Abstract
The incidence of carcinoma of the stomach is low in the United States, Canada, and Australia but is a significant health problem in Asia, South America, Eastern Europe, and countries of the previous Soviet Union. For patients with advanced disease, chemotherapy remains palliative. With the increasing emphasis on patients’ quality of life, convenience, and cost containment, oral chemotherapy has come into increasing focus. We review oral chemotherapy agents for use in patients with advanced gastric carcinoma.
Etoposide, given intravenously, has modest activity in gastric carcinoma. We studied oral etoposide, which was administered to 28 patients at the starting dose of 50 mg/m2/day for 21 days followed by a 7-day rest period. Five patients achieved a partial response and 4 patients achieved a minor response. The drug was well tolerated. Common toxicities included myelosuppression, alopecia, and nausea. Oral etoposide thus shows evidence of modest activity against gastric carcinoma.
In Japan, considerable advances have been made in the oral chemotherapy of gastric carcinoma. The second generation fluorouracil prodrug tegafur/uracil (UFT®) has been extensively evaluated in Japan, Korea, and Spain. Data predominantly from Japan indicate that tegafur/uracil has a response rate of approximately 20% in treatment naive patients with advanced gastric carcinoma. When combined with other active agents, tegafur/uracil has a response rate of more than 30% in these patients. The available data also suggest that tegafur/uracil is well tolerated and that patient acceptance is high. In conclusion, future clinical research is likely to focus on the development of convenient outpatient regimens with efficacy equal to that of intravenous regimens.
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Ajani, J.A., Takiuchi, H. Recent Developments in Oral Chemotherapy Options for Gastric Carcinoma. Drugs 58 (Suppl 3), 85–90 (1999). https://doi.org/10.2165/00003495-199958003-00012
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DOI: https://doi.org/10.2165/00003495-199958003-00012