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Efficacy From Strange Sources.

Lawrence J Lesko1

  • 1University of Florida at Lake Nona, Orlando, Florida, USA.

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Summary
This summary is machine-generated.

Reverse translation (RT) systematically repurposes drugs by observing clinical outcomes to find new uses. This approach, from penicillin to CAR T-cell therapies, relies on target identification and causal biology for drug discovery.

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Area of Science:

  • Pharmacology
  • Drug Discovery
  • Translational Medicine

Background:

  • Reverse translation (RT) involves observing clinical outcomes to generate hypotheses for new drug uses.
  • Historically, RT has led to significant discoveries, including penicillin and modern CAR T-cell therapies.

Purpose of the Study:

  • To provide a comprehensive overview of successful reverse translation (RT) strategies.
  • To delineate the core principles that enable a systematic approach to RT.
  • To categorize different types of RT and discuss their associated challenges and opportunities.

Main Methods:

  • Review of historical and contemporary examples of successful RT.
  • Delineation of RT principles: target identification, causal biology, biomarker use, and clinical validation.
  • Categorization of RT into four distinct types with illustrative examples.

Main Results:

  • Successful RT relies on a systematic strategy encompassing target identification, causal biology, and biomarker validation.
  • Four categories of RT are proposed, each supported by successful case studies.
  • The study highlights the evolution of RT from serendipitous discovery to a structured scientific process.

Conclusions:

  • RT is a powerful strategy for drug repurposing and discovering novel therapeutic applications.
  • Future RT development requires addressing open questions regarding its business case, including pros, cons, and barriers.
  • A systematic, biology-driven approach enhances the success rate of RT programs.