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Biomedical subjects

G Chabot

Publications and source records attributed to G Chabot.

30 records · Page 2Linked to original sources
PubMedDate not supplied

CPT-11 (irinotecan) in the treatment of colorectal cancer.

Colorectal cancer is one of the most common cancers in the Western World. Although 50% of patients are cured by surgery alone, the outcome is poor in high-risk patients (Dukes stages B2 and C) despite adjuvant chemotherapy with 5-fluorouracil (5-FU)-based regimens. CPT-11 (irinotecan) is a promising new agent for the treatment of colorectal cancer with a unique mechanism of action. CPT-11 is a DNA topoisomerase I inhibitor, which has not demonstrated susceptibility to the P-glycoprotein-mediated multidrug-resistant phenotype. Phase II studies with CPT-11 have demonstrated definite activity against colorectal cancer in both chemotherapy-naive and pretreated patients (response rates of 15-32% observed) even with clinical evidence of resistance to 5-FU. The response rate appears to be consistent, reproducible and equivalent to that achieved with 5-FU plus folinic acid in chemotherapy-naive patients.

Antineoplastic Agents, Phytogenic↗
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Humans↗
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Cariogenic feeding habits and fluoride supplementation during infancy and early childhood.

Parents of 240 children between nine months and three years of age were interviewed using a questionnaire in order to determine cariogenic feeding habits and fluoride supplementation. Mean age of weaning from the bottle was 14.6 months. After 18 months of age, children from minority ethnic groups were more frequently bottle-fed than French-Canadian children (p < .005). Giving a bottle in bed (34.6% of cases) was more often practised by less educated mothers (p = .007) or by minority ethnic groups (p = .002), and was seen as a cariogenic factor by 31% of parents. Fluoride was given in half of cases, mainly by highly educated mothers (p = .001) and was mentioned as a preventive measure by 27% of parents. Physicians should be aware of poor parental knowledge and practices of preventive dentistry, and must discuss cariogenic feeding habits and fluoride supplementation during well-baby visits.

Age Factors↗