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Biomedical subjects

Bernhard C Pestalozzi

Publications and source records attributed to Bernhard C Pestalozzi.

8 recordsLinked to original sources
PubMed2003

Peritoneal carcinoma in a male patient.

Peritoneal carcinoma is a rare primary tumor, described in the literature almost exclusively in women. This report describes our clinicopathological findings in a 51-year-old male patient with peritoneal carcinoma and ascites. Pathologic studies included routine histology, immunohistochemistry and electron microscopy on biopsy and autopsy tumor tissue. After chemotherapy, the patient achieved a complete remission twice, lasting for 14 months and 8 months, respectively, and died after 3 years. His clinical course was similar to that of female patients with peritoneal carcinoma or advanced ovarian cancer. Our case confirms the existence of primary peritoneal carcinoma in males. In addition, it shows that this entity responds to the same chemotherapy as used for ovarian cancer and primary peritoneal carcinoma in females.

Ascites↗
PubMed2002

Phase II study of capecitabine and oxaliplatin in first- and second-line treatment of advanced or metastatic colorectal cancer.

PURPOSE: To determine the efficacy and tolerability of combining oxaliplatin with capecitabine in the treatment of advanced nonpretreated and pretreated colorectal cancer. PATIENTS AND METHODS: Forty-three nonpretreated patients and 26 patients who had experienced one fluoropyrimidine-containing regimen for advanced colorectal cancer were treated with oxaliplatin 130 mg/m(2) on day 1 and capecitabine 1,250 mg/m(2) bid on days 1 to 14 every 3 weeks. Patients with good performance status (World Health Organization grade 0 to 1) were accrued onto two nonrandomized parallel arms of a phase II study. RESULTS: The objective response rate was 49% (95% confidence interval [CI], 33% to 65%) for nonpretreated and 15% (95% CI, 4% to 35%) for pretreated patients. The main toxicity of this combination was diarrhea, which occurred at grade 3 or 4 in 35% of the nonpretreated and 50% of the pretreated patients. Grade 3 or 4 sensory neuropathy, including laryngopharyngeal dysesthesia, occurred in 16% of patients on both cohorts. Capecitabine dose reductions were necessary in 26% of the nonpretreated and 45% of the pretreated patients in the second treatment cycle. The median overall survival was 17.1 months and 11.5 months, respectively. CONCLUSION: Combining capecitabine and oxaliplatin yields promising activity in advanced colorectal cancer. The main toxicity is diarrhea, which is manageable with appropriate dose reductions. On the basis of our toxicity experience, we recommend use of capecitabine in combination with oxaliplatin 130 mg/m(2) at an initial dose of 1,250 mg/m(2) bid in nonpretreated patients and at a dose of 1,000 mg/m(2) bid in pretreated patients.

Adenocarcinoma↗
PubMed2002

Gemcitabine-related pulmonary toxicity.

BACKGROUND: Gemcitabine is an increasingly used and generally well tolerated anticancer drug. Rarely, it leads to potentially fatal pulmonary toxicity. CASE DESCRIPTIONS AND RESULTS: We describe the clinical features of 5 patients with gemcitabine-related pulmonary toxicity. Due to early diagnosis, prompt discontinuation of the drug, and treatment with steroids, toxicity was reversible in all cases. CONCLUSION: Early recognition of gemcitabine-related pulmonary toxicity is mandatory.

Aged↗
PubMed2002

Gemcitabine-associated hemolytic-uremic syndrome.

BACKGROUND: Gemcitabine has mild renal toxicity, but cases of gemcitabine-associated hemolytic-uremic syndrome (HUS) have been reported. METHODS: A case is presented of a 45-year-old woman on prolonged gemcitabine treatment for ovarian cancer who developed HUS and recovered after drug discontinuation. A mini-review of the literature based on a MEDLINE search follows. RESULTS: Including our own patient, a total of 26 cases of gemcitabine-associated HUS were identified. Median patient age was 52 years. Treatment was for various tumors at advanced stages, and in some patients, other anticancer drugs previously had been administered. Mean time between initiation of gemcitabine therapy and onset of HUS was 7.4 +/- 3.5 months, or 21.9 +/- 10.9 doses of gemcitabine. The calculated median cumulative dose of gemcitabine was 20,000 mg/m(2) (range, 2,450 to 48,000 mg/m(2), or a total of 70,000 mg). The onset of disease was noted up to 2 months after the last gemcitabine infusion. Diagnosis of HUS was confirmed histologically in 13 patients and based on clinical findings in the other 15. Treatment included drug discontinuation, steroids, fresh frozen plasma, hemodialysis, absorption chromatography, plasmapheresis, and various combinations thereof. Of 23 patients with reported outcome, 11 died within a few weeks. In two cases, death was believed to be a direct consequence of HUS. Reexposure to the drug was reported in three patients but was uncomplicated in only one. CONCLUSION: There are only a few confirmed cases of gemcitabine-associated HUS despite the widespread use of the drug. This potentially fatal complication is difficult to treat and should be widely known.

Antimetabolites, Antineoplastic↗