Colostrinin proline-rich polypeptide complex from ovine colostrum--a long-term study of its efficacy in Alzheimer's disease.

Background: Colostrinin, a proline-rich polypeptide complex (PRP) isolated from ovine colostrum, with immunoregulatory and procognitive properties, has shown positive effects in the treatment of Alzheimer's disease (AD). The aim of the present study was to evaluate the effects of long-term Colostrinin treatment of AD patients.

Material/methods: The patients were taking Colostrinin tablets (containing 100 mg of PRP complex) every other day for three weeks, followed by a 2-week hiatus to avoid the development of hyporeactivity.