Abstract: The present invention provides a biodegradable drug delivery composition comprising: (i) a mixture of at least three different block copolymers, wherein each block copolymer is: (a) a biodegradable triblock copolymer having the formula: Av-Bw-Ax wherein A is a polyester and B is polyethylene glycol and v and x are the number of repeat units from 1 to 3,000 and w is the number of repeat units from 3 to 300 and v=x or v?x; or (b) a biodegradable diblock copolymer having the formula: Cy-Az wherein A is a polyester and C is an end-capped polyethylene glycol and y and z are the number of repeat units with y=2 to 250 and z=1 to 3,000; and wherein the mixture comprises at least one (a) and at least one (b); and the weight ratio between (a) and (b) is 1:19 to 5:1; and (ii) at least one pharmaceutically active ingredient.

Abstract: Provided is a biodegradable drug delivery composition comprising: (i) a mixture of at least three different block copolymers, wherein each block copolymer is: (a) a biodegradable triblock copolymer having the formula: Av-Bw-Ax wherein A is a polyester and B is polyethylene glycol and v and x are from 1 to 3,000 and w is from 3 to 300 and v=x or v?x; or (b) a biodegradable diblock copolymer having the formula: Cy-Az wherein A is a polyester and C is an end-capped polyethylene glycol and y=2 to 250 and z=1 to 3,000; and wherein the mixture comprises at least one (a) and at least one (b); and the weight ratio between (a) and (b) is 1:19 to 5:1; and for at least one of the copolymers according to (a) or (b) A is poly(lactic-co-glycolic acid) (PLGA); and (ii) at least one pharmaceutically active ingredient.

Abstract: The present invention provides a biodegradable drug delivery composition comprising a mixture of at least two block copolymers taken among triblock and diblock copolymers comprising: (a) a biodegradable triblock copolymer having the formula: Av-Bw-Ax wherein A is a polyester and B is polyethylene glycol and v and x are from 1 to 3,000 and w is from 3 to 300 and v=x or v?x; (b) a biodegradable diblock copolymer having the formula: Cy-Az wherein A is a polyester and C is an end-capped polyethylene glycol and y and z are the number of repeat units with y=2 to 250 and z=1 to 3,000; wherein the weight ratio between (a) and (b) is 1:19 to 5:1; and for at least one of the copolymers according to (a) or (b) A is poly(?-caprolactone-co-lactide); and (c) at least one pharmaceutically active ingredient.

Abstract: Provided is a biodegradable drug delivery composition comprising: (i) a mixture of at least three different block copolymers, wherein each block copolymer is: (a) a biodegradable triblock copolymer having the formula: Av-Bw-Ax wherein A is a polyester and B is polyethylene glycol and v and x are from 1 to 3,000 and w is from 3 to 300 and v=x or v?x; or (b) a biodegradable diblock copolymer having the formula: Cy-Az wherein A is a polyester and C is an end-capped polyethylene glycol and y=2 to 250 and z=1 to 3,000; and wherein the mixture comprises at least one (a) and at least one (b); and the weight ratio between (a) and (b) is 1:19 to 5:1; and for at least one of the copolymers according to (a) or (b) A is poly(lactic-co-glycolic acid) (PLGA); and (ii) at least one pharmaceutically active ingredient.

Abstract: The present invention provides a biodegradable drug delivery composition comprising a mixture of at least two block copolymers taken among triblock and diblock copolymers comprising: (a) a biodegradable triblock copolymer having the formula: Av-Bw-Ax wherein A is a polyester and B is polyethylene glycol and v and x are from 1 to 3,000 and w is from 3 to 300 and v=x or v?x; (b) a biodegradable diblock copolymer having the formula: Cy-Az wherein A is a polyester and C is an end-capped polyethylene glycol and y and z are the number of repeat units with y=2 to 250 and z=1 to 3,000; wherein the weight ratio between (a) and (b) is 1:19 to 5:1; and for at least one of the copolymers according to (a) or (b) A is poly(?-caprolactone-co-lactide); and (c) at least one pharmaceutically active ingredient.

Abstract: The present invention provides a biodegradable drug delivery composition comprising: (i) a mixture of at least three different block copolymers, wherein each block copolymer is: (a) a biodegradable triblock copolymer having the formula: Av-Bw-Ax wherein A is a polyester and B is polyethylene glycol and v and x are the number of repeat units from 1 to 3,000 and w is the number of repeat units from 3 to 300 and v=x or v?x; or (b) a biodegradable diblock copolymer having the formula: Cy-Az wherein A is a polyester and C is an end-capped polyethylene glycol and y and z are the number of repeat units with y=2 to 250 and z=1 to 3,000; and wherein the mixture comprises at least one (a) and at least one (b); and the weight ratio between (a) and (b) is 1:19 to 5:1; and (ii) at least one pharmaceutically active ingredient.

Abstract: A special class of drug-depot forming triblock copolymers which are very suitable for the loading, containment and releasing of sensitive drugs such as proteins from biodegradable, injectable drug depots. How to visualize these depots for various imaging related purposes is described. A composition comprising a tri-block copolymer according to formula 1 B-A-B (1), wherein A stands for a linear poly-(ethylene glycol) block and wherein B stands for wherein B stands for a poly(lactide-co-?-caprolactone) block, wherein the hydroxyl end-groups of the tri-block copolymer are at least partially acylated with an optionally substituted acyl having 2 to 12 C-atoms, C-atoms of the substituents included; an active ingredient, preferably a pharmaceutically active ingredient and a solvent, wherein the block ratio of the tri-block copolymer, which ratio is defined as the ratio between the sum of the average molecular weight of the B-blocks and the sum of the average molecular weight of the A-block ranges from 1.4 to 3.5.

Abstract: Simple mixing/blending of a special class of drug-depot forming tri-block copolymers polymers, with the opportunity to cost-effectively tailor drug delivery performances of such biodegradable, injectable depots in a clinical and an industrial setting. How to visualize these depots for various imaging related purposes is described.

Abstract: Simple mixing/blending of a special class of drug-depot forming tri-block copolymers polymers, with the opportunity to cost-effectively tailor drug delivery performances of such biodegradable, injectable depots in a clinical and an industrial setting. How to visualize these depots for various imaging related purposes is described.

Abstract: A special class of drug-depot forming triblock copolymers which are very suitable for the loading, containment and releasing of sensitive drugs such as proteins from biodegradable, injectable drug depots. How to visualize these depots for various imaging related purposes is described. A composition comprising a tri-block copolymer according to formula 1 B-A-B (1), wherein A stands for a linear poly-(ethylene glycol) block and wherein B stands for wherein B stands for a poly(lactide-co-?-caprolactone) block, wherein the hydroxyl end-groups of the tri-block copolymer are at least partially acylated with an optionally substituted acyl having 2 to 12 C-atoms, C-atoms of the substituents included; an active ingredient, preferably a pharmaceutically active ingredient and a solvent, wherein the block ratio of the tri-block copolymer, which ratio is defined as the ratio between the sum of the average molecular weight of the B-blocks and the sum of the average molecular weight of the A-block ranges from 1.4 to 3.5.

Abstract: The present invention relates to particles suitable for delivery of active agents comprising a polymer containing thioester bonds which are obtained via the reaction of a thioic acid functionality and an unsaturated group. The polymer may be is linear, branched or crosslinked. The particles have an average diameter in the range of 10 nm to 1000 ?m, preferably in the range of 100 nm-100 ?m. The particles may comprise an active agent selected from the group of nutrients, pharmaceuticals, proteins and peptides, vaccines, genetic materials, diagnostic agents or imaging agents. The present invention further relates to the use of the particles in dermatology, muscular skeletal, oncology, in vascular applications, in orthopaedics, in ophthamology, spinal, intestinal, pulmonary, nasal, or auricular.

Abstract: Microparticle comprising a cross-linked polymer comprising (a) a cross-linker comprising two or more radically polymerizable groups, preferably selected from the group consisting of alkenes, sulfhydryl (SH), thioic, unsaturated esters, unsaturated urethanes, unsaturated ethers, and unsaturated amides; (b) a monofunctional reactive diluent comprising maximum one unsaturated C—C bond represented by the formula R0—C(R1)?CHR2 Formula (I) wherein —R0 is chosen depending on the structure of a selected active agent (c) to be loaded into the microparticle and is chosen to have a structure that when combined with the other components of the microparticle provides a higher affinity of the selected active agent (c) for the microparticle; —each R1 is chosen from hydrogen and substituted and unsubstituted, aliphatic, cycloaliphatic and aromatic hydrocarbon groups which groups optionally contain one or more moieties selected from the group of ester moieties, ether moieties, thioester moieties, thioether moieties, carbamate

Abstract: The present invention relates to a microparticle comprising a crosslinked polymer, which polymer is composed of a crosslinkable compound represented by the formula (I) wherein—X is a residue of a multifunctional radically polymerisable compound (having at least a functionality equal to n);—each Y independently is optionally present, and—if present—each Y independently represents a moiety selected from the group of O, S and NR0;—each R0 is independently chosen from the group of hydrogen and substituted and unsubstituted, aliphatic, cycloaliphatic and aromatic hydrocarbon groups which groups optionally contain one or more moieties selected from the group of ester moieties, ether moieties, thioester moieties, thioether moieties, carbamate moieties, thiocarbamate moieties, amide moieties and other moieties comprising one or more heteroatoms, in particular one or more heteroatoms selected from S, O, P and N, each R0 in particular independently being chosen from the group of hydrogen and substituted and unsubstitut

Abstract: The present invention relates to a method for the preparation of a drug loaded matrix with a pharmaceutical compound by polymerizing a polymerisation mixture by radiation in the presence of at least one sensitive pharmaceutical compound, wherein the polymerisation mixture comprises a) at least one polymerisable compound b) optionally at least one photoinitiator c) optionally at least one additive which are chosen such that the sensitive pharmaceutical compound is degraded less than 2%, or which are chosen such that the sensitive pharmaceutical compound is protected against degradation such that the degradation is about 50% or less when compared to radiation with a constituent that produce radical.