Who are AMG531's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Doptelet, Mulpleta, Nplate, Promacta, CsA+ATG+Herombopag, CsA+Herombopag.

How often does this brief refresh?

Every 30 minutes from primary sources (FDA, EMA, MHRA, PMDA, ClinicalTrials.gov, USPTO). Subscribe to the RSS feed below for push alerts.

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Last reviewed 2026-05-14 · How we verify

AMG531 — Competitive Intelligence Brief

AMG531 (AMG531) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Thrombopoietin receptor agonist. Area: Hematology.

phase 2 Thrombopoietin receptor agonist Thrombopoietin receptor Hematology Small molecule Live · refreshed every 30 min

Target snapshot

AMG531 (AMG531) — Kyowa Kirin Korea Co., Ltd.. AMG531 is a thrombopoietin receptor agonist.

Comparator set (6 drugs)

Auto-detected by same drug class / molecular target / therapeutic area, ranked by phase + recency. Override with ?vs=slug1,slug2,….

Drug	Generic	Sponsor	Phase	Class	Target	Approval / PDUFA
AMG531 TARGET	AMG531	Kyowa Kirin Korea Co., Ltd.	phase 2	Thrombopoietin receptor agonist	Thrombopoietin receptor
Doptelet	AVATROMBOPAG	Akarx Inc	marketed		Thrombopoietin receptor	2018-01-01
Mulpleta	LUSUTROMBOPAG	Vancocin Italia	marketed		Thrombopoietin receptor	2018-01-01
Nplate	ROMIPLOSTIM	Amgen	marketed	Thrombopoietin Receptor Agonist [EPC]	Thrombopoietin receptor	2008-01-01
Promacta	ELTROMBOPAG	Novartis	marketed	Thrombopoietin Receptor Agonist	Thrombopoietin receptor	2008-01-01
CsA+ATG+Herombopag	CsA+ATG+Herombopag	Peking Union Medical College Hospital	marketed	Immunosuppressive agent + thrombopoietin receptor agonist combination	Calcineurin (CsA); T lymphocytes (ATG); thrombopoietin receptor (eltrombopag)
CsA+Herombopag	CsA+Herombopag	Peking Union Medical College Hospital	marketed	Combination therapy: calcineurin inhibitor + thrombopoietin receptor agonist	Calcineurin (CsA); thrombopoietin receptor / MPL (herombopag)

Recent regulatory actions (last 90 days)

2026-03-16 — Promacta · FDA · approved · US · Novartis

Upcoming PDUFA dates (next 180 days)

No PDUFA dates in the next 180 days for this set.

Patent timeline (forward window)

No upcoming patent expiries for this set.

Sponsor landscape (Thrombopoietin receptor agonist class)

Centro de Atencion e Investigacion Medica · 2 drugs in this class
Institute of Hematology & Blood Diseases Hospital, China · 2 drugs in this class
Jiangsu HengRui Medicine Co., Ltd. · 2 drugs in this class
Hvidovre University Hospital · 1 drug in this class
Kyowa Kirin Korea Co., Ltd. · 1 drug in this class
Peking Union Medical College Hospital · 1 drug in this class
PharmaEssentia Japan K.K. · 1 drug in this class
Qilu Pharmaceutical Co., Ltd. · 1 drug in this class
Shenyang Sunshine Pharmaceutical Co., LTD. · 1 drug in this class
Amgen · 1 drug in this class

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Cite this brief

Drug Landscape (2026). AMG531 — Competitive Intelligence Brief. https://druglandscape.com/ci/amg531. Accessed 2026-05-14.

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