Towards curative cancer immunotherapy

Overcoming posttherapy tumor escape

Gang Zhou, Hyam Levitsky

Research output: Contribution to journalReview article

33 Citations (Scopus)

Abstract

The past decade has witnessed the evolvement of cancer immunotherapy as an increasingly effective therapeutic modality, evidenced by the approval of two immune-based products by the FDA, that is, the cancer vaccine Provenge (sipuleucel-T) for prostate cancer and the antagonist antibody against cytotoxic T-lymphocyte antigen-4 (CTLA-4) ipilimumab for advanced melanoma. In addition, the clinical evaluations of a variety of promising immunotherapy drugs are well under way. Benefiting from more efficacious immunotherapeutic agents and treatment strategies, a number of recent clinical studies have achieved unprecedented therapeutic outcomes in some patients with certain types of cancers. Despite these advances, however, the efficacy of most cancer immunotherapies currently under clinical development has been modest. A recurring scenario is that therapeutic maneuvers initially led to measurable antitumor immune responses in cancer patients but ultimately failed to improve patient outcomes. It is increasingly recognized that tumor cells can antagonize therapy-induced immune attacks through a variety of counterregulation mechanisms, which represent a fundamental barrier to the success of cancer immunotherapy. Herein we summarize the findings from some recent preclinical and clinical studies, focusing on how tumor cells advance their survival and expansion by hijacking therapy-induced immune effector mechanisms that would otherwise mediate their destruction.

Original languageEnglish (US)
Article number124187
JournalClinical and Developmental Immunology
Volume2012
DOIs
StatePublished - Jun 20 2012

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Tumor Escape
Immunotherapy
Neoplasms
Therapeutics
CTLA-4 Antigen
Cancer Vaccines
Melanoma
Prostatic Neoplasms
Survival
Antibodies

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

Cite this

Towards curative cancer immunotherapy : Overcoming posttherapy tumor escape. / Zhou, Gang; Levitsky, Hyam.

In: Clinical and Developmental Immunology, Vol. 2012, 124187, 20.06.2012.

Research output: Contribution to journalReview article

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