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  • 1
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Steroids 52 (1988), S. 181-186 
    ISSN: 0039-128X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Journal of Chromatography B: Biomedical Sciences and Applications 615 (1993), S. 309-315 
    ISSN: 0378-4347
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 0957-4166
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1569-8041
    Keywords: breast cancer ; camptothecins ; colorectal cancer ; GI147211 ; non-small-cell lung cancer ; topoisomerase I
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background:GI147211 is a water-soluble synthetic analogue ofcamptothecin showing promising in vivoand in vitroantitumor activity and an acceptable toxicity profile. Patients and methods:Between April 1995 and November 1996, 67eligible patients with pretreated breast cancer (25 patients) andchemo-naïve colorectal (19 patients) and non-small-cell lung cancer (23patients) were entered into three multicentric, non-randomized phase IItrials. Treatment schedule consisted of intravenous GI147211 administered ata dose of 1.2 mg/m2/day for five consecutive days every threeweeks. Results:Hematological toxicity was common with grade 3–4neutropenia in 54% of patients and neutropenic fever together or notassociated with infection in 14.5% of patients. Grade 3–4thrombocytopenia and grade 2–4 anemia were observed in 20% andin 68% of patients, respectively. Non-hematological toxicity wasgenerally mild to moderate and consisted mainly of gastrointestinal toxicity,asthenia and alopecia. A dose-escalation to 1.5 mg/m2/d wasfeasible in 17 (25%) patients. The antitumor activity of GI147211 wasmoderate in breast cancer patients (3 partial responses (PRs), response rate(RR) 13%) and minimal in non-small cell lung cancer patients (2 PRs,RR 9%). No objective responses were obtained in colorectal patients. Conclusions:GI147211, at the dose and schedule employed in thisstudy, showed an acceptable safety profile but a modest antitumor activity inthe examined tumor types.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1569-8041
    Keywords: amifostine ; cisplatin ; cytoprotection ; head and neck cancer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Cisplatin is one of the most active cytotoxic agents available for the treatment of patients with head and neck cancer. In a previous phase II study with weekly administration of cisplatin, a response rate of 51% was achieved. However, only in a minority of the patients the planned high dose intensity of 80 mg/m2/week could be reached because of toxicity, mainly thrombocytopenia and ototoxicity. Amifostine is a cytoprotective drug that can diminish the toxicity of alkylating agents and platinum compounds. Therefore the effect of amifostine on toxicity and activity of weekly cisplatin was investigated in a randomized study. Patients and methods: Patients with locally advanced, recurrent or metastatic head and neck cancer were eligible. Patients were randomized to weekly cisplatin 70 mg/m2 for six cycles preceded by amifostine 740 mg/m2, or cisplatin only. Cisplatin was administered in hypertonic saline (3% NaCl) as a one-hour infusion; amifostine was administered as a 15-minute infusion directly before the administration of cisplatin. Results: Seventy-four patients were entered in the study. The median number of cisplatin administrations was 6 (range 2–6), equal in both arms. In both treatment arms the median dose intensity of cisplatin achieved was the planned 70 mg/m2/week. In the cisplatin only arm 6 out of 206 cycles were complicated by thrombocytopenia grade 3 or 4 versus 1 of 184 cycles in the amifostine arm (P = 0.035). Hypomagnesaemia grade 2 + 3 was significantly less observed in the amifostine arm (P = 0.04). Neurotoxicity analyzed by serial vibration perception thresholds (VPT) showed a diminished incidence of subclinical neurotoxicity in the amifostine arm (P = 0.03). No protective effect on renal and ototoxicity could be shown. Hypotension was the main side effect of amifostine but only of relevance in one patient. The antitumor activity of cisplatin was preserved as 63% of the evaluable patients in the amifostine arm responded compared to 50% of the evaluable patients in the cisplatin alone arm. Conclusion: Our study indicated that in combination with weekly administered cisplatin amifostine reduced the risk of thrombocytopenia, hypomagnesemia as well as subclinical neurotoxicity, but did not result in a higher dose intensity of cisplatin. Addition of amifostine did not compromise the antitumor effect of cisplatin.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1569-8041
    Keywords: chemotherapy ; cisplatin ; docetaxel ; head and neck cancer ; phase II
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Docetaxel and cisplatin are among the most active antitumor agents in head and neck cancer, and phase I studies found the combination of the two drugs to be feasible. The EORTC ECSG performed a multicenter phase II study in patients with locally advanced, recurrent or metastatic squamous cell carcinoma of the head and neck to evaluate the antitumor efficacy and toxicity of this combination. Patients and methods: Eligibility criteria included written informed consent, a WHO performance status 〈2, life expectancy of 〉12 weeks, and adequate bone marrow, liver and renal function. Neoadjuvant pretreatment with cisplatin-based chemotherapy or prior radiotherapy were allowed. Patients were ineligible if pretreated with taxoids, had CNS involvement, concurrent malignancy, peripheral neuropathy, or no measurable disease. Treatment consisted of docetaxel 100 mg/m2 (one-hour i.v. infusion), followed by cisplatin 75 mg/m2 (three-hour i.v. infusion), repeated every three weeks. Supportive care included hydration, 5HT3- antagonists, and corticosteroids. Results: Forty-four patients (median age 55 years, range 35–76) entered the trial; 41 patients were eligible, 164 cycles of treatment were evaluable for toxicity, and 31 patients for response. Fourteen patients had undergone prior surgery, 15 had received radiotherapy, and five had had chemotherapy. A median number of four treatment cycles (range 1–6) was given. Hematologic and non-hematologic toxicities were common, but hypersensitivity reactions and fluid retention were very infrequent due to corticosteroid prophylaxis. Four patients were taken off the study due to toxicity, and one toxic death occurred due to pneumonia. Among 41 eligible patients, objective responses as confirmed by independent review included six complete remissions and 16 partial remissions, resulting in an overall response rate of 53.7% (95% confidence interval: 37.4%–69.3%). Responses occurred in locally advanced, recurrent and metastatic disease, both in pre- and non-pretreated patients. Of 22 evaluable, non-pretreated patients with locally advanced or metastatic disease, five achieved complete responses, and 14 partial responses. Observed among nine evaluable pretreated patients with locally advanced or metastatic head and neck cancer were one complete response and two partial responses. Conclusion: The combination of docetaxel and cisplatin is feasible and active in locally advanced, recurrent, and metastatic squamous cell carcinoma of the head and neck.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1569-8041
    Keywords: cisplatin ; Cremophor EL ; drug accumulation ; haematopoietic cells ; leukocytes ; paclitaxel
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Several clinical studies have shown that poly-chemotherapy with the taxanes paclitaxel or docetaxel preceded or followed by cisplatin is associated with important schedule-dependent differences in toxicities, such as leukocytopenia. In general, the pharmacokinetics of both drugs during the combined treatment are unaltered, suggesting that a pharmacodynamic interaction might have occurred. Materials and methods: In order to gain insight into this pharmacologic interaction, we performed in vitro drug accumulation studies using peripheral blood leukocytes and a panel of tumor and non-malignant cell lines with paclitaxel and docetaxel, as wel as with their respective formulation vehicles Cremophor EL and Tween 80. Results: Our results show a significant reduction in the intracellular cisplatin concentration in leukocytes of up to 42% in the presence of Cremophor EL and Tween 80 as compared to the control. This pharmacodynamic interaction of these surfactants with cisplatin seems to be specific for haematopoietic cells, and does not occur in solid tumor cells. Conclusion: The present data suggest that the pharmaceutical vehicles Cremophor EL and Tween 80 might contribute to the reduced cisplatin-associated myelotoxicity observed in the clinical combination chemotherapy studies with paclitaxel and docetaxel.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1569-8041
    Keywords: docetaxel ; Lhermitte's sign ; neuropathy ; taxotere
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Docetaxel, a semi-synthetic taxane may cause a usuallymild sensory neuropathy. We describe the clinical characteristics of fivepatients who developed a more severe neuropathy following treatment withdocetaxel. Patients and methods: All patients were treated in phase II studieswith 100 mg/m2 docetaxel in three weekly cycles, withoutsteroid administration. Results: The clinical picture in these patients was dominated by asensory neuropathy, but in one case severe weakness was present. Anotherpatient developed Lhermitte's sign. Signs and symptoms are usually reversibleafter discontinuation of docetaxel administration, but in three patientssymptoms worsened for some time after the end of treatment before improvementoccurred. Conclusion: Severe docetaxel neuropathy may especially occurfollowing treatment with cumulative dosage over 600 mg/m2; inpatients treated with this dosage a moderate or severe neuropathy may not berare.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Annals of oncology 11 (2000), S. 131-132 
    ISSN: 1569-8041
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1432-0843
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Between April 1986 and May 1989 a multicéntre study was conducted to evaluate the efficacy of a 4-h intravenous infusion of 1000 mg/m2 5-fluorouracil (5-FU) followed by a 1-h infusion of 25 mg/m2 cisplatin (CDDP) given for 4 consecutive days every 4 weeks to patients with advanced squamous-cell carcinoma of the head and neck. A total of 189 consecutive patients entered the study, including 106 who had previously undergone chemotherapy and 83 who were chemotherapy-naive. Of the 165 evaluable patients, 96 (58%) responded to treatment, including 22 (13%) who achieved a complete remission (CR). In the group of previously untreated patients an objective response (CR+PR) was seen in 78% (CR, 14%) whereas in pretreated patients the response rate (CR+PR) was 40% (CR. 13%). The median survival period was 10 months. No significant difference in the duration of survival or of remission was found between the two groups in relation to previous therapy, tumour localisation, disease stage or performance status. Almost half of the patients (49%) experimenced leucopenia but it was severe in only 11% of cases. Anemia (mainly WHO grades 1–2) occurred in 38% of the patients. Nausea and vomiting were common (84%). Nephrotoxicity (23%) was mild and of short duration. Moderate hair loss was seen in 42% of the patients, and phlebitis occurred in 8%. A few cases of cardiotoxicity and neurotoxicity were observed. This regimen is well tolerated and can be given even on an outpatient basis. The resultant response rate and side effects appear to be similar to those previously reported for combination chemotherapy with CDDP and continuous 5-FU infusion.
    Type of Medium: Electronic Resource
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