IP Library Granted Patent US 12,544,404
Granted Patent B2
US 12,544,404 · App. 17/277,093 · Granted Feb 10, 2026

Compositions and methods for treating bone injury

Inventor: Vaida Glatt (San Antonio, TX)
Assignee: Board of Regents, The University of Texas System
A61K35/14A61K9/0024A61K35/16A61K35/18A61K35/19A61K38/1825A61K38/1866A61K38/1875A61K38/36A61K38/4813A61K38/482A61K38/4833A61K47/02A61K47/12A61L27/225A61L27/227A61L27/3616A61L27/446A61L27/56A61P19/08A61L2300/254A61L2300/414A61L2430/02
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Quick Facts
Patent No.
US 12,544,404
App. No.
17/277,093
Granted
Feb 10, 2026
Kind
B2
Abstract

The disclosure relates to compositions and methods of treating, improving, and accelerating the healing of large segmental bone defects in a subject. The method comprises administering to a patient in need of treatment an effective amount of whole blood, sodium citrate, ecarin and BMP-2.

Claims (13)

1 . A composition consisting of: (a) isolated whole blood; (b) sodium citrate; (c) thrombin and calcium chloride; and (d) bone morphogenetic protein 2 (BMP-2).

2 . The composition of claim 1 , wherein the whole blood comprises viable cells and one or more biological factors.

3 . The composition of claim 2 , wherein about 50% to 70% of the viable cells of the whole blood remain viable after formation of the hematoma.

4 . The composition of claim 1 , wherein the dose of BMP-2 present in the composition is at least 0.01 mg.

5 . The composition of claim 1 , wherein the composition is formulated as a gel or a liquid.

6 . A method of promoting bone healing or producing bone replacement material or implants, the method comprising administering to a subject in need thereof a therapeutically effective amount of the composition of claim 1 .

7 . The method of claim 6 , wherein the amount of BMP-2 present in the composition is at least 0.01-5 mg.

8 . The method of claim 6 , wherein the subject has a skeletal defect.

9 . The method of claim 6 , wherein the subject has one or more bone injuries.

10 . A method of constructing an implant, the method comprising: a) dimensioning a depot implant in at least one of a shape and a size that facilitates implantation of the depot implant into a bone defect; and b) structuring the depot implant to have a scaffold by introducing (i) isolated whole blood and sodium citrate; (ii) thrombin and calcium chloride; and (iii) bone morphogenetic protein 2 (BMP-2) to create the scaffold; wherein the scaffold has a porosity of 55 to 75%.

11 . The method of claim 10 , wherein the scaffold is constructed as a clot.

12 . The method of claim 10 , further comprising one or more growth factors, wherein the one or more growth factors is BMP-7, BMP-4, BMP-6, BMP-9, BMP-14, platelet-derived growth factor (PDGF), vascular endothelial growth factor (VEGF), fibroblast growth factor 2 (FGF-2), or a combination thereof.

13 . The method of claim 10 , wherein the amount of BMP-2 present in the scaffold is at least 0.01 mg.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 26, 2021
From: GLATT, VAIDA
To: THE BOARD OF REGENTS OF THE UNIVERSITY OF TEXAS SYSTEM
Reel/Frame 056361/0451 →
Continuity (3)
Provisional Application 62845500 · May 9, 2019
Provisional Application 62732534 · Sep 17, 2018
Related Publication 20220016162A1 · Jan 20, 2022
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