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Targeted enzyme prodrug therapies

N Schellmann1, P M Deckert, D Bachran

  • 1Zentralinstitut für Laboratoriumsmedizin und Pathobiochemie, Charité - Universitätsmedizin Berlin, Campus Benjamin Franklin, Hindenburgdamm 30, D-12200 Berlin, Germany.

Mini Reviews in Medicinal Chemistry
|June 22, 2010
PubMed

Insights

Targeted cancer therapies, including enzyme prodrug strategies, offer new hope for difficult-to-treat tumors. These innovative treatments aim to specifically activate drugs at the tumor site, improving efficacy and reducing side effects.

Area of Science:

  • Oncology
  • Biochemistry
  • Pharmacology

Background:

  • Cancer treatment faces challenges with invasive, metastatic, and inaccessible tumors despite traditional methods like surgery, chemotherapy, and radiotherapy.
  • Targeted therapies have emerged over the last three decades to specifically locate, detect, and eliminate tumor cells.
  • Tumor site-specific prodrug activation is a promising two-step targeted therapy approach.

Purpose of the Study:

  • To provide a concise overview of the history and latest developments in targeted cancer therapies.
  • To review key technologies in targeted cancer treatment, focusing on enzyme prodrug strategies.
  • To highlight advancements in prodrug-converting enzymes, prodrugs, and drugs for cancer therapy.

Main Methods:

  • Review of historical and recent scientific literature on targeted cancer therapies.
  • Analysis of enzyme prodrug therapy concepts and their evolution since 1974.
  • Examination of various targeting systems including antibody-directed enzyme prodrug therapy (ADEPT), gene-directed enzyme prodrug therapy (GDEPT), clostridial- (CDEPT), and polymer-directed enzyme prodrug therapy (PDEPT).

Main Results:

  • Significant progress has been made in developing targeted therapies, particularly those involving enzyme-mediated prodrug activation.
  • Various targeting systems, enzymes, and prodrugs have been investigated and refined over the years.
  • The review covers a range of enzyme prodrug therapy approaches and their components.

Conclusions:

  • Enzyme prodrug therapy represents a significant advancement in the quest for more effective and specific cancer treatments.
  • Continued research and development in targeting systems, enzymes, and prodrugs are crucial for overcoming challenges in cancer cure.
  • Targeted therapies, especially ADEPT and GDEPT, offer a promising alternative for treating difficult cancers.

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