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Biomedical subjects

J Balogh

Publications and source records attributed to J Balogh.

At least 37 records · Page 2Linked to original sources
PubMed1996

[Comparative human pharmacokinetic studies of 20 mg nifedipine-containing Cordaflex and Adalat film coated retared tablets].

Comparative pharmacokinetic studies have been carried out with two 20 mg nifedipine active substance-containing retard film coated tablets, Cordaflex produced by EGIS Pharmaceuticals Co., Ltd. and Adalat of Bayer AG. The pharmacokinetic parameters and the relative bioavailability were determined in 15 and 16 healthy male volunteers, respectively after single and repeated administration in open, randomized cross over study. The plasma concentration of nifedipine was determined by HPLC-ED method, using laboratory robot for automated sample preparation. On the basis of graphical and statistical comparison of the pharmacokinetic parameters (AUC0-infinity, AUCss,0-tau, tmax, Cmax, Css,min, Css,av, MRT, etc.) calculated from the time-plasma concentration curve, moreover on the basis of clinical results, there was no significant difference between the two preparations. In conclusion, the relative bioavailability of Cordaflex and Adalat 20 mg retard tablets did not show significant difference after single and repeated administration.

Administration, Oral↗
PubMed1991

Experience with a new combined method in the differential diagnostics of early endometrial changes.

The authors have performed in 30 cases ultrasonic examination of the endometrium followed by vacuum aspiration with TIS-U-TRAP device (Milex Prod. Inc., Chicago) with equipped a transvaginal head, to obtain samples for histological examination. In 8 of the 30 cases endometrial hyperplasia, while in 2 cases endometrial adenocarcinoma was verified. The authors suggest that transvaginal ultrasonic examination together with vacuum aspiration is suitable for oncological screening of the endometrium.

Adenocarcinoma↗
PubMed1989

Concurrent radiation and chemotherapy in vulvar carcinoma.

Between June 1984 and February 1988 the role of radiation with concurrent infusional 5-fluorouracil with or without mitomycin C (CT-RT) was examined in 33 patients with vulvar cancer. The median duration of follow-up is 16 months (range 5 to 45 months). Nine received adjuvant postsurgical CT-RT and none has relapsed in the radiation field. Seven are alive disease free. Two have died of distant metastases. Of the 9 receiving definitive primary CT-RT, 6 had initial complete response with subsequent vulvar relapse developing in 3. Seven of the 9 remain disease free after CT-RT alone (in 3) or with the addition of a local excision of residual or recurrent disease (in 6). One patient did not respond to CT-RT and required a radical vulvectomy and groin node dissection. Fifteen received CT-RT for disease recurrence following primary surgery. Disease was present in the vulva only in 11, vulva and inguinal nodes in 1 and nodes only in 3. Eight of the 15 had a complete response and no relapses occurred in the treated sites. Four of the 8 dying of disease developed pulmonary metastases. Serious late complications developed in 2 patients, 1 avascular hip necrosis and 1 proctitis requiring a defunctioning colostomy. CT-RT appears tolerable and may contribute to enhanced locoregional control in recurrent or advanced disease. As initial therapy it may allow lesser surgery with preservation of normal anatomy in selected primary vulvar cancers.

Adenocarcinoma↗
PubMed1986

Ultrastructural, lectin histochemical and immunohistological observations on Merkel cell tumors.

The clinicopathological and ultrastructural findings of 10 cases of Merkel cell tumor (MCT) are presented. Three patients died rapidly due to tumor dissemination. The tumor cells in eight out of the 10 cases were positive for neuron-specific enolase, however, all were negative for the ten polypeptide hormones examined, as well as for the argentaffin and argyrophil reactions. One of the patients had suffered from chronic lymphocytic leukaemia. Particularly in this case, but also in the others, the differentiation of MCT from a malignant lymphoma necessitated immuno-histological, lectin histochemical and ultrastructural studies. The focal peanut agglutinin positivity of the tumor cells in 6 out of the 10 MCTs seems to be a characteristic feature of these cells.

Aged↗
PubMed1980

[Not Available].

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History, Modern 1601-↗