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Hilton WM Ercole B Parekh DJ Sonpavde G Ghosh R Svatek RS 《Expert review of anticancer therapy》2011,11(6):949-957
Intravesical immunotherapy using attenuated bacillus Calmette-Guérin (BCG) strains and intravesical chemotherapy are the modalities most commonly used to treat intermediate- or high-risk patients with non-muscle invasive bladder cancer. BCG has been shown to decrease recurrence rates by up to 67% compared with tumor resection alone, but intensive BCG maintenance regimens are poorly tolerated in a large proportion of patients. Intravesical chemotherapy also decreases the risk of recurrence for these patients, but has diminished efficacy compared with BCG. If BCG dose reduction can be achieved with combined intravesical immunotherapy and chemotherapy, this regimen may improve compliance and thus optimize treatment for these patients by limiting side effects from BCG monotherapy, while at the same time improving oncologic efficacy via the separate anti-tumor mechanisms of these agents. The authors discuss the most recent data regarding combining these agents in an alternating or sequential regimen. 相似文献
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Sonpavde G Aparicio A Guttierez I Boehm KA Hutson TE Berry WR Asmar L von Hoff DD 《Clinical genitourinary cancer》2007,5(7):457-459
Epigenetic alterations, including methylation of key tumor suppressor genes, may play a role in the progression of prostate cancer to a castration-refractory state. Azacitidine, an agent approved for the treatment of myelodysplastic syndromes, appears to exert its antineoplastic effects partly by hypomethylating DNA that leads to the reversal of gene silencing. It is hypothesized that the addition of azacitidine to complete androgen blockade may restore the responsiveness of progressive prostate cancer to hormonal therapy. A phase II trial was designed to evaluate the activity of azacitidine to primarily modulate PSA kinetics, with supportive secondary clinical endpoints. Correlative studies will be performed to detect the biologic activity of azacitidine (increased fetal hemoglobin, plasma DNA methylation) and examine any association with anti-tumor clinical activity. 相似文献
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Sonpavde G Chi KN Powles T Sweeney CJ Hahn N Hutson TE Galsky MD Berry WR Kadmon D 《Cancer》2007,110(12):2628-2639
The results of this assessment of the literature indicated that neoadjuvant therapy followed by prostatectomy may improve long-term outcomes for patients with high-risk localized disease. In addition, this approach provides a paradigm for evaluating the activity and mechanism of action of new agents as correlative studies are facilitated by the availability of tumor tissue before and after therapy. The authors determined that a multidisciplinary approach involving oncologists, urologists, and pathologists is critical to the success of this model. Recent and ongoing studies of neoadjuvant therapy followed by prostatectomy were reviewed. 相似文献
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Late infantile neuronal lipfuscinosis was confirmed by electron microscopy in this case. At magnifications above 100,000 a particular alternating linear pattern of the curvilinear bodies was found. 相似文献
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