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Last Updated: December 29, 2025

Claims for Patent: 9,480,742


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Summary for Patent: 9,480,742
Title:Method of promoting bone growth by an anti-actriia antibody
Abstract: In certain aspects, the present invention provides compositions and methods for promoting bone growth and increasing bone density.
Inventor(s): Knopf; John (Carlisle, MA), Seehra; Jasbir (Lexington, MA)
Assignee: Acceleron Pharma Inc. (Cambridge, MA)
Application Number:13/939,976
Patent Claims:1. A method for promoting bone growth, increasing bone density, or increasing bone strength, the method comprising administering to a subject in need thereof an effective amount of an anti-ActRIIa antibody, wherein the anti-ActRIIa antibody antagonizes an activin-ActRIIa signaling pathway.

2. The method of claim 1, wherein the anti-ActRIIa antibody is a monoclonal antibody.

3. The method of claim 1, wherein the anti-ActRIIa antibody is a humanized or fully human antibody.

4. The method of claim 1, wherein the method is for promoting bone growth in a subject in need thereof.

5. The method of claim 1, wherein the method is for increasing bone density in a subject in need thereof.

6. The method of claim 1, wherein the method is for increasing bone strength in a subject in need thereof.

7. The method of claim 1, wherein the method further comprises administering a second bone-active agent.

8. The method of claim 7, wherein the bone-active agent is selected from: a bisphosphonate, an estrogen, a selective estrogen-receptor modulator, a parathyroid hormone, a calcitonin, a calcium supplement, and a vitamin D supplement.

9. A method for treating a bone-related disorder, the method comprising administering to a subject in need thereof an effective amount of an anti-ActRIIa antibody, wherein the bone-related disorder is associated with low bone density or decreased bone strength.

10. The method of claim 9, wherein the anti-ActRIIa antibody is a monoclonal antibody.

11. The method of claim 9, wherein the anti-ActRIIa antibody is a humanized or fully human antibody.

12. The method of claim 9, wherein the method further comprises administering a second bone-active agent.

13. The method of claim 12, wherein the bone-active agent is selected from: a bisphosphonate, an estrogen, a selective estrogen-receptor modulator, a parathyroid hormone, a calcitonin, a calcium supplement, and a vitamin D supplement.

14. The method of claim 9, wherein the bone-related disorder is primary osteoporosis.

15. The method of claim 9, wherein the bone-related disorder is post-menopausal osteoporosis.

16. The method of claim 9, wherein the bone-related disorder is secondary osteoporosis.

17. The method of claim 9, wherein the bone-related disorder is hypogonadal bone loss.

18. The method of claim 9, wherein the subject has a cancer that is associated with bone loss.

19. The method of claim 9, wherein the subject is the recipient of a cancer treatment regimen than is associated with bone loss.

20. The method of claim 9, wherein the bone-related disorder is bone metastases.

21. The method of claim 9, wherein the bone-related disorder is multiple myeloma.

22. The method of claim 9, wherein the bone-related disorder is Paget's disease.

23. The method of claim 9, wherein the subject has a cancer that is associated with bone metastases.

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