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  • 2000-2004  (1)
  • 1980-1984  (1)
  • Small-angle Scattering  (1)
  • cyclophosphamide  (1)
  • 1
    ISSN: 1569-8041
    Keywords: cyclophosphamide ; dose intensity ; doxorubicin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background:CHOP is accepted as the gold standard for first linechemotherapy of aggressive non-Hodgkin's lymphoma (NHL). A dose-escalationstudy of CHOP was conducted to determine the maximal tolerated dose (MTD) andtoxicity profile of CHOP at three-week intervals with or without prophylacticrecombinant human granulocyte colony-stimulating factor (rHuG-CSF) in patientswith aggressive NHL. Patients and methods:The doses of drugs were escalated from 50mg/m2 to 70 mg/m2 for doxorubicin and from 750mg/m2 to 2250 mg/m2 for cyclophosphamide, withconventional doses of vincristine and oral prednisolone. After the MTD wasdetermined without rHuG-CSF, dose escalation was conducted with prophylacticrHuG-CSF. Results:Thirty-three patients with NHL were enrolled into thestudy. The MTD without prophylactic rHuG-CSF was 70 mg/m2 ofdoxorubicin and 1250 mg/m2 of cyclophosphamide, with neutropeniaas a dose-limiting toxicity. The MTD with prophylactic rHuG-CSF was 70mg/m2 of doxorubicin and 2250 mg/m2 of cyclophosphamide.The overall response rate was 100% (76% complete response and24% partial response). Progression-free survival and overall survivalat five years were 45% and 66%, respectively. Conclusions:Significant dose escalation of doxorubicin andcyclophosphamide was feasible with prophylactic rHuG-CSF. The efficacy ofdose-escalated CHOP should be compared with that of standard CHOP.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1435-1536
    Keywords: Neutron Scattering ; Small-angle Scattering ; Al-Zn Alloys ; Guinier-Preston zone ; Age-hardening
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Zusammenfassung Die Kleinwinkelstreuung der Neutronen von A1-6.8 at % Zn und Al-6.8 at % Zn- 0.1 at % Mg-Legierungen während der Guinier-Preston-Zonen-Bildung wurde am KUR (Kyoto Universität Reaktor) gemessen. Die Proben wurden aus 300 °C in Salzwasser von — 20 °C abgeschreckt und bei 77 K gehalten. Sie wurden bei 40 °C während der verschiedenen Zeitdauer von 0 bis 1000 Minuten mit der nachfolgenden Neutronenmessung bei 77 K gealtert. Die gemessene zeitliche Entwicklung des Streuquerschnittes kann qualitativ erklärt werden in übereinstimmung mit Saitos Formel, die aus zwei verschiedenen Teilen besteht, die der inkohärenten anomalen Schwankung und der kohärenten geordneten Struktur der Konzentration entsprechen.
    Notes: Summary Small-angle neutron scattering from A1-6.8 at % Zn and Al-6.8 at % Zn-0.1 at % Mg alloys during Guinier-Preston zone formation have been measured at KUR (Kyoto University Reactor). The samples were quenched from 300 °C into brine at -20 °C and kept at 77 K. They were aged at 40 °C for various periods ranging from 0 up to 1000 minutes each with subsequent neutron measurement at 77 K. The observed temporal evolution of the cross section can be interpreted qualitatively in terms of Saito's formula which consists of two distinct parts due to the incoherent anomalous fluctuation and to the coherent ordered structure of the concentration.
    Type of Medium: Electronic Resource
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