MEDICASCY

MEDICASCY predicts side effects, indications, efficacy, and protein modes of action of small-molecule drugs from chemical structure to support early-stage drug discovery and safety assessment.


Key Features:

  • Input Requirement: Accepts a small molecule's SMILES string as the sole input representing chemical structure.
  • Predictive Capabilities: Performs multi-label prediction of side effects, indications, efficacy, and protein modes of action from chemical structure alone.
  • Algorithm: Implements a multi-label boosted random forest machine learning method.
  • Performance Metrics: Retrospective benchmarking reports approximately 78% precision and recall for predicting at least one severe side effect and 72% precision for efficacy predictions.
  • Experimental Validation: Efficacy predictions were experimentally validated on novel molecules, showing close to 80% precision in inhibiting the growth of ovarian, breast, and prostate cancer cell lines.

Scientific Applications:

  • Early-stage drug discovery: Supports prioritization of candidate small molecules by predicting efficacy and indications from chemical structure.
  • Safety profiling: Predicts potential side effects to assess the safety profile of novel compounds.
  • Therapeutic target identification: Predicts protein modes of action to aid identification of potential therapeutic targets.

Methodology:

Uses a multi-label boosted random forest machine learning method that relies solely on chemical structure input provided as SMILES.

Topics

Details

Tool Type:
command-line tool
Added:
1/18/2021
Last Updated:
2/20/2021

Operations

Publications

Zhou H, Cao H, Matyunina L, Shelby M, Cassels L, McDonald JF, Skolnick J. MEDICASCY: A Machine Learning Approach for Predicting Small-Molecule Drug Side Effects, Indications, Efficacy, and Modes of Action. Molecular Pharmaceutics. 2020;17(5):1558-1574. doi:10.1021/acs.molpharmaceut.9b01248. PMID:32237745. PMCID:PMC7319183.

PMID: 32237745
PMCID: PMC7319183
Funding: - National Institute of General Medical Sciences: 1R35GM-118039

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