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  • 1
    ISSN: 1432-1440
    Keywords: Bone marrow transplantation ; Acute leukaemia ; Knochenmarktransplantation ; akute Leukämie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Im Rahmen der Arbeitsgemeinschaft Knochenmarktransplantation München wurden von August 1975 bis Juni 1980 insgesamt 17 Patienten mit rezidivierter, akuter Leukämie mit Knochenmark von HLA-identischen Geschwistern transplantiert. Die antileukämische und immunsuppressive Vorbehandlung bestand aus BCNU, Cytosin-Arabinosid, Cyclophosphamid in hoher Dosierung und Ganzkörperbestrahlung mit etwa 9 Gy Körpermitteldosis an einer60Co-Doppelbestrahlungsanlage. Die Prophylaxe einer Graft-versus-Host Krankheit (GvHK) wurde in allen Fällen mit Methotrexat durchgeführt, bei neun Patienten wurde als zusätzliche GvHK-Prophylaxe das Knochenmark mit Anti-T-Zell-Globulin inkubiert, von dem die Antikörper gegen hämopoetische Stammzellen absorbiert waren. Zwei von fünf auswertbaren Patienten, die unbehandeltes Knochenmark erhalten hatten, entwickelten chronische GvHK, während kein Patient nach ATCG-Inkubation des Knochenmarkes eindeutige GvH-Krankheit bekam. Sechs Patienten leben in Vollremission zwischen einem und 33 Monaten nach Knochenmarktransplantation (KMT). Fünf Patienten starben mit Rezidiven zwischen 3 1/2 und 24 Monaten nach KMT, drei Patienten mit interstitieller Pneumonie innerhalb von 3 Monaten nach KMT und drei Patienten innerhalb von 4 Wochen ohne ausreichende Knochenmarkfunktion. Vier von 13 Patienten, die vor mehr als 6 Monaten transplantiert wurden, überleben zur Zeit 11, 14, 19 und 33 Monate in Vollremission. Unsere Ergebnisse bestätigen, daß selbst in fortgeschrittenen Stadien akuter Leukämie durch KMT noch langfristige Remissionen erreichbar sind.
    Notes: Summary Seventeen patients with relapsed, acute leukemia were grafted with bone marrow from HLA-identical siblings by the ‘Munich Cooperative Group for Bone Marrow Transplantation’ during the period from August 1975 to June 1980. The antileukemic and immunosuppressive conditioning treatment consisted of high doses of Bischlorethyl nitrosourea, Cytosine-Arabinoside and Cyclophosphamide, as well as, total body irradiation of about 9 Gy (midline body dose) from dual60Cobalt sources. Methotrexate was given to all patients for prophylaxis of graft-versus-host disease (GvHD). Nine patients received marrow that was treated with anti-T-cell globulin (ATCG) “in vitro”. — Crossreacting antibodies against hemopoietic stem cells were removed by absorption. Two of 5 evaluable patients given untreated marrow developed chronic GvHD, while patients given ATCG-treated marrow did not show unequivocal symptoms of GvHD. Six patients are in complete remission one to 33 months following bone marrow transplantation (b.m.t.) Five patients died with relapses of leukemia between 3 1/2 and 24 months following b.m.t., 3 patients died with interstitial pneumonia within 3 months of b.m.t. and 3 patients died with insufficient graft function within 4 weeks of b.m.t. Four of thirteen patients that were grafted more than 6 months ago are presently alive and in continuous complete remission at 11, 14, 29 and 33 months following b.m.t. Our results confirm that longterm remissions can be obtained with b.m.t. in patients with acute leukemia in advanced stage.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 62 (1984), S. 138-144 
    ISSN: 1432-1440
    Keywords: Bleomycin ; Pulmonary infiltrates ; Testicular cancer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Under Cisplatinum/Vinblastine/Bleomycin treatment six of 82 patients with nonseminomatous testicular cancer developed a Bleomycin-induced pulmonary toxicity. After a total Bleomycin dose of 300–360 mg all six patients showed multiple nodular densities near the pleura in the basal lung areas on the computed tomographic scanning (CT). Disseminated interstitial infiltrates, mostly in the lower lung fields were spontaneously observed by means of chest X-rays in only one case. In two other cases only minimal changes were found retrospectively. In five cases the diffusion capacity did not decrease significantly. Diffusion capacity, vital capacity and oxygen fell significantly in only one case. The latter was also the only patient showing clinical symptoms. The lung changes were completely reversible in four patients 4–6 months after cessation of Bleomycin. In two patients there were reversible residual changes after a timespan of 20 and 24 months. Two patients received no further antineoplastic treatment, two were under maintenance therapy, two under further induction chemotherapy because of the assumption of lung metastases. None of the six patients show any evidence at present of testis tumor (observation period 17–34 months). It can be difficult to distinguish between Bleomycin-induced lung damage and tumor metastases by radiological means. We were able to differentiate by observing the clinical course of the six patients. In case of doubt a histological examination is strongly recommended.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 54 (1976), S. 349-355 
    ISSN: 1432-1440
    Keywords: In vitro test ; Cytostatic agents ; Resistance ; Human tumors ; In-vitro-Test ; Cytostatika ; Resistenz ; menschliche Tumoren
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Die Kurzzeitinkubation menschlichen Tumormaterials in vitro mit verschiedenen Cytostatika unter Zusatz der entsprechenden radioaktivmarkierten Stoffwechselpräkursoren zeigt mit hoher Sicherheit diejenigen Cytostatika auf, die gegenüber dem untersuchten Tumor wirkungslos sind. Durch prätherapeutische Kenntnis solcher Substanzen kann der Patient vor überflüssiger und zusätzlich schädigender cytostatischer Therapie bewahrt werden. Die In-vitro-in-vivo-Korrelation des Testsystems wurde an 3 verschiedenen Gruppen überprüft: 1. Tumor-Patienten die cytostatisch therapiert worden waren, deren Tumoren aber entweder primär therapieresistent waren oder aber nach anfänglicher Tumorrückbildung sekundär Resistenzen entwickelten: sämtliche Cytostatika, die zum Zeitpunkt der Testung klinisch keinen Einfluß auf das Tumorwachstum hatten, erwiesen sich auch im In-vitro-Test als wirkungslos. 2. Tumor-Patienten, die entgengen den In-vitro-Testergebnissen nach klinischen Therapieschemata behandelt worden waren: bei dieser Gruppe konnte, in Übereinstimmung mit dem Testergebnis, klinisch keine Beeinflußung des Tumorwachstums festgestellt werden. 3. Tumor-Patienten, die entsprechend den Ergebnissen der Tumorresistenztestung behandelt wurden. Aus den klinischen Therapieprogrammen wurden diejenigen Substanzen eliminiert, die sich im In-vitro-Test als resistent erwiesen hatten: in keinem Fall dieser Gruppe war es nach einem Beobachtungszeitraum von 8 Wochen zu einer Progression des Tumorwachstums gekommen.
    Notes: Summary An in vitro short term incubation of human tumors with different cytostatic agents and their corresponding radioactive precursors of cell metabolism allows detection of those drugs which are inefficacious on the examined tumor. The pretherapeutical knowledge of those substances keeps the patient from unnecessary and damaging cytotoxic treatment. The in vitro and in vivo correlation of this technique was tested on 3 different groups of tumor patients: 1. Chemotherapeutically treated tumor patients with primary or secondary induced resistance against the applied cytostatic agents: all substances which clinically did not influence the tumor growth at the moment of the test also were inefficient in the in vitro test system. 2. Tumor patients who were treated according to a clinical therapy regimen contrary to the results of the in vitro testing: corresponding to the test, no influence on tumor growth was seen. 3. Tumor patients who were treated according to the results of the resistance test: after 8 weeks observation none of these patients had any signs of tumor progression.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 57 (1979), S. 1191-1193 
    ISSN: 1432-1440
    Keywords: Hydroxyurea ; Human bone marrow ; Partial synchronization ; Hydroxyurea ; menschliches Knochenmark ; partielle Synchronisation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Bei vier an disseminierten Tumoren erkrankten Patienten mit morphologisch intaktem Knochenmark wurde eine perorale Hydroxyurea-Infusion (HU) in einer Konzentration von etwa 5×10−4 Mol über 10 h durchgeführt. Als Parameter der DNS-Synthese wurden die 3H-Thymidin-Einbauraten am durch Punktion gewonnenen Knochenmark vor, während und/oder nach HU-Behandlung gemessen. Die DNA-Synthese war während der HU-Applikation weitgehend inhibiert und stieg 14–16 h nach Absetzen des Medikaments um den Faktor 1,5 bis 2 des Ausgangswertes an. Als Erklärung dient eine partielle Synchronisation von Knochenmarkszellen, wobei Zelldepletions- und Recruitmenteffekte nicht sicher auszuschließen sind. Klinisch faßbare toxische Wirkungen wie Verminderung peripherer Blutzellen oder Unverträglichkeit traten nicht auf.
    Notes: Summary Four patients, who suffered from malignant, disseminated tumors but had a morphologically intact bone marrow, where given a peroral Hydroxyurea (HU) infusion in a concentration of about 5×10−4 mol over a period of 10 h. As indicator of the DNA synthesis the 3H-TdR-incorporation of bone marrow, gained by puncture before, during, and/or after HU application, was measured. While using HU, the DNA synthesis was extensively inhibited. Fourteen to 16 h after discontinuing the HU it increased by the factor 1.5 to 2 of the initial value, i.e., before treatment. This is interpreted as a partial synchronization of bone marrow cells where effects of cell depletion and recruitment are not to be entirely excluded, Toxicity, such as the decrease of peripheral blood cells or nausea, did not occur.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-1440
    Keywords: Cis-dichlorodiammine-platinum (II) ; Nephrotoxicity ; Iodo-131-hippurate-clearance ; Serum creatinine ; Creatinine clearance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In 25 patients, who received repeated doses of cis-DDP, we determined iodo-131-hippurate-clearance, creatinine clearance and serum creatininc to assess the nephrotoxic effect induced by cis-DDP. A highly significant decrease in the iodo-131-hippurate-clearance was found between the first and the following cycles. There was no significant change in serum creatinine and creatinine clearance however. The radio-hippurate-clearance showed a clinically not important reduction during several cytotoxic courses in 15/25 patients (60%). A clinically relevant impairment of the radio-hippurate-clearance occurred in 8/25 patients (32%), mainly before the third and fifth cytotoxic cycle. In two patients this clearance did not alter or was even rising. In 12 cases a diminuation of the iodo-131-hippurate-clearance was observed, which in only 5 cases correlated to a decreased creatinine clearance and in only two cases to an elevated serum creatinine. Therefore, we consider neither creatinine nor creatinine clearence nor the combination of both parameters to be appropriate to assess tubular nephropathy induced by cis-DDP. Radio-hippurate-clearance should play a superior role deciding on treatment stop or dose reduction of cis-DDP. The regression of cis-DDP-induced nephropathy was not evaluated.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Comparative Biochemistry and Physiology -- Part B: Biochemistry and 60 (1978), S. 47-50 
    ISSN: 0305-0491
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Comparative Biochemistry and Physiology -- Part B: Biochemistry and 49 (1974), S. 171-185 
    ISSN: 0305-0491
    Keywords: Aldehyde oxidase ; peroxidase aldehyde oxidase ; phylogeny ; xanthine dehydrogenase
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Comparative Biochemistry and Physiology -- Part B: Biochemistry and 45 (1973), S. 87-93 
    ISSN: 0305-0491
    Keywords: Cambarus bartoni ; N^1-methylnicotinamide ; aldehyde oxidase ; xanthine oxidase
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Comparative Biochemistry and Physiology -- Part B: Biochemistry and 40 (1971), S. 781-795 
    ISSN: 0305-0491
    Keywords: Arginase ; Cambarus bartoni ; Crustacea ; ammonotelism ; characteristics ; comparative enzymology of arginase ; crayfish ; nitrolism ; ureolism
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Comparative Biochemistry and Physiology -- Part B: Biochemistry and 45 (1973), S. 749-762 
    ISSN: 0305-0491
    Keywords: Cambarus bartoni ; Crayfish ; Crustacea ; oxidase ; peroxidase
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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