Targeted therapeutic approaches for hormone-refractory prostate cancer

Flora Stavridi1, Eleni M Karapanagiotou, Kostas N Syrigos

  • 1Department of Medicine, Royal Marsden Hospital, Downs Road, Surrey, UK. florastavridi@yahoo.co.uk

Cancer Treatment Reviews
|January 29, 2010
PubMed

Insights

Novel treatments are being investigated to improve survival for men with advanced prostate cancer (HRPC). These therapies target specific pathways and combine new drugs with chemotherapy for better outcomes.

Area of Science:

  • Oncology
  • Urology
  • Pharmacology

Background:

  • Prostate cancer is a leading cause of cancer death in men, often incurable in the metastatic stage.
  • Hormone-refractory prostate cancer (HRPC) progresses despite initial androgen deprivation due to genetic alterations.
  • Docetaxel offers a limited survival benefit for HRPC, necessitating improved therapeutic strategies.

Purpose of the Study:

  • To review the latest clinical evidence on novel agents for metastatic hormone-refractory prostate cancer (HRPC).
  • To explore emerging therapeutic strategies targeting specific pathways involved in prostate cancer progression.
  • To discuss the potential of multidisciplinary approaches combining novel drugs, immunotherapy, and chemotherapy.

Main Methods:

  • Review of current clinical trials and evidence regarding novel agents in HRPC.
  • Investigation of drugs targeting cell signaling, proliferation, angiogenesis, apoptosis, and immune modulation.
  • Analysis of combinations of novel agents with cytotoxic drugs and immunotherapies.

Main Results:

  • Several novel drugs targeting specific pathways are under investigation as single agents or in combination therapy.
  • Clinical trials are evaluating vitamin D receptor agonists, angiogenesis inhibitors, and EGFR blockers.
  • Immunomodulatory agents and vaccines have reached advanced clinical trial phases (Phase III).

Conclusions:

  • New drugs targeting the bone microenvironment, apoptosis, and proliferation pathways show promise in enhancing chemotherapy efficacy.
  • Multidisciplinary approaches are crucial for future therapeutic strategies in HRPC.
  • Exploiting novel molecular targets in conjunction with immunotherapy and chemotherapy is key to improving outcomes for HRPC patients.

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