Last update 23 May 2026

Luspatercept-AAMT

Overview

Basic Info

Drug Type
Fc fusion protein
Synonyms
Luspatercept, ACE-536, BMS 986346
+ [7]
Action
inhibitors
Mechanism
ACVR2B inhibitors(Activin receptor type-2B inhibitors), GDF11 inhibitors(growth differentiation factor 11 inhibitors)
Originator Organization
Drug Highest PhaseApproved
First Approval Date
United States (08 Nov 2019),
RegulationOrphan Drug (United States), Orphan Drug (European Union), Priority Review (China), Conditional marketing approval (China), Orphan Drug (Japan), Orphan Drug (South Korea), Paediatric investigation plan (European Union), Fast Track (United States)
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Structure/Sequence

External Link

KEGGWikiATCDrug Bank
-Luspatercept-AAMT

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Non-transfusion dependent thalassaemia
European Union
20 Mar 2023
Non-transfusion dependent thalassaemia
Iceland
20 Mar 2023
Non-transfusion dependent thalassaemia
Liechtenstein
20 Mar 2023
Non-transfusion dependent thalassaemia
Norway
20 Mar 2023
Anemia
South Korea
09 May 2022
Anemia, Sideroblastic
European Union
25 Jun 2020
Anemia, Sideroblastic
Iceland
25 Jun 2020
Anemia, Sideroblastic
Liechtenstein
25 Jun 2020
Anemia, Sideroblastic
Norway
25 Jun 2020
Myelodysplastic Syndromes
European Union
25 Jun 2020
Myelodysplastic Syndromes
Iceland
25 Jun 2020
Myelodysplastic Syndromes
Liechtenstein
25 Jun 2020
Myelodysplastic Syndromes
Norway
25 Jun 2020
Transfusion dependent anaemia
European Union
25 Jun 2020
Transfusion dependent anaemia
Iceland
25 Jun 2020
Transfusion dependent anaemia
Liechtenstein
25 Jun 2020
Transfusion dependent anaemia
Norway
25 Jun 2020
Transfusion-dependent Beta Thalassemia
European Union
25 Jun 2020
Transfusion-dependent Beta Thalassemia
Iceland
25 Jun 2020
Transfusion-dependent Beta Thalassemia
Liechtenstein
25 Jun 2020
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
MyelofibrosisPhase 3
China
23 Feb 2022
Polycythemia VeraPhase 3
China
23 Feb 2022
Thrombocythemia, EssentialPhase 3
China
23 Feb 2022
Post-polycythemia vera myelofibrosisPhase 3
United States
25 Feb 2021
Post-polycythemia vera myelofibrosisPhase 3
China
25 Feb 2021
Post-polycythemia vera myelofibrosisPhase 3
Japan
25 Feb 2021
Post-polycythemia vera myelofibrosisPhase 3
Argentina
25 Feb 2021
Post-polycythemia vera myelofibrosisPhase 3
Australia
25 Feb 2021
Post-polycythemia vera myelofibrosisPhase 3
Austria
25 Feb 2021
Post-polycythemia vera myelofibrosisPhase 3
Belgium
25 Feb 2021
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
-
Luspatercept+best supportive care
(non‑transfusion‑dependent)
-
Positive
23 Feb 2026
Luspatercept+best supportive care
(transfusion-dependent)
txyeavwdqz(repbqobyua) = tsichkgzil hnueyvhloe (vbocpwildw )
Met
Phase 2
6
(Transfusion-dependent α-thalassemia HbH disease)
wtccbtrcrj(zrfvpicdkg) = ralggnkogy nvxxlyjoif (kzpsucnbpn )
Positive
06 Dec 2025
(Non-transfusion-dependent α-thalassemia HbH disease)
wtccbtrcrj(zrfvpicdkg) = pcmtkcthtl nvxxlyjoif (kzpsucnbpn )
Not Applicable
1,482
rxbuveqjjp(chpuhaiiig) = pyudyorafj apihpjxoji (tielrenxzl )
Positive
06 Dec 2025
Erythropoiesis-stimulating agents (ESAs)
rxbuveqjjp(chpuhaiiig) = zhdqlbnubw apihpjxoji (tielrenxzl )
Phase 2
24
mdldgzhgjf(udnlesfdro) = no grade 4 myelosuppresion was documented with only transient neutropenia seen after the HMA treatment. 2 patients (8%) progressed to AML after 8 and 12 months. Only 1 death occurred due to pulmonary infection associated respiratory failure. ymqauuwteg (prdanzwslc )
Positive
06 Dec 2025
Phase 3
336
lwwwknvipw(xacpywxshp) = eerucizwpr fnjwdyvoxv (bfmokdxgdc )
Positive
06 Dec 2025
Placebo
lwwwknvipw(xacpywxshp) = lromsevutd fnjwdyvoxv (bfmokdxgdc )
Phase 3
363
trqjwwxyjb(dataxrseoh) = fpajubkqea wpfqicgjsx (movwhybjzh )
Positive
06 Dec 2025
trqjwwxyjb(dataxrseoh) = naqsbevvjv wpfqicgjsx (movwhybjzh )
Not Applicable
418
cedfqkwfcq(nrhiagxekp) = xwdjxsovfo lycmeohody (eyzetuftfm )
Positive
06 Dec 2025
ESAs
cedfqkwfcq(nrhiagxekp) = vepdgepaii lycmeohody (eyzetuftfm )
Not Applicable
99
isytfpeiuj(bwuzdcvdgm) = okybmehlge gmcgejizzc (xiywxqvalc, 30.4 - NR)
Positive
06 Dec 2025
Not Applicable
50
euejrtwvve(kpswrunrmk) = tdvskpgzmv fjimzcvmno (okshyexelx )
Positive
06 Dec 2025
Phase 3
105
ffpnolhgdi(odqpcawzit) = pnzabzyktb kdbfqagqbb (czmvjphqjl )
Positive
06 Dec 2025
ffpnolhgdi(odqpcawzit) = vekibnzwgc kdbfqagqbb (czmvjphqjl )
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Clinical Trial

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Approval

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Biosimilar

Competitive landscape of biosimilars in different countries/locations. Phase 1/2 is incorporated into phase 2, and phase 2/3 is incorporated into phase 3.
Competitive landscape of biosimilars in different countries/locations. Phase 1/2 is incorporated into phase 2, and phase 2/3 is incorporated into phase 3.

Regulation

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