Tissue targeting
AssigneeMomenta Pharmaceuticals, Inc.
InventorsHe Zhou, Edward Cochran, Takashi Kei Kishimoto
Life of this patent
Estimating the term…
Abstract
Methods and compositions related to targeting agents to tumor tissue are described.
Claims24
A method of targeting a therapeutic or imaging agent to a tumor tissue of a patient, the method comprising (a) identifying a patient with a tumor tissue, wherein the patient is in need of administration of a therapeutic or imaging agent to treat or image the tumor;
- (b) providing a conjugate of the therapeutic or imaging agent and a LMWH composition;
- and (c) administering the conjugate to the patient, wherein the LMWH is selected from the group consisting of:
- (a) a LMWH having the following characteristics:
- (i) a weight average chain molecular weight between 3,500 and 8,000 Da;
- (ii) anti-Xa activity and anti-IIa activity each less than 50 IU/mg;
- and
- (iii) greater than 5% and less than 50% glycol split uronic acid residues;
- (b) a LMWH having the following characteristics:
- (i) a weight average chain molecular weight between 3,500 and 7,000 Da;
- (ii) anti-Xa activity and anti-IIa activity each less than 50 IU/mg;
- (iii) a polysaccharide chain having a glycol split uronic acid residue (UG);
- and
- (iv) polysaccharide chains each having no more than 3 glycol split uronic acid residues (UG);
- (c) a LMWH having the following characteristics:
- (i) a weight average chain molecular weight between 3,500 and 7,000 Da;
- (ii) anti-Xa activity and anti-IIa activity each less than 50 IU/mg;
- and
- (iii) polysaccharide chains having on average between 0.2 and 3 glycol split uronic acid residues (UG) per polysaccharide chain;
- (d) a LMWH having the following characteristics:
- (i) a weight average chain molecular weight between 3,500 and 7,000 Da;
- (ii) anti-Xa activity and anti-IIa activity each less than 50 IU/mg;
- and
- (iii) polysaccharide chains having greater than 40% U2SHNS,6S disaccharide residues;
- (e) a LMWH having the following characteristics:
- a polysaccharide preparation lacking substantial anticoagulant activity, wherein the preparation consists essentially of polysaccharides that include Formula I:
- [Uw-Hx,y,z]m{tilde over ( )}[UG-Hx,y,z]n
- wherein U indicates a uronic acid residue and H indicates a hexosamine residue;
- wherein m and n are integers such that
- m=4-16, and
- n=1-4:
- w=−2OS or −2OH;
- x=—NS or —NAc;
- y=−3OS or −3OH;
- z=−6OS or −6OH;
- and
- wherein the symbol {tilde over ( )} indicates that the units marked m and n are distributed along the polysaccharide chain and are not necessarily in sequence, wherein w, x, y, and z are each the same or different on each unit marked m, and wherein x, y, and z are each the same or different on each unit marked n;
- (f) a LMWH having the following characteristics:
- lacks substantial anticoagulant activity, has antimetastatic activity and consists essentially of polysaccharides that include Formula II:
- [Uw-Hx,y,z]m-[UG-Hx,y,z]n-[Uw-Hx,y,z]o-[UG-Hx,y,z]p-[Uw-Hx,y,z]q
- wherein U indicates a uronic acid residue and H indicates a hexosamine residue;
- wherein m-q are integers such that:
- m=0-10;
- n=0-3.
- o=0-10;
- p=0-3;
- q=0-10;
- w, for each occurrence, is independently −2OS or −2OH;
- x, for each occurrence, is independently —NS or —NAc;
- y, for each occurrence, is independently −3OS or −3OH;
- z, for each occurrence, is independently −6OS or −6OH;
- and UG=;
- wherein w, x, y, and z are each the same or different on each unit marked m, n, o, p, or q, to thereby target the agent to the tumor tissue.
(canceled)
A method of treating a subject, the method comprising:
- (a) identifying a subject who has a tumor, and
- (b) administering to the subject a therapeutically effective amount of a pharmaceutical composition comprising a conjugate of an anti-tumor agent and a LMWH composition, wherein the LMWH is selected from the group consisting of:
- (a) a LMWH having the following characteristics:
- (i) a weight average chain molecular weight between 3,500 and 8,000 Da;
- (ii) anti-Xa activity and anti-IIa activity each less than 50 IU/mg;
- and
- (iii) greater than 5% and less than 50% glycol split uronic acid residues;
- (b) a LMWH having the following characteristics:
- (i) a weight average chain molecular weight between 3,500 and 7,000 Da;
- (ii) anti-Xa activity and anti-IIa activity each less than 50 IU/mg;
- (iii) a polysaccharide chain having a glycol split uronic acid residue (UG);
- and
- (iv) polysaccharide chains each having no more than 3 glycol split uronic acid residues (UG);
- (c) a LMWH having the following characteristics:
- (i) a weight average chain molecular weight between 3,500 and 7,000 Da;
- (ii) anti-Xa activity and anti-IIa activity each less than 50 IU/mg;
- and
- (iii) polysaccharide chains having on average between 0.2 and 3 glycol split uronic acid residues (UG) per polysaccharide chain;
- (d) a LMWH having the following characteristics:
- (i) a weight average chain molecular weight between 3,500 and 7,000 Da;
- (ii) anti-Xa activity and anti-IIa activity each less than 50 IU/mg;
- and
- (iii) polysaccharide chains having greater than 40% U2SHNS,6S disaccharide residues;
- (e) a LMWH having the following characteristics:
- a polysaccharide preparation lacking substantial anticoagulant activity, wherein the preparation consists essentially of polysaccharides that include Formula I:
- [Uw-Hx,y,z]m{tilde over ( )}[UG-Hx,y,z]n
- wherein U indicates a uronic acid residue and H indicates a hexosamine residue;
- wherein m and n are integers such that
- m=4-16, and
- n=1-4:
- w=−2OS or −2OH;
- x=—NS or —NAc;
- y=−3OS or −3OH;
- z=−6OS or −6OH;
- and
- wherein the symbol {tilde over ( )} indicates that the units marked m and n are distributed along the polysaccharide chain and are not necessarily in sequence, wherein w, x, y, and z are each the same or different on each unit marked m, and wherein x, y, and z are each the same or different on each unit marked n;
- (f) a LMWH having the following characteristics:
- lacks substantial anticoagulant activity, has antimetastatic activity and consists essentially of polysaccharides that include Formula II:
- [Uw-Hx,y,z]m-[UG-Hx,y,z]n-[Uw-Hx,y,z]o-[UG-Hx,y,z]p-[Uw-Hx,y,z]q
- wherein U indicates a uronic acid residue and H indicates a hexosamine residue;
- wherein m-q are integers such that:
- m=0-10;
- n=0-3.
- o=0-10;
- p=0-3;
- q=0-10;
- w, for each occurrence, is independently −2OS or −2OH;
- x, for each occurrence, is independently —NS or —NAc;
- y, for each occurrence, is independently −3OS or −3OH;
- z, for each occurrence, is independently −6OS or −6OH;
- and
- wherein w, x, y, and z are each the same or different on each unit marked m, n, o, p, or q.
(canceled)
A pharmaceutical composition comprising a conjugate of a therapeutic or imaging agent and a LMWH composition, wherein the LMWH is selected from the group consisting of:
- (a) a LMWH having the following characteristics:
- (i) a weight average chain molecular weight between 3,500 and 8,000 Da;
- (ii) anti-Xa activity and anti-IIa activity each less than 50 IU/mg;
- and
- (iii) greater than 5% and less than 50% glycol split uronic acid residues;
- (b) a LMWH having the following characteristics:
- (i) a weight average chain molecular weight between 3,500 and 7,000 Da;
- (ii) anti-Xa activity and anti-IIa activity each less than 50 IU/mg;
- (iii) a polysaccharide chain having a glycol split uronic acid residue (UG);
- and
- (iv) polysaccharide chains each having no more than 3 glycol split uronic acid residues (UG);
- (c) a LMWH having the following characteristics:
- (i) a weight average chain molecular weight between 3,500 and 7,000 Da;
- (ii) anti-Xa activity and anti-IIa activity each less than 50 IU/mg;
- and
- (iii) polysaccharide chains having on average between 0.2 and 3 glycol split uronic acid residues (UG) per polysaccharide chain;
- (d) a LMWH having the following characteristics:
- (i) a weight average chain molecular weight between 3,500 and 7,000 Da;
- (ii) anti-Xa activity and anti-IIa activity each less than 50 IU/mg;
- and
- (iii) polysaccharide chains having greater than 40% U2SHNS,6S disaccharide residues;
- (e) a LMWH having the following characteristics:
- a polysaccharide preparation lacking substantial anticoagulant activity, wherein the preparation consists essentially of polysaccharides that include Formula I:
- [Uw-Hx,y,z]m{tilde over ( )}[UG-Hx,y,z]n
- wherein U indicates a uronic acid residue and H indicates a hexosamine residue;
- wherein m and n are integers such that
- m=4-16, and
- n=1-4:
- w=−2OS or −2OH;
- x=—NS or —NAc;
- y=−3OS or −3OH;
- z=−6OS or −6OH;
- and
- wherein the symbol {tilde over ( )} indicates that the units marked m and n are distributed along the polysaccharide chain and are not necessarily in sequence, wherein w, x, y, and z are each the same or different on each unit marked m, and wherein x, y, and z are each the same or different on each unit marked n;
- (f) a LMWH having the following characteristics:
- lacks substantial anticoagulant activity, has antimetastatic activity and consists essentially of polysaccharides that include Formula II:
- [Uw-Hx,y,z]m-[UG-Hx,y,z]n-[Uw-Hz,y,z]o-[UG-Hx,y,z]p-[Uw-Hx,y,z]q
- wherein U indicates a uronic acid residue and H indicates a hexosamine residue;
- wherein m-q are integers such that:
- m=0-10;
- n=0-3.
- o=0-10;
- p=0-3;
- q=0-10;
- w, for each occurrence, is independently −2OS or −2OH;
- x, for each occurrence, is independently —NS or —NAc;
- y, for each occurrence, is independently −3OS or −3OH;
- z, for each occurrence, is independently −6OS or −6OH;
- and
- wherein w, x, y, and z are each the same or different on each unit marked m, n, o, p, or q.
A method of targeting a therapeutic or imaging agent to a fibrotic tissue or inflammatory lesion of a patient, the method comprising (a) identifying a patient with a fibrotic tissue or inflammatory lesion, wherein the patient is in need of administration of a therapeutic or imaging agent to treat or image the fibrotic tissue or inflammatory lesion;
- (b) providing a conjugate of the therapeutic or imaging agent and a LMWH composition;
- and (c) administering the conjugate to the patient, wherein the LMWH is selected from the group consisting of:
- (a) a LMWH having the following characteristics:
- (i) a weight average chain molecular weight between 3,500 and 8,000 Da;
- (ii) anti-Xa activity and anti-IIa activity each less than 50 IU/mg;
- and
- (iii) greater than 5% and less than 50% glycol split uronic acid residues;
- (b) a LMWH having the following characteristics:
- (i) a weight average chain molecular weight between 3,500 and 7,000 Da;
- (ii) anti-Xa activity and anti-IIa activity each less than 50 IU/mg;
- (iii) a polysaccharide chain having a glycol split uronic acid residue (UG);
- and
- (iv) polysaccharide chains each having no more than 3 glycol split uronic acid residues (UG);
- (c) a LMWH having the following characteristics:
- (i) a weight average chain molecular weight between 3,500 and 7,000 Da;
- (ii) anti-Xa activity and anti-IIa activity each less than 50 IU/mg;
- and
- (iii) polysaccharide chains having on average between 0.2 and 3 glycol split uronic acid residues (UG) per polysaccharide chain;
- (d) a LMWH having the following characteristics:
- (i) a weight average chain molecular weight between 3,500 and 7,000 Da;
- (ii) anti-Xa activity and anti-IIa activity each less than 50 IU/mg;
- and
- (iii) polysaccharide chains having greater than 40% U2SHNS,6S disaccharide residues;
- (e) a LMWH having the following characteristics:
- a polysaccharide preparation lacking substantial anticoagulant activity, wherein the preparation consists essentially of polysaccharides that include Formula I:
- [Uw-Hx,y,z]m{tilde over ( )}[UG-Hx,y,z]n
- wherein U indicates a uronic acid residue and H indicates a hexosamine residue;
- wherein m and n are integers such that
- m=4-16, and
- n=1-4:
- w=−2OS or −2OH;
- x=—NS or —NAc;
- y=−3OS or −3OH;
- z=−6OS or −6OH;
- and
- wherein the symbol {tilde over ( )} indicates that the units marked m and n are distributed along the polysaccharide chain and are not necessarily in sequence, wherein w, x, y, and z are each the same or different on each unit marked m, and wherein x, y, and z are each the same or different on each unit marked n;
- (f) a LMWH having the following characteristics:
- lacks substantial anticoagulant activity, has antimetastatic activity and consists essentially of polysaccharides that include Formula II:
- [Uw-Hx,y,z]m-[UG-Hx,y,z]n-[Uw-Hx,y,z]o-[UG-Hx,y,z]p-[Uw-Hx,y,z]q
- wherein U indicates a uronic acid residue and H indicates a hexosamine residue;
- wherein m-q are integers such that:
- m=0-10;
- n=0-3.
- o=0-10;
- p=0-3;
- q=0-10;
- w, for each occurrence, is independently −2OS or −2OH;
- x, for each occurrence, is independently —NS or —NAc;
- y, for each occurrence, is independently −3OS or −3OH;
- z, for each occurrence, is independently −6OS or −6OH;
- and
- wherein w, x, y, and z are each the same or different on each unit marked m, n, o, p, or q, to thereby target the agent to the fibrotic tissue or inflammatory lesion.
(canceled)
(canceled)
(canceled)
Dependencies are inferred from the claim text.