Drugs / Momelotinib

Regulatory milestones approvals, filings & regulatory actions · 4 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Filed familial myelofibrosis 2 milestones
Filed Japan (PMDA) — familial myelofibrosis 2023-09-11

“Ministry of Health, Labour and Welfare (MHLW), Japan, has accepted for review a new drug application (NDA) for momelotinib” gsk.com ↗

Filed EU (EMA) — familial myelofibrosis 2022-12-02

“European Medicines Agency (EMA) validated the marketing authorisation application (MAA) for momelotinib” gsk.com ↗

Approved Indication not stated 2 milestones
Approved EU (EMA) Omjjara — 2024-01-25 europa.eu ↗
Approved US (FDA) OJJAARA — 2023-09-15 fda.gov ↗

Trials 23

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT07071155 Mar 2026 → Mar 2028 expected chronic myelomonocytic leukemia, chronic neutrophilic leukemia, myelodysplastic syndrome Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins Recruiting No outcome recorded
Phase 15 trials
Phase 1 NCT07104799 Feb 2026 → Jan 2028 expected disease related to hematopoietic stem cell transplant, myelofibrosis Massachusetts General Hospital Recruiting No outcome recorded
Phase 1 NCT06150157 Dec 2023 → Dec 2026 expected neoplasm Janssen Research & Development, LLC Recruiting No outcome recorded
Phase 1 NCT02258607 Mar 2015 → Jul 2016 — Sierra Oncology LLC - a GSK company Terminated No outcome recorded
Phase 1 NCT02244489 Nov 2014 → Mar 2017 — Sierra Oncology LLC - a GSK company Terminated No outcome recorded
Phase 1 NCT02206763 Oct 2014 → Jan 2017 — Sierra Oncology LLC - a GSK company Terminated No outcome recorded
Phase 1/23 trials
Phase 1/2 NCT06235801 May 2024 → Oct 2027 expected myeloid leukemia M.D. Anderson Cancer Center Recruiting No outcome recorded
Phase 1/2 NCT01423058 Aug 2011 → Jun 2014 acquired polycythemia vera, myelofibrosis, primary myelofibrosis Sierra Oncology LLC - a GSK company Completed No outcome recorded
Phase 1/2 NCT00935987 Nov 2009 → Apr 2012 myelofibrosis, primary myelofibrosis Sierra Oncology LLC - a GSK company Completed No outcome recorded
Phase 28 trials · 1 missed
Phase 2 NCT07098936 Nov 2025 → Jun 2028 expected VEXAS syndrome, myelodysplastic syndrome Groupe Francophone des Myelodysplasies Recruiting No outcome recorded
Phase 2 NCT06847867 Jun 2025 → Jul 2027 expected myelodysplastic syndrome GlaxoSmithKline Recruiting No outcome recorded
Phase 2 NCT06517875 Feb 2025 → Mar 2027 expected myelofibrosis, primary myelofibrosis GlaxoSmithKline Recruiting No outcome recorded
Phase 2 NCT03441113 May 2018 → Dec 2026 expected myelofibrosis, primary myelofibrosis GlaxoSmithKline Active not recruiting No outcome recorded
Phase 2 NCT02515630 Jan 2016 → Jul 2017 myelofibrosis, primary myelofibrosis Sierra Oncology LLC - a GSK company Completed No outcome recorded
Phase 2 NCT02124746 Apr 2014 → Dec 2018 acquired polycythemia vera, essential thrombocythemia, myelofibrosis, primary myelofibrosis Sierra Oncology LLC - a GSK company Completed No outcome recorded
Phase 2 NCT01998828 Feb 2014 → Mar 2015 acquired polycythemia vera, essential thrombocythemia Sierra Oncology LLC - a GSK company Terminated Missed primary
Phase 2 NCT01236638 Nov 2010 → Jun 2014 myelofibrosis, primary myelofibrosis Sierra Oncology LLC - a GSK company Completed No outcome recorded
Phase 2/31 trial
Phase 2/3 NCT07569081 Aug 2026 → Dec 2028 expected VEXAS syndrome GlaxoSmithKline Not yet recruiting No outcome recorded
Phase 34 trials · 2 met primary · 1 missed
Phase 3 NCT04173494 Feb 2020 → Dec 2021 myelofibrosis, primary myelofibrosis Sierra Oncology LLC - a GSK company Completed Met primary
Phase 3 NCT02101268 Jun 2014 → Jul 2016 acquired polycythemia vera, myelofibrosis, primary myelofibrosis Sierra Oncology LLC - a GSK company Completed Missed primary
Phase 3 NCT02101021 Jun 2014 → Apr 2017 pancreatic ductal adenocarcinoma Sierra Oncology LLC - a GSK company Terminated No outcome recorded
Phase 3 NCT01969838 Dec 2013 → Sep 2016 myelofibrosis, primary myelofibrosis Sierra Oncology LLC - a GSK company Completed Met primary
Phase not stated1 trial
— NCT05582083 — myelofibrosis, primary myelofibrosis GlaxoSmithKline No longer available No outcome recorded
Comparator or background therapy4 trials
Phase 1/2 NCT04176198 Background Dec 2019 → Apr 2027 expected myelofibrosis Sumitomo Pharma America, Inc. Recruiting No outcome recorded
Phase 2 NCT07424950 Background Nov 2026 → Nov 2028 expected myelofibrosis United Lincolnshire Hospitals NHS Trust Not yet recruiting No outcome recorded
Phase 2 NCT05980806 Background Apr 2024 → Jun 2027 expected myelofibrosis, thrombocytopenia Karyopharm Therapeutics Inc Recruiting No outcome recorded
Phase 4 NCT07498205 Comparator Nov 2026 → Aug 2029 expected myelofibrosis SWOG Cancer Research Network Not yet recruiting No outcome recorded

News releases announcing trial results or a regulatory action · 12

DateIssuerRelease
2026-06-12 GlaxoSmithKline Regulatory GSK’s momelotinib granted Orphan Drug Designations in the US and EU for VEXAS syndrome gsk.com ↗
GSK plc (LSE/NYSE: GSK) today announced that momelotinib, a JAK inhibitor with a differentiated mechanism of action, has received Orphan Drug Designation (ODD) from the US Food and Drug Administration (FDA) and European Medicines Agency (EMA) for the treatment of VEXAS (Vacuoles, E1 enzyme, X-linked, Autoinflammatory, Somatic) syndrome.
2026-05-26 GlaxoSmithKline Results GSK to showcase long-term outcomes and pipeline expansion with latest oncology research at ASCO and EHA gsk.com ↗
New analyses will show Ojjaara/Omjjara (momelotinib) delivers benefit across patient subgroups including when switching from ruxolitinib
2025-05-29 GlaxoSmithKline Results GSK data at ASCO and EHA showcase latest research and innovation across the oncology portfolio gsk.com ↗
New analyses from MOMENTUM and SIMPLIFY-1 trials at EHA emphasise importance of early intervention with momelotinib
2024-06-24 GlaxoSmithKline Regulatory GSK’s Omjjara (momelotinib) approved in Japan for treatment of myelofibrosis gsk.com ↗
GSK plc (LSE/NYSE: GSK) today announced that Japan’s Ministry of Health, Labour and Welfare (MHLW) has approved Omjjara (momelotinib) for the treatment of myelofibrosis.
2024-01-29 GlaxoSmithKline Regulatory European Commission authorises GSK’s Omjjara (momelotinib) gsk.com ↗
GSK plc (LSE/NYSE: GSK) today announced the European Commission* granted marketing authorisation for Omjjara (momelotinib), a once-a-day, oral JAK1/JAK2 and activin A receptor type 1 (ACVR1) inhibitor.
2023-11-13 GlaxoSmithKline Regulatory GSK receives positive CHMP opinion recommending momelotinib for myelofibrosis patients with anaemia gsk.com ↗
The CHMP opinion is one of the final steps prior to a marketing authorisation decision by the European Commission.
2023-09-15 GlaxoSmithKline Regulatory Ojjaara (momelotinib) approved in the US as the first and only treatment indicated for myelofibrosis patients with anaemia gsk.com ↗
GSK plc (LSE/NYSE: GSK) today announced that the US Food and Drug Administration (FDA) has approved Ojjaara (momelotinib) for the treatment of intermediate or high-risk myelofibrosis, including primary myelofibrosis or secondary myelofibrosis (post-polycythaemia vera and post-essential thrombocythaemia), in adults with anaemia.
2023-09-11 GlaxoSmithKline Regulatory GSK regulatory submission for momelotinib for the treatment of myelofibrosis accepted for review by Japanese regulator gsk.com ↗
2023-06-16 GlaxoSmithKline Regulatory GSK announces extension of FDA review period for momelotinib gsk.com ↗
GSK plc (LSE/NYSE: GSK) today announced that the US Food and Drug Administration (FDA) has extended the review period of the new drug application (NDA) for momelotinib by three months to provide time to review recently submitted data.
2022-12-11 GlaxoSmithKline Results New data at ASH underscore the potential for durable, clinically important responses with momelotinib for myelofibrosis patients gsk.com ↗
Additionally, new analyses from MOMENTUM showed that TI response with momelotinib at week 24 was associated with overall survival.
2022-12-02 GlaxoSmithKline Regulatory European Medicines Agency accepts marketing authorisation application for momelotinib for the treatment of myelofibrosis gsk.com ↗
GSK plc (LSE/NYSE: GSK) today announced that the European Medicines Agency (EMA) validated the marketing authorisation application (MAA) for momelotinib, a potential new oral treatment for myelofibrosis.
2022-08-17 GlaxoSmithKline Regulatory US FDA accepts new drug application for GSK’s momelotinib for the treatment of myelofibrosis gsk.com ↗
GSK plc (LSE/NYSE: GSK) today announced that the US Food and Drug Administration (FDA) accepted the New Drug Application (NDA) for momelotinib, a potential new medicine with a proposed differentiated mechanism of action that may address the significant unmet medical needs of myelofibrosis patients with anaemia.

All press releases naming this drug 12 releases

DateIssuerRelease

Evidence & citations 20 cited values

Every value below carries the sentence it was read from. 30 sources stand behind the page.

FieldValueCited text
Known as Momelotinib “assess long-term safety of momelotinib (MMB) in participants with primary myelofibrosis” NCT03441113 ↗
25

“Momelotinib (MMB) tablet administered orally once daily” NCT02515630 ↗

“Momelotinib 200 mg QD alone” NCT07424950 ↗

NCT06517875 ↗

NCT07098936 ↗

NCT04176198 ↗

NCT06150157 ↗

NCT01236638 ↗

NCT05582083 ↗

NCT07498205 ↗

NCT01998828 ↗

Show 15 more sources

Known as CYT-0387 ChEMBL registry synonym — accepted as the source's own label CHEMBL1078178 ↗
Known as CYT-11387 ChEMBL registry synonym — accepted as the source's own label CHEMBL1078178 ↗
Known as CYT-11387 DIHYDROCHLORIDE MONOHYDRATE ChEMBL registry synonym — accepted as the source's own label CHEMBL1078178 ↗
Known as CYT-387 DIHYDROCHLORIDE ChEMBL registry synonym — accepted as the source's own label CHEMBL1078178 ↗
Known as CYT-387 DIHYDROCHLORIDE MONOHYDRATE ChEMBL registry synonym — accepted as the source's own label CHEMBL1078178 ↗
Known as CYT387 ClinicalTrials.gov intervention name — accepted as the source's own label NCT00935987 ↗
Known as GS-0387 ChEMBL registry synonym — accepted as the source's own label CHEMBL1078178 ↗
Known as MMB “This study will evaluate the safety, preliminary efficacy, and pharmacokinetics (PK) of momelotinib (MMB) and erlotinib” NCT02206763 ↗
4

“assess long-term safety of momelotinib (MMB) in participants with primary myelofibrosis” NCT03441113 ↗

“Momelotinib (MMB) tablet(s) administered orally once or twice daily” NCT02244489 ↗

“Momelotinib (MMB) tablet administered orally once daily” NCT02515630 ↗

“Momelotinib (MMB)” NCT02258607 ↗

Known as MOMELOTINIB DIHYDROCHLORIDE ChEMBL registry synonym — accepted as the source's own label CHEMBL1078178 ↗
Known as MOMELOTINIB DIHYDROCHLORIDE MONOHYDRATE ChEMBL registry synonym — accepted as the source's own label CHEMBL1078178 ↗
Known as Momelotinib hydrochloride hydrate ChEMBL registry synonym — accepted as the source's own label CHEMBL1078178 ↗
Known as Ojjaara ChEMBL registry synonym — accepted as the source's own label CHEMBL1078178 ↗
Known as Omjjara ChEMBL registry synonym — accepted as the source's own label CHEMBL1078178 ↗
Action Inhibit “Momelotinib, a small-molecule inhibitor of Janus kinase 1 and Janus kinase 2” PMID 27634203 ↗ Sep 2016
Modality Small molecule “Momelotinib, a small-molecule inhibitor of Janus kinase 1 and Janus kinase 2” PMID 27634203 ↗ Sep 2016
Route Oral “CYT387 will be orally self-administered as a single daily dose” NCT00935987 ↗
Target ACVR1 “also inhibit activin A receptor type 1 (ACVR1)” PMID 37042865 ↗ Jul 2023
Target JAK1 “inhibitor of Janus kinase 1 (JAK1)” PMID 37042865 ↗ Jul 2023
Target JAK2 “inhibitor of Janus kinase 1 (JAK1) and JAK2” PMID 37042865 ↗ Jul 2023