Immunotherapy: A Glimmer of Hope for Metastatic Prostate Cancer

Vishal Jindal

Disclosures

Chin Clin Oncol. 2018;7(6) 

In This Article

Abstract and Introduction

Abstract

Prostate cancer was the first cancer in which immunotherapy vaccine was approved by FDA in 2010 named Sipuleucel-T. No new immunotherapies have been approved since, as phase 3 trials didn't show any improvement in overall survival (OS) especially with immune checkpoint inhibitors. Currently tremendous amount of research is going on, in studying microenvironment of prostate cancer, finding new targets and biomarkers, and trying different combination therapies. Some of the new targets explored are VISTA and PARP inhibitors. Combination therapies have shown promising results in early phase trials and likely in near future we will have an effective immunotherapy for advanced prostate cancer. In this article we will review the current data and future of immunotherapy in prostate cancer.

Introduction

Metastatic prostate cancer is the second leading cause of cancer deaths worldwide. It was the first cancer in which vaccine immunotherapy was approved by FDA thus an immune responsive disease. However, the immunotherapeutic advances in prostate cancers are quite restricted, as no other drugs have shown clinical results in phase 3 trials. Still there is glimmer of hope, as active research is ongoing on combination of different forms of immunotherapy for prostate cancer. Recently new targets have been identified for prostate cancer like VISTA and PARP inhibition. So there are chances that immunotherapy will evolve as effective therapy in advanced prostate cancer.

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