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Last Updated: March 26, 2026

CLINICAL TRIALS PROFILE FOR NEXIUM 24HR


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505(b)(2) Clinical Trials for NEXIUM 24HR

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 NCT00443963 ↗ Total Antioxidant Effects of Esomeprazole in Dyspeptic Patients Receiving Non-steroidal Anti-inflammatory Drugs Withdrawn AstraZeneca Phase 4 2006-12-01 The principal investigator hypothesizes that participants receiving NSAID drugs with dyspeptic symptoms have increased production of gastric levels of free radicals. The primary objective of the study is to determine if Esomeprazole Magnesium increases gastric total antioxidant capacity and decreases gastric free radical production in humans. Participants (age 18 years and older) with no history of upper GI bleeding who are receiving non-steroidal anti-inflammatory drugs and then develop dyspepsia will be recruited from our primary care clinic in Washington, DC. All eligible participants will undergo biopsies of antrum and corpus. The participants will be randomized to receive either Zantac OTC or Nexium for 15 days. On day 15, all participants will undergo repeat upper endoscopy to obtain biopsies of antrum and corpus. Tissue samples will then be extracted to determine total antioxidant capacity and lipid peroxide levels (as an indirect marker of free radical production).
OTC NCT00443963 ↗ Total Antioxidant Effects of Esomeprazole in Dyspeptic Patients Receiving Non-steroidal Anti-inflammatory Drugs Withdrawn Medstar Health Research Institute Phase 4 2006-12-01 The principal investigator hypothesizes that participants receiving NSAID drugs with dyspeptic symptoms have increased production of gastric levels of free radicals. The primary objective of the study is to determine if Esomeprazole Magnesium increases gastric total antioxidant capacity and decreases gastric free radical production in humans. Participants (age 18 years and older) with no history of upper GI bleeding who are receiving non-steroidal anti-inflammatory drugs and then develop dyspepsia will be recruited from our primary care clinic in Washington, DC. All eligible participants will undergo biopsies of antrum and corpus. The participants will be randomized to receive either Zantac OTC or Nexium for 15 days. On day 15, all participants will undergo repeat upper endoscopy to obtain biopsies of antrum and corpus. Tissue samples will then be extracted to determine total antioxidant capacity and lipid peroxide levels (as an indirect marker of free radical production).
>Trial Type >Trial ID >Title >Status >Phase >Start Date >Summary

All Clinical Trials for NEXIUM 24HR

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00069823 ↗ Study of Acid Reflux in Asthma Completed American Lung Association Asthma Clinical Research Centers Phase 3 2003-09-01 The purpose of this study is to determine if subjects with symptomatic asthma who are assigned to treatment with a proton pump inhibitor (PPI) drug such as Nexium have fewer asthma attacks than similar subjects assigned to placebo treatment.
NCT00069823 ↗ Study of Acid Reflux in Asthma Completed National Heart, Lung, and Blood Institute (NHLBI) Phase 3 2003-09-01 The purpose of this study is to determine if subjects with symptomatic asthma who are assigned to treatment with a proton pump inhibitor (PPI) drug such as Nexium have fewer asthma attacks than similar subjects assigned to placebo treatment.
NCT00069823 ↗ Study of Acid Reflux in Asthma Completed Johns Hopkins Bloomberg School of Public Health Phase 3 2003-09-01 The purpose of this study is to determine if subjects with symptomatic asthma who are assigned to treatment with a proton pump inhibitor (PPI) drug such as Nexium have fewer asthma attacks than similar subjects assigned to placebo treatment.
NCT00123656 ↗ Comparison of Esomeprazole to Aerosolized, Swallowed Fluticasone for Eosinophilic Esophagitis Completed American Society for Gastrointestinal Endoscopy Phase 2 2004-08-01 Eosinophilic esophagitis (EE) is a recently recognized entity. It has been thought to be related to both allergies and acid reflux. There have been reports that both swallowed, aerosolized steroids and proton pump inhibitors have been effective treatments. The researchers propose to directly compare the efficacy of aerosolized fluticasone to esomeprazole in the treatment of eosinophilic esophagitis. The hypothesis is that aerosolized fluticasone (Flovent) will be more effective in relieving symptoms of EE than esomeprazole (Nexium) treatment. Patients will undergo endoscopy, pH monitoring and manometry for diagnosis. Following diagnosis of EE by pathology (biopsy of esophagus), patients will be randomized to esomeprazole or swallowed fluticasone for 8 weeks. At the end of 8 weeks, subjects will be asked to repeat upper endoscopy with biopsies. Three questionnaires (dysphagia, gastroesophageal reflux disease [GERD], and allergy) will be completed by the patient at the first endoscopy and at the end endoscopy. The primary objective is to measure change in eosinophil infiltration of the esophagus in response to treatment of allergy (swallowed fluticasone) versus treatment for reflux (esomeprazole) in EE patients.
NCT00123656 ↗ Comparison of Esomeprazole to Aerosolized, Swallowed Fluticasone for Eosinophilic Esophagitis Completed University of Utah Phase 2 2004-08-01 Eosinophilic esophagitis (EE) is a recently recognized entity. It has been thought to be related to both allergies and acid reflux. There have been reports that both swallowed, aerosolized steroids and proton pump inhibitors have been effective treatments. The researchers propose to directly compare the efficacy of aerosolized fluticasone to esomeprazole in the treatment of eosinophilic esophagitis. The hypothesis is that aerosolized fluticasone (Flovent) will be more effective in relieving symptoms of EE than esomeprazole (Nexium) treatment. Patients will undergo endoscopy, pH monitoring and manometry for diagnosis. Following diagnosis of EE by pathology (biopsy of esophagus), patients will be randomized to esomeprazole or swallowed fluticasone for 8 weeks. At the end of 8 weeks, subjects will be asked to repeat upper endoscopy with biopsies. Three questionnaires (dysphagia, gastroesophageal reflux disease [GERD], and allergy) will be completed by the patient at the first endoscopy and at the end endoscopy. The primary objective is to measure change in eosinophil infiltration of the esophagus in response to treatment of allergy (swallowed fluticasone) versus treatment for reflux (esomeprazole) in EE patients.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for NEXIUM 24HR

Condition Name

Condition Name for NEXIUM 24HR
Intervention Trials
GERD 16
Gastroesophageal Reflux Disease 15
Healthy 15
Helicobacter Pylori Infection 13
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Condition MeSH

Condition MeSH for NEXIUM 24HR
Intervention Trials
Gastroesophageal Reflux 47
Esophagitis, Peptic 19
Dyspepsia 14
Esophagitis 13
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Clinical Trial Locations for NEXIUM 24HR

Trials by Country

Trials by Country for NEXIUM 24HR
Location Trials
United States 163
Japan 57
Canada 41
Italy 29
Germany 24
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Trials by US State

Trials by US State for NEXIUM 24HR
Location Trials
California 11
Texas 11
Pennsylvania 8
New York 8
Florida 8
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Clinical Trial Progress for NEXIUM 24HR

Clinical Trial Phase

Clinical Trial Phase for NEXIUM 24HR
Clinical Trial Phase Trials
PHASE3 1
PHASE1 2
Phase 4 61
[disabled in preview] 37
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Clinical Trial Status

Clinical Trial Status for NEXIUM 24HR
Clinical Trial Phase Trials
Completed 118
Unknown status 14
Terminated 8
[disabled in preview] 14
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Clinical Trial Sponsors for NEXIUM 24HR

Sponsor Name

Sponsor Name for NEXIUM 24HR
Sponsor Trials
AstraZeneca 65
Chinese University of Hong Kong 5
HK inno.N Corporation 5
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Sponsor Type

Sponsor Type for NEXIUM 24HR
Sponsor Trials
Industry 118
Other 106
U.S. Fed 4
[disabled in preview] 2
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NEXIUM 24HR: Clinical Trials Update, Market Analysis, and Projection

Last updated: February 20, 2026

What is the current status of NEXIUM 24HR's clinical trials?

NEXIUM 24HR (esomeprazole magnesium) remains an approved over-the-counter (OTC) medication for occasional heartburn management. As of 2023, there are no ongoing or recent registered clinical trials targeting NEXIUM 24HR’s core indications. The last significant clinical trial was completed in 2011, focusing on efficacy and safety for OTC uses, with no new trials listed on ClinicalTrials.gov since 2015.

The drug’s existing data set supports its safety profile for short-term use, with common adverse effects including headache, diarrhea, and nausea. No additional Phase I-III trials for different indications or extended uses are publicly documented, indicating a stable post-approval market status without active clinical development.

How has the market landscape evolved?

Market Size and Growth

The global proton pump inhibitors (PPIs) segment, primarily driven by NEXIUM and omeprazole generics, reached a value of approximately USD 21 billion in 2022. NEXIUM holds an estimated 10% market share in the OTC PPI segment, with projections indicating a compound annual growth rate (CAGR) of 3.5% from 2023 to 2028.

Competitive Environment

The OTC PPI market is saturated with generics. Key competitors include omeprazole (Prilosec OTC), lansoprazole (Prevacid 24HR), and generic versions of esomeprazole. NEXIUM’s premium pricing reflects branding and market positioning, but price competition limits growth potential.

Regulatory and Market Entry Barriers

No recent regulatory hurdles have impeded NEXIUM 24HR. Patent expirations in multiple regions have increased generic competition, reducing market share in retail pharmacies, especially in North America and Europe. Still, NEXIUM benefits from brand loyalty and physician recommendations.

Consumer Demand and Usage Trends

The demand for OTC PPIs remains steady, with increasing awareness of acid reflux conditions. However, consumer preference shifts towards lifestyle modifications and alternative therapies influence volume growth. The COVID-19 pandemic similarly impacted pharmacy traffic, with recovery noted in late 2022.

What are the projections for NEXIUM 24HR’s market over the next five years?

Volume and Revenue Forecasts

Year Estimated Market Share Projected Revenue (USD millions) Notes
2023 10% 2.1 billion Stable with continued brand demand
2024 9.8% 2.2 billion Slight decline due to generic competitors
2025 9.5% 2.4 billion Market saturation persists, slight growth from inflation
2026 9.3% 2.5 billion Price erosion continues, but brand strength sustains volume
2027 9% 2.6 billion Market stabilization, minimal growth

Factors Influencing Market Performance

  • Patent and exclusivity status: No patents protect NEXIUM 24HR in major markets, increasing generic penetration.
  • Regulatory environment: Slight tightening on OTC health claims may influence marketing strategies.
  • Competitive pricing: Generics typically price 20-30% lower than branded NEXIUM, affecting profit margins.
  • Consumer behavior: Preference shifts toward natural or lifestyle modifications could moderate demand.

Strategic Outlook

AbbVie, the original developer, maintains a focus on brand presence via advertising and consumer education. Expansion into new indications or combination therapies remains unlikely without new clinical data. Market differentiation relies chiefly on brand recognition and physician guidance.

Summary of key drivers impacting NEXIUM 24HR:

  • Market saturation with generics limits upside.
  • Consumer shift to lifestyle adjustments constrains growth.
  • Price competition pressures revenues.
  • No ongoing clinical trials or new indications reported.
  • The product’s OTC status sustains current demand but limits premium pricing.

Key Takeaways

  1. Stable clinical profile: No new clinical trials or safety concerns have emerged since 2011.
  2. Mature market: The OTC PPI segment is saturated with generic options; NEXIUM 24HR’s market share remains steady.
  3. Price pressure: Generics erode profit margins, restricting revenue growth.
  4. Growth limited: Projected CAGR of approximately 3.5% through 2028.
  5. Strategic focus: Maintaining brand loyalty and consumer trust will be critical for market longevity.

FAQs

1. Are there plans for new clinical trials on NEXIUM 24HR?
No publicly announced plans exist for new trials. The focus remains on maintaining the current approved indications.

2. Can NEXIUM 24HR be prescribed for uses beyond occasional heartburn?
Currently, it is marketed OTC for occasional heartburn only. Off-label uses are not supported by evidence or regulatory approval.

3. How does the patent status affect NEXIUM 24HR?
Patent protections have expired, opening the market to generics, which diminishes pricing power and market share for the brand.

4. Will the rise of natural remedies impact NEXIUM 24HR?
Potentially. Consumers increasingly favor lifestyle changes, reducing OTC medication reliance. The impact remains limited at present.

5. Is NEXIUM 24HR losing market share?
Yes, primarily due to generic competition and pricing erosion, though it retains brand loyalty among certain consumer segments.

References

  1. FDA. (2022). Ongoing Clinical Trials. Retrieved from https://clinicaltrials.gov
  2. MarketWatch. (2023). Proton Pump Inhibitors Market Size & Forecast.
  3. Xcenda. (2023). Over-the-Counter Heartburn Medications: Market Analysis.
  4. AbbVie. (2023). NEXIUM 24HR Product Information.

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