Table 2.
ID | Age | Sex | Breed | Diagnosis at enrollment | No. doses | Toxicity | Response at 28 days |
---|---|---|---|---|---|---|---|
1 | 7 | FS | Belgian Malinois | Presumed metastasis from appendicular OSA | 2 | Grade 1 normocytic, hypochromic, non-regenerative anemia 7 days after 2nd dose. | N/A |
2 | 5 | MC | Mixed breed | Presumed metastasis from chest wall sarcoma | 1 | None reported (decreasing HCT) | N/A |
3 | 5 | MC | Golden retriever | Cytology consistent with metastasis from perianal high grade PNST | 4 | None reported (decreased HCT) | Stable (1 lesion) |
4 | 13 | FS | Border Collie | Primary pulmonary carcinoma | 4 | Grade 2 AST elevation | Stable (2 lesions) |
5 | 10 | FS | Wirehaired fox terrier | Cytology consistent with primary pulmonary carcinoma | 0 | N/A | N/A |
6 | 12 | MC | Labrador | Presumed metastasis from a historical primary thyroid carcinomaa | 4 | None, static mild non-regenerative anemia | Stable (2 lesions) |
7 | 12 | MC | English Cocker | Presumed metastasis from oral malignant melanoma | 4 | Grade 1 regenerative anemia after last dose | Progressive (2 lesions) |
8 | 9 | FS | Mixed breed | Presumed metastasis from eccrine carcinoma on digit | 1 | Died at home the day after infusion following an acute progression of respiratory signs. | N/A |
9 | 10 | FS | Ridgeback | Cytology consistent with primary pulmonary carcinoma | 4 | Grade 2 vomiting | Stable (1 lesion) |
10 | 8 | F | American Cocker Spaniel | Presumed metastasis from multiple mammary tumors | 4 | Intermittent grade 1 regenerative anemia during treatment. Grade 2 allergic reaction during 4th infusion. |
Lung nodule not detected at recheck.b |
11 | 11 | FS | Golden Retriever | Presumed metastasis from mammary carcinoma | 1 | Became progressively weaker after infusion. Euthanized 2 days post treatment. | N/A |
FS- Female spayed; MC- Male castrated; F- Female
Identified as a bronchiolar adenoma upon histologic interpretation at necropsy.
The pulmonary lesion detected at baseline may have been superimposition of normal structures upon review. No change in the size of the primary mammary tumors was observed throughout the study period.