What is the primary goal of computer-aided lead optimization?

Question

BlackTom AI · Accepted Answer

First, let's restate what's being asked in this question: the primary goal of computer-aided lead optimization. We will evaluate each option in turn to understand why it aligns or misaligns with the concept.
Option 1: 'To evaluate the economic feasibility of marketing a drug candidate.' This describes a regulatory or market assessment activity, not the chemical/biomedical optimization of a lead molecule. Computer-aided optimization focuses on the molecule’s properties and behavior, not on economic viability, so this is not the primary goal.
Option 2: 'To determine the drug’s mechanism of action through optimized experimental assays.' While understanding mechanism of action is important, lead optimization emphasizes refining the chemical scaffold and its properties to improve performance, often leveraging computational tools, rather than primarily elucidating mechanism via experiments. Therefore this does not capture the core aim of CAD lead optimization.
Option 3: 'To improve the efficacy and safety of an initial ligand by refining its properties through modeling and testing.' This directly matches the essence of lead optimization: iteratively enhancing a compound’s potency (efficacy) and safety profile (ADMET properties, toxicity risks) using computer-aided modeling and subsequent experimental validation. It reflects the cycle of design, prediction, synthesis, and testing that characterizes lead optimization.
Option 4: 'To manufacture the drug compound at industrial scale using optimized protocols.' This concerns process development and manufacturing scale-up, not the optimization of the molecular lead itself. CAD lead optimization focuses on the molecule’s properties, not on production processes at scale.
Option 5: 'To identify new chemical scaffolds unrelated to initial screening hits.' While discovering new scaffolds can be part of medicinal chemistry, lead optimization specifically refines existing leads to improve their properties rather than introducing unrelated scaffolds at this stage. Thus, this option mischaracterizes the optimization focus.
In summary, the most accurate description is that computer-aided lead optimization aims to enhance both efficacy and safety of an initial ligand by refining its properties through predictive modeling and iterative testing, which is precisely what option 3 conveys. The other options describe downstream, peripheral, or misaligned activities that do not reflect the primary objective of CAD lead optimization.

2254 BIOSC 1544 SEC1000 Quiz #25: Lead Optimization

What is the primary goal of computer-aided lead optimization?

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