Perfosfamide
Perfosfamide, or 4-hydroperoxycyclophosphamide (trade name Pergamid) was an experimental drug candidate for blood cancers that was rejected by the FDA in 1993 and never reached the market. Intended use. Perfosfamide was used experimentally by oncologists in the 1980s for use in bone marrow transplant procedures for treatment of blood cancers. It was added to the tissue after it had been taken from the donor but before the tissue was administered to the patient to "purge" lymphocytes in order to prevent Graft Versus Host Disease, which results from donor lymphocytes attacking normal host cells and tissues, and to "purge