Formula I Antiretroviral Compounds for Drug-Resistant HIV

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Solution Overview

Problem

Current HIV treatments require daily medication and face challenges with drug-resistant HIV strains, necessitating the development of new antiretroviral agents with improved pharmacokinetic properties and reduced dosing frequency.

Innovation Solution

Development of novel compounds represented by Formula I, which can be administered less frequently and are effective against drug-resistant HIV strains, including pharmaceutically acceptable salts and compositions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If highly active antiretroviral therapies (HAART) are used to treat HIV-1 infections, then viral load is reduced and disease progression is delayed, but HIV strains resistant to current therapies emerge

Engineering Contradiction:
Improvetreatment effectivenessVSAvoiddrug resistance
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent employs parameter changes by modifying the chemical structure of antiretroviral compounds through various substituents (R1-R6, X groups) to create novel analogs with improved activity against drug-resistant HIV strains. The systematic variation of molecular parameters enables the development of compounds that overcome resistance mechanisms while maintaining therapeutic effectiveness.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If current HIV treatment regimens are administered, then viral replication is controlled, but patients must take medication daily for their lifetime

Engineering Contradiction:
Improveviral controlVSAvoiddosing frequency
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent applies dynamics by designing compounds with optimized pharmacokinetic properties including extended half-life and sustained release characteristics. The molecular structures are engineered to maintain therapeutic levels over extended periods, enabling less frequent dosing while ensuring continuous viral control throughout the treatment duration.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent modifies pharmacokinetic parameters through chemical structure optimization, adjusting lipophilicity, molecular weight, and metabolic stability to achieve prolonged drug circulation and reduced clearance rates, thereby extending the interval between dosing events.

Inventive Principle:
Principle #35Parameter changes

3Loss of time

If novel compounds with improved pharmacokinetic properties are developed, then dosing frequency can be reduced, but the complexity of compound design and synthesis increases

Engineering Contradiction:
Improvedosing frequencyVSAvoidcompound structure complexity
Core Design Contradiction:
Loss of timeVSDevice complexity

Solution Approach 1:

The patent applies segmentation by dividing the complex molecule into modular functional groups and building blocks that can be systematically combined. This modular approach allows for structured exploration of chemical space while maintaining synthetic feasibility, breaking down the complex design challenge into manageable sub-components with specific functions.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS12404262B2Therapeutic compounds for HIV virus infection
Publication Date: 2025.09.02 GILEAD SCIENCES INC
  • US12404262B2 patent drawing
  • US12404262B2 patent drawing
  • US12404262B2 patent drawing

AI summary

The present disclosure relates generally to certain compounds, pharmaceutical compositions comprising said compounds, and methods of making and using said compounds and pharmaceutical compositions. The compounds and compositions provided herein may be used for the treatment or prevention of a Retroviridae infection, including an HIV infection.