Early Chemo Linked to Improved PFS in High-Volume Metastatic Prostate Cancer

Excerpt:

“Patients with high-volume, castration-naïve metastatic prostate cancer may have superior progression-free survival (PFS) outcomes when treated with early docetaxel, according to findings published online in the European Journal of Cancer.

“Using the Quality-adjusted Time Without Symptoms of disease and Toxicity of treatment (Q-TWiST) method, investigators also determined that the benefits associated with androgen deprivation therapy (ADT) plus docetaxel outweighed the risks associated with the treatment.”

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Ipilimumab vs Placebo in Metastatic Chemotherapy-Naive, Castration-Resistant Prostate Cancer Without Visceral Metastases

Excerpt:

“In the phase III CA184-095trial reported in the Journal of Clinical Oncology, Tomasz M. Beer, MD, FACP, of the Knight Cancer Institute, Oregon Health and Science University, and colleagues found that ipilimumab (Yervoy) did not increase overall survival vs placebo in men with asymptomatic or minimally symptomatic chemotherapy-naive metastatic castration-resistant prostate cancer without visceral metastases. Ipilimumab was associated with prolonged progression-free survival and a higher prostate-specific antigen (PSA) response rate.”

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First Clinical Trial of New Targeted Molecular Therapy in U.S. Takes Aim at Incurable Prostate Cancer

Excerpt:

“NewYork-Presbyterian and Weill Cornell Medicine have begun the first clinical trial in the United States that uses a small molecule to treat men with progressive prostate cancer that has spread beyond the prostate and is no longer responding to hormonal therapy. The Phase 1 study has completed its second round of patient enrollment, with the first six patients having undergone dosing. The researchers will be discussing the trial on June 5 at the 2017 American Society of Clinical Oncology meeting in Chicago.

“The researchers are using the small molecule Lutetium 177Lu-PSMA-617 to target prostate-specific membrane antigen (PSMA), a protein that is abundantly expressed in 85-90 percent of metastasized prostate cancers. The small molecule binds to PSMA and delivers precise radiation therapy intended to shrink the cancer — even in cases in which cells have yet to form a visible tumor on a bone or CT scan.”

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AUA: Prostate Cancer Studies Highlight DNA Repair Gene Involvement

Excerpt:

“Two new studies presented at the Annual Scientific Meeting of the American Urological Association (AUA) offer an improved understanding of some genetic underpinnings of prostate cancer. In one, researchers found that BRCA mutations may raise the risk of the malignancy substantially, while another found a high rate of mutations among other DNA repair genes as well.

” ‘These studies reveal new insights into the role genetic mutations play in the development of prostate cancer, particularly metastatic disease,’ said Scott Eggener, MD, of the University of Chicago Medicine, who moderated the session with these studies, in a press release.”

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Metformin Use Does Not Increase Prostate Cancer Survival

Excerpt:

“Metformin use in combination with docetaxel chemotherapy does not significantly improve survival in patients with diabetes and metastatic castration-resistant prostate cancer, according to a study published in the April issue of The Journal of Urology.

“Michelle J. Mayer, from Sunnybrook Health Sciences Centre in Toronto, and colleagues used data from several Ontario administrative health care databases to identify men (older than 65 years) diagnosed with metastatic castration-resistant cancer and treated with docetaxel. Patients were stratified into groups based on diabetes status and use of antidiabetic medications to assess the effect of use with docetaxel on survival.”

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Oncotype DX® Predicts 10-year Risk of Developing Metastatic Prostate Cancer in Low- and Intermediate-risk Patients

Excerpt:

“Genomic Health, Inc. (Nasdaq: GHDX) today announced the presentation of new results from a large multi-center validation study, which confirmed that the Oncotype DX® Genomic Prostate Score™ (GPS) is a strong independent predictor of metastases at 10 years in prostate cancer patients across all National Comprehensive Cancer Network (NCCN) clinical risk groups. The clinical validation study data were designated one of the ‘best posters’ (abstract #352) at the 32nd Annual European Association of Urology (EAU) Congress in London.”

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Blood Test Instead of Biopsy for Metastatic Prostate Cancer

Excerpt:

“There has been a lot of buzz recently about the use of ‘liquid biopsies’ and how these blood tests that show cancer may be able to replace the need for tissue biopsies.

“The latest study shows that such a test could be useful in metastatic prostate cancer, where the biopsy sample would need to be taken from bone, which is painful, risky, and expensive, says an expert.

“This study used the Guardant360 test and found that cell-free, circulating tumor DNA (ctDNA) was detected in most patients (94%) with metastatic castration-resistant prostate cancer (mCRPC).”

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New Type of PET Imaging Identifies Primary and Metastatic Prostate Cancer

Excerpt:

“In the featured article from the February 2017 issue of the Journal of Nuclear Medicine, researchers document the first-in-human application of a new imaging agent to help find prostate cancer in both early and advanced stages and plan treatment. The study indicates that the new agent — a PET radiotracer — is both safe and effective.

“The new agent is a gallium-68 (Ga-68)-labeled peptide BBN-RGD agent that targets both gastrin-releasing peptide receptor (GRPR) and integrin ?v?3. Dual-receptor targeting provides advantages over single-receptor targeting by allowing tumor contrast when either or both receptor types are expressed, improving binding affinity and increasing the number of effective receptors.”

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Video: Dr. Kantoff on Docetaxel Plus Androgen Deprivation Therapy in Prostate Cancer

Excerpt:

“Philip W. Kantoff, MD, chair of the Department of Medicine, Memorial Sloan Kettering Cancer Center and a 2014 Giants of Cancer Care winner for Genitourinary Cancer, discusses the combination of docetaxel (Taxotere) chemotherapy and androgen deprivation therapy (ADT) in the setting of metastatic hormone-sensitive prostate cancer.

“Considering the positive results in overall survival from the CHAARTED and STAMPEDE trials, which combined ADT with docetaxel, the next step became determining which patients would benefit from this combination.”

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