Comparative Study
Destruction of regional lymph node metastases of rat mammary adenocarcinoma 13762A by treatment with Corynebacterium parvum
- PMID: 719637
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Comparative Study
Destruction of regional lymph node metastases of rat mammary adenocarcinoma 13762A by treatment with Corynebacterium parvum
Cancer Res.
1978 Dec.
Abstract
Intratumoral administration of Corynebacterium parvum to 13762A tumor-bearing rats on Day 7 of tumor growth, followed by primary tumor excision on Day 20, regularly cured about 40% of the animals and significantly prolonged survival in the remainder. Rats treated by surgery alone on either Day 7 or Day 20 died with metastases to axillary lymph nodes and lungs. Tumor was established in axillary lymph nodes by Day 7. Therefore, intratumoral injection of C. parvum on Day 7 destroyed metastases already established at this site. Growth of tumor in axillary nodes of rats treated but not cured by C. parvum was significantly slower than growth in untreated rats.
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