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Showing content from https://pubmed.ncbi.nlm.nih.gov/7847642/ below:

Fluorouracil plus levamisole as effective adjuvant therapy after resection of stage III colon carcinoma: a final report

Clinical Trial

. 1995 Mar 1;122(5):321-6. doi: 10.7326/0003-4819-122-5-199503010-00001. Fluorouracil plus levamisole as effective adjuvant therapy after resection of stage III colon carcinoma: a final report T R Fleming, J S Macdonald, D G Haller, J A Laurie, C M Tangen, J S Ungerleider, W A Emerson, D C Tormey, J H Glick, M H Veeder, J A Mailliard

Affiliations

Affiliation

¹ Mayo Clinic, Rochester, Minnesota.

PMID: 7847642
DOI: 10.7326/0003-4819-122-5-199503010-00001

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Clinical Trial

Fluorouracil plus levamisole as effective adjuvant therapy after resection of stage III colon carcinoma: a final report

C G Moertel et al. Ann Intern Med. 1995.

. 1995 Mar 1;122(5):321-6. doi: 10.7326/0003-4819-122-5-199503010-00001. Authors C G Moertel¹, T R Fleming, J S Macdonald, D G Haller, J A Laurie, C M Tangen, J S Ungerleider, W A Emerson, D C Tormey, J H Glick, M H Veeder, J A Mailliard Affiliation

¹ Mayo Clinic, Rochester, Minnesota.

PMID: 7847642
DOI: 10.7326/0003-4819-122-5-199503010-00001

Item in Clipboard

Abstract

Objective: To determine the effectiveness of two adjuvant therapy regimens in improving surgical cure rates in stage III (Dukes stage C) colon cancer.

Design: Randomized, concurrently controlled clinical trial.

Setting: Major cancer centers, universities, and community clinics affiliated with the North Cancer Treatment Group, the Southwest Oncology Group, and the Eastern Cooperative Oncology Group.

Patients: Those who had had curative-intent resections of stage III colon cancer in the previous 1 to 5 weeks.

Intervention: Patients were assigned to observation only, to levamisole alone (50 mg orally three times/d for 3 days, repeated every 2 weeks for 1 year), or to this regimen of levamisole plus fluorouracil (450 mg/m2 body surface area intravenously daily for 5 days and then, beginning at 28 days, weekly for 48 weeks).

Measurements: Rates of cancer recurrence and death. Early- and late-treatment side effects.

Results: With all 929 eligible patients able to be followed for 5 years or more (median follow-up, 6.5 years), fluorouracil plus levamisole reduced the recurrence rate by 40% (P < 0.0001) and the death rate by 33% (P = 0.0007). Levamisole reduced the recurrence rate by only 2% and the death rate by only 6%. With few exceptions, toxicity was mild and patient compliance was excellent. No evidence of late side effects was seen.

Conclusion: Fluorouracil plus levamisole is tolerable adjuvant therapy to surgery; it has been confirmed to substantially increase cure rates for patients with high-risk (stage III) colon cancer. It should be considered standard treatment for all such patients not entered into clinical trials.

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