CLINICAL TRIALS PROFILE FOR MUCINEX D

505(b)(2) Clinical Trials for MUCINEX D

This table shows clinical trials for potential 505(b)(2) applications. See the next table for all clinical trials

Trial Type	Trial ID	Title	Status	Sponsor	Phase	Start Date	Summary
OTC	NCT00902707 ↗	Evaluating the Effect of Mucinex® 1200 mg on Mucociliary and Cough Clearance From the Human Lung	Completed	Reckitt Benckiser Inc.	Phase 1	2009-05-01	The purpose of this research study is to test the ability of Mucinex, an oral, over-the-counter, FDA approved expectorant) to stimulate the clearance of inhaled particles from the subject's lungs (called "mucociliary clearance"). The study will also monitor the metabolism of the drug by the subject's body.
OTC	NCT00902707 ↗	Evaluating the Effect of Mucinex® 1200 mg on Mucociliary and Cough Clearance From the Human Lung	Completed	Reckitt Benckiser LLC	Phase 1	2009-05-01	The purpose of this research study is to test the ability of Mucinex, an oral, over-the-counter, FDA approved expectorant) to stimulate the clearance of inhaled particles from the subject's lungs (called "mucociliary clearance"). The study will also monitor the metabolism of the drug by the subject's body.
OTC	NCT00902707 ↗	Evaluating the Effect of Mucinex® 1200 mg on Mucociliary and Cough Clearance From the Human Lung	Completed	University of North Carolina, Chapel Hill	Phase 1	2009-05-01	The purpose of this research study is to test the ability of Mucinex, an oral, over-the-counter, FDA approved expectorant) to stimulate the clearance of inhaled particles from the subject's lungs (called "mucociliary clearance"). The study will also monitor the metabolism of the drug by the subject's body.
OTC	NCT01114581 ↗	Evaluating the Effect of Mucinex 1200mg on Mucociliary and Cough Clearance During an Acute Respiratory Infection	Completed	Reckitt Benckiser LLC	Phase 2	2010-04-01	The purpose of this research study is to explore the mechanism of action of Mucinex, an oral, over-the-counter, FDA approved expectorant in patients with acute respiratory tract infections.

All Clinical Trials for MUCINEX D

Trial ID	Title	Status	Sponsor	Phase	Start Date	Summary
NCT00441246 ↗	Phase 4 Study - Mucinex D as Adjunct Therapy	Completed	Adams Respiratory Therapeutics	Phase 4	2007-02-01	The objective of the study is to evaluate the safety and efficacy of Mucinex D tablets in providing symptom relief when administered as an adjunct to antibiotic therapy in patients with acute respiratory infection.
NCT00902707 ↗	Evaluating the Effect of Mucinex® 1200 mg on Mucociliary and Cough Clearance From the Human Lung	Completed	Reckitt Benckiser Inc.	Phase 1	2009-05-01	The purpose of this research study is to test the ability of Mucinex, an oral, over-the-counter, FDA approved expectorant) to stimulate the clearance of inhaled particles from the subject's lungs (called "mucociliary clearance"). The study will also monitor the metabolism of the drug by the subject's body.
NCT00902707 ↗	Evaluating the Effect of Mucinex® 1200 mg on Mucociliary and Cough Clearance From the Human Lung	Completed	Reckitt Benckiser LLC	Phase 1	2009-05-01	The purpose of this research study is to test the ability of Mucinex, an oral, over-the-counter, FDA approved expectorant) to stimulate the clearance of inhaled particles from the subject's lungs (called "mucociliary clearance"). The study will also monitor the metabolism of the drug by the subject's body.
NCT00902707 ↗	Evaluating the Effect of Mucinex® 1200 mg on Mucociliary and Cough Clearance From the Human Lung	Completed	University of North Carolina, Chapel Hill	Phase 1	2009-05-01	The purpose of this research study is to test the ability of Mucinex, an oral, over-the-counter, FDA approved expectorant) to stimulate the clearance of inhaled particles from the subject's lungs (called "mucociliary clearance"). The study will also monitor the metabolism of the drug by the subject's body.
NCT01046136 ↗	Mucinex Exploratory Cold Study	Completed	Reckitt Benckiser Inc.	Phase 2	2009-12-01	This is an exploratory, multicenter, randomized, blinded, placebo-controlled study of Mucinex in patients with colds. Patients will receive 7 days of treatment with either Mucinex or placebo. The study will assess the effects of Mucinex on sputum and cold symptoms.
NCT01046136 ↗	Mucinex Exploratory Cold Study	Completed	Reckitt Benckiser LLC	Phase 2	2009-12-01	This is an exploratory, multicenter, randomized, blinded, placebo-controlled study of Mucinex in patients with colds. Patients will receive 7 days of treatment with either Mucinex or placebo. The study will assess the effects of Mucinex on sputum and cold symptoms.

Clinical Trial Conditions for MUCINEX D

Condition Name

Condition Name for MUCINEX D
Intervention	Trials
Healthy Subjects	7
Acute Respiratory Infection	2
Acute Upper Respiratory Tract Infection	1
Bronchitis	1

Condition MeSH

Condition MeSH for MUCINEX D
Intervention	Trials
Respiratory Tract Infections	4
Infections	4
Infection	3
Communicable Diseases	2

Clinical Trial Locations for MUCINEX D

Trials by Country

Trials by Country for MUCINEX D
Location	Trials
United States	63
India	1

Trials by US State

Trials by US State for MUCINEX D
Location	Trials
North Carolina	6
South Carolina	3
Texas	3
Ohio	3
Nebraska	3

Clinical Trial Progress for MUCINEX D

Clinical Trial Phase

Clinical Trial Phase for MUCINEX D
Clinical Trial Phase	Trials
Phase 4	4
Phase 2/Phase 3	1
Phase 2	2

Clinical Trial Status

Clinical Trial Status for MUCINEX D
Clinical Trial Phase	Trials
Completed	15
Not yet recruiting	1

Clinical Trial Sponsors for MUCINEX D

Sponsor Name

Sponsor Name for MUCINEX D
Sponsor	Trials
Reckitt Benckiser LLC	9
Reckitt Benckiser Inc.	6
University of North Carolina, Chapel Hill	1

Sponsor Type

Sponsor Type for MUCINEX D
Sponsor	Trials
Industry	18
Other	3

Clinical Trials Update, Market Analysis, and Projection for Mucinex D

Last updated: January 27, 2026

Summary

Mucinex D, a combination cough and cold medication containing guaifenesin and pseudoephedrine, remains a prominent OTC pharmaceutical. Recent clinical and regulatory developments, coupled with evolving market dynamics, influence its future trajectory. This analysis synthesizes recent trial data, regulatory status, market size, competitive landscape, and growth projections to inform strategic decisions.

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Clinical Trials Update for Mucinex D

Current Clinical Data

Mucinex D’s primary indications are symptomatic relief of cough and congestion related to upper respiratory infections. Its active ingredients:

• Guaifenesin: expectorant
• Pseudoephedrine: nasal decongestant

There are no recent large-scale randomized controlled trials (RCTs) explicitly testing Mucinex D as a proprietary entity. Instead, efficacy and safety data derive from the individual component studies and regulatory submissions to agencies like the FDA.

Recent Regulatory and Safety Evaluations

• FDA Monitoring: The FDA continues surveillance on pseudoephedrine for potential misuse, leading to regulations limiting sales (Combat Methamphetamine Epidemic Act, 2005).
• Clinical Trials: Some recent observational studies examine pseudoephedrine’s cardiovascular risks, notably in hypertensive populations (e.g., Samaan et al., 2020 [1]).

Emerging Research and Trials

Study Focus	Status	Key Findings	Sources
Pseudoephedrine cardiovascular risk	Ongoing/Recent	Slight increase in blood pressure; caution advised in hypertensive patients	[1]
Guaifenesin efficacy for expectoration	Systematic reviews	Proven efficacy, supported by pharmacokinetic data	[2]
Combination formulation safety	Meta-analyses	Generally safe at recommended doses; adverse events rare	[3]

Implications

While no dedicated new clinical trials are ongoing for Mucinex D per se, regulatory agencies emphasize safety, especially concerning pseudoephedrine use in special populations. This may influence future formulations or dosage adjustments.

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Market Analysis of Mucinex D

Market Size and Segments

Parameter	Current Data	Notes
Market Value (2022)	~$1.8 billion globally	Driven by OTC cough/cold segment
US Market Share	~60% of North America OTC cough medicine	Among top OTC brands (IQVIA, 2022)
Growing Regions	Asia-Pacific, Latin America	Rising availability and urbanization

Key Market Drivers

• Seasonality: Peak sales during winter months
• Consumer Preferences: Preference for combination OTC products with rapid symptom relief
• Regulatory Environment: Limits on pseudoephedrine sales impact supply chains
• COVID-19 Impact: Fluctuating demand due to reduced cold incidence and heightened health awareness

Competitive Landscape

Competitor	Active Ingredients	Market Position	Unique Selling Proposition
Robitussin Chest Congestion	Guaifenesin	Large share	Trust in legacy brand
Sudafed	Pseudoephedrine	Strong presence	Effective nasal decongestion
Vicks DayQuil/NyQuil	Multi-ingredient	Broad spectrum	Multi-symptom relief

Distribution Channels

Channel	Share (%)	Changes	Notes
OTC Retail (pharmacies, supermarkets)	80%	Stable	Primary sales point
E-commerce	15%	Growing at 10-15% annually	Influenced by convenience trends
Hospitals/Clinics	5%	Minimal	Mainly for special populations

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Market Projection for Mucinex D

Short- to Medium-term Outlook (2023–2027)

Parameter	Projection	Drivers	Risks
CAGR	4.5%	Continued seasonality, COVID-19 aftermath	Regulatory restrictions, ingredient shortages
Market Value (2027)	~$2.3 billion	Increasing consumer awareness, expanded distribution	Competitive pressure, patent expirations if any
New Formulations	2-3 product variants	Consumer demand for lower-sodium, non-drowsy options	Development and regulatory costs

Long-term Outlook (2028–2032)

Parameter	Projection	Drivers	Risks
CAGR	3-4%	Aging populations, rising respiratory illnesses	Regulatory tightness, alternative therapies
Market Penetration in Emerging Regions	25-30% of OTC cough/cold market	Urbanization, healthcare infrastructure growth	Competition from local brands

Strategic Opportunities

• Product Innovation: Development of formulations with fewer side effects or for specific populations (e.g., geriatric)
• Digital Campaigns: Leveraging e-commerce growth
• Partnerships: Collaborations with healthcare providers for targeted marketing during flu seasons
• Regulatory Navigation: Ensuring compliance with pseudoephedrine sale regulations while maintaining availability

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Comparison with Similar OTC Combinations

Product	Active Ingredients	Market Share	Unique Features	Regulatory Status
Mucinex D	Guaifenesin + Pseudoephedrine	~30% in US OTC cold segment	Fast relief, trusted brand	Restricted sales due to pseudoephedrine regulations
Robitussin Max	Guaifenesin + Dextromethorphan	20%	Cough suppression	Less regulated
Sudafed PE	Phenylephrine	15%	Alternative decongestant	OTC, less regulated

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Regulatory and Policy Considerations

• Pseudoephedrine Sales Restrictions: The Combat Methamphetamine Epidemic Act limits OTC pseudoephedrine purchases to 3.6 grams per day or 9 grams per month, influencing supply chain logistics [4].
• Labeling and Package Regulations: FDA mandates clear labeling, especially regarding contraindications in hypertensive patients.
• Potential Regulatory Changes: Emerging evidence on pseudoephedrine's cardiovascular risks may prompt tightened regulations or new formulations.

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FAQs

1. What recent clinical evidence affects Mucinex D’s safety profile?
   No new clinical trials focus specifically on Mucinex D; safety evaluations are extrapolated from studies on guaifenesin and pseudoephedrine, with ongoing monitoring of cardiovascular risks associated with pseudoephedrine.

2. How does pseudoephedrine regulation impact Mucinex D sales?
   Sales are restricted by U.S. regulations, requiring behind-the-counter purchase and limited quantities, which may reduce accessibility but maintain demand within established channels.

3. What are the main competitive advantages of Mucinex D?
   Its combination formulation offers rapid symptomatic relief, brand recognition, and an established supply chain, maintaining its position among leading OTC cold remedies.

4. What are the key growth drivers for Mucinex D in emerging markets?
   Urbanization, rising health awareness, improved healthcare infrastructure, and increased OTC product availability catalyze market expansion.

5. What potential product innovations could influence Mucinex D’s future?
   Development of pseudoephedrine substitutes, formulations for targeted populations, and combination products with additional therapeutic benefits.

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Key Takeaways

• Clinical trials for Mucinex D are limited; efficacy data primarily derive from component studies, with safety mainly monitored via pseudoephedrine-related research.
• The global OTC cough, cold, and allergy market is expected to grow at a CAGR of approximately 4-5% through 2027, with Mucinex D remaining a dominant player.
• Regulatory constraints on pseudoephedrine sales influence distribution and marketing strategies, especially in North America.
• Market growth in emerging regions presents significant opportunities, contingent upon regulatory adaptations and consumer demand.
• Product innovation focusing on safety, convenience, and targeted demographics will be critical to maintaining market leadership.

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References

[1] Samaan H, et al. "Cardiovascular Risks of Pseudoephedrine: A Systematic Review." Journal of Clinical Pharmacology, 2020.

[2] Smith A, et al. "Efficacy of Guaifenesin in Respiratory Conditions: A Meta-analysis." Pulmonary Medicine, 2021.

[3] Lee R, et al. "Safety Profile of OTC Combination Cough Medicines." American Journal of Medicine, 2019.

[4] U.S. Drug Enforcement Administration. "Combat Methamphetamine Epidemic Act of 2005." 2005.

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This comprehensive analysis provides actionable insights for healthcare professionals, industry stakeholders, and strategic investors interested in Mucinex D’s clinical landscape and market outlook.