CLINICAL TRIALS PROFILE FOR MUCINEX

505(b)(2) Clinical Trials for Mucinex

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

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.

Clinical Trial Conditions for Mucinex

Condition Name

Condition Name for Mucinex
Intervention	Trials
Healthy Subjects	7
Acute Respiratory Infection	2
Bronchitis	1
Chronic Bronchitis	1

Condition MeSH

Condition MeSH for Mucinex
Intervention	Trials
Respiratory Tract Infections	4
Infections	4
Infection	3
Bronchitis	2

Clinical Trial Locations for Mucinex

Trials by Country

Trials by Country for Mucinex
Location	Trials
United States	63
India	1

Trials by US State

Trials by US State for Mucinex
Location	Trials
North Carolina	6
Kentucky	3
Illinois	3
California	3
South Carolina	3

Clinical Trial Progress for Mucinex

Clinical Trial Phase

Clinical Trial Phase for Mucinex
Clinical Trial Phase	Trials
Phase 4	4
Phase 2/Phase 3	1
Phase 2	2

Clinical Trial Status

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

Clinical Trial Sponsors for Mucinex

Sponsor Name

Sponsor Name for Mucinex
Sponsor	Trials
Reckitt Benckiser LLC	9
Reckitt Benckiser Inc.	6
Adams Respiratory Therapeutics	1

Sponsor Type

Sponsor Type for Mucinex
Sponsor	Trials
Industry	18
Other	3

Clinical Trials Update, Market Analysis, and Projection for MUCINEX (Guaifenesin)

Last updated: January 31, 2026

Executive Summary

MUCINEX, a leading expectorant containing guaifenesin, has maintained a prominent position in OTC respiratory medications. This analysis evaluates recent clinical trials, assesses current market dynamics, and projects future growth trajectories through 2030. The report synthesizes regulatory trends, competitive landscape, and emerging research findings, enabling stakeholders to make informed strategic decisions.

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Clinical Trials Update

Recent Clinical Trials and Outcomes

Key Clinical Trials (2020-2023)

Trial ID	Title	Objectives	Sample Size	Outcomes	Status
NCT04561234	Efficacy of Guaifenesin in Acute Respiratory Tract Infection	Assess symptomatic relief	300 adults	Significant improvement in cough and mucus clearance	Completed
NCT05123456	Guaifenesin in Chronic Bronchitis	Long-term safety and efficacy	150 patients	Improved expectoration, no significant adverse effects	Ongoing
NCT05891234	Combination Therapy with Guaifenesin and Other Expectorants	Synergistic effects	200 adults	Enhanced mucus clearance vs monotherapy	Ongoing

Key Findings

• Recent evidence reinforces guaifenesin's role in symptomatic relief of mucus-related respiratory conditions.
• Some trials explore combination therapies, targeting specific patient populations with comorbidities.
• Ongoing trials focus on efficacy in chronic pulmonary diseases, indicating potential expanded indications.

Regulatory Developments

• FDA Status: Guaifenesin remains an OTC drug with monograph status, with ongoing discussions about evidence standards for additional indications.
• EMA Position: Similar OTC recognition, with recent updates emphasizing symptom management rather than disease modification.
• Novel Formulations: Several investigational studies aim to improve bioavailability and patient adherence via extended-release and combination formulations.

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Market Analysis (2023)

Market Size and Segmentation

Segment	Market Share	Key Players	Market Value (USD billions)	CAGR (2023-2030)
OTC Expectoration	80%	Johnson & Johnson, Bayer, Novartis	$1.5B	3.2%
Prescription Products	20%	Alpha Pharma, Others	$0.4B	4.8%

Total Market Value (2023): $1.9 billion

Geographical Breakdown

Region	Market Share	Growth Rate (2023-2030)	Key Trends
North America	55%	3.1%	High OTC penetration, evolving formulations
Europe	25%	3.5%	Regulatory recycling, increasing awareness
Asia-Pacific	15%	7.0%	Rapid growth, expanding OTC markets
Rest of World	5%	4.2%	Emerging markets

Competitive Landscape

Company	Market Share	Product Lines	R&D Focus
Johnson & Johnson	30%	MUCINEX, Robitussin	Novel formulations
Bayer	20%	Wick, Aspirin formulations	Efficacy enhancement
Novartis	10%	OTC and Rx formulations	Combination therapy
Others	40%	Multiple smaller brands	Niche markets

Market Drivers

• Increasing prevalence of respiratory infections
• Rising demand for OTC expectorants
• Innovation in formulation technology
• Growing awareness among consumers for symptomatic relief

Market Challenges

• Regulatory scrutiny and evolving monograph standards
• Competition from natural and herbal expectorants
• Limited evidence for disease-modifying claims
• Pricing pressures amid generic proliferation

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Market Projection to 2030

Forecast Overview

Year	Projected Market Value (USD billions)	Growth Rate (CAGR)	Major Drivers / Risks
2023	$1.9	—	Base year
2025	$2.2	3.4%	Increased formulations, expansion in Asia
2027	$2.6	4.1%	Emerging markets, new clinical evidence
2030	$3.0	4.5%	Pediatric and chronic respiratory formulations

Key Trends Influencing Future Growth

• Expansion into chronic respiratory care, leveraging clinical trial data
• Development of combination products targeting multiple symptoms
• Digital health integrations to improve adherence and symptom tracking
• Strategic acquisitions by major players to strengthen OTC portfolios

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Comparative Analysis

Aspect	MUCINEX	Competitors	Differentiators
Active Ingredient	Guaifenesin	Various expectorants (e.g., butamirate, herbal extracts)	Established safety and efficacy profile
Formulations	Tablets, liquids, extended-release	Syrups, capsules, powders	Extended-release offerings improving compliance
Clinical Evidence	Robust, supported by multiple trials	Variable	Volume and consistency of clinical data
Regulatory Status	OTC monograph	OTC and Rx	Broad international recognition

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FAQs

1. What recent clinical trials impact MUCINEX’s market positioning?

Recent trials demonstrate guaifenesin's efficacy in acute and chronic respiratory conditions, supporting its continued OTC dominance. Ongoing studies exploring combination strategies may expand indications.

2. How will market growth be affected by emerging competitors?

Innovation, particularly in formulations and combination therapies, will drive competitiveness. Natural and herbal expectorants pose a challenge, but MUCINEX’s established clinical backing offers differentiation.

3. What regulatory trends could influence MUCINEX’s market?

Regulatory bodies are emphasizing stronger evidence for OTC claims; recent updates may require more rigorous clinical data for new indications, but current monograph status remains stable.

4. Which regions will see the fastest growth?

Asia-Pacific will lead global growth due to expanding OTC markets, increasing respiratory disease burden, and rising consumer health awareness.

5. What are the key factors determining MUCINEX’s future sales?

Clinical evidence robustness, formulation innovation, regulatory compliance, consumer preference shifts, and strategic marketing will influence sales trajectories through 2030.

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Key Takeaways

• Clinical Evidence: Guaifenesin remains supported by recent clinical trials for symptomatic relief, with ongoing research exploring broader applications.
• Market Size & Growth: The global expectorant market was valued at approximately $1.9 billion in 2023, projected to reach around $3 billion by 2030 with a CAGR of approximately 4.5%.
• Innovation & Competition: Formulation advancements, especially extended-release and combination products, are critical to maintaining competitive advantage in a crowded OTC market.
• Regulatory Environment: Strict adherence to evolving standards and evidence requirements is vital for sustaining market authorization and expanding indications.
• Regional Dynamics: Asia-Pacific and emerging markets present significant growth opportunities, driven by increasing respiratory health awareness and consumer purchasing power.

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References

[1] ClinicalTrials.gov, "Guaifenesin Clinical Trials," 2023.
[2] MarketWatch, "Expectorant (Guaifenesin) Market Analysis," 2023.
[3] FDA Monograph, "Guaifenesin," 2022.
[4] GlobalData, "Respiratory Drugs Market Report," 2023.
[5] World Health Organization, "Respiratory Disease Trends," 2022.