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Intermittent no negative effects 2007


JimmyToowong

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BJU Int. 2007 Jan;99 Suppl 1:19-22; discussion 23-4.

The current status of intermittent androgen deprivation (IAD) therapy for prostate cancer: putting IAD under the spotlight.

Tunn U.

Urological Department, Academic Hospital, Offenbach am Main, Offenbach, Germany. tunn@em.uni-frankfurt.de

Abstract

Intermittent androgen deprivation (IAD) is one approach to hormonal therapy for prostate cancer that has been developed with the aim of minimizing the negative effects of therapy while maximizing the clinical benefits and the patient's quality of life (QoL). It can be used in any clinical situation where continuous AD (CAD) treatment could be applied. IAD is a cyclic therapy consisting of on-treatment periods followed by observation periods, known as off-treatment periods or intervals (OTIs), and the response to therapy, or occurrence of disease progression, is monitored by measuring the patient's prostate-specific antigen (PSA) levels. The on-treatment period is generally fixed, normally lasting for 6-9 months or in some protocols until a PSA nadir of <4 ng/mL is reached. By contrast, the OTI is variable and treatment is re-instituted depending on the patient's PSA level; however, the exact trigger point is chosen empirically. The potential advantages of IAD over CAD therapy are an improved QoL, a prolonged period of androgen dependence, a reduced incidence of the side-effects normally associated with AD therapy, and a decrease in the cost of care. Results from phase II clinical studies of IAD have shown that it has good acceptance and feasibility. QoL improves during the OTIs, there is reduced toxicity, and a positive affect on bone density compared with CAD therapy. In these studies IAD appeared to have no negative effects on time to progression or survival. Further investigations of IAD are ongoing in randomized, controlled, phase III trials in the USA, Canada and Europe. Most of these studies are not yet mature and final results are awaited; however, interim analyses from some studies suggest IAD and CAD therapy are equally effective in terms of progression-free survival.

PMID: 17229164 Forum: Primary hormone therapy Title: Intermittent no negative effects 2007

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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