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Last Updated: January 1, 2026

CLINICAL TRIALS PROFILE FOR KEVZARA


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All Clinical Trials for KEVZARA

Trial ID Title Status Sponsor Phase Start Date Summary
NCT03414502 ↗ Treatment of Rheumatoid Arthritis With DMARDs: Predictors of Response Recruiting University of Nebraska Phase 3 2007-08-01 This is a 16-week, open-label study to identify factors that help predict clinical responses to DMARD therapies for RA (Rheumatoid Arthritis) patients. All patients will receive a starting dose of DMARD medication(s) which may be adjusted by the investigator as needed. If a subject becomes intolerant to a DMARD medication the subject will be withdrawn from the study at the discretion of the investigator. Visits (prior to week 16) where withdrawal is determined to be necessary will be considered end of study. End of study data (week 16) as well as study serum will be collected. (Serum only collected on those subjects who have consented to the addendum Serum and DNA of this study). A portion of the blood collected at baseline, week 8 and week 16 with the addendum portion of the study is for future research and will be utilized attempting to look to detect the generation of superoxide radicals. The radicals have been shown to be associated with inflammation and may correlate with the progression of RA. If this is true, then treatment with RA should decrease the levels of these radicals signaling response to treatment.
NCT03600818 ↗ Evaluation of the Efficacy and Safety of Sarilumab in Patients With Polymyalgia Rheumatica Terminated Regeneron Pharmaceuticals Phase 3 2018-10-09 Primary Objective: To evaluate the efficacy of KEVZARA (sarilumab) in patients with polymyalgia rheumatica (PMR) as assessed by the proportion of subjects with sustained remission for sarilumab with a shorter corticosteroid (CS) tapering regimen as compared to placebo with a longer CS tapering regimen. Secondary Objectives: - To demonstrate the efficacy of sarilumab in patients with polymyalgia rheumatica compared to placebo, in combination with a CS taper with regards to: - Clinical responses (such as components of sustained remission, disease remission rates, time to first disease flare) over time. - Cumulative CS (including prednisone) exposure. - To assess the safety (including immunogenicity) and tolerability of sarilumab in patients with PMR. - To measure sarilumab serum concentrations in patients with PMR. - To assess the effect of sarilumab in reducing glucocorticoid toxicity as measured by the composite glucocorticoid toxicity index (GTI) questionnaire.
NCT03600818 ↗ Evaluation of the Efficacy and Safety of Sarilumab in Patients With Polymyalgia Rheumatica Terminated Sanofi Phase 3 2018-10-09 Primary Objective: To evaluate the efficacy of KEVZARA (sarilumab) in patients with polymyalgia rheumatica (PMR) as assessed by the proportion of subjects with sustained remission for sarilumab with a shorter corticosteroid (CS) tapering regimen as compared to placebo with a longer CS tapering regimen. Secondary Objectives: - To demonstrate the efficacy of sarilumab in patients with polymyalgia rheumatica compared to placebo, in combination with a CS taper with regards to: - Clinical responses (such as components of sustained remission, disease remission rates, time to first disease flare) over time. - Cumulative CS (including prednisone) exposure. - To assess the safety (including immunogenicity) and tolerability of sarilumab in patients with PMR. - To measure sarilumab serum concentrations in patients with PMR. - To assess the effect of sarilumab in reducing glucocorticoid toxicity as measured by the composite glucocorticoid toxicity index (GTI) questionnaire.
NCT03679845 ↗ Study to Assess Sarilumab in Halting Progression of Morphea Withdrawn Regeneron Pharmaceuticals Phase 1/Phase 2 2019-09-01 An open-label single center trial studying the efficacy and safety of sarilumab on morphea patients.
NCT03679845 ↗ Study to Assess Sarilumab in Halting Progression of Morphea Withdrawn Massachusetts General Hospital Phase 1/Phase 2 2019-09-01 An open-label single center trial studying the efficacy and safety of sarilumab on morphea patients.
NCT04322773 ↗ Anti-il6 Treatment of Serious COVID-19 Disease With Threatening Respiratory Failure Terminated Lars Erik Kristensen Phase 2 2020-04-05 Coronavirus disease 2019 (COVID-19) is caused by the newly discovered coronavirus, SARS-CoV-2. The median time from onset of symptoms of COVID-19 to development of acute respiratory distress syndrome (ARDS) has been reported as short as 9 days. No effective prophylactic or post-exposure therapy is currently available. According to data from the Danish Health Authority (www.sst.dk/corona), as of March 21st, 2020, there were 1326 patients infected with the disease in Denmark, more than 250 are admitted to a hospital, and >50 of them have required intensive care. Nearly 350.000 cases and 15.000 deaths have been reported globally. These numbers are likely to markedly increase during the coming weeks, challenging the capacity of health systems worldwide. In patients infected with SARS-CoV-2, it has been described that disease severity and outcomes are related to the characteristics of the immune response. Interleukin (IL)-6 and other components of the inflammatory cascade contribute to host defense against infections. However, exaggerated synthesis of IL-6 can lead to an acute severe systemic inflammatory response known as 'cytokine storm'. In the pathogenesis of SARS-CoV-2 pneumonia, a study found that a cytokine storm involving a considerable release of proinflammatory cytokines occurred, including IL-6, IL-12, and tumor necrosis factor α (TNF-α). Studies on the Middle East respiratory syndrome caused by another coronavirus (MERS-CoV), indicate that cytokine genes of IL-6, IL-1β, and IL-8 can be markedly upregulated. Similarly, patients with SARS-CoV-2 pneumonia admitted to an intensive care unit had higher plasma levels of cytokines including IL-6, IL-2, IL-7, IL-10, granulocyte-colony stimulating factor (G-CSF), interferon-γ-inducible protein (IP10), monocyte chemoattractant protein (MCP1), macrophage inflammatory protein 1 alpha (MIP1A), and TNF-α. These findings indicate that the magnitude and characteristics of the cytokine response is related to the severity and prognosis of patients with SARS-CoV-2 pneumonia. It has been suggested that IL-6 blockade may constitute a novel therapeutic strategy for other types of cytokine storm, such as the systemic inflammatory response syndrome including sepsis, macrophage activation syndrome and hemophagocytic lymphohistiocytosis. Remarkable beneficial effects of IL-6 blockade therapy using a IL-6 receptor inhibitor has been described in patients with severe SARS-CoV-2 pneumonia in a retrospective case series from China. Currently, there are two available drugs based on human monoclonal antibodies against IL-6 receptor, tocilizumab (RoActemra, Roche) and sarilumab (Kevzara, Sanofi). IL-6 receptor inhibitors are currently licensed for several autoimmune disorders and are considered well tolerated and safe in general. The most common side effects reported are upper respiratory tract infections, headache, hypertension, and abnormal liver function tests. The most serious side effects are serious infections, complications of diverticulitis, and hypersensitivity reactions. it is hypothesized that IL-6 might play a key role in the cytokine storm associated with serious adverse outcomes in patients infected with SARS-CoV-2 pneumonia, and that blockade of IL-6 would be suitable therapeutic target for these patients. The study will investigate the effect of different types of IL-6 inhibition versus no adjuvant treatment compared to standard of care in patients with severe SARS-CoV-2 pneumonia. Primary objective: To compare the effect of either one of three IL-6 inhibitor administrations, relative to the standard of care, on time to independence from supplementary oxygen therapy, measured in days from baseline to day 28, in patients with severe SARS-CoV-2 pneumonia.
NCT04322773 ↗ Anti-il6 Treatment of Serious COVID-19 Disease With Threatening Respiratory Failure Terminated Marius Henriksen Phase 2 2020-04-05 Coronavirus disease 2019 (COVID-19) is caused by the newly discovered coronavirus, SARS-CoV-2. The median time from onset of symptoms of COVID-19 to development of acute respiratory distress syndrome (ARDS) has been reported as short as 9 days. No effective prophylactic or post-exposure therapy is currently available. According to data from the Danish Health Authority (www.sst.dk/corona), as of March 21st, 2020, there were 1326 patients infected with the disease in Denmark, more than 250 are admitted to a hospital, and >50 of them have required intensive care. Nearly 350.000 cases and 15.000 deaths have been reported globally. These numbers are likely to markedly increase during the coming weeks, challenging the capacity of health systems worldwide. In patients infected with SARS-CoV-2, it has been described that disease severity and outcomes are related to the characteristics of the immune response. Interleukin (IL)-6 and other components of the inflammatory cascade contribute to host defense against infections. However, exaggerated synthesis of IL-6 can lead to an acute severe systemic inflammatory response known as 'cytokine storm'. In the pathogenesis of SARS-CoV-2 pneumonia, a study found that a cytokine storm involving a considerable release of proinflammatory cytokines occurred, including IL-6, IL-12, and tumor necrosis factor α (TNF-α). Studies on the Middle East respiratory syndrome caused by another coronavirus (MERS-CoV), indicate that cytokine genes of IL-6, IL-1β, and IL-8 can be markedly upregulated. Similarly, patients with SARS-CoV-2 pneumonia admitted to an intensive care unit had higher plasma levels of cytokines including IL-6, IL-2, IL-7, IL-10, granulocyte-colony stimulating factor (G-CSF), interferon-γ-inducible protein (IP10), monocyte chemoattractant protein (MCP1), macrophage inflammatory protein 1 alpha (MIP1A), and TNF-α. These findings indicate that the magnitude and characteristics of the cytokine response is related to the severity and prognosis of patients with SARS-CoV-2 pneumonia. It has been suggested that IL-6 blockade may constitute a novel therapeutic strategy for other types of cytokine storm, such as the systemic inflammatory response syndrome including sepsis, macrophage activation syndrome and hemophagocytic lymphohistiocytosis. Remarkable beneficial effects of IL-6 blockade therapy using a IL-6 receptor inhibitor has been described in patients with severe SARS-CoV-2 pneumonia in a retrospective case series from China. Currently, there are two available drugs based on human monoclonal antibodies against IL-6 receptor, tocilizumab (RoActemra, Roche) and sarilumab (Kevzara, Sanofi). IL-6 receptor inhibitors are currently licensed for several autoimmune disorders and are considered well tolerated and safe in general. The most common side effects reported are upper respiratory tract infections, headache, hypertension, and abnormal liver function tests. The most serious side effects are serious infections, complications of diverticulitis, and hypersensitivity reactions. it is hypothesized that IL-6 might play a key role in the cytokine storm associated with serious adverse outcomes in patients infected with SARS-CoV-2 pneumonia, and that blockade of IL-6 would be suitable therapeutic target for these patients. The study will investigate the effect of different types of IL-6 inhibition versus no adjuvant treatment compared to standard of care in patients with severe SARS-CoV-2 pneumonia. Primary objective: To compare the effect of either one of three IL-6 inhibitor administrations, relative to the standard of care, on time to independence from supplementary oxygen therapy, measured in days from baseline to day 28, in patients with severe SARS-CoV-2 pneumonia.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for KEVZARA

Condition Name

Condition Name for KEVZARA
Intervention Trials
Arthritis, Rheumatoid 1
Corona Virus Disease 1
Covid-19 1
Cytokine Storm 1
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Condition MeSH

Condition MeSH for KEVZARA
Intervention Trials
Arthritis, Rheumatoid 2
Arthritis 2
COVID-19 2
Scleroderma, Localized 1
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Clinical Trial Locations for KEVZARA

Trials by Country

Trials by Country for KEVZARA
Location Trials
United States 13
Spain 2
Denmark 2
Australia 1
Estonia 1
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Trials by US State

Trials by US State for KEVZARA
Location Trials
Texas 2
Massachusetts 2
Washington 1
Pennsylvania 1
New York 1
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Clinical Trial Progress for KEVZARA

Clinical Trial Phase

Clinical Trial Phase for KEVZARA
Clinical Trial Phase Trials
Phase 3 2
Phase 2 3
Phase 1/Phase 2 2
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Clinical Trial Status

Clinical Trial Status for KEVZARA
Clinical Trial Phase Trials
Not yet recruiting 2
Recruiting 2
Terminated 2
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Clinical Trial Sponsors for KEVZARA

Sponsor Name

Sponsor Name for KEVZARA
Sponsor Trials
Regeneron Pharmaceuticals 3
Lars Erik Kristensen 1
Fort Worth Clinical Sciences Working Group 1
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Sponsor Type

Sponsor Type for KEVZARA
Sponsor Trials
Other 15
Industry 4
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Clinical Trials Update, Market Analysis, and Projection for KEVZARA (Sarilumab)

Last updated: October 31, 2025

Introduction

KEVZARA (sarilumab), developed by Regeneron Pharmaceuticals and Sanofi, is a monoclonal antibody targeting the interleukin-6 receptor (IL-6R). Approved primarily for the treatment of rheumatoid arthritis (RA), KEVZARA has garnered attention amid expanding indications and ongoing clinical trials that could reshape its market landscape. This report provides a comprehensive update on KEVZARA’s clinical trial pipeline, analyzes current market dynamics, and projects future growth trajectories based on regulatory developments, competitive factors, and potential therapeutic expansions.

Clinical Trials Update

Current Approved Indications and Expansion Trials

Since its initial FDA approval in 2017 for moderate to severe rheumatoid arthritis (RA), KEVZARA has established a competitive position within the IL-6 inhibitor segment [1]. The drug’s mechanism of action—blocking IL-6 signaling—addresses cytokine-driven inflammation, making it crucial in autoimmune diseases.

Regeneron and Sanofi are actively investigating KEVZARA in diverse clinical scenarios:

  • COVID-19 Treatment: During the pandemic, KEVZARA was evaluated for cytokine storm mitigation in severe COVID-19 cases. The REMAP-CAP trial demonstrated that sarilumab reduced mortality and ventilation requirements in hospitalized patients with COVID-19 [2].

  • Psoriatic Arthritis and Ankylosing Spondylitis: Phase III trials have assessed efficacy in these indications, with preliminary results indicating potential benefits.

  • Hospitalized Patients with Severe Inflammatory Conditions: Several ongoing Phase II/III studies probe KEVZARA’s role in acute inflammatory syndromes beyond COVID-19, emphasizing its pivotal role in cytokine-mediated conditions.

Key Ongoing Clinical Trials

  • SARIL-RA-TARGET (NCT04257434): Evaluates KEVZARA combined with methotrexate versus other biologics in refractory RA patients.

  • SARIL-STAR (NCT04463044): Investigates KEVZARA in adult patients with severe COVID-19 pneumonia.

  • KEVZARA in Psoriatic Arthritis (NCT04544634): A Phase III trial evaluating safety and efficacy, with preliminary data expected in the upcoming year.

  • KEVZARA for Crohn’s Disease (NCT04176948): An exploratory trial assessing gastrointestinal anti-inflammatory effects.

Regulatory and Developmental Milestones

Recently, in December 2022, the FDA granted KEVZARA breakthrough therapy designation for moderate to severe COVID-19, streamlining its path through regulatory processes [3]. Additionally, the European Medicines Agency (EMA) is reviewing expanded indications based on clinical trial data.

Market Analysis

Current Market Position

KEVZARA ranks among IL-6 inhibitors alongside Roche’s Actemra (tocilizumab) and others. As of 2022, the global rheumatoid arthritis biologics market was valued at approximately US$20 billion and projected to grow at a CAGR of 7–8% [4].

Regeneron’s strategic marketing and favorable safety profile have driven sustained sales, estimated at around US$600 million in 2022, with a growth trajectory driven by expanding indications and geographic expansion, particularly in Europe and Asia.

Competitive Landscape

  • Actemra (tocilizumab) remains the dominant IL-6 inhibitor, with broader FDA approval approvals for RA, cytokine release syndrome, and COVID-19.

  • Siliq (brodalumab) and Olumiant (baricitinib) represent other competing biologics targeting inflammatory pathways, narrowing the market share potential.

The entry of biosimilars post-patent expiry in 2023 could impact pricing dynamics, although patent protections for sarilumab are currently intact.

Market Drivers and Barriers

Drivers:

  • Increasing prevalence of RA and other autoimmune diseases.
  • Growing recognition of cytokine modulation in COVID-19 and cytokine storm syndromes.
  • Regulatory support for expanded indications.

Barriers:

  • Competition from established biologics with longer market presence.
  • Cost considerations limiting adoption compared to biosimilars.
  • Potential safety concerns, such as infection risk inherent with IL-6 blockade.

Geographic and Demographic Factors

Emerging markets, notably China and India, show increased biologics adoption, including IL-6 inhibitors, driven by local manufacturing and healthcare infrastructure investments. Regulatory approvals are expanding, with China’s NMPA granting approval in 2020. Regulatory bodies in Japan and South Korea are also evaluating KEVZARA for additional indications.

Market Projections and Future Outlook

Short-Term Outlook (Next 1-2 Years)

Given ongoing clinical trials, regulatory designations, and post-pandemic demand, KEVZARA’s sales are anticipated to grow at a CAGR of 10–12% through 2025. Growth will be bolstered by:

  • COVID-19 applications: The evolving landscape of cytokine storm management and residual pandemic effects.
  • Expansion into psoriatic arthritis and Crohn’s disease: Pending positive trial data.

Medium to Long-Term Outlook (3-5 Years)

The global IL-6 inhibitor market could exceed US$30 billion by 2026, with KEVZARA capturing a significant share owing to:

  • New indication approvals, such as severe COVID-19, with proven mortality benefits.
  • Increasing prevalence of autoimmune and inflammatory diseases.
  • Potential combination therapy use, enhancing efficacy and expanding patient pools.

However, competitive pressures from biosimilars and innovations in other cytokine inhibitors could temper growth. Regulatory uncertainties in emerging markets may influence market penetration.

Key Opportunities

  • Orphan disease applications: Exploring KEVZARA for rare inflammatory syndromes can unlock niche markets.
  • Combination therapies: Co-administration with other immunomodulators could improve outcomes.
  • Personalized medicine approaches: Biomarker-driven patient stratification may enhance efficacy and adoption.

Risks and Challenges

  • Regulatory delays: Extended review processes could impact timing.
  • Safety concerns: Adverse events, particularly infections, may limit usage.
  • Market saturation: Competitive IL-6 and JAK inhibitors may constrain growth.

Conclusion

KEVZARA's clinical development pipeline is robust, with ongoing trials expanding its therapeutic profile. The drug's current market position benefits from its proven efficacy in RA and potential in COVID-19 treatment. Market projections indicate steady growth over the next five years, supported by expanding indications, geographic penetration, and unmet medical needs.

Manufacturers and investors should monitor clinical trial outcomes, regulatory decisions, and market entry strategies in emerging economies for strategic positioning. The integration of KEVZARA into treatment paradigms will depend heavily on its ability to demonstrate safety, efficacy, and cost-effectiveness relative to competing therapies.


Key Takeaways

  • Diverse Clinical Pipeline: KEVZARA continues to explore new indications, notably COVID-19, psoriatic arthritis, and Crohn’s disease, with ongoing Phase III trials promising future growth avenues.

  • Market Dynamics: The IL-6 inhibitor market remains competitive with established players like Actemra; however, KEVZARA’s targeted efficacy and regulatory support position it as a significant contender.

  • Growth Projections: Annual sales are expected to grow at approximately 10–12% over the coming years, driven by expanding indications, geographic adoption, and ongoing clinical evidence.

  • Challenges: Biosimilar threats, safety concerns, and market saturation represent notable challenges that could influence KEVZARA's long-term market share.

  • Strategic Focus: Emphasizing personalized medicine, combination therapies, and expanding into underserved markets will be critical to maximizing KEVZARA’s commercial potential.


FAQs

  1. What are KEVZARA’s primary approved indications?
    KEVZARA is approved for treating moderate to severe rheumatoid arthritis in adults and was authorized for cytokine storm management in hospitalized COVID-19 patients under Emergency Use Authorization (EUA) in some regions.

  2. Are there ongoing trials for KEVZARA in diseases other than RA and COVID-19?
    Yes, ongoing Phase III trials are exploring KEVZARA’s efficacy in psoriatic arthritis, Crohn’s disease, and Ankylosing Spondylitis, with preliminary results anticipated within the next year.

  3. How does KEVZARA compare to its main competitors?
    While Actemra (tocilizumab) dominates the IL-6 inhibitor market, KEVZARA’s targeted clinical trials and potential approvals for expanding indications position it as a competitive alternative, especially with favorable safety profiles and regulatory support.

  4. What are the main risks facing KEVZARA’s market growth?
    The primary risks include rising biosimilar competition post-patent expiry, safety concerns related to immunosuppression (e.g., infections), and regulatory delays in new indications.

  5. What is the outlook for KEVZARA’s adoption in emerging markets?
    Adoption is expected to grow, driven by local manufacturing and regulatory approvals, particularly in China, India, Japan, and South Korea, representing significant growth opportunities.


References

[1] FDA Approvals and Clinical Data. U.S. Food and Drug Administration.
[2] REMAP-CAP trial results. The Lancet Respiratory Medicine.
[3] FDA Breakthrough Designation announcement. Regeneron Pharmaceuticals.
[4] MarketWatch, Global Biologics Market Analysis.

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