Obesity, insulin-like growth factors and colorectal cancer.
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Colorectal Neoplasms↗
Biomedical subjects
G Marzocca
Publications and source records attributed to G Marzocca.
Is a long-term ranitidine-based triple therapy against Helicobacter pylori only a heritage of the past? A prospective, randomized clinicopharmacological study.
BACKGROUND: Acid suppression plus two antibiotics is currently considered the gold standard anti-Helicobacter pylori treatment, but the effective role of gastric antisecretory drugs is still poorly understood. AIMS: To compare a 14-day ranitidine-based triple regimen against Helicobacter pylori with one based on omeprazole, and to study the influence of antisecretory drugs on metronidazole pharmacokinetics in human plasma. METHODS: A total of 150 dyspeptic H. pylori-infected patients were randomized for ranitidine 300 mg b.d. (RCM group) or omeprazole 20 mg b.d. (OCM group) 14-day triple therapy, with clarithromycin 500 mg b.d. and metronidazole 500 mg b.d. On the eighth day of therapy, metronidazole pharmacokinetics was studied in plasma by high-performance liquid chromatography. The pharmacokinetic parameters (terminal half-life, area under the curve, peak-plasma level, peak time) of metronidazole were computed using standard non-compartmental methods. H. pylori status was monitored before and 4 weeks after the end of therapy by histology, serology and rapid urease test. RESULTS: On an intention-to-treat basis, eradication rates were 91 and 76% for the RCM and OCM groups respectively (P < 0.02). Significantly different pharmacokinetic parameters of metronidazole were found between the groups: peak-plasma level (P < 0.01) and area under the curve (P < 0.02). CONCLUSION: Our results show that the RCM regimen was more effective than that based on OCM and that the antisecretory drugs affected metronidazole availability, increasing the efficacy of ranitidine-based regimens.
Adolescent↗
Acute abdomen due to small bowel anisakiasis.
The popularity in Western countries of dishes based on raw fish has led to an increased incidence of anisakiasis, a human parasitic disease caused by the ingestion of live anisakid larvae. The entire digestive tract may be involved, but the stomach and the small intestine are the most frequently affected sites. We report a case of acute abdomen due to Anisakis simplex infection that caused small bowel obstruction.
Abdomen, Acute↗
UFT/leucovorin and oxaliplatin alternated with UFT/leucovorin and irinotecan in metastatic colorectal cancer.
A total of 41 metastatic colorectal cancer (CRC) patients received tegafur/uracil (UFT)+leucovorin (LV)+oxaliplatin alternated with UFT/LV+irinotecan. The overall response rate was 58.5% (95% confidence interval, 42.2-73.3%), and the median progression-free survival was 8.8 months. There were no grade 4 toxicities; 12 patients (29%) experienced grade 3 diarrhoea. There were no cases of hand-foot syndrome. This alternating regimen seems to be effective and well tolerated in the first-line treatment of patients with metastatic CRC.
Administration, Oral↗
Treatment of advanced colorectal cancer with high-dose intensity folinic acid and 5-fluorouracil plus supportive care.
This randomised clinical trial, involving patients with advanced colorectal cancer, was carried out to compare the effectiveness of accelerated folinic acid (FA) plus 5-fluorouracil (5-FU) with that of the conventional regimen of 5-FU alone. Both regimens were administered with simulataneous supportive care. 185 patients were eligible: 94 were randomly allocated to receive FA 200 mg/m2 i.v. plus 5-FU 400 mg/m2 i.v. on days 1-5 every 3 weeks; and 91 to receive 5-FU 400 mg/m2 i.v. on days 1-5 every 4 weeks. The response rate was 33.3% in the accelerated FA/5-FU and 18.6% in the 5-FU arm (P = 0.045). Median survival was 13.5 months in the FA/5-FU arm and 7.5 months in the 5-FU arm (P = 0.039). Toxicity was mild and slightly more pronounced in the FA/5-FU arm (P = 0.078). This study indicates that, in patients with advanced colorectal cancer, accelerated chemotherapy with FA and 5-FU and simultaneous supportive care is capable of achieving a higher response rate and longer survival than conventional 5-FU alone, without severe toxicity.
Adult↗
Folinic acid and 5-fluorouracil as adjuvant chemotherapy in colon cancer.
BACKGROUND/AIMS: Colon cancer is one of the major health problems in industrialized countries, and its incidence appears to be increasing. Surgical resectability is the most important prognostic determinant, although despite apparently curative surgery, recurrent tumors are common. Metastatic disease cannot be cured, and thus, there is a need for better adjuvant therapies. METHODS: Two hundred and thirty-nine patients with surgically resected colon cancer in Dukes' stage B2 or C were randomly assigned to chemotherapy or observation alone to determine whether adjuvant chemotherapy could effectively reduce the rate of cancer recurrence. One hundred and twenty-one patients in stage B2 and 118 patients in stage C were enrolled in the study. Adjuvant treatment consisted of folinic acid 200 mg/m2, intravenously, plus 5-fluorouracil 400 mg/m2, intravenously, on days 1-5 every 4 weeks for 12 cycles. RESULTS: In stage B2, no significant difference between the adjuvant arm and the observation arm was noted. In stage C, adjuvant chemotherapy produced an advantage over observation in terms of a reduction in cancer recurrence rate with prolongation of a disease-free interval (P = 0.0016) and an improvement in overall survival (P = 0.0025). CONCLUSIONS: This study shows that folinic acid plus 5-fluorouracil adjuvant chemotherapy is effective in patients with surgically resected Dukes' stage C colon carcinoma.
Chemotherapy, Adjuvant↗
[Spontaneous bilio-digestive fistula of lithiasic origin].
Personal experience about 11 cases of spontaneous biliary enteric fistula caused by lithiasic disease operated in the General Surgical Clinic of the University of Siena from 1969 to 1988, is reported. The epidemiology, pathogenesis, symptomatology, indications for operation and various operating techniques performed are discussed. In the gallstone intestinal obstruction, the authors prefer to resolve immediately the obstruction, deferring to a later moment the specific operation for the treatment of the biliary enteric fistula and the lithiasic disease.
Aged↗
[Calculi of the gallbladder in patients with liver cirrhosis].
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Adult↗
Neonatal necrotizing enterocolitis: a focus on.
Necrotizing enterocolitis (NEC) is a multifactorial worldwide problem, representing the most frequent gastrointestinal emergency in neonates. Extremely common in preterm infants, it is also registered in fullterm low birth weight neonates. Despite extensive research, its etiopathogenesis is not completely understood and this neonatal disease remains associated with high morbidity and mortality rates. This review proposes an interdisciplinary focus on recent developments in NEC etiopathogenesis, diagnosis and management.
Enteral Nutrition↗
[Ketoprofen in the prevention of postoperative pain in abdominal surgery. A multicenter study].
Two-hundred-forty-eight patients undergoing abdominal surgery were admitted to a multicentric clinical trial. The patients were randomly assigned to a single i.v. dose of ketoprofen or acetylsalicylic acid, 15 minutes after the end of operation. Ketoprofen showed a better analgesic activity with a statistically significant difference at 2 and 4 hours after administration. Two patients treated with ketoprofen reported vomiting and skin rash respectively. The results of this study confirm the efficacy of ketoprofen for the prophylaxis of postoperative pain in abdominal surgery.
Abdomen↗