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Kaplan Qbank USMLE



Author11 Posts
  #1

What is the initial management of a patient with prostate cancer and osteoblastic metastasis to bone?

Diethylsilbesterol

Radiation

Flutamide

Leuprolide

Leuprolide and Flutamide


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lisa

  #2

leuprolide and flutamide?

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I don't believe in miracles...I rely on them. And sometimes, I create my own.

  #3

sorry for intruding. I am new here. I just registered. How can I post a new thread?

  #4

hitensoni,Welcome!When you want to start a new topic/thread you have to be at the main page of a forum/subforum...you'll see the option of "post new topic" at the top of the page...click on that and follow along.

  #5

Oh and I'd say leuprolide.There has been no proof of an added advantage of using leuprolide and flutamide.

  #6

An is right on this one though I have probably not phrased the question right.

Leuprolide binds to LHRH receptors in anterior pituitary and causes initial increase of LH and FSH leading to a transient increase of testosterone levels. After one week of continuous therapy, there is downregulation of receptors, a decrease in LH, FSH and testosterone. Symptoms may worsen during the first week of therapy due to testosterone surge and therefore, monotherapy with Leuprolide is contraindicated in patients with vertebral metastasis or ureteral obstruction. Flutamide should be used for a week prior to starting treatment with Leurpolide in these patients.


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lisa

  #7

Flutamide is also correct (in real world, we do start patients on Flutamide alone). There are really many, many modalities to treat metatstatic cancer.

I agree hormonal manipulation is the correct choice but

Flutamide and Leuroprolide should be used.

A new LHRH agonist can also be used nowaday.


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  #8

Flare with LHRH agonists is more common in this group of patients; therefore, pretreatment with antiandrogens is necessary.

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  #9

Flutamide

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  #10

docetaxel has emerged as first-line therapy on an every-3-week schedule for metastatic HRPC, replacing mitoxantrone, as recently reported in the TAX327 trial. Docetaxel and estramustine combinations have the disadvantage of significant cardiovascular and gastrointestinal toxicity, and further use of estramustine is likely unwarranted as first-line therapy. Future trials examining novel biologic agents and combination therapies should use single-agent docetaxel as the reference standard. The role of chemotherapy for advanced disease in the neoadjuvant or adjuvant setting, in biochemically (PSA) relapsed patients, and as second-line therapy for relapsed disease, remains a subject of active clinical investigation.

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  #11

Doxetaxel is the correct answer in 2006 too. there are just too many different therapies !

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