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Zoladex reduces skeletal events, reduces pain

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Zoledronic acid improves clinical outcomes when administered before onset of bone pain in patients with prostate cancer - Abstract

Friday, 10 December 2010

Centre Hospitalier de i'Université de Montréal, Hôpital Notre-Dame, Montréal, Quebec, Canada.


To evaluate, in an exploratory analysis, the effect of zoledronic acid (ZOL) on skeletal-related event (SRE) incidence as determined by the bone pain levels at study entry. Bone metastases can undermine skeletal integrity long before the onset of symptoms. Treating patients before symptom onset might be more effective in preventing SREs and improving patients' quality of life. ZOL has shown significant reductions in SREs and pain compared with placebo in patients with bone metastases from advanced prostate cancer in a randomized placebo-controlled trial.

Patients from a placebo-controlled, Phase III trial of men with castration-resistant prostate cancer, randomized to receive ZOL 4 mg (n = 214) or placebo (n = 208) for ? 24 months, were stratified by pain or no pain at baseline. Bone pain was assessed at baseline, week 3, and week 6 and at 6-week intervals thereafter. The primary endpoint was the proportion of patients with ? 1 SRE.

ZOL significantly reduced the mean pain scores compared with placebo at 3, 9, 21, and 24 months (P ? .03 for each point) and reduced the annual incidence of SREs. Among patients without baseline pain, ZOL decreased the percentage of patients with ? 1 SRE by 39% and reduced the annual incidence of SREs by 49% compared with placebo. ZOL delayed the onset of bone pain in those patients without pain at baseline compared with placebo.

ZOL reduced bone pain and SREs compared with placebo in patients with bone metastases from castration-resistant prostate cancer, irrespective of the baseline pain status, and appeared more efficacious when initiated before the onset of pain.

Written by:

Saad F, Eastham J.

Reference: Urology. 2010 Nov;76(5):1175-81.

doi: 10.1016/j.urology.2010.05.026

PubMed Abstract

PMID: 21056263 Forum: Other prostate cancer topics including radiation Title: Zoladex reduces skeletal events, reduces pain.

This extract can be found on http://PubMed.com, and is in the public domain.

On PubMed.com there will be a link to the full paper (often $30, sometimes free).

Any highlighting (except the title) is not by the author, but by Jim Marshall.

Jim is not a doctor.

This page was found on the Advanced Prostate Cancer Community for Australian men at http://advancedprost...lia.ipbhost.com.

The link is hard to remember.

An easier way to find it is to go to JimJimJimJim.com and click on Prostate.

That's the word Jim four times, no spaces, followed by .com.

If you need other help - to perhaps find someone to talk to or a local support group:

Click on the Contact Jim button at http://JimJimJimJim.com.

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