Biomedical subjects
I G Rusakov
Publications and source records attributed to I G Rusakov.
[Diferelin treatment of primary local and generalized cancer of the prostate].
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[Monotherapy with casodex at a dose of 150 mg--a new method of hormonal treatment of disseminated prostatic cancer].
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[Evaluation of efficacy of cyproterone acetate monotherapy in prostatic cancer].
The trial conducted in the Primorsk Regional Cancer Hospital of Vladivostok and P. A. Herzen Moscow Research Cancer Institute studied effectiveness and tolerance of cyproteron acetate (CA) monotherapy and maximal androgenic block (MAB) (CA + surgical or CA + drug castration). A total of 70 patients with localized, locally advanced and generalized prostatic cancer entered the trial. They were divided into three groups: group 1 (54.3%) patients received CA monotherapy--300 mg/day, group 2 (27.1% patients) was exposed to MAB by surgical castration and received CA in a dose 200 mg/day, group 3 (18.6% patients) were exposed to MAB by drug castration and received 200 mg/day CA. The results obtained show that CA monotherapy and MAB have similar effectiveness in favourable prognostic signs. CA monotherapy was less toxic than CA combination with castratio.
[Neoadjuvant hormone therapy with casodex in a dose 150 mg prior to radical prostatectomy in patients with prostatic cancer].
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[Treatment of recurrences of malignant tumors of the maxilla].
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[Qualitative and quantitative assessment of blood erythrocytes of intact animals under the effect of 5-fluorouracil in solution and in microspheres made of acetylcellulose combined with short-term gas hypoxia].
Resistance of erythrocyte membranes, estimated by means of ultrasound hemolysis, was altered 7 days before the cells quantitative changes after simultaneous treatment of intact animals with 5-fluorouracil, administered as solution or in acetate cellulose drug-containing granules, and short-term gas hypoxia. Simultaneous effect of 5-fluorouracil and hypoxia was less toxic for erythropoiesis, while the long-term form of the drug did not affect considerably the liver tissue functions.
[Functionally sparing surgery in locally spread malignant maxillary tumors and the use of local chemotherapy].
53 patients underwent functionally sparing operations which imply electrosurgical maxillectomy with alveolar process and hard palate left intact as well as eyeball preserving resections. At termination of the surgical intervention cyanoacrylate glue compounds incorporating cytostatics bleomycin or carminomycin were applied to the walls of the postoperative cavity. Maxillary alveolar process and hard palate were preserved when the tumor arose from maxillary posterior superior segments, ethmoidal labyrinth and upper nasal cavity. In orbital direction of the tumor spread the eyeball was spared when the lesion was confined to orbital wall and if intraorbital fat was uninvolved. 3-year survival after the above operations made up 60.4%. The method is believed oncologically effective and functionally, cosmetically sparing.
[Intraoperative radiation therapy: its technological support, potentials and prospects].
The authors' experience with intraoperative radiotherapy (IORT) in 129 patients with a tumorous process at various sites has demonstrated that in most clinical events, single radiation doses of 10-20 Gy is insufficient to have a persistent local effect and requires additional pre- or postoperative remote irradiation. The use of IORT as a single component of radiation exposure does not lead to significant radiation damages to normal tissues. When IORT is combined with remote irradiation (the latter using doses of 30-60 Gy), 30% of patients develop radiation-induced normal tissue lesions. In the context of enhancing the local effect and, if possible, decreasing the dose of remote irradiation, it is expedient to increase IORT doses, which is in turn fraught with higher incidence and severity of radiation lesions. In this connection, it seems urgent to have a look for the potentialities to expand the radiotherapeutical range. This follows several directions.