In various embodiments method are provided for inhibiting (partially or fully) the C-terminal cleavage of APP resulting in the formation of APP-C31 peptide and APPneo (APP664) in a mammal. The methods typically involve administering or causing to be administered to the mammal a TrkA kinase inhibitor in an amount sufficient to reduce C-terminal cleavage of APP and production of a C31 peptide and/or APPneo. In certain embodiments the inhibitor comprises ADDN-1351 or a derivative thereof.
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