Publications by authors named "Preusser P"

Background: : The multinational MABEL study of 1147 patients with metastatic colorectal cancer (mCRC) who had recently failed an irinotecan-containing regimen confirmed in a community practice setting the efficacy and safety of cetuximab combined with irinotecan.

Methods: : This report describes a post hoc analysis of the influence of prophylactic premedication on the incidence of infusion-related reactions (IRRs) in the MABEL study. The analysis was focused on the subpopulation of patients premedicated with antihistamines either with (n = 700) or without (n = 422) corticosteroids.

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Purpose: This large, multinational study aimed to confirm in a community practice setting the efficacy and safety of cetuximab plus irinotecan in patients with epidermal growth factor-expressing metastatic colorectal cancer (mCRC) who had recently failed an irinotecan-containing regimen.

Patients And Methods: The primary objective was to determine the progression-free survival (PFS) rate at 12 weeks. The initial cetuximab dose was 400 mg/m(2) and was followed weekly by 250 mg/m(2); irinotecan (according to prestudy regimen) was given weekly (125 mg/m(2) weekly for 4 of 6 weeks), every 2 weeks (180 mg/m(2) each), or every 3 weeks (350 mg/m(2) each).

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Options for first-line chemotherapy in patients with metastatic colorectal carcinoma have broadened considerably with the introduction of irinotecan and oxaliplatin. Furthermore, the oral fluoropyrimidine capecitabine has demonstrated efficacy in Phase III trials and recently was approved for first-line treatment in Europe and the United States. Capecitabine yielded similar median times to disease progression and median survival rates compared with bolus 5-fluorouracil (5-FU)/leucovorin (LV) (Mayo Clinic/North Central Cancer Treatment Group regimen), with superior and similar response rates, respectively.

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The follow-up documentation of oncological patients in Germany is inadequate in many cases: it is usually limited to a minimal dataset mandated by the epidemiological tumor registers; it is carried out in a paper-based fashion and rarely in a multi-disciplinary context. Parallel documentation efforts can result in redundant or erroneous data and excess work. The introduction of hospital information systems (HIS) allows the implementation of digital oncological documentation systems integrated in surrounding clinical workflows that can provide access to existing data sources as well as data entry and presentation across departmental boundaries.

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To assess the response rate and the tolerance of irinotecan as first-line therapy, 40 patients with metastatic gastric cancer received irinotecan 350 mg m(-2) every 3 weeks administered as a 30 min infusion. Among the 35 patients evaluable for response, two complete and five partial responses were recorded (response rate: 20.0% (95% CI:8.

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Local irresectable carcinoma of the pancreas was diagnosed by explorative laparotomy of a 62-years old patient. At this stage (T3 N1 M0), a curative surgical therapy was not possible. The prognosis in these cases is bad.

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Purpose: To evaluate the effect of biochemical modulation by PALA and methotrexate on the therapeutic activity of 5-fluorouracil (5-FU) in patients with advanced pancreatic adenocarcinoma.

Patients And Methods: The treatment protocol consisted of phosphonacetyl-L-aspartate (PALA) 250 mg/m2 i.v.

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Purpose: In spite of improved surgical techniques and the use of multiple modality treatment schemes the local recurrence rate of colorectal carcinomas could not be successfully reduced up to now. Besides surgical treatment of local recurrences in some cases radiation therapy may be indicated.

Patients And Method: In the Department of Radiotherapy of the University of Münster 37 patients with recurrent rectal carcinoma were treated between the end of 1985 and September 1992 either with fast neutrons alone or with a combined photon-neutron therapy.

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Between July 1990 and September 1993, 32 patients with locally advanced irresectable adenocarcinoma of the pancreas, histologically proven by laparotomy, were involved in our study. Patients were treated with hyperfractionated, accelerated radiotherapy and simultaneous application of 5-fluorouracil and folinic acid. Chemotherapy was given on days 1,2 and 3.

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Based on preclinical data and the promising results being achieved with infusional 5-FU in colorectal and breast cancer, we investigated a weekly schedule of a 24-hour infusion of 5-FU plus folinic acid (HD-FU/FA) in patients failing to first-line chemotherapy and HD-FU/FA plus cisplatin (C) or plus cisplatin/epidoxorubicin (C/E) in chemo-naive patients with advanced gastric cancer. In all three trials the results achieved with the tested chemotherapy regimens indicated high activity and good tolerability. All three protocols were administered as outpatient treatment.

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We undertook a multicenter phase II trial of 5-fluorouracil (5FU) + 1-leucovorin (1-LV) in previously untreated patients with metastatic colorectal cancer to determine the response rate, response duration, time to progression, survival, and toxicity. Patients were treated with i.v.

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38 patients with advanced oesophageal carcinoma were treated with intravenous (i.v.) folinic acid (300 mg/m2), 5-fluorouracil (500 mg/m2), etoposide (100 mg/m2), and cisplatin (30 mg/m2) (FLEP), on days 1, 2 and 3, every 22-28 days.

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5-Fluorouracil (5-FU) is one of the important antineoplastic agents for the treatment of gastrointestinal cancers. The biochemical modulation of 5-FU by various drugs has brought about the two combinations of 5-FU/folinic acid (FA) and 5-FU/alpha-interferon (IFN), which have shown clinical activity in phase II and III trials, especially in colorectal cancer. The experience with both combinations in upper gastrointestinal cancers, however, is limited.

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A total of 26 evaluable patients presenting with advanced or metastatic squamous-cell carcinoma of the esophagus were entered in a phase II trial to assess the single-agent activity of etoposide. Etoposide was given at a dose of 200 mg/m2 on 3 consecutive days every 3 weeks. Five patients (19%) achieved a partial response and seven (27%) experienced stabilisation of their disease.

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In a pilot-study 25 patients presenting with a paralytic ileus due to diffuse intraabdominal metastases were treated with motilin. There were 16 male (64%) and nine female (36%) patients. Gastric cancer was the most frequent cause (40%), followed by pancreatic (36%), and colorectal (20%) cancer.

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This randomized, controlled trial assessed the activity, tolerance, and degree of weight gain and anorexia of two doses of megestrol acetate in patients with advanced cancer and cachexia. Patients received either 480 mg/d or 960 mg/d megestrol acetate or placebo for 8 weeks. As of June 1990, 55 patients had been randomized; 16 died during the 8-week study, and it was too early to evaluate another 5 patients.

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A group of 20 patients with gastric cancer, refractory to or with no change after two or three cycles of carboplatin were treated with etoposide/folinic acid/5-fluorouracil (ELF). An objective remission rate of 45% (9/20), a median remission duration of 8 months and a median survival time of 11 months were achieved. Toxicities were mild to moderate only.

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During the period from 1987-1990 152 patients underwent a Whipple procedure at the Department of General Surgery of Münster University Hospital. 27 operations were performed for chronic pancreatitis (17.8%), 52 for pancreatic (34.

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The recent successes being achieved with combination chemotherapy regimens strongly indicate that gastric cancer is chemosensitive. With these regimens, objective remission rates of more than 50% were recorded, including approximately 10% complete remission (CRs). The finding that locally advanced disease (LAD) and technically unresectable disease could be rendered resectable by preoperative chemotherapy (EAP) was important.

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Eighteen patients with advanced squamous cell carcinoma of the esophagus without prior chemotherapy were treated with carboplatin. Based on experimental data a split dose of carboplatin of 130 mg/m2 given on days 1, 3 and 5 was administered. In cases showing no WBC and platelet suppression, an escalated dose of 160 mg/m2 was proposed.

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Thirty-four consecutive patients with measurable advanced gastric cancer were treated in a disease oriented Phase II study with high-dose folinic acid (HDFA) 300 mg/m2 10 min. inf., followed immediately by etoposide 120 mg/m2 50 min.

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The recent successes being achieved with combination chemotherapy regimens, such as FAMTX (fluorouracil [5-FU], doxorubicin, methotrexate), EAP (etoposide, doxorubicin, cisplatin), and ELF (etoposide, leucovorin, 5-FU), strongly indicate that gastric cancer is chemosensitive. With these regimens, objective remission rates of more than 50% were recorded, including approximately 10% complete remissions (CRs). Moreover, some of these CRs were histopathologically confirmed.

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