Abstract：
:High-dose chemotherapy (HDC) in high-risk breast cancer is one of the possible approaches how to improve therapeutic results, eventually, to overcome the incurability of the disease. In recent randomized studies superiority of HDC to conventional therapy has not been unambiguously established. Nevertheless, many oncologists, as well as, patients are so convinced of HDC benefits, that they are not willing to take part in randomized studies. At an ASCO Annual Meeting (American Society of Clinical Oncology) in May 1999 in Atlanta - preliminary results of five large randomized studies phase III were presented (2 studies on metastatic breast cancer and 3 studies on high-risk breast cancer with more than 10 positive lymph nodes). The ASCO was informed of an investigation into serious scientific misconduct in a clinical trial that was presented in a plenary session of its Annual Meeting. The results of Dr. Bezwoda's research were presented at ASCO's Meeting as one of four plenary papers on the investigational therapy and was the only one to clearly indicate a survival benefit in the high-dose regimen. Preliminary results presented there, however, did not confirm the original hypothesis of the high efficacy of HDC. It is necessary to wait for definite results (within two or three years, because enrollment of patients either has been finished or is being finished just now) and several parameters may change. In view of hitherto results, some investigators think that there is no need to continue in similar intensive studies. Still some believe that different modifications of therapeutic regimens or new, less toxic drugs should be tested which may lead to more effective and safer HDC.
journal_name
Neoplasmajournal_title
Neoplasmaauthors
Filip S,Petera J,Odrázka K,Bláha Msubject
Has Abstractpub_date
2000-01-01 00:00:00pages
261-8issue
5eissn
0028-2685issn
1338-4317journal_volume
47pub_type
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