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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 65 (1987), S. 338-340 
    ISSN: 1432-1440
    Keywords: Porphyria ; Chemotherapy ; Acute myelogenous leukemia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The safety of drugs in hepatic porphyrias has largely been established by clinical experience, which is very limited in the case of antineoplastic agents. We administered three cycles of polychemotherapy consisting of daunorubicin, cytarabine and 6-thioguanine, and modified supportive care to a 33-year-old Turkish woman suffering from acute myelogenous leukemia. The urinary excretion of total porphyrins, porphobilinogen, and aminolevulinic acid was continuously monitored. Excreation of these metabolites was permanently elevated, but the values were comparatively low during cytotoxic therapy while peak values were recorded at the onset of fever during bone marrow aplasia; yet there were no clinical signs of porphyritic attacks at that time. A few potentially unsafe drugs were tolerated without an increase in porphyrin excretion. Although the susceptibility to drugs is highly variable in patients with hepatic porphyrias, the treatment of malignancy in these patients seems justified as long as porphyrin excretion under therapy is not grossly elevated over baseline values and appropriately modified supportive care is administered.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 68 (1990), S. 539-544 
    ISSN: 1432-1440
    Keywords: Hodgkin's disease ; Salvage-treatment ; Radiotherapy ; Chemotherapy ; Bone marrow transplantation ; Hematopoietic stem cells
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Thirty percent of adult patients with Hodgkin's disease fail primary treatment or relapse after treatment. Whereas overall mortality for Hodgkin's disease is about 20%, half the patients who relapse will die. Among patients with refractory or relapsing disease, about a third can be rescued by conventional salvage treatment. Unfortunately, except for patients with late relapse, remission after conventional salvage treatment is generally not of long duration. However, durable complete remissions can now be achieved in nearly a third of patients with refractory or relapsing disease by means of very aggressive (myeloablative) chemotherapy with consecutive autologous bone marrow transplantation (aBMT). The rate of durable complete remissions seems to be even higher if previous exposure to chemotherapeutic agents is not in excess of two different treatment protocols (optimal timing of aBMT) and if responsiveness to cytotoxic drugs is preserved (low degree of drug resistance). Bone marrow transplantation should be restricted to patients whose resulting long-term prognosis justifies such radical treatment. Reflecting ongoing clinical therapy-studies, in particular in Germany, the role of bone marrow transplantation in a general concept of salvage treatment should be pointed out. Patients should be considered candidates if they fail alternating primary chemotherapy or develop an early relapse after this treatment, but still show responsiveness to chemotherapeutic agents.
    Type of Medium: Electronic Resource
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