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Duration of Suppression of Bone Turnover Following Treatment With Zoledronic Acid in Men With Metastatic Castration Resistant Prostate Cancer

2014-08-27 03:16:09 | BioPortfolio

Summary

Bone is the most common site of metastases in prostate cancer and bone complications cause substantial morbidity to this population. Phase III studies have shown that zoledronic acid is effective in decreasing the morbidity associated with bone metastases. Zoledronic acid (ZA) is generally well tolerated but may have side effects such as hypocalcemia, renal impairment and osteonecrosis of the jaw. Administration of ZA as infrequently as once yearly is sufficient to prevent osteopenia or osteoporosis. The optimal treatment interval is unknown, but the drug is often empirically administered every 3-4 weeks. The cost of such treatment is high, and the risk of exposing patients (especially those at low risk) to potential serious side effects with uncertain benefit warrants investigation. This study will determine the duration of suppression of bone turnover in prostate cancer patients with bone metastases following a single infusion of Zoledronic Acid and its effect on quality of life.

Study Design

Observational Model: Case-Only, Time Perspective: Prospective

Conditions

Metastatic Prostate Cancer

Intervention

Zoledronic acid

Location

Princess Margaret Hospital
Toronto
Ontario
Canada
M5G2M9

Status

Recruiting

Source

University Health Network, Toronto

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:16:09-0400

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Medical and Biotech [MESH] Definitions

An androstene derivative that inhibits STEROID 17-ALPHA-HYDROXYLASE and is used as an ANTINEOPLASTIC AGENT in the treatment of metastatic castration-resistant PROSTATE CANCER.

A synthetic long-acting agonist of GONADOTROPIN-RELEASING HORMONE. Goserelin is used in treatments of malignant NEOPLASMS of the prostate, uterine fibromas, and metastatic breast cancer.

A glycoprotein that is a kallikrein-like serine proteinase and an esterase, produced by epithelial cells of both normal and malignant prostate tissue. It is an important marker for the diagnosis of prostate cancer.

Proteins secreted by the prostate gland. The major secretory proteins from the human prostate gland include PROSTATE-SPECIFIC ANTIGEN, prostate-specific acid phosphatase, prostate-specific membrane antigen, and prostate-specific protein-94.

A lipoxygenase metabolite of ARACHIDONIC ACID. It is a highly selective ligand used to label mu-opioid receptors in both membranes and tissue sections. The 12-S-HETE analog has been reported to augment tumor cell metastatic potential through activation of protein kinase C. (J Pharmacol Exp Ther 1995; 274(3):1545-51; J Natl Cancer Inst 1994; 86(15):1145-51)

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