The present disclosure relates to novel synthetic substituted heterocyclic compounds and pharmaceutical compositions containing the same, said compounds being capable of inhibiting or antagonizing TrkA receptor tyrosine kinases. In some aspects, the disclosure provides a compound having a structural formula (I):The disclosure further concerns the use of such compounds in the treatment and/or prevention of certain types of cancers, pain, inflammation, restenosis, atherosclerosis, psoriasis, thrombosis, Alzheimer's, a disease, disorder, injury, or malfunction relating to dysmyelination or demyelination.