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Last Updated: April 4, 2026

CLINICAL TRIALS PROFILE FOR MOMELOTINIB DIHYDROCHLORIDE


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All Clinical Trials for momelotinib dihydrochloride

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00935987 ↗ Safety and Efficacy Study of CYT387 in Primary Myelofibrosis (PMF) or Post-polycythemia Vera (PV) or Post-essential Thrombocythemia (ET) Completed Gilead Sciences Phase 1/Phase 2 2009-11-01 This study seeks to (i) determine a safe and tolerated dose of CYT387 (momelotinib) given to patients with PMF, post-PV or post-ET and, (ii) assess the effectiveness of orally-administered CYT387 as a treatment for PMF, post-PV or post-ET.
NCT00935987 ↗ Safety and Efficacy Study of CYT387 in Primary Myelofibrosis (PMF) or Post-polycythemia Vera (PV) or Post-essential Thrombocythemia (ET) Completed Sierra Oncology, Inc. Phase 1/Phase 2 2009-11-01 This study seeks to (i) determine a safe and tolerated dose of CYT387 (momelotinib) given to patients with PMF, post-PV or post-ET and, (ii) assess the effectiveness of orally-administered CYT387 as a treatment for PMF, post-PV or post-ET.
NCT01236638 ↗ Extension Study Evaluating the Long Term Safety and Efficacy Study of CYT387 in Primary Myelofibrosis (PMF) or Post-polycythemia Vera (PV) or Post-essential Thrombocythemia (ET) Completed Gilead Sciences Phase 2 2010-11-01 This extension protocol to the core study CCL09101 allows patients who have tolerated the drug and derived a clinical benefit, to continue to receive treatment beyond the 9 cycles of the core protocol. Long term safety and efficacy of CYT387 (momelotinib) will be evaluated.
NCT01236638 ↗ Extension Study Evaluating the Long Term Safety and Efficacy Study of CYT387 in Primary Myelofibrosis (PMF) or Post-polycythemia Vera (PV) or Post-essential Thrombocythemia (ET) Completed Sierra Oncology, Inc. Phase 2 2010-11-01 This extension protocol to the core study CCL09101 allows patients who have tolerated the drug and derived a clinical benefit, to continue to receive treatment beyond the 9 cycles of the core protocol. Long term safety and efficacy of CYT387 (momelotinib) will be evaluated.
NCT01423058 ↗ Safety Study Evaluating Twice-Daily Administration of Momelotinib in Primary Myelofibrosis or Post-Polycythemia Vera or Post-Essential Thrombocythemia Myelofibrosis Completed Gilead Sciences Phase 1/Phase 2 2011-08-01 The myeloproliferative neoplasms (MPN), most notably polycythemia vera (PV), essential thrombocythemia (ET), and primary myelofibrosis (PMF) are a diverse but inter-related suite of clonal disorders of pluripotent hematopoietic stem cells (Tefferi et al., 2008). The MPN share a range of biological, pathological, and clinical features including the relative overproduction of one or more cells of myeloid origin, growth factor independent colony formation in vitro, marrow hypercellularity, extramedullary hematopoiesis, spleno- and hepatomegaly, and thrombotic and/or hemorrhagic diatheses (Tefferi et al., 2005). This is a multi-centre, open-label, non-randomized, dose-escalation study, to be conducted in two phases: a dose-escalation phase (Part 1), to determine the safety and tolerability of momelotinib (CYT387), and to identify a therapeutic dose for the expanded cohort; and a dose-confirmation phase (Part 2), which will be a cohort expansion at or below the MTD of momelotinib. In the Part I dose-escalation phase of the study, subjects will be assigned to dose levels in successive cohorts starting with a dose in the first cohort of 200 mg BID (twice daily with doses taken approximately 12 hours apart). Doses will be escalated by 50 mg BID per cohort until dose-limiting toxicities are observed. The dose level at which ≥2 of 6 subjects develop a first cycle dose-limiting toxicity (DLT) is defined as the DLT level. The maximum tolerated dose (MTD) is defined as the dose level below the DLT level. New dose levels may begin accrual only if all subjects at the current dose level have been observed for a minimum of 28 days from the first day of treatment. The dose level chosen for study in the dose confirmation phase of the study will be the MTD or a lower dose shown to have significant clinical activity (efficacy) as determined by the safety review committee. Subjects will be evaluated weekly for the first cycle, every 2 weeks during cycle 2, then monthly for 4 cycles for a total of 6 cycles. In the dose-confirmation phase of the study, approximately fifty (50) subjects will be treated at the MTD or at a lower dose shown to have significant clinical activity (efficacy) as chosen by the Safety Review Committee. In the dose confirmation phase of the study subjects will be evaluated every 2 weeks during the first treatment cycle, and then monthly for 5 cycles for a total of 6 cycles.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for momelotinib dihydrochloride

Condition Name

Condition Name for momelotinib dihydrochloride
Intervention Trials
Primary Myelofibrosis 9
Post-Essential Thrombocythemia Myelofibrosis 7
Post-polycythemia Vera Myelofibrosis 6
Primary Myelofibrosis (PMF) 3
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Condition MeSH

Condition MeSH for momelotinib dihydrochloride
Intervention Trials
Primary Myelofibrosis 14
Polycythemia Vera 11
Polycythemia 11
Thrombocytosis 11
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Clinical Trial Locations for momelotinib dihydrochloride

Trials by Country

Trials by Country for momelotinib dihydrochloride
Location Trials
United States 129
Canada 33
France 24
Australia 20
Poland 19
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Trials by US State

Trials by US State for momelotinib dihydrochloride
Location Trials
California 15
Texas 9
Massachusetts 9
Florida 8
Arizona 8
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Clinical Trial Progress for momelotinib dihydrochloride

Clinical Trial Phase

Clinical Trial Phase for momelotinib dihydrochloride
Clinical Trial Phase Trials
PHASE2 3
PHASE1 2
Phase 3 5
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Clinical Trial Status

Clinical Trial Status for momelotinib dihydrochloride
Clinical Trial Phase Trials
Completed 7
RECRUITING 6
Terminated 5
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Clinical Trial Sponsors for momelotinib dihydrochloride

Sponsor Name

Sponsor Name for momelotinib dihydrochloride
Sponsor Trials
Sierra Oncology, Inc. 14
Gilead Sciences 13
GlaxoSmithKline 5
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Sponsor Type

Sponsor Type for momelotinib dihydrochloride
Sponsor Trials
Industry 37
Other 5
NIH 2
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Momelotinib Dihydrochloride: Clinical Trials Update, Market Analysis, and Future Projections

Last updated: January 27, 2026

Summary

Momelotinib Dihydrochloride, an investigational oral Janus kinase (JAK) inhibitor primarily targeting JAK1 and JAK2 pathways, is designed for treatment of myelofibrosis (MF) and other hematologic disorders. This analysis covers recent clinical trial outcomes, current market positioning, competitive landscape, regulatory developments, and future market projections. As of 2023, with limited commercialization, the drug remains in late-stage trials or regulatory review in select markets, holding potential for substantial growth subject to trial success and approval timelines.


What is the Current Status of Clinical Trials for Momelotinib Dihydrochloride?

Recent Clinical Trials and Outcomes

Trial Name Phase Participants Primary Endpoints Results Summary Status
MOMENTUM (NCT03905577) Phase III 425 MF patients Spleen volume reduction, symptom score Achieved primary endpoint with statistically significant spleen volume reduction and symptom improvement; comparable or superior to ruxolitinib Completed; Data released in 2022; Awaiting regulatory review in some jurisdictions
MOMENTUM Extension Phase III Subset of MOMENTUM participants Long-term safety & durability Demonstrated sustained efficacy with manageable safety profile over 24 months Ongoing
MOMENTUM-A Phase II 50 MF patients Anemia response rate Noted improvement in hemoglobin levels for anemic patients Completed; data published in 2023

Key Clinical Findings

  • Efficacy: Significant reduction in spleen size (>35% in primary analysis), symptom score improvements, and hematologic benefits such as anemia relief.
  • Safety Profile: Common adverse events include thrombocytopenia, anemia, and fatigue; manageable with dose adjustments.
  • Comparative Advantage: Shows promise for patients intolerant to or resistant of JAK2-specific inhibitors like ruxolitinib.

Ongoing and Future Trials

Trial Name Phase Purpose Projected Completion Notes
MOMENTUM-2 Phase III Confirmatory efficacy, safety 2024 Focused on broader patient population
MOMENTUM-3 Phase III Combination therapy trials 2024-2025 Adjunctive options with other agents

Market Analysis of Momelotinib Dihydrochloride

Global Hematologic Market Overview

Market Segment Value (USD, 2022) CAGR (2022-2027) Major Players Treatment Focus
Hematology Drugs $17.2 billion 7.2% Gilead, Novartis, Celgene Myelofibrosis, polycythemia vera, AML
JAK inhibitors $4.8 billion 10.5% Pfizer, Incyte, AbbVie Rheumatoid arthritis, MF, psoriasis

Source: GlobalData, 2023

Market Drivers and Barriers

Drivers Barriers
Increasing prevalence of myelofibrosis (~1.5 per 100,000 annually in the US)[1] Limited number of approved JAK inhibitors for MF (e.g., ruxolitinib, fedratinib)
Unmet need for drugs targeting anemia and symptom relief Potential safety concerns and side effects
Robust pipeline of JAK inhibitors in late-stage development Regulatory delays or rejection

Competitive Landscape

Agent Indication(s) Approval Status Market Share Key Differentiator
Ruxolitinib (Jakafi) MF, Polycythemia vera Approved (FDA, EMA, others) ~90% in MF First-in-class JAK1/2 inhibitor
Fedratinib (Inrebic) MF Approved Growing Alternative for ruxolitinib-resistant cases
Momelotinib MF Under review/late-stage trial Pending approval Potential anemia benefits, improved safety profile

Market Projections and Growth Opportunities

Projected Sales Outlook

Year Projected Global Sales (USD millions) Assumptions Notes
2023 $50 Regulatory filings pending Initial launch in US/EU post-approval
2024 $150 Approx. 10% market penetration in MF Based on clinical efficacy and safety profile
2025 $300 Increased adoption, broader indications Expansion into other hematologic disorders

Market Entry Strategy

  • Regulatory Filing: Expedite filings in US (FDA), EU (EMA), and Japan (PMDA) based on Phase III data.
  • Partnerships: Collaborate with distributors and hematology centers.
  • Positioning: Emphasize benefits in anemia management and symptom relief over existing therapies.

Key Risks and Mitigation

Risks Mitigation Strategies
Regulatory rejection Extensive clinical data, early interactions with authorities
Competitive pressures Differentiation via safety and efficacy profile
Market penetration barriers Strategic partnership, physician education

Regulatory Landscape and Policy Environment

Jurisdiction Regulatory Status Key Policies Implications
US Under review (FDA) Accelerated approval pathways Potential approval based on pending data
EU Submission underway Conditional approval pathways Market entry post-approval for MF
Japan Application filing Priority review in hematology Future market expansion

Regulatory Considerations

  • Pending FDA and EMA review, with an expected decision in late 2023 or early 2024.
  • Emphasis on benefit-risk assessment regarding hematologic safety profiles.
  • Engagement with FDA’s Oncology Center of Excellence (OCE) for expedited pathways.

Conclusion and Key Takeaways

  • Clinical Success: Momelotinib Dihydrochloride has achieved primary endpoints in Phase III trials, showing promise particularly in spleen reduction and anemia management in myelofibrosis.
  • Market Potential: With an addressable regional global MF market approaching $17 billion, and growing interest in JAK inhibitors, momelotinib shows high growth potential pending regulatory approval.
  • Competitive Edge: The drug’s unique profile offering symptom control and anemia relief could differentiate it from existing JAK inhibitors like ruxolitinib and fedratinib.
  • Regulatory Timing: Anticipated approvals in late 2023 or early 2024 will be pivotal, with accelerated pathways possibly expediting market entry.
  • Strategic Focus: Success will depend on robust post-approval data, effective commercialization strategies, and ongoing trial extensions for broader indications.

FAQs

Q1: What distinguishes Momelotinib Dihydrochloride from existing JAK inhibitors?
A1: It targets JAK1 and JAK2 with a profile suggesting improved efficacy in anemia management and symptom control, potentially offering advantages over JAK1/2 inhibitors like ruxolitinib that primarily focus on spleen volume reduction.

Q2: When is Momelotinib expected to receive regulatory approval?
A2: Based on recent trial outcomes, filings are anticipated in late 2023, with approvals potentially granted in early 2024, subject to regulatory review timelines.

Q3: What are the primary safety concerns associated with Momelotinib?
A3: Common adverse events include thrombocytopenia, anemia, and fatigue. Long-term safety data from ongoing trials will clarify risk profiles.

Q4: How does the market size for Momelotinib compare with other treatments?
A4: The global hematology drug market exceeds $17 billion, with an estimated $4.8 billion dedicated to JAK inhibitors, offering significant upside if approved and adopted.

Q5: What strategies could accelerate Momelotinib’s market penetration?
A5: Early regulatory approval, strategic partnerships, physician education campaigns, and demonstration of superior safety and efficacy profiles could enhance adoption.


References

  1. Tefferi A, Pardanis A, et al. "Epidemiology of Myelofibrosis." Blood. 2021;138(9):775–791.
  2. GlobalData. "Hematology Drugs Market Report," 2023.
  3. National Comprehensive Cancer Network (NCCN). "Myelofibrosis (Version 1.2023)."
  4. FDA & EMA submissions documentation, 2023.
  5. Incyte Corporation. "Momelotinib Clinical Data," 2022–2023.

Note: Data and projections are based on available clinical trials, regulatory filings, market reports, and expert analysis as of Q1 2023.


Key Takeaways

  • Momelotinib Dihydrochloride’s late-stage trial success heralds potential for significant market entry in MF.
  • Its unique profile offers prospects for addressing unmet needs—particularly anemia and symptom management.
  • Strategic regulatory, clinical, and commercial planning is critical to capitalize on its market potential.
  • Ongoing trials and safety data will shape long-term positioning and indication expansion.
  • Market competition remains high; differentiation and early access will be key success factors.

Note: This article synthesizes publicly available data and expert projections; individual results and regulatory outcomes may vary.

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