Formulations of 2-(4-chlorophenyl)-N-((2-(2,6- dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)methyl)-2,2-difluoroacetamide

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Solution Overview

Problem

Current pharmaceutical formulations of 2-(4-chlorophenyl)-N-((2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)methyl)-2,2-difluoroacetamide face challenges in stability and bioavailability due to adverse reactions with excipients, requiring tailored excipients to ensure proper delivery and stability of the active drug substance.

Innovation Solution

Development of lyophilized formulations comprising the compound in combination with pharmaceutically acceptable excipients such as citrate buffer and bulking agents like Captisol®, mannitol, or β-cyclodextrin, which are stable at room temperature and upon reconstitution, suitable for intravenous administration.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional pharmaceutical excipients are used in formulations of the compound, then the formulation can be manufactured and administered, but the stability and bioavailability are compromised due to adverse reactions between excipients and the active ingredient

Engineering Contradiction:
ImprovestabilityVSAvoidadverse reactions with excipients
Core Design Contradiction:
ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The patent removes problematic excipients from the formulation and replaces them with a minimal set of compatible components. Specifically, the formulation eliminates excipients that cause adverse reactions while retaining only those necessary for stability and bioavailability, such as citrate buffer and specific bulking agents like Captisol®, mannitol, or β-cyclodextrin.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent applies local quality by selecting excipients with specific properties tailored to the active ingredient's requirements. The formulation uses citrate buffer at controlled pH levels and bulking agents with specific solubility characteristics to create localized compatibility zones around the active ingredient, ensuring stable interactions only where needed.

Inventive Principle:
Principle #3Local quality

2Reliability

If tailored excipients are selected to ensure stability and proper delivery, then the bioavailability and stability improve, but the formulation complexity and manufacturing difficulty increase

Engineering Contradiction:
ImprovebioavailabilityVSAvoidformulation complexity
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The patent applies universality by selecting excipients that perform multiple functions simultaneously. For example, citrate buffer serves both as a pH control agent and a stability enhancer, while bulking agents like Captisol® provide both solubility enhancement and stabilization. This multi-functionality reduces the total number of excipients needed, simplifying the formulation despite the specialized requirements.

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

3Duration of action of stationary object

If lyophilized formulations are developed with specific excipients, then long-term stability at room temperature is achieved, but the formulation requires additional processing steps and specialized excipients

Engineering Contradiction:
Improvestorage stabilityVSAvoidformulation processing
Core Design Contradiction:
Duration of action of stationary objectVSDevice complexity

Solution Approach 1:

The patent applies preliminary action by pre-selecting excipients that are inherently compatible with lyophilization processes and provide long-term stability. The formulation is designed from the outset with freeze-drying in mind, choosing excipients like mannitol and β-cyclodextrin that form stable amorphous matrices during lyophilization, preventing degradation during storage without requiring additional stabilization steps later.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS11883389B2Formulations of 2-(4-chlorophenyl)-N-((2-(2,6- dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)methyl)-2,2-difluoroacetamide
Publication Date: 2024.01.30 CELGENE CORP
  • US11883389B2 patent drawing
  • US11883389B2 patent drawing
  • US11883389B2 patent drawing

AI summary

Provided herein are lyophilized formulations of 2-(4-chlorophenyl)-N-((2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)methyl)-2,2-difluoroacetamide or a stereoisomer or mixture of stereoisomers, pharmaceutically acceptable salt, tautomer, prodrug, solvate, hydrate, co-crystal, clathrate, or polymorph thereof. Methods of using the formulations and dosage forms for treating, managing, and/or preventing cancer are also provided herein.