Immunomodulatory Compounds for Leptin Secretion in Lipodystrophy

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Solution Overview

Problem

Current therapies for disorders associated with low plasma leptin levels, such as lipodystrophy and anorexia nervosa, are ineffective in managing severe metabolic issues and are cumbersome due to daily intravenous administration and inability to mimic natural leptin fluctuations.

Innovation Solution

Development of immunomodulatory compounds, specifically 1-oxo- and 1,3-dioxo-(2,6-dioxopiperidin-3-yl) isoindolines, which inhibit TNF-α production, enhance leptin secretion, and are administered in combination with other therapies to manage hypoleptinemic states.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If recombinant leptin is used for replacement therapy, then leptin levels are restored, but the treatment becomes painful and bothersome due to daily intravenous administrations

Engineering Contradiction:
Improveleptin level restorationVSAvoidadministration convenience
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent introduces immunomodulatory compounds as intermediary substances that act on the leptin production pathway. These compounds stimulate adipocytes to endogenously produce leptin, thereby reducing or eliminating the need for daily intravenous recombinant leptin administration while still achieving the therapeutic effect of restoring leptin levels.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The therapy shifts from exogenous leptin replacement to stimulating the body's own leptin production. By using immunomodulatory compounds to activate adipocytes, the body's natural leptin production system is engaged, making the treatment more convenient and reducing the burden of daily intravenous injections.

Inventive Principle:
Principle #25Self-service

2Reliability

If recombinant leptin is used for replacement therapy, then constant doses are provided, but this differs significantly from the natural fluctuation of leptin levels in the body

Engineering Contradiction:
Improvedose consistencyVSAvoidnatural fluctuation mimicry
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent employs immunomodulatory compounds that dynamically regulate leptin production rather than providing static constant dosing. The compounds modulate the body's natural leptin secretion rhythm, allowing leptin levels to fluctuate in a controlled manner that mimics natural circadian patterns while maintaining therapeutic effectiveness.

Inventive Principle:
Principle #15Dynamics

3Productivity

If known therapies are used for lipodystrophy, then some metabolic issues are addressed, but patients continue to have severe hyperglyceridemia leading to recurrent attacks of acute pancreatitis

Engineering Contradiction:
Improvemetabolic managementVSAvoidhyperglyceridemia severity
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The patent employs immunomodulatory compounds that exert multiple therapeutic effects simultaneously. These compounds not only address leptin deficiency but also have broader metabolic regulatory effects, including improvement of lipid metabolism and reduction of hyperglyceridemia, thereby treating multiple aspects of lipodystrophy syndrome with a single therapeutic approach.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentEP1933818B1Methods and compositions using immunomodulatory compounds for the treatment of disorders associated with low plasma leptin levels
Publication Date: 2011.01.19 CELGENE CORP
  • EP1933818B1 patent drawingFigure 1
  • EP1933818B1 patent drawingFigure 2A~2B
  • EP1933818B1 patent drawingFigure 3A~3C

AI summary

Methods of treating, preventing and/or managing disorders associated with low plasma leptin levels are disclosed. Specific methods encompass the administration of an immunomodulatory compound alone or in combination with a second active agent.