing no change. As shown in FIG. 2, the six evaluable subjects showed an average of 49% reduction in CRP levels (P<0.05) as well as a 17% reduction in their cardiovascular risk.

example 3

RhLF Effect on Hyperlipidemia in Mice

[0119] The effect of oral rhLF was tested in a mouse model of hyperlipidemia induced by the mice being fed a high cholesterol-fat diet for 14 days (2 g lard, 8 g coconut oil, 1 g cholesterol, 0.3 g cholic acid per 100 g of feed and 88.7 g standard chow). The hyperlipidemic mice were administered either placebo vehicle or rhLF (1000 mg / kg) twice a day for seven days. Twenty-four hours after the last dose, serum was obtained from individual fasting animals and assayed for total cholesterol, HDL and LDL. The rhLF treated mice showed a trend toward decrease in total cholesterol (16%) and LDL cholesterol (23%) and an increase in HDL cholesterol (15%). The HDL / LDL ratio was increased by 48.5% and was statistically significant (FIG. 3).

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Abstract

The present invention relates to methods of using lactoferrin (LF) to reduce circulating levels of cholesterol and vascular inflammation, in order to treat, prevent or reduce the incidence of atherosclerosis and cardiovascular disease.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS [0001] This application is a divisional of U.S. application Ser. No. 10 / 728,275 filed Dec. 4, 2003 which claims the benefit of U.S. Provisional Applications 60 / 498,337 filed Aug. 27, 2003 and 60 / 430,867 filed Dec. 4, 2002, both of which are incorporated herein by reference.TECHNICAL FIELD [0002] The present invention relates to methods of using lactoferrin (LF) to reduce circulating levels of cholesterol and vascular inflammation, in order to treat, prevent or reduce the incidence of atherosclerosis and cardiovascular disease. More particularly, the present invention relates to methods of reducing circulating levels of cholesterol and vascular inflammation by administering a composition of lactoferrin. BACKGROUND OF THE INVENTION [0003] According to current estimates, 61,800,000 people in America have one or more forms of cardiovascular disease. These diseases claimed 958,775 lives in 1999 (40.1 percent of all deaths). Atherosclerosis is a lea...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A61K38/40A61K31/785A61K45/06
CPCA61K31/785A61K38/40A61K45/06A61K2300/00
Inventor VARADHACHARY, ATULGLYNN, PETERWANG, YENYUNENGELMAYER, JOSE
Owner VARADHACHARY ATUL
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