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AA withdrawal, PSA fall, Bone advance


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South Med J. 1998 Jun;91(6):573-5.

Prolonged prostate-specific antigen response in flutamide withdrawal syndrome despite disease progression.

Longmore L, Foley JP, Rozanski TA, Higgins B, Thompson IM.


Department of Surgery, Brooke Army Medical Center, San Antonio, Tex 78234-6200, USA.


Flutamide withdrawal syndrome is characterized by a decrease in prostate-specific antigen (PSA) after flutamide withdrawal in a subset of patients with progressing metastatic carcinoma of the prostate. It is generally hypothesized to be due to a point mutation in the androgen receptor that allows the antiandrogen to function as an agonist, leading to a dramatic and rapid PSA response. We describe a patient with androgen-independent prostate cancer in whom PSA continued to decrease for a period of 15 months after flutamide withdrawal. With continuing fall in PSA, the patient had unequivocal progression of disease seen on bone scan. This case illustrates the potential decoupling of PSA response from disease status in flutamide withdrawal. It also illustrates the need for continued clinical evaluation of patients with metastatic prostate cancer, even in the face of PSA response.

PMID: 9634122 Forum: Metastatic prostate cancer Title: AA withdrawal, PSA fall, Bone advance

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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