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Challenges and perspective of drug repurposing strategies in early phase clinical trials.

  • Author(s): Kato, S
  • Moulder, SL
  • Ueno, NT
  • Wheler, JJ
  • Meric-Bernstam, F
  • Kurzrock, R
  • Janku, F
  • et al.
Abstract

Despite significant investments in the development of new agents only 5% of cancer drugs entering Phase I clinical trials are ultimately approved for routine clinical cancer care. Drug repurposing strategies using novel combinations of previously tested anticancer agents could reduce the cost and improve treatment outcomes. At MD Anderson Cancer Center, early phase clinical trials with drug repurposing strategies demonstrated promising outcomes in patients with both rare and common treatment refractory advanced cancers. Despite clinical efficacy advancing drug repurposing strategies in the clinical trial trajectory beyond early phase studies has been challenging mainly due to lack of funding and interest from the pharmaceutical industry. In this review, we delineate our experience and challenges with drug repurposing strategies.

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