Long-term response to combination therapy with estramustine and somatostatin analogue in a patient with androgen ablation-refractory prostate cancer

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Published on Wednesday, 20 August 2014

Abstract

We report on a patient with androgen ablation-refractory prostate adenocarcinoma who had an objective response for longer than 24 months using a combination of estramustine and lanreotide.

At baseline from our combination therapy, his prostate-specific antigen level was 21.30 ng/mL and serum chromogranin A level was 816 ng/mL.

The patient discontinued complete androgen deprivation therapy and underwent combination therapy with oral estramustine 420 mg/day plus lanreotide acetate 73.9 mg intramuscularly every 4 weeks.

After 33 months of follow-up, the patient was alive without clinical disease progression, and his prostate-specific antigen and chromogranin A level was 0.10 and 12 ng/mL, respectively.

 

In a previous study, we showed that combination therapy using ethinylestradiol and the somatostatin analogue, lanreotide, offered objective and symptomatic responses in patients with androgen ablation-refractory prostate cancer.

 

 

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