Perhaps our European friends can share their experiences, but thus far nobody has mentioned it.

According to the New York Times the drug was first developed for dogs and did not receive approval by the FDA here in the states:

In Europe, a drug first tested in pet dogs with osteosarcoma now makes up part of cancer treatment for children with those cancers. But the drug, mifamurtide, failed to win approval from the Food and Drug Administration.

No medicine developed first in dogs has yet crossed over for human use, according to Lisa Troutman, a veterinarian in the F.D.A.’s Center for Veterinary Medicine. Until recently, she said, the only drugs available to treat cancer in companion pets came from cancer drugs approved first for human use and then used off-label in pets,