Approach to Oligometastatic Prostate Cancer.

Oligometastatic prostate cancer has increasingly been recognized as a unique clinical state with therapeutic implications. It has been proposed that patients with oligometastases may have a more indolent course and that outcome may be further improved with metastasis-directed local ablative therapy. In addition, there are differing schools of thoughts regarding whether oligometastases represent isolated lesions-where targeted therapy may render a patient disease free-or whether they coexist with micrometastases, where targeted therapy in addition to systemic therapy is required for maximal clinical impact. As such, the approach to the patient with oligometastatic prostate cancer requires multidisciplinary consideration, with surgery, radiotherapy, and systemic therapy potentially of benefit either singularly or in combination. Indeed, mounting evidence suggests durable disease-free intervals and, in some cases, possibly cure, may be achieved with such a multimodal strategy. However, selecting patients that may benefit most from treatment of oligometastases is an ongoing challenge. Moreover, with the advent of new, highly sensitive imaging technologies, the spectrum based on CT of the abdomen and pelvis and technetium bone scan of localized to oligometastatic to widespread disease has become increasingly blurred. As such, new MRI- and PET-based modalities require validation. As some clinical guidelines advise against routine prostate-specific antigen screening, the possibility of more men presenting with locally advanced or de novo oligometastatic prostate cancer exists; thus, knowing how best to treat these patients may become more relevant at a population level. Ultimately, the arrival of prospective clinical data and better understanding of biology will hopefully further inform how best to treat men with this disease.

American Society of Clinical Oncology educational book / ASCO. American Society of Clinical Oncology. Meeting. 2016 [Epub]

Brandon Bernard, Boris Gershman, R Jeffrey Karnes, Christopher J Sweeney, Neha Vapiwala

From the Dana-Farber Cancer Institute, Boston, MA; Harvard Medical School, Boston, MA; Mayo Clinic, Rochester, MN; University of Pennsylvania, Philadelphia, PA., From the Dana-Farber Cancer Institute, Boston, MA; Harvard Medical School, Boston, MA; Mayo Clinic, Rochester, MN; University of Pennsylvania, Philadelphia, PA., From the Dana-Farber Cancer Institute, Boston, MA; Harvard Medical School, Boston, MA; Mayo Clinic, Rochester, MN; University of Pennsylvania, Philadelphia, PA., From the Dana-Farber Cancer Institute, Boston, MA; Harvard Medical School, Boston, MA; Mayo Clinic, Rochester, MN; University of Pennsylvania, Philadelphia, PA., From the Dana-Farber Cancer Institute, Boston, MA; Harvard Medical School, Boston, MA; Mayo Clinic, Rochester, MN; University of Pennsylvania, Philadelphia, PA.

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