Synthetic Heparin-Binding Growth Factor Analog Formulation

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Solution Overview

Problem

There are no known formulations, methods, or kits designed to augment or activate growth factors like FGF-2, BMP-2, or TGF-β for bone or cartilage repair, either endogenously produced or derived from natural or recombinant sources, and no formulations employing synthetic heparin-binding growth factor analogs.

Innovation Solution

A formulation for bone or cartilage repair is developed, including a synthetic heparin-binding growth factor analog with a heparin-binding region, a hydrophobic linker, and a calcium-containing agent, optionally with non-ionic polymers and gelling agents, which can be used in a kit for injectable delivery to osteogenic defects.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If synthetic heparin-binding growth factor analogs are used for bone or cartilage repair, then tissue repair effectiveness is improved, but no known formulations or delivery methods exist to activate these growth factors

Engineering Contradiction:
Improvetissue repair effectivenessVSAvoidformulation availability
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The patent introduces calcium-containing agents as intermediary substances that activate synthetic heparin-binding growth factor analogs. The calcium ions serve as a mediator between the growth factor analogs and their target receptors, enabling the formulation to effectively stimulate bone and cartilage repair processes without requiring complex delivery systems.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent utilizes changes in ionic concentration parameters by incorporating calcium-containing agents into the formulation. The calcium ions alter the local chemical environment, enabling activation of the growth factor analogs and enhancing their biological activity for tissue repair applications.

Inventive Principle:
Principle #35Parameter changes

2Productivity

If growth factors are used to stimulate cell growth and differentiation, then osteogenic processes are enhanced, but no formulations exist to augment endogenously produced or recombinant growth factors

Engineering Contradiction:
Improvecell growth and differentiation rateVSAvoidformulation design
Core Design Contradiction:
ProductivityVSEase of manufacture

Solution Approach 1:

The formulation is designed to work with endogenously produced growth factors already present in the body. The calcium-containing agents and heparin-binding analogs serve to amplify and enhance the activity of these naturally occurring factors, allowing the body's own repair mechanisms to be boosted without requiring external growth factor administration.

Inventive Principle:
Principle #25Self-service

3Reliability

If calcium-containing agents are combined with growth factor analogs, then bone repair is enhanced, but the formulation complexity increases

Engineering Contradiction:
Improvebone repair effectivenessVSAvoidformulation composition
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The calcium-containing agents serve multiple functions within the formulation: they act as activation agents for the growth factor analogs, provide structural support for bone repair, and potentially serve as delivery vehicles. This multi-functionality reduces the need for separate components and simplifies the overall formulation design.

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

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The formulation enhances bone and cartilage repair by augmenting cell growth and differentiation, providing a novel composition for tissue repair that includes synthetic heparin-binding growth factor analogs, which are effective in stimulating osteogenic processes.

Implementation Method 1

a heparin-binding region, wherein the HBGFR is a member of the TGF-beta superfamily, the FGF family or the PDGF family

Methodology Applied
Scientific EffectHeparin-binding: Absorption (physical)

Data Source

PatentUS7671012B2Formulations and methods for delivery of growth factor analogs
Publication Date: 2010.03.02 FERRING BV
  • US7671012B2 patent drawing
  • US7671012B2 patent drawing
  • US7671012B2 patent drawing

AI summary

Formulations, kits and methods for bone or cartilage repair, including treatment of osteogenic defects, including formulations of synthetic heparin-binding growth factor analogs, non-ionic polymers, gelling agents and calcium-containing agents.