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Antiandrogen second line needs response > 12 months


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Second-line antiandrogen therapy in Japanese men with advanced prostate cancer relapsed after primary combined androgen blockade: Who will benefit from second-line hormonal therapy? - Abstract

Monday, 30 August 2010

Department of Urology, Jichi Medical University, Tochigi, Japan.

To identify patients who benefit from the salvage hormonal therapy in men with advanced prostate cancer who relapsed after primary hormonal therapy.

The study included 68 patients treated with primary combined androgen blockade followed by second-line antiandrogen therapy at prostate-specific antigen (PSA) relapse. The cause-specific survival after second-line therapy was compared according to various clinical factors.

Of the several variables isolated as prognostic factors, the duration of response to first-line therapy remained as an independent prognostic factor by multivariate analysis. The comparative survival curves constructed according to the duration of response in first-line therapy and the responsiveness to second-line therapy clearly discriminate the patients' survival. The nadir PSA level in first-line therapy was well substituted for the responsiveness to second-line therapy, thereby enabling to predict the clinical outcome using the readily available variables before second-line therapy. Namely, the patients who failed to attain the duration of response >/=12 months and the nadir PSA < 0.2 ng/ml in first-line therapy are unlikely to benefit from second-line therapy.

These results may imply an inherent unresponsiveness to salvage hormonal therapy in patients who showed insufficient response to primary hormonal therapy and therefore an early introduction of chemotherapy might be an option for such patients.

Written by:

Kobayashi M, Suzuki K, Kurokawa S, Yuzawa M, Morita T.

Reference: Urol Int. 2010 Aug 10. Epub ahead of print.

doi: 10.1159/000318056

PubMed Abstract

PMID: 20699609 Forum: Secondary hormone therapy Title: Antiandrogen second line needs response > 12 months and nadir <0.2 ng/mg

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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