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  • 1
    ISSN: 1569-8041
    Keywords: breast cancer ; high-dose chemotherapy ; minimal residual disease ; stem cell transplantation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The increasing use of high-dose chemotherapy with autologous hematopoietic transplantation for the treatment of solid malignancies has raised concern about the role of tumor cells contaminating the grafts. Minimal residual disease (MRD) in autologous grafts has became a dynamic and intensively studied field in oncology. This review discusses the current status of MRD in breast cancer autografts and presents existing data on detection methodology, clinical relevance, biologic characteristics and purging techniques.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1279-8509
    Keywords: Autologous bone marrow transplantation ; Autologous peripheral blood stem cell transplantation ; High-dose chemotherapy ; Second primary neoplasms
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We treated 500 patients with high-dose chemotherapy and autologous bone marrow or autologous peripheral blood stem cell transplantation. Treated conditions included leukemia, lymphoma, breast cancer, lung cancer, germ-cell carcinoma, and other solid tumors. 10/500 (2%) of patients were treated for a second malignancy diagnosed 12 months to 25 years after their initial neoplasm. Four of these ten patients are in complete remission (CR) of both malignancies at a median follow-up of 29+ months after high-dose chemotherapy and autotransplantation. None of these patients would have been eligible for high-dose chemotherapy and autotransplantation by conventional selection criteria which usually exclude patients with a history of prior malignancies. Conclusion. Conventional exclusion criteria for high-dose chemotherapy and autotransplantation may not adequately reflect the prognosis of patients with second or secondary malignancies treated with this therapeutic modality. High-dose chemotherapy and autologous hematopoietic stem cell transplantation may be of true benfit in selected cases of secondary malignancies.
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  • 3
    ISSN: 1569-8041
    Keywords: chemotherapy ; hematopoietic growth-factor support ; high-dose chemotherapy ; non-small-cell lung cancer ; peripheral blood stem cell transplantation ; treatment toxicity and mortality
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: We conducted a phase I/II trial to assess the feasibilityand activity of combination chemotherapy with etoposide, ifosfamide,cisplatin, and epirubicin in limited-stage (LS, stage I–IIIB) andextensive-stage (ES, stage IV) non-small-cell lung cancer (NSCLC). End-pointswere treatment-related morbidity and mortality, response rate, duration ofresponse, and survival. Patients and methods: Chemotherapy followed by granulocytecolony-stimulating factor was given at a dose of etoposide (500mg/m2), ifosfamide (4000 mg/m2), cisplatin (50mg/m2), and epirubicin (50 mg/m2) (VIP-E) to107 patients with NSCLC. Twenty-five patients with qualifying responsesproceeded to high-dose chemotherapy with autologous peripheral blood stem celltransplantation after etoposide (1500 mg/m2), ifosfamide(12,000 mg/m2), carboplatin (750 mg/m2) andepirubicin (150 mg/m2) (VIC-E) conditioning. Results of conventional-dose VIP-E: 35 of 102 (34%) evaluablepatients responded (2 CR's, 33 PR's), 33/102 patients (33%) showed nochange (NC); the remainder of patients progressed with therapy (PD). Objectiveresponse rate was 68% (4% CR, 64% PR) in LS-NSCLC and23% (1.4% CR, 21.4% PR) in ES-NSCLC. Median duration ofsurvival was 13 months in LS-NSCLC and 5.5 months in ES-NSCLC. Two-yearsurvival was 26% in LS and 2% in ES-NSCLC. Results of high-dose VIC-E: 23 of 24 evaluable patients improved ormaintained prior responses (92%), 1 patient showed NC. Treatmentmortality was 4%. Median duration of survival was 17 months in LS-NSCLCand 10 months in ES-NSCLC. Two-year survival was 30% in LS and8% in ES-NSCLC. Conclusion: Response-rates and survival after conventional-dose VIP-Echemotherapy are comparable to other published trials of combinationchemotherapy in NSCLC. Toxicity and mortality is acceptable in limited stage,but unacceptably high in extensive stage NSCLC. Although better response-rateswere achieved in the high-dose arm, they did not translate into improvedsurvival. Most stage IV NSCLC-patients will neither benefit from VIP-Econventional dose, nor from VIC-E high dose chemotherapy. Whether selectedLS-patients with partial or complete responses to VIP-E induction chemotherapycould benefit from dose intensification in an adjuvant or neo-adjuvant settingremains to be determined.
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  • 4
    ISSN: 1569-8041
    Keywords: chemotherapy ; hematopoietic growth-factor support ; high-dose chemotherapy ; peripheral blood stem cell transplantation ; small-cell lung cancer ; treatment toxicity and mortality
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: We conducted a phase I/II trial to assess the feasibilityand activity of VIP-E chemotherapy in small-cell lung cancer. End-points weretreatment-related morbidity and mortality, response to treatment, duration ofresponse, and survival. Patients and methods: Two cycles of combination chemotherapy followedby granulocyte colony-stimulating factor (G-CSF) were given at a dose ofetoposide (500 mg/m2), ifosfamide (4000mg/m2), cisplatin (50 mg/m2), and epirubicin(50 mg/m2) to 100 consecutive patients with SCLC. Thirtypatients (19 with LD, and 11 with ED SCLC) proceeded to VIC-E high-dosechemotherapy with autologous peripheral blood stem cell transplantation(PBSCT) at a cumulative dose of etoposide 1500 mg/m2,ifosfamide 12,000 mg/m2, carboplatin 750 mg/m2and epirubicin 150 mg/m2 (VIC-E). Surgical resection ofprimary tumor was attempted at the earliest feasible point. Thoracicirradiation was given after completion of chemotherapy. Results of conventional-dose VIP-E: 97 patients were evaluable forresponse. Objective response rate was 81% in LD-SCLC (33% CR,48% PR; excluding patients in surgical CR) and 77% in ED-SCLC(18% CR, 58% PR). Treatment mortality was 2%. Mediansurvival was 19 months in LD-SCLC and 6 months in ED-SCLC. Two-year survivalwas 36% in LD and 0% in ED SCLC. Results of high-dose VIC-E: All 30 patients improved on or maintainedprior responses. Four patients (13%) died of treatment-relatedcomplications. Median survival was 26 months in LD-SCLC and 8 months inED-SCLC. Two-year survival was 53% in LD and 9% in ED SCLC. Conclusion: VIP-E chemotherapy is an effective induction therapy forSCLC. Compared with traditional protocols such as ACO orcarboplatin/etoposide, response rates are slightly improved, while survivalis not different. In the LD SCLC subgroup, high-dose chemotherapy improvedresponse rates and survival, especially for patients in surgical CR prior tohigh-dose therapy. In ED SCLC, however, higher response-rates did nottranslate into improved survival. Selected LD-SCLC patients with good partialor complete remissions after prior therapy may benefit from HDC and PBSCT.
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 353 (1996), S. 314-323 
    ISSN: 1432-1912
    Keywords: Noradrenaline ; Neuropeptide Y ; 1A-adrenoceptor ; Y1 NPY receptor ; Microvessel
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We have studied the contractile effects of the sympathetic transmitter noradrenaline and its cotransmitter neuropeptide Y (NPY) given alone and in combination on isolated rat mesenteric resistance vessels (200–300 μm diameter). Noradrenaline and NPY each concentration-dependently contracted rat mesenteric microvessels (EC50 ≈ 800 nM and 10 nM, respectively), but noradrenaline caused considerably greater maximal effects than NPY (14.3 mN vs. 3.5mN). A low antagonistic potency of yohimbine indicated that the response to noradrenaline did not involve α2-adrenoceptors, and the subtype-selective antagonists 5-methylurapidil, tamsulosin and chloroethylclonidine indicated mediation via an α1A-adrenoceptor. Shallow Schild regressions for prazosin and 5-methylurapidil indicated that an α1-adrenoceptor subtype with relatively low prazosin affinity might additionally be involved. Studies with the NPY analogues PYY, [Leu31, Pro34]NPY and NPY18–36 demonstrated that NPY acted via a Y1 NPY receptor. In addition to its direct vasoconstricting effects NPY also lowered the noradrenaline EC50 but did not appreciably affect maximal noradrenaline responses indicating possible potentiation. The potentiating NPY response occured with similar agonist potency as the direct contractile NPY effects and also via a Y1 NPY receptor. The Ca2+ entry blocker nitrendipine (300 nM) reduced direct contractile responses to noradrenaline and NPY but did not affect the potentiation response to NPY.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-1912
    Keywords: Key words Noradrenaline ; Neuropeptide Y ; α1A-adrenoceptor ; Y1 NPY receptor ; Microvessel
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  We have studied the contractile effects of the sympathetic transmitter noradrenaline and its cotransmitter neuropeptide Y (NPY) given alone and in combination on isolated rat mesenteric resistance vessels (200–300 μm diameter). Noradrenaline and NPY each concentration-dependently contracted rat mesenteric microvessels (EC50≈800 nM and 10 nM, respectively), but noradrenaline caused considerably greater maximal effects than NPY (14.3 mN vs. 3.5 mN). A low antagonistic potency of yohimbine indicated that the response to noradrenaline did not involve α2-adrenoceptors, and the subtype-selective antagonists 5-methylurapidil, tamsulosin and chloroethylclonidine indicated mediation via an α1A-adrenoceptor. Shallow Schild regressions for prazosin and 5-methylurapidil indicated that an α1-adrenoceptor subtype with relatively low prazosin affinity might additionally be involved. Studies with the NPY analogues PYY, [Leu31, Pro34]NPY and NPY18-36 demonstrated that NPY acted via a Y1 NPY receptor. In addition to its direct vasoconstricting effects NPY also lowered the noradrenaline EC50 but did not appreciably affect maximal noradrenaline responses indicating possible potentiation. The potentiating NPY response occured with similar agonist potency as the direct contractile NPY effects and also via a Y1 NPY receptor. The Ca2+ entry blocker nitrendipine (300 nM) reduced direct contractile responses to noradrenaline and NPY but did not affect the potentiation response to NPY.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-0584
    Keywords: Key words Autologous bone marrow transplantation ; Autologous peripheral blood stem cell transplantation ; High-dose chemotherapy ; Second and secondary primary neoplasms
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  We treated 500 patients with high-dose chemotherapy (HDC) and autologous bone marrow (ABMT) or autologous peripheral blood stem cell transplantation (PBSCT). Treated conditions included leukemia, lymphomas, breast cancer, lung cancer, germ-cell carcinomas, and other solid tumors. In order to assess relapse of primary malignancy or occurrence of new neoplasms, routine screening after ABMT or PBPCT was performed at regular and close intervals. With a total follow-up of 1358 person-years and a median follow-up of 34 months (range 9–91), 10/500 (2%) patients developed second malignancies after PBSCT or ABMT; i.e., one new cancer occurred every 136 person-years. All malignancies were detected at routine follow-up examinations; and 7/10 diagnoses were made in an asymptomatic phase; 6/10 neoplasms were amenable to complete surgical resection, five of which remain in CR at a median of 23+ months after autotransplantation. We conclude that regular and close follow-up examination of patients after autologous hematopoietic stem cell transplantation may be beneficial, since successful treatment of second malignancies is possible in selected cases after early detection.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Annals of hematology 78 (1999), S. 341-354 
    ISSN: 1432-0584
    Keywords: Key words Chemotherapy ; CML ; Radiotherapy ; Secondary leukemia ; Immunosuppression
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Treatment-related (Tr) AML and MDS after chemotherapy, radiotherapy, or the combination of both have been well characterized. However, tr-CML seems to differ from these better-known entities in frequency, clinical course, and prognosis. Tr-CML cannot be distinguished from de novo CML cytogenetically, and, in contrast to tr-AML and tr-MDS, typical chromosomal aberrations related to tr-CML have not been described. Treatment-related CML is a late effect of cytotoxic or immunosuppressive therapy which might be increasingly recognized due to a higher number of patients treated with intensive therapy regimens. We review here the available data on incidence of tr-CML as well as the affected individual's characteristics with regard to different treatment options in malignant and nonmalignant diseases.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Journal of cancer research and clinical oncology 50 (1940), S. 97-98 
    ISSN: 1432-1335
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Journal of cancer research and clinical oncology 50 (1940), S. 98-99 
    ISSN: 1432-1335
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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