Drugs / Romiplostim
last change Sep 2026 re-read 9 days ago

Romiplostim

also known as AMG-531 · N-Plate · N01 · Romiplate · Romiplostim N01

Peptide targets MPL via activation

Developed for
autoimmune thrombocytopenic purpura · thrombocytopenia · aplastic anemia · autoimmune thrombocytopenia · myelodysplastic syndrome · chemotherapy-induced toxicity · non-Hodgkin lymphoma · Hodgkins lymphoma
+14 more · lymphoma · plasma cell myeloma · anemia due to chronic disorder · bone marrow failure syndrome · disease related to hematopoietic stem cell transplant · Ewing sarcoma · hematopoietic and lymphoid cell neoplasm · infectious disease with sepsis · refractory cytopenia of childhood · thrombocytopenia due to immune destruction · thrombocytopenic purpura · transient neonatal thrombocytopenia · Wiskott-Aldrich syndrome · hepatitis C virus infection
Investigated by
Amgen · Kyowa Kirin, Inc. · Memorial Sloan Kettering Cancer Center · Peking Union Medical College Hospital · Anhui Provincial Hospital · Anjali Sharathkumar
+46 more · Assistance Publique - Hôpitaux de Paris · Gesellschaft fur Medizinische Innovation - Hamatologie und Onkologie mbH · Kyowa Kirin Co., Ltd. · M.D. Anderson Cancer Center · The First Affiliated Hospital of Soochow University · Affiliated Hospital of Hebei University · Affiliated Hospital of Nantong University · Ain Shams University · Andalusian Public Foundation for Health Research in Seville · Andres J. M. Ferreri · Changshu Affiliated Hospital of Soochow University · Children's Hospital Medical Center, Cincinnati · Chinese University of Hong Kong · David Gomez Almaguer · Department of Health and Human Services · European Organisation for Research and Treatment of Cancer - EORTC · Federal Research Institute of Pediatric Hematology, Oncology and Immunology · Food and Drug Administration (FDA) · Geropharm · GlaxoSmithKline · Kyowa Kirin Co., Ltd. · Masonic Cancer Center, University of Minnesota · NYU Langone Health · Nahda University · Nantes University Hospital · National Cancer Institute (NCI) · Peking University People's Hospital · Samsung Medical Center · Shandong Cancer Hospital and Institute · Shanghai 10th People's Hospital · Shanghai Tong Ren Hospital · Shanghai Tongji Hospital, Tongji University School of Medicine · Soochow Hopes Hematonosis Hospital · Tangshan People's Hospital · Tel-Aviv Sourasky Medical Center · The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School · The First Affiliated Hospital with Nanjing Medical University · The First People's Hospital of Changzhou · Tianjin Medical University Cancer Institute and Hospital · Union Hospital, Tongji Medical College, Huazhong University of Science and Technology · University Children's Hospital Basel · University Hospital, Basel, Switzerland · University Hospital, Lille · University of Miami Sylvester Comprehensive Cancer Center · Weill Medical College of Cornell University · Zhangjiagang First People's Hospital

Regulatory milestones approvals, filings & regulatory actions · 6 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Filed primary thrombocytopenia 1 milestone
Filed US (FDA) Nplate primary thrombocytopenia 2018-12-19

“submission of a Supplemental Biologics License Application (sBLA) to the U.S. Food and Drug Administration ( FDA ) for Nplate ® (romiplostim)” amgen.com ↗

Approved Indication not stated 3 milestones
Label expansions (3) US (FDA) NPLATE — 2018-12-14 – 2021-01-28 fda.gov ↗
Approved EU (EMA) Nplate — 2009-02-04 europa.eu ↗
Approved US (FDA) NPLATE — 2008-08-22 fda.gov ↗

Trials 71 · started per year

today
US approved 2008
EU approved 2009
2
1
5
6
2
1
3
1
1
1
2
5
5
2
1
1
4
7
3
3
4
3
8
200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025202620272028
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 02 trials
Phase 0 NCT07048249 Jan 2024 → Jan 2027 expected Ewing sarcoma, thrombocytopenia Children's Hospital Medical Center, Cincinnati Recruiting No outcome recorded
Phase 0 NCT04478227 Aug 2020 → Jan 2024 aplastic anemia, bone marrow failure syndrome, refractory cytopenia of childhood, thrombocytopenia Anjali Sharathkumar Completed No outcome recorded
Phase 13 trials · 1 met primary
Phase 1 NCT07595133 Jun 2026 → Dec 2027 expected infectious disease with sepsis Shanghai 10th People's Hospital Not yet recruiting No outcome recorded
Phase 1 NCT05652595 Jun 2022 → Jun 2024 — Geropharm Unknown Met primary
Phase 1 NCT02046291 Apr 2015 → Dec 2020 hematopoietic and lymphoid cell neoplasm Masonic Cancer Center, University of Minnesota Completed No outcome recorded
Phase 1/27 trials · 1 missed
Phase 1/2 NCT02868060 Sep 2015 → Aug 2017 autoimmune thrombocytopenia Kyowa Kirin Co., Ltd. Completed No outcome recorded
Phase 1/2 NCT01980030 Nov 2013 → Dec 2015 disease related to hematopoietic stem cell transplant Assistance Publique - Hôpitaux de Paris Completed No outcome recorded
Phase 1/2 NCT00515203 Jul 2007 → Mar 2009 autoimmune thrombocytopenic purpura Amgen Completed No outcome recorded
Phase 1/2 NCT00299182 Mar 2006 → Apr 2012 lymphoma M.D. Anderson Cancer Center Completed No outcome recorded
Phase 1/2 NCT00283439 Oct 2005 → May 2008 Hodgkins lymphoma, cancer, non-Hodgkin lymphoma, thrombocytopenia Amgen Completed Missed primary
Phase 1/2 NCT00147225 Aug 2005 → Mar 2013 cancer M.D. Anderson Cancer Center Completed No outcome recorded
Phase 1/2 NCT00117143 Dec 2002 → Jul 2004 thrombocytopenic purpura Amgen Completed No outcome recorded
Phase 228 trials · 2 met primary · 1 missed
Phase 2 NCT07278661 Sep 2026 → Dec 2028 expected thrombocytopenia Nantes University Hospital Recruiting No outcome recorded
Phase 2 NCT07854561 Aug 2026 → Feb 2027 expected anemia due to chronic disorder Chinese University of Hong Kong Recruiting No outcome recorded
Phase 2 NCT07001254 Aug 2026 → Dec 2031 expected aplastic anemia Anjali Sharathkumar Not yet recruiting No outcome recorded
Phase 2 NCT07400341 Jan 2026 → Jan 2028 expected aplastic anemia, myelodysplastic syndrome The First Affiliated Hospital of Soochow University Recruiting No outcome recorded
Phase 2 NCT06898983 Jul 2025 → Jun 2026 overdue chemotherapy-induced toxicity Anhui Provincial Hospital Recruiting No outcome recorded
Phase 2 NCT06693791 Dec 2024 → Nov 2026 expected transient neonatal thrombocytopenia Anhui Provincial Hospital Recruiting No outcome recorded
Phase 2 NCT05323617 Aug 2023 → Feb 2025 aplastic anemia Amgen Withdrawn No outcome recorded
Phase 2 NCT04933942 Sep → Dec 2022 high grade astrocytic tumor European Organisation for Research and Treatment of Cancer - EORTC Withdrawn No outcome recorded Stop: Business
Phase 2 NCT04673266 Dec 2020 → Apr 2026 lymphoma, thrombocytopenia Memorial Sloan Kettering Cancer Center Completed No outcome recorded
Phase 2 NCT04671901 Dec 2020 → Mar 2023 carcinoma, childhood malignant neoplasm Memorial Sloan Kettering Cancer Center Terminated No outcome recorded Stop: Enrollment
Phase 2/34 trials
Phase 2/3 NCT04095936 Dec 2019 → Oct 2021 aplastic anemia Kyowa Kirin, Inc. Completed No outcome recorded
Phase 2/3 NCT03957694 Apr 2019 → Nov 2020 aplastic anemia Kyowa Kirin, Inc. Completed No outcome recorded
Phase 2/3 NCT02773290 May 2016 → Nov 2017 aplastic anemia Kyowa Kirin, Inc. Completed No outcome recorded
Phase 2/3 NCT00440037 Nov 2006 → Jul 2011 autoimmune thrombocytopenic purpura Kyowa Kirin, Inc. Completed No outcome recorded
Phase 316 trials · 6 met primary
Phase 3 NCT07700238 Aug 2026 → Sep 2029 expected autoimmune thrombocytopenia Amgen Recruiting No outcome recorded
Phase 3 NCT06759636 Feb 2025 → Apr 2026 overdue chemotherapy-induced toxicity The First Affiliated Hospital with Nanjing Medical University Recruiting No outcome recorded
Phase 3 NCT06201663 Dec 2023 → May 2025 cancer, thrombocytopenia Ain Shams University Unknown No outcome recorded
Phase 3 NCT05325593 Dec 2022 → Oct 2026 expected autoimmune thrombocytopenia Andalusian Public Foundation for Health Research in Seville Active not recruiting No outcome recorded
Phase 3 NCT03937154 Feb 2020 → Mar 2026 overdue thrombocytopenia Amgen Active not recruiting No outcome recorded
Phase 3 NCT03362177 Sep 2019 → Jan 2024 thrombocytopenia Amgen Completed Met primary
Phase 3 NCT03343847 Jan 2018 → Jul 2021 thrombocytopenia Amgen Withdrawn No outcome recorded
Phase 3 NCT02868099 Sep 2015 → Feb 2017 autoimmune thrombocytopenia Kyowa Kirin Co., Ltd. Completed Met primary
Phase 3 NCT02279173 Dec 2014 → Aug 2018 autoimmune thrombocytopenia Amgen Completed No outcome recorded
Phase 3 NCT01444417 Jan 2012 → Feb 2015 autoimmune thrombocytopenic purpura Amgen Completed Met primary
Phase 47 trials
Phase 4 NCT06535685 Aug 2024 → Mar 2025 overdue aplastic anemia Peking Union Medical College Hospital Not yet recruiting No outcome recorded
Phase 4 NCT06516484 Jul 2024 → Jul 2025 overdue aplastic anemia Peking Union Medical College Hospital Not yet recruiting No outcome recorded
Phase 4 NCT06009497 Aug 2023 → Dec 2024 aplastic anemia Peking Union Medical College Hospital Unknown No outcome recorded
Phase 4 NCT05861297 May 2020 → Jan 2024 autoimmune thrombocytopenic purpura Nahda University Unknown No outcome recorded
Phase 4 NCT03119974 Sep 2017 → Aug 2020 autoimmune thrombocytopenic purpura Assistance Publique - Hôpitaux de Paris Completed No outcome recorded
Phase 4 NCT02760251 Apr 2016 → Jul 2019 autoimmune thrombocytopenia University Hospital, Basel, Switzerland Completed No outcome recorded
Phase 4 NCT00907478 Aug 2009 → Jan 2014 autoimmune thrombocytopenic purpura Amgen Completed No outcome recorded
Phase not applicable4 trials
— NCT07662525 Jun 2026 → Dec 2027 expected autoimmune thrombocytopenic purpura Peking University People's Hospital Not yet recruiting No outcome recorded
— NCT07612319 Mar 2026 → Sep 2027 expected autoimmune thrombocytopenic purpura The First Affiliated Hospital of Soochow University Recruiting No outcome recorded
— NCT07162519 Sep 2025 → Aug 2026 overdue breast cancer, chemotherapy-induced toxicity Tianjin Medical University Cancer Institute and Hospital Not yet recruiting No outcome recorded
— NCT00472290 Apr 2007 → Jul 2011 myelodysplastic syndrome, thrombocytopenia Amgen Completed No outcome recorded
Comparator or background therapy9 trials
Phase 2 NCT07421167 Background Aug 2026 → Jan 2029 expected Evans syndrome Novartis Pharmaceuticals Recruiting No outcome recorded
Phase 2 NCT06345495 Background Oct 2024 → Jan 2027 expected myelofibrosis, splenic disorder M.D. Anderson Cancer Center Recruiting No outcome recorded
Phase 2 NCT04289207 Background Mar → Sep 2020 autoimmune thrombocytopenia Seoul National University Hospital Unknown No outcome recorded
Phase 2 NCT01153919 Comparator Jun 2010 → Jul 2014 hepatitis C virus infection, thrombocytopenia University of Southern California Terminated No outcome recorded
Phase 2 NCT00418665 Comparator Dec 2006 → Mar 2009 myelodysplastic syndrome, thrombocytopenia Amgen Completed No outcome recorded

News releases announcing trial results or a regulatory action · 9

DateIssuerRelease
2023-09-25 Kyowa Kirin, Inc. Regulatory Kyowa Kirin Received Approval for Partial Change Approval of Romiplate® for Aplastic Anemia in Japan kyowakirin.com ↗
the company has received approval from the Japanese Ministry of Health, Labour and Welfare for hematopoietic stimulating agent Romiplate® (AMG531, generic name: romiplostim (genetical recombination))
2019-10-18 Amgen Regulatory Nplate® (romiplostim) Now Approved For Earlier Use In Adults With Immune Thrombocytopenia amgen.com ↗
The updated indication expands treatment with Nplate to newly diagnosed and persistent adult ITP patients who have had an insufficient response to corticosteroids, immunoglobulins or splenectomy.
2019-06-18 Kyowa Kirin, Inc. Regulatory Kyowa Hakko Kirin Receives the Partial Change Approval of Romiplate® for Aplastic Anemia in Japan kyowakirin.com ↗
Kyowa Hakko Kirin Co., Ltd. (Tokyo: 4151, President and CEO: Masashi Miyamoto, "Kyowa Hakko Kirin") announced today that it has received the partial change approval of Romiplate® (code name: AMG531, generic name: romiplostim (recombinant), "the drug") for an additional indication of treatment of aplastic anemia (AA) in patients who have had an inadequate response to conventional therapy from Japan's Ministry of Health, Labour and Welfare (MHLW).
2018-12-19 Amgen Regulatory Amgen Submits Supplemental Biologics License Application For Nplate® (romiplostim) amgen.com ↗
today announced the submission of a Supplemental Biologics License Application (sBLA) to the U.S. Food and Drug Administration ( FDA )
2018-12-14 Amgen Regulatory FDA Approves Nplate® (Romiplostim) For Use In Pediatric Patients With Immune Thrombocytopenia amgen.com ↗
2018-12-02 Novartis Pharmaceuticals Results Real-world data show Novartis drug Revolade® improves outcomes for ITP patients compared to other second-line therapies novartis.com ↗
Revolade (eltrombopag) showed lower rate of bleeding-related episodes and similar rate of thrombotic events vs. romiplostim, rituximab and splenectomy, in a retrospective analysis of US electronic health records
2018-07-31 Kyowa Kirin, Inc. Regulatory Kyowa Hakko Kirin Submits Application for Additional Indication for Romiplostim (Recombinant) for Aplastic Anemia in Japan kyowakirin.com ↗
Kyowa Hakko Kirin Co., Ltd. (Tokyo: 4151, President and COO: Masashi Miyamoto, "Kyowa Hakko Kirin") announced today that an application seeking approval of an additional indication for romiplostim (code name: AMG531, "the drug") for aplastic anemia (AA) has been filed with Japan's Ministry of Health, Labour and Welfare (MHLW).
2017-11-10 Amgen Regulatory Amgen Receives Positive CHMP Opinion To Expand Use Of Nplate® (romiplostim) In Pediatric Patients With Chronic Immune Thrombocytopenic Purpura amgen.com ↗
2016-04-19 Amgen Results Nplate® (Romiplostim) Study In The Lancet Shows Significant Increase In Durable Platelet Response Among Children With Immune Thrombocytopenia amgen.com ↗
The study showed that 52 percent of Nplate patients achieved a durable platelet response, compared with 10 percent of placebo-treated patients ( p =0.002, odds ratio 9.1, 95 percent CI: 1.9, 43.2).

All press releases naming this drug 10 releases

DateIssuerRelease

Evidence & citations 10 cited values

Every value below carries the sentence it was read from. 82 sources stand behind the page.

FieldValueCited text
Known as Romiplostim “AMG 531 (Romiplostim) will be administered weekly by subcutaneous injection at a dose of 500 or 750 μg during Part A and 750 μg during Part B for the 4 cycle treatment period,...” NCT00321711 ↗
65

“The investigators developed, in this study, a standardized procedure to discontinue Eltrombopag and Romiplostim, wherein the dose will be slowly tapered to limit the risk of bleeding.” NCT03119974 ↗

“romiplostim” NCT07421167 ↗

NCT02868060 ↗

NCT04371939 ↗

NCT00305435 ↗

NCT07400341 ↗

NCT07001254 ↗

NCT00111475 ↗

NCT04673266 ↗

NCT03622931 ↗

Show 55 more sources

Known as AMG-531 “This is a Phase 2, multicenter, randomized, double blind, placebo controlled study designed to assess the efficacy and safety of romiplostim (formerly, AMG 531) treatment in...” NCT00614523 ↗
15

“Study of Romiplostim(AMG531) in Subjects With Aplastic Anemia” NCT02773290 ↗

“Romiplostim (formerly AMG 531)” NCT00472290 ↗

“Romiplostim (AMG-531)” NCT00305435 ↗

“Romiplostim (AMG-531)” NCT07048249 ↗

NCT00515203 ↗

NCT00147225 ↗

NCT00321711 ↗

NCT00603642 ↗

NCT00102336 ↗

NCT00102323 ↗

Show 5 more sources

Known as N-Plate “N-Plate / romiplostim” NCT02335268 ↗
4

NCT05652595 ↗

NCT06497036 ↗

NCT07278661 ↗

NCT05220878 ↗

Known as N01 “To evaluate the efficacy of romiplostim (N01) in the treatment of chemotherapy-induced thrombocytopenia (CIT) in breast cancer patients by assessing the proportion of patients...” NCT07162519 ↗
1

“Romiplostim for injection N01 (specification: 250 μg per vial) is administered subcutaneously, 250 μg, once a week” NCT07595133 ↗

Known as Romiplate ChEMBL registry synonym — accepted as the source's own label CHEMBL1201832 ↗
Known as Romiplostim N01 “Romiplostim N01 will be administered via subcutaneous injection once weekly when patients develop Grade 3 thrombocytopenia” NCT06898983 ↗
Action Activate “Romiplostim is a thrombopoietin receptor agonist that increases platelet counts” PMID 19671919 ↗ Aug 2009
1

“Thrombopoietin receptor agonist” CHEMBL1201832 ↗

Modality Peptide “a novel thrombopoiesis-stimulating peptibody” NCT00117143 ↗
Route Subcutaneous “Administered by subcutaneous injection” NCT00111475 ↗
Target MPL “Thrombopoietin receptor agonist” CHEMBL1201832 ↗