A solid polymer delivery composition for controlled release of a bioactive agent comprising: a) at least one carrier layer comprising at least one bioactive agent dispersed in a biodegradable, biocompatible polymer comprising at least one or a blend of the following: a polyesteramide having a chemical formula described by structural formula: wherein n ranges from 5 to 150, m ranges 0.1 to 0.9: p ranges from 0.9 to 0.1; - wherein R 1 is independently selected from residues of α,ω-bis (4-carboxyphenoxy) (C 1 -C 8) alkane, 3,3'-(alkanedioyldioxy) dicinnamic acid or 4,4'-(alkanedioyldioxy) dicinnamic acid, residues of α,ω-alkylene dicarboxylates of formula, (C 2 - C 20) alkylene, (C 2 -C 20) alkenylene, and combinations thereof; - wherein R 5 and R 6 in Formula are independently selected from (C 2 - C 12) alkylene or (C 2 -C 12) alkenylene; each R 2 is independently hydrogen, (C 1 -C 12) alkyl, (C 2 -C 8) alkyloxy (C 2 -C 20) alkyl, (C 6 -C 10) aryl or a protecting group; - the R 3 s in individual m monomers are independently selected from the group consisting of hydrogen, (C 1 -C 6) alkyl, (C 2 -C 6) alkenyl, (C 6 -C 10) aryl (C 1 -C 6) alkyl and -(CH 2) 2 S(CH 3); - and R 4 is independently selected from the group consisting of (C 2 -C 20) alkylene, (C 2 -C 20) alkenylene, (C 2 -C 8) alkyloxy (C 2 -C 20) alkylene, bicyclic-fragments of 1,4:3,6-dianhydrohexitols of structural formula, and combinations thereof, and R 7 is independently (C 1 -C 20) alkyl or (C 2 -C 20) alkenyl,further comprising b) at least one coating layer of a liquid solution of a biodegradable, biocompatible polymer in a first solvent or in a second solvent wherein the solid polymer delivery composition has a shape of a wafer, disc, cylinder, fiber, mat or pad. and wherein the polymer of the coating layer comprises a polyesteramide described by structural formula IV. a) at least one carrier layer comprising at least one bioactive agent dispersed in a biodegradable, biocompatible polymer comprising at least one or a blend of the following: a polyesteramide having a chemical formula described by structural formula: wherein n ranges from 5 to 150, m ranges 0.1 to 0.9: p ranges from 0.9 to 0.1; - wherein R 1 is independently selected from residues of α,ω-bis (4-carboxyphenoxy) (C 1 -C 8) alkane, 3,3'-(alkanedioyldioxy) dicinnamic acid or 4,4'-(alkanedioyldioxy) dicinnamic acid, residues of α,ω-alkylene dicarboxylates of formula, (C 2 - C 20) alkylene, (C 2 -C 20) alkenylene, and combinations thereof; - wherein R 5 and R 6 in Formula are independently selected from (C 2 - C 12) alkylene or (C 2 -C 12) alkenylene; each R 2 is independently hydrogen, (C 1 -C 12) alkyl, (C 2 -C 8) alkyloxy (C 2 -C 20) alkyl, (C 6 -C 10) aryl or a protecting group; - the R 3 s in individual m monomers are independently selected from the group consisting of hydrogen, (C 1 -C 6) alkyl, (C 2 -C 6) alkenyl, (C 6 -C 10) aryl (C 1 -C 6) alkyl and -(CH 2) 2 S(CH 3); - and R 4 is independently selected from the group consisting of (C 2 -C 20) alkylene, (C 2 -C 20) alkenylene, (C 2 -C 8) alkyloxy (C 2 -C 20) alkylene, bicyclic-fragments of 1,4:3,6-dianhydrohexitols of structural formula, and combinations thereof, and R 7 is independently (C 1 -C 20) alkyl or (C 2 -C 20) alkenyl,further comprising - wherein R 1 is independently selected from residues of α,ω-bis (4-carboxyphenoxy) (C 1 -C 8) alkane, 3,3'-(alkanedioyldioxy) dicinnamic acid or 4,4'-(alkanedioyldioxy) dicinnamic acid, residues of α,ω-alkylene dicarboxylates of formula, (C 2 - C 20) alkylene, (C 2 -C 20) alkenylene, and combinations thereof; - wherein R 5 and R 6 in Formula are independently selected from (C 2 - C 12) alkylene or (C 2 -C 12) alkenylene; each R 2 is independently hydrogen, (C 1 -C 12) alkyl, (C 2 -C 8) alkyloxy (C 2 -C 20) alkyl, (C 6 -C 10) aryl or a protecting group; - the R 3 s in individual m monomers are independently selected from the group consisting of hydrogen, (C 1 -C 6) alkyl, (C 2 -C 6) alkenyl, (C 6 -C 10) aryl (C 1 -C 6) alkyl and -(CH 2) 2 S(CH 3); - and R 4 is independently selected from the group consisting of (C 2 -C 20) alkylene, (C 2 -C 20) alkenylene, (C 2 -C 8) alkyloxy (C 2 -C 20) alkylene, bicyclic-fragments of 1,4:3,6-dianhydrohexitols of structural formula, and combinations thereof, and R 7 is independently (C 1 -C 20) alkyl or (C 2 -C 20) alkenyl,further comprising b) at least one coating layer of a liquid solution of a biodegradable, biocompatible polymer in a first solvent or in a second solvent wherein the solid polymer delivery composition has a shape of a wafer, disc, cylinder, fiber, mat or pad. and wherein the polymer of the coating layer comprises a polyesteramide described by structural formula IV.