Treatment of beta-thalassemia using actrii ligand trap
By administering activin receptor type II signal transduction inhibitors to patients with β-thalassemia, the challenge of treating β-thalassemia has been solved, hemoglobin concentration has been increased, transfusion burden has been reduced, erythropoiesis has been improved, and GDF-11 levels have been lowered.
Patent Information
- Application Number
- CN202610488096.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2015-10-19
- Filing Date
- 2016-05-12
- Publication Date
- 2026-07-17
AI Technical Summary
Currently, there is a lack of safe and effective drug therapies to treat β-thalassemia, especially transfusion-dependent and non-transfusion-dependent β-thalassemia, leaving patients facing the challenge of complications such as anemia and ineffective erythropoiesis.
Humanized fusion proteins of activin receptor type II signal transduction inhibitors, such as ActRIIA or ActRIIB, are administered subcutaneously to subjects at an initial dose of approximately 0.8 mg/kg or approximately 1.0 mg/kg every 21 days for the treatment of β-thalassemia.
It significantly increased the subjects' hemoglobin concentration, reduced the need for transfusions, improved erythropoiesis, reduced GDF-11 levels, and in some cases increased fetal hemoglobin levels.
Smart Images

Figure CN122399028A_ABST
Abstract
Citation Information
Patent Citations
Binding domain-immunoglobulin fusion proteins
US20030133939A1
Binding domain-immunoglobulin fusion proteins
US20050238646A1
Variants derived from ACTRIIB and uses therefor
US20090005308A1
Use of GDF traps to increase red blood cell levels
US20100068215A1
Wagon-brake
US223232A