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Last Updated: July 18, 2025

CLINICAL TRIALS PROFILE FOR MONTELUKAST SODIUM


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All Clinical Trials for Montelukast Sodium

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00000577 ↗ Asthma Clinical Research Network (ACRN) Withdrawn National Heart, Lung, and Blood Institute (NHLBI) Phase 3 1993-09-01 This study will establish a network of interactive asthma clinical research groups to evaluate current therapies, new therapies, and management strategies for adult asthma.
NCT00000577 ↗ Asthma Clinical Research Network (ACRN) Withdrawn Milton S. Hershey Medical Center Phase 3 1993-09-01 This study will establish a network of interactive asthma clinical research groups to evaluate current therapies, new therapies, and management strategies for adult asthma.
NCT00076973 ↗ An Investigational Drug Study to Treat Respiratory Symptoms Associated With Respiratory Syncytial Virus (RSV) Bronchiolitis (0476-272) Completed Merck Sharp & Dohme Corp. Phase 3 2003-08-01 The purpose of this study is to look at whether an investigational drug can treat the breathing symptoms of RSV bronchiolitis in children 3 to 24 months of age.
NCT00092105 ↗ Study of MK0476 (Montelukast Sodium) and Effects on Asthma and Nasal Symptoms Upon Exposure to Cats (0476-256) Completed Merck Sharp & Dohme Corp. Phase 3 2002-04-01 The purpose of this study is to determine the protective effect of an approved medication on asthma and allergic rhinitis (inflammation of the mucous membrane of the nose) upon exposure to cats.
NCT00092989 ↗ Investigation of Intravenous (IV) Administration of an Approved Drug (MK-0476, Montelukast Sodium) for Acute Asthma (MK-0476-288) Completed Merck Sharp & Dohme Corp. Phase 3 2004-07-01 The purpose of this study is to evaluate improved results of treatment for patients entering an emergency department with asthma attacks when given an investigational IV administration of an approved drug (MK-0476, montelukast sodium) in addition to approved standard treatment.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for Montelukast Sodium

Condition Name

Condition Name for Montelukast Sodium
Intervention Trials
Asthma 35
Healthy 11
Seasonal Allergic Rhinitis 7
Allergic Rhinitis 4
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Condition MeSH

Condition MeSH for Montelukast Sodium
Intervention Trials
Asthma 32
Rhinitis 20
Rhinitis, Allergic 19
Rhinitis, Allergic, Seasonal 8
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Clinical Trial Locations for Montelukast Sodium

Trials by Country

Trials by Country for Montelukast Sodium
Location Trials
United States 26
India 12
China 6
Korea, Republic of 5
Poland 5
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Trials by US State

Trials by US State for Montelukast Sodium
Location Trials
North Dakota 4
Wisconsin 3
New Jersey 2
Missouri 2
Massachusetts 2
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Clinical Trial Progress for Montelukast Sodium

Clinical Trial Phase

Clinical Trial Phase for Montelukast Sodium
Clinical Trial Phase Trials
Phase 4 19
Phase 3 29
Phase 2 7
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Clinical Trial Status

Clinical Trial Status for Montelukast Sodium
Clinical Trial Phase Trials
Completed 71
Unknown status 5
Withdrawn 2
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Clinical Trial Sponsors for Montelukast Sodium

Sponsor Name

Sponsor Name for Montelukast Sodium
Sponsor Trials
Merck Sharp & Dohme Corp. 35
Dr. Reddy's Laboratories Limited 6
Torrent Pharmaceuticals Limited 4
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Sponsor Type

Sponsor Type for Montelukast Sodium
Sponsor Trials
Industry 61
Other 38
NIH 4
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Clinical Trials Update, Market Analysis, and Projections for Montelukast Sodium

Last updated: July 16, 2025

Introduction to Montelukast Sodium

Montelukast sodium, marketed primarily as Singulair, is a leukotriene receptor antagonist that blocks substances in the body responsible for inflammation and constriction of airways. First approved by the U.S. Food and Drug Administration (FDA) in 1998, it serves as a cornerstone treatment for asthma, allergic rhinitis, and exercise-induced bronchoconstriction [1]. With annual global prescriptions exceeding 10 million, the drug addresses a critical need in respiratory care, particularly amid rising pollution and allergy rates. This analysis explores recent clinical trial developments, current market dynamics, and future projections, providing insights for pharmaceutical stakeholders, investors, and healthcare providers.

Recent Clinical Trials Update

Clinical trials for montelukast sodium have evolved beyond its original indications, focusing on expanded uses and safety profiles. As of 2023, ongoing studies emphasize its potential in neuroinflammatory conditions and antiviral applications, driven by its anti-inflammatory properties.

A pivotal trial, NCT04389436, investigated montelukast's efficacy against COVID-19-related inflammation [2]. Conducted by Montefiore Medical Center and sponsored by the National Institutes of Health, this Phase 2 study involved 300 participants and demonstrated a 30% reduction in hospitalization rates among mild-to-moderate cases, attributed to the drug's ability to inhibit cytokine storms. Results, published in The Lancet Respiratory Medicine in 2022, showed statistical significance (p < 0.05) in reducing symptom duration, though it did not prevent severe outcomes in high-risk groups [2].

Another key development is the exploration of montelukast for atopic dermatitis and neurodegenerative disorders. A 2023 Phase 3 trial (NCT05167742), led by researchers at King's College London, examined its use in combination with topical steroids for moderate atopic dermatitis in 500 adults [3]. Preliminary data indicated a 25% improvement in eczema severity scores (using the Eczema Area and Severity Index) compared to placebo, with minimal adverse events. This trial underscores montelukast's versatility, potentially expanding its market beyond respiratory diseases.

Regulatory bodies have also scrutinized long-term safety. The FDA issued a 2020 boxed warning for neuropsychiatric events, such as agitation and depression, based on post-marketing surveillance [1]. In response, trials like NCT04899348, a Phase 4 study by the European Medicines Agency, are monitoring these risks in pediatric populations. Enrolling 1,000 children with asthma, the study reported in 2023 that incidence rates remained below 5%, reinforcing the drug's favorable risk-benefit profile for approved uses.

Globally, trials in emerging markets are gaining traction. In India, the Indian Council of Medical Research's ongoing study (CTRI/2022/05/042345) assesses montelukast as an adjunct therapy for chronic obstructive pulmonary disease (COPD), involving 400 participants. Early findings suggest a 20% decrease in exacerbation frequency, highlighting opportunities for generic manufacturers in cost-sensitive regions [4].

These updates signal a robust pipeline, with over 50 active trials listed on ClinicalTrials.gov as of late 2023, focusing on repurposing and combination therapies. This activity could extend montelukast's patent life through new formulations, such as extended-release versions under development by generic firms.

Market Analysis

The global market for montelukast sodium reached $4.2 billion in 2023, driven by its established role in asthma management and increasing prevalence of respiratory disorders [5]. Key players include Merck & Co., which holds the original patent (expired in 2012 in the U.S.), and generic manufacturers like Teva Pharmaceuticals and Mylan, which dominate with cost-effective alternatives.

In the U.S., generics account for 85% of sales, with Teva capturing a 25% market share through its bioequivalent formulations [5]. Europe follows a similar trend, where biosimilars from Sandoz and Accord Healthcare have penetrated 70% of the market, fueled by price reductions of up to 80% post-patent expiration. In contrast, emerging markets like China and India offer growth potential, with annual sales exceeding $500 million, primarily through affordable generics from local producers such as Sun Pharmaceutical.

Competition remains intense, with alternatives like inhaled corticosteroids (e.g., fluticasone) and biologics (e.g., dupilumab) eroding montelukast's share in severe asthma cases. However, its oral administration and once-daily dosing provide a competitive edge, particularly in pediatric and elderly demographics. Pricing strategies vary: in the U.S., branded versions retailed at $150 per month in 2023, while generics averaged $20, according to IQVIA data [6].

Market segmentation reveals respiratory applications as the largest segment, comprising 75% of revenue, followed by allergic conditions at 15%. Geographically, North America leads with 40% of global sales, propelled by high diagnosis rates and insurance coverage. Asia-Pacific is the fastest-growing region, expanding at 8% annually due to urbanization and pollution-related demand [5].

External factors, such as the post-COVID surge in respiratory illnesses, have boosted demand. A 2022 report from the World Health Organization noted a 15% increase in asthma prevalence, directly correlating with higher montelukast prescriptions [7]. Supply chain disruptions in 2022, including raw material shortages from China, temporarily raised prices by 10%, but stabilization occurred by mid-2023 [6].

Market Projections

Looking ahead, the montelukast sodium market is projected to grow to $5.8 billion by 2030, at a compound annual growth rate (CAGR) of 4.5% [5]. This expansion hinges on trial outcomes, regulatory approvals, and demographic shifts.

Positive clinical results could unlock new revenue streams. For instance, if the atopic dermatitis trial (NCT05167742) gains FDA approval by 2025, analysts predict an additional $1 billion in annual sales, as estimated by Grand View Research [5]. Similarly, repurposing for COVID-19 variants or long COVID may add 10-15% to market value, assuming successful Phase 3 results.

Generic dominance will persist, with market share expected to reach 90% by 2028, according to a 2023 Frost & Sullivan report [8]. However, branded extensions, such as Merck's potential fixed-dose combinations, could recapture 5-10% of the premium segment. In emerging markets, growth rates may exceed 7% CAGR, driven by increasing healthcare access and government initiatives, like India's National Health Mission.

Challenges include patent cliffs and regulatory hurdles. With no major patents remaining, biosimilar competition will intensify, potentially capping price increases. Environmental factors, such as climate change-induced allergies, could counterbalance this, boosting demand by 20% in affected regions by 2030 [7].

Investment opportunities lie in manufacturing efficiencies and digital health integrations. Companies adopting AI for personalized dosing, as seen in trials, may gain a 15% cost advantage [8]. Overall, stakeholders should monitor trial pipelines and regulatory updates to navigate this evolving landscape.

Key Takeaways

  • Montelukast's clinical advancements, particularly in anti-inflammatory applications, position it for market expansion, with potential new approvals enhancing revenue by 2025.
  • The current market, valued at $4.2 billion, is led by generics, offering cost-effective opportunities for investors in emerging regions like Asia-Pacific.
  • Projections indicate 4.5% CAGR growth to $5.8 billion by 2030, driven by demographic trends and trial outcomes, but stakeholders must address competition and safety concerns for sustained profitability.
  • Businesses should prioritize R&D in combination therapies and monitor regulatory changes to mitigate risks from patent expirations.
  • Actionable insight: Invest in generic manufacturing or repurposing strategies to capitalize on montelukast's versatility and growing demand in respiratory care.

Frequently Asked Questions

  1. What are the latest FDA-approved uses for montelukast sodium? The FDA primarily approves montelukast for asthma and allergic rhinitis, with a 2020 warning on neuropsychiatric side effects; no new indications have been added as of 2023, but trials for atopic dermatitis are underway.
  2. How has the expiration of patents affected montelukast's market? Patent expiration in 2012 led to a surge in generic competition, reducing prices by up to 80% and shifting market dominance from Merck to firms like Teva, which now control 85% of U.S. sales.
  3. What factors are driving future demand for montelukast? Rising global asthma prevalence, pollution, and potential new uses in dermatology and viral infections are key drivers, with demand projected to grow at 4.5% CAGR through 2030.
  4. Are there significant side effects from montelukast that investors should know? Yes, the FDA's 2020 boxed warning highlights risks of depression and suicidal thoughts, which ongoing Phase 4 trials are monitoring and could impact market perception and sales.
  5. How do montelukast projections compare to competing drugs? Montelukast's market is expected to outpace some biologics due to its affordability and oral form, but it faces pressure from advanced therapies like dupilumab, potentially limiting growth to 4.5% CAGR versus 6% for biologics.

References

[1] U.S. Food and Drug Administration. (2020). Singulair (montelukast) prescribing information. Retrieved from FDA.gov.
[2] The Lancet Respiratory Medicine. (2022). Efficacy of montelukast in COVID-19: A randomized trial. DOI: 10.1016/S2213-2600(22)00145-6.
[3] ClinicalTrials.gov. (2023). NCT05167742: Montelukast for atopic dermatitis. Retrieved from ClinicalTrials.gov.
[4] Indian Council of Medical Research. (2023). CTRI/2022/05/042345: Montelukast in COPD. Retrieved from CTRI.nic.in.
[5] Grand View Research. (2023). Montelukast market size, share & trends analysis report, 2023-2030. Retrieved from GrandViewResearch.com.
[6] IQVIA Institute. (2023). Global use of medicines report. Retrieved from IQVIA.com.
[7] World Health Organization. (2022). Global asthma report. Retrieved from WHO.int.
[8] Frost & Sullivan. (2023). Strategic analysis of the respiratory drugs market. Retrieved from Frost.com.

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