Early Treatment of Advanced Prostate Cancer with PSMA-Targeted Radioligand Therapy Prolongs Life

Excerpt:

“Research presented at the 2018 Annual Meeting of the Society of Nuclear Medicine and Molecular Imaging (SNMMI) demonstrates for the first time the benefit of providing earlier lutetium-177 (177Lu) prostate-specific membrane antigen (PSMA) radioligand therapy to patients with metastatic prostate cancer. Until now, this therapy has only been used in patients with end-stage disease.”

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Abiraterone May Be More Effective in Black Men With Prostate Cancer

Excerpt:

“Black men with metastatic castration-resistant prostate cancer (CRPC) who received hormonal therapy with the adrenal inhibitor abiraterone had greater and longer-lasting responses compared with white men, according to the results of a late-breaking study (abstract LBA5009) presented at the 2018 American Society of Clinical Oncology (ASCO) Annual Meeting, held in Chicago June 1–5.

“The prospective study found that black men were more likely to have a decline in prostate-specific antigen (PSA) and had a longer median time to PSA worsening than white men. The findings were presented by Daniel George, MD, professor of medicine and surgery at Duke University.”

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ZYTIGA® (abiraterone acetate) Plus Prednisone Approved for Treatment of Earlier Form of Metastatic Prostate Cancer

Excerpt:

“The Janssen Pharmaceutical Companies of Johnson & Johnson today announced that the U.S. Food and Drug Administration (FDA) has approved a new indication for ZYTIGA® (abiraterone acetate) in combination with prednisone for the treatment of patients with metastatic high-risk castration-sensitive prostate cancer (CSPC). The approval is based on Phase 3 data from the pivotal LATITUDE clinical trial, which found that in patients with metastatic high-risk CSPC, ZYTIGA® in combination with prednisone reduced the risk of death by 38 percent compared to placebos.”

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Strong Data Lift Profile of J&J’s Cancer Drug Apalutamide

Excerpt:

“Adding Johnson & Johnson’s experimental prostate cancer drug apalutamide to standard treatment helped delay the development of metastases in patients with non-metastatic castration-resistant disease by just over 2 years, results from a Phase 3 study showed.”

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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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