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  • 1
    ISSN: 1432-1440
    Keywords: Small cell bronchogenic carcinoma ; Induction therapy ; Maintenance ; Remission rate ; Survival ; Kleinzelliges Bronchialkarzinom ; Induktionsbehandlung ; Erhaltungstherapie ; Remissionsraten ; Überlebenszeiten
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Seit Juli 1978 wurden 103 Patienten mit inoperablem kleinzelligem Bronchialkarzinom mit der Zytostatikakombination Adriamycin, Cyclophosphamid und Vincristin (ACO) behandelt. Im Stadium „limited disease“ (n=64) erfolgte während des zweiten Chemotherapiekurses eine prophylaktische Schädelbestrahlung, nach dem vierten eine konsolidierende thorakale Bestrahlung. Nach Erreichen einer kompletten Remission erhielten die Patienten prospektiv randomisiert Etoposid oder keine weitere spezifische Therapie. Ein objektives Ansprechen konnte bei 88/100 auswertbaren Patienten erzielt werden. Im Stadium „limited disease“ fanden sich 72%, im Stadium „extensive disease“ nur 33% komplette Remissionen. Im Stadium „limited disease“ betrug die hochgerechnete mediane Überlebenszeit 15,8, im Stadium „extensive disease“ 9,3 Monate (p〈0.005). Es leben noch 29 Patienten, 4 rezidivfrei länger als 24 Monate. Patienten mit kompletter Remission hatten eine statistisch signifikant (p〈0.001) längere Überlebenszeit als Patienten mit geringerem Ansprechen. Regelmäßig traten gastrointestinale und hämatologische Nebenwirkungen auf, drei Patienten starben während der Induktionsphase an Infektionen. Die kurzzeitige Induktionsbehandlung verbesserte jedoch den Krankheitsverlauf subjektiv und objektiv. Bisher ist kein positiver Effekt der zyklischen Etoposid-Gabe nach ACO festzustellen.
    Notes: Summary Since July 1978 one hundred and three consecutive patients with unresectable small cell bronchogenic carcinoma were treated with a combination of doxorubicin, cyclophosphamide and vincristine (ACO). In limited disease patients (64) the second chemotherapy course was followed by prophylactic cranial irradiation, the fourth by irradiation towards primary disease sites. Complete responders were randomised to either receive etoposide or no further maintenance therapy. Objective responses were reached in 88/100 evaluable patients, with 72% of complete remissions in limited-stage disease and 33% in extensive disease, respectively. The actuarial median survival time for limited disease patients was 15.8 months compared to 9.3 months in extensive disease (p〈0.005). 29 of the 100 patients remain still alive, 4 for more than 24 months without disease recurrence. The survival advantage of patients reaching complete remissions relative to those who did not is highly significant (p〈0.001). Acute gastrointestinal and hematological side effects were common, with possibly three drug-related deaths from infections during transient granulocytopenia (mean nadir: 600–900 cells/mm3). The present induction regimen using only four courses of chemotherapy produces high complete remission rates on roentgenography and bronchoscopy and improved survival in the majority of patients. Thus far any effectiveness of etoposide-maintenance therapy following ACO could not be substantiated.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1440
    Keywords: Small-cell lung cancer ; Primary resistance ; Relapse ; Vindesine ; Cisplatin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Thirty-eight pretreated patients with primarily resistant [6] or relapsed [32] small-cell lung cancer were treated with a combination of vindesine (3–4 mg/m2) and cisplatin (60–100 mg/m2). Eight patients responded to this therapy with three (8%) complete and five (13%) partial remissions. Minor responses were noted in 12 (32%) additional patients. Chemotherapeutic response was rare in regions of prior irradiation. In the complete remission group survival from start of vindesine/cisplatin therapy lasted 61, 48 and 38 weeks, respectively. In the “less-than-complete-remission” group median survival was 12 weeks. Nausea and vomiting were the prominent side-effects, while only mild to moderate myelosuppression was noticed in most cases. The vindesine/cisplatin combination showed significant activity in heavily pretreated small-cell lung carcinoma. However, the remission rates remain low in this unfavourable condition, which might be due to pronounced chemotherapeutic resistance in previously irradiated areas.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 35 (1957), S. 465-468 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Zusammenfassung 1. Das leukämogene, filtrierbare Agens aus dem Mäusetumor Sa I besitzt bei heterologer Immunisierung eine eindeutige Antigenwirkung. 2. Die leukämogene Wirkung des Agens wird durch ein spezifisches Antiserum vom Kaninchen weitgehend aufgehoben. 3. Für Kaninchen-Antiserum gegen normales Mäusegewebe konnte eine inaktivierende Wirkung auf den leukämogenen Faktor aus malignen Mäusetumoren nicht nachgewiesen werden. 4. Durch homologe Immunisierung konnten keine Antiseren mit Inaktivierungswirkung auf den leukämieerzeugenden Filtratfaktor des Mäusetumors Sa I gewonnen werden.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Archives of microbiology 153 (1990), S. 463-469 
    ISSN: 1432-072X
    Keywords: Bacillus acidocaldarius ; Cyclohexylcarboxylate auxotrophic mutants ; Function of ω-cyclohexyl fatty acids
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Mutants of the thermoacidophilic Bacillus acidocaldarius, auxotrophic for shikimate or cyclohyxyl-carboxylate, were isolated and characterized. The cyclohexylcarboxylate auxotrophs could be divided by crossfeeding experiments into two groups according to their genetic block. The cyclohexylcarboxylate auxotrophs were deficient in ω-cyclohexyl fatty acid biosynthesis. If the mutants were fed with branched-chain amino acids or short branched-chain fatty acids instead of cyclohexylcarboxylate they form a fatty acid pattern consisting of branched-chain fatty acids. In the high temperature/low pH range the growth yield of cells with this fatty acid pattern is lower as compared to wild type cells or mutants fed with cyclohexylcarboxylate. The same cells are also more sensitive to heat shocks and ethanol. The transport systems for lysine, glutamate and glucose are severely altered by the fatty acid pattern. It was also shown that the density of the lipids containing ω-cyclohexyl fatty acids is higher compared to cells with branched-chain fatty acids. Thus it could be supposed that this alteration influences transport systmes in a direct manner or via energization of the cytoplasmic membrane.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 155 (1996), S. 11-14 
    ISSN: 1432-1076
    Keywords: Heparin therapy ; Heparin-associated thrombocytopenia ; Heparin-antibodies ; Thrombosis ; Orgaran
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A 15-year-old boy developed deep vein thrombosis of the right leg 9 days after appendectomy. In spite of three courses of thrombolysis with streptokinase and effective heparinization the thrombosis progressed with additional occlusion of the left iliac vein. Although platelet counts were constantly normal, heparin-associated thrombocytopenia was suspected as the cause of the new venous occlusions. This diagnosis was confirmed by detecting heparin-associated antibodies with the heparin-induced platelet activation test. Therapy was instituted replacing heparin by the low molecular weight heparinoid Orgaran. Bilateral recanalization occurred within 6 days.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Journal of cancer research and clinical oncology 65 (1963), S. 289-293 
    ISSN: 1432-1335
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Twenty-four hours after intramuscular injection of the Yoshida ascites sarcoma in the lower leg of the rat, there is a massive dispersion of tumor cells from the primary tumor. Hematogenous metastases are significantly more frequent in animals in whom the primary tumor is radically excised than in the nonoperated animals. After intramuscular injection of the Yoshida sarcoma in a lower leg, 93% of the inoculated animals recover if the amputation at the hip is done 2–8 hours after the inoculation. The rate of recovery falls to 48% (or 0%), if the operative procedure occurs 4 days (or 10 days) after the inoculation.
    Notes: Zusammenfassung Bereits 24 Std nach intramuskulärer Impfung des Yoshida-Ascites-Sarkoms in den Unterschenkel von Ratten kommt es zu einer massiven Aussaat von Krebszellen aus dem Primärtumor. Hämatogen entstandene Metastasen sind bei Tieren, denen der Primärtumor operativ radikal entfernt wurde, signifikant häufiger als bei nicht operierten Tieren. Nach intramuskulärer Impfung des Yoshida-Sarkoms in einen Unterschenkel lassen sich 93% der geimpften Tiere heilen, wenn die Amputation im Hüftgelenk 2–8 Std nach der Impfung vorgenommen wird. Die Heilungsrate sinkt auf 48 bzw. 0% ab, wenn der operative Eingriff 4 bzw. 10 Tage nach der Transplantation erfolgt.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 225 (1955), S. 260-268 
    ISSN: 1432-1912
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Zusammenfassung 1. Stoffwechselmessungen an Ascitestumorzellen und an Gewebsschnitten des soliden Ascitestumors zeigen nach Azulen 1·10−3 bis 1·10−5 g/ml einen Anstieg der aeroben Glykolyse auf den anaeroben Wert mit anschließendem Abfall auf 0. Die zeitliche Dauer des Abfalls ist konzentrationsbedingt. Die Atmung erscheint nicht gehemmt. 2. Die anaerobe Glykolyse wird nicht gesteigert, aber gleichlaufend mit der aeroben Glykolyse gehemmt. 3. Naphthalin und Benzpyren verändern den Stoffwechsel des Ascitestumors in der von uns gewählten Versuchsanordnung nicht. 4. Nieren- und Lebergewebe, normale Blutzellen der Peripherie, Exsudatleukocyten und die undifferenzierten Zellen des normalen Knochenmarks werden in ihrem Stoffwechsel durch A 18 nicht beeinflußt. 5. In Tierversuchen werden Hemmwirkungen durch relativ hohe Azulenkonzentrationen auf die Metastasierung nach i.v. Injektion der Tumorzellen und auf das Wachstum i. p. überimpfter Ascitestumorzellen beobachtet. 6. Das Wachstum subcutan injizierter Ascitestumorzellen wurde durch subcutane Applikation von Azulen in den angewandten Konzentrationen nicht gehemmt.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Journal of cancer research and clinical oncology 107 (1984), S. 38-41 
    ISSN: 1432-1335
    Keywords: 4′-Epi-doxorubicin ; Phase-II trial ; Refractory neoplasms
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary 4′-Epi-doxorubicin is a new anthracycline analog with reduced cardiac toxicity in animal studies. A phase-II study was performed in 17 patients predominantly with non-small-cell lung cancer. All suffered from recurrent or advanced tumors and 7 of 16 evaluable patients had been pretreated with an alternative chemotherapy. 4′-Epi-doxorubicin was applied at a dose of 75 mg/m2 every 3–4 weeks. The median total dose was 280 mg (range: 130–250 mg). Only one patient with epidermoid lung cancer (overall response rate: 6%) showed a minor response and stable disease was observed in six other patients with bronchogenic carcinoma. Myelosuppression was rare and moderate: Leukocytopenia of less than 2,000/mm3 occurred in 25% of patients and thrombocytopenia of less than 100,000/mm3 in 8% of patients. The frequency of alopecia and gastrointestinal side effects was 88% and 80%, respectively. Persistent electrocardiographic alterations were recorded in 2 of 14 (14%) patients. One of four patients revealed a marked reduction of left ventricular ejection fraction in radionuclide cardiography. It is concluded that 4′-epi-doxorubicin is not superior to adriamycin in this low-prospect treatment area, but studies with increased doses appear necessary in adriamycin-sensitive tumors because of recent reports from phase-III trials showing reduced cardiac and gastrointestinal toxicity with 4′-epi-doxorubicin in comparison with adriamycin.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Naturwissenschaften 43 (1956), S. 305-305 
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
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