Bone Metastases

Is Alkaline Phosphatase A Bio-Marker To Predict PSA Decline And Clinical Benefit From Abiraterone Acetate in Bone Metastatic Castration Resistant Prostate Cancer

Again and again I have mentioned the huge need we have for the development of reliable bio-markers. Reliable bio-markers will allow us to know which men will respond positively to a treatment (also those who will not) and when a treatment is still effective (also when it no longer is effective). These biomarkers really don’t exist, so a lot of clinical decision-making is based upon the experience and gut feeling of our doctors. This type of decision-making is not adequate in today’s world of multiple treatment options, especially when many of the treatments can foster resistance to other available treatments. [...]

Belfast Clinical Trial Combining Two Radio-Therapies For Men With Advanced Prostate Cancer

Researchers at Queen’s University in Belfast along with the Belfast Trust are conducting a clinical trial evaluating the combination of two radiotherapy treatments, Radium 223 and Pelvic Radiation using Volumetric Modulated Arc Therapy (VMAT) in men with bone positive advanced prostate cancer. The trial, being called ADRRAD trial, involves combining androgen deprivation therapy (ADT) along with the two radio-therapies. Treatment is expected to last about 18 months. VMAT is an externally delivered type of radiotherapy that manipulates radiation beams to adapt to the shape of the tumor, delivering a more precise dose of radiation and limiting damage to surrounding tissue. Radium 223 is [...]

Levels of Serum Alkaline Phosphatase Reflect Negative Prostate Cancer Bone Activity

Not often discussed, but a valuable measure of prostate cancer bone activity is serum (in the blood) alkaline phosphatase. It is a normal enzyme produced naturally by the body. Everyone produces some of this enzyme regardless of his or her state of health, gender, or age. The tissues that produce the most alkaline phosphatase are the bones and liver.  When prostate cancer spreads to the bones, its most common target, the cancer breaks down the bones and leaks alkaline phosphatase into the blood where it can be measured by a simple and inexpensive blood test. Measuring the levels of alkaline phosphatase in [...]

How Quickly You Might Die From Advanced Prostate Cancer Depends On What Organs Are Involved

Researchers at the Duke Cancer Institute along with other cancer centers, in the largest analysis of its kind have found that the organ site where prostate cancer spreads has a direct impact on a man’s survival. They found that men with lymph-only metastasis statistically have the longest overall survival possibility, while those with liver involvement the worst. Men with lung and bone metastasis fall in the middle of these two groups. It has been generally assumed, based on smaller studies, ”that the site of metastasis in prostate cancer affects survival, but prevalence rates in organ sites were small, so it [...]

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