An evaluation framework for the objective functions of de novo drug design benchmarksDownload PDF

31 Mar 2022, 13:06 (modified: 24 May 2022, 19:09)MLDD PosterReaders: Everyone
Keywords: molecular optimization, benchmark
TL;DR: Most common benchmark objectives are irrelevant and don't resemble realistic functions in drug design: we should change this!
Abstract: De novo drug design has recently received increasing attention from the machine learning community. It is important that the field is aware of the actual goals and challenges of drug design and the roles that de novo molecule design algorithms could play in accelerating the process, so that algorithms can be evaluated in a way that reflects how they would be applied in real drug design scenarios. In this paper, we propose a framework for critically assessing the merits of benchmarks, and argue that most of the existing de novo drug design benchmark functions are either highly unrealistic or depend upon a surrogate model whose performance is not well characterized. In order for the field to achieve its long-term goals, we recommend that poor benchmarks (especially logP and QED) be deprecated in favour of better benchmarks. We hope that our proposed framework can play a part in developing new de novo drug design benchmarks that are more realistic and ideally incorporate the intrinsic goals of drug design.
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