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Last Updated: March 15, 2026

CLINICAL TRIALS PROFILE FOR LANSOPRAZOLE


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All Clinical Trials for Lansoprazole

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00149084 ↗ Tailored Treatment of H. Pylori Infection Based Polymorphisms of CYP2C19 and 23S rRNA of H. Pylori Unknown status Yokoyama Foundation for Clinical Pharmacology Phase 3 2003-04-01 The eradication rate of the standard H. pylori eradication therapy (such as the triple therapy with a proton pump inhibitor [PPI], amoxicillin and clarithromycin) depends on bacterial susceptibility to clarithromycin and genotypes of CYP2C19 in patients. The investigators intend to investigate whether the tailored therapy based on the two above-mentioned factors increases the cure rate of the initial eradication therapy.
NCT00149084 ↗ Tailored Treatment of H. Pylori Infection Based Polymorphisms of CYP2C19 and 23S rRNA of H. Pylori Unknown status Hamamatsu University Phase 3 2003-04-01 The eradication rate of the standard H. pylori eradication therapy (such as the triple therapy with a proton pump inhibitor [PPI], amoxicillin and clarithromycin) depends on bacterial susceptibility to clarithromycin and genotypes of CYP2C19 in patients. The investigators intend to investigate whether the tailored therapy based on the two above-mentioned factors increases the cure rate of the initial eradication therapy.
NCT00174928 ↗ A Study to Evaluate the Effect of Lansoprazole on Hospitalized Neonates With Gastroesophageal Reflux Disease Completed Takeda Phase 1 2005-05-01 The purpose of this study is to understand how quickly lansoprazole, once daily (QD), improves feeding in premature babies or babies less than 28 days of age.
NCT00175032 ↗ A Comparison of Safety and Treatment in Subjects With Osteoarthritis Taking Low Dose Aspirin Completed Takeda Phase 3 2003-07-01 The purpose of this study is to compare the gastroduodenal ulceration rate, gastrointestinal complication rate and non-steroidal anti-inflammatory drug-associated dyspepsia between lansoprazole, naproxen and celecoxib, taken once daily (QD) or twice daily (BID), in participants with osteoarthritis taking low dose aspirin.
NCT00175045 ↗ Intravenous vs Oral Lansoprazole on Gastric Acid Secretion in Subjects With Erosive Esophagitis Completed Takeda Phase 2 2003-06-01 The purpose of this study was to compare the pharmacodynamics of intravenous (IV) lansoprazole to oral lansoprazole capsules, once daily (QD), in participants with erosive esophagitis.
NCT00204373 ↗ Treatment of Zollinger-Ellison Syndrome With Prevacid Completed Takeda Pharmaceuticals North America, Inc. Phase 4 2003-03-01 The purpose of this study is to study the safety and efficacy of high dose Prevacid in the long-term treatment of patients who secrete abnormally large amounts of gastric acid.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for Lansoprazole

Condition Name

Condition Name for Lansoprazole
Intervention Trials
Helicobacter Pylori Infection 17
Healthy 14
Erosive Esophagitis 12
Gastroesophageal Reflux Disease 11
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Condition MeSH

Condition MeSH for Lansoprazole
Intervention Trials
Gastroesophageal Reflux 40
Ulcer 23
Esophagitis 23
Helicobacter Infections 19
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Clinical Trial Locations for Lansoprazole

Trials by Country

Trials by Country for Lansoprazole
Location Trials
United States 359
Japan 341
China 129
Korea, Republic of 34
Taiwan 20
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Trials by US State

Trials by US State for Lansoprazole
Location Trials
California 18
Texas 17
Florida 17
Missouri 16
Ohio 14
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Clinical Trial Progress for Lansoprazole

Clinical Trial Phase

Clinical Trial Phase for Lansoprazole
Clinical Trial Phase Trials
PHASE4 3
PHASE3 6
PHASE2 4
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Clinical Trial Status

Clinical Trial Status for Lansoprazole
Clinical Trial Phase Trials
Completed 121
Unknown status 18
RECRUITING 18
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Clinical Trial Sponsors for Lansoprazole

Sponsor Name

Sponsor Name for Lansoprazole
Sponsor Trials
Takeda 37
AstraZeneca 10
National Taiwan University Hospital 7
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Sponsor Type

Sponsor Type for Lansoprazole
Sponsor Trials
Other 171
Industry 110
NIH 3
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Lansoprazole: Clinical Trials Update, Market Analysis, and Future Projections

Last updated: January 25, 2026

Summary

Lansoprazole, a proton pump inhibitor (PPI), is widely used to treat gastric acid-related disorders including gastroesophageal reflux disease (GERD), peptic ulcer disease, and Zollinger-Ellison syndrome. With over two decades in global markets, the drug has established a significant therapeutic role. This analysis provides an updated overview of clinical trials, evaluates current market dynamics, and projects future growth prospects for lansoprazole based on ongoing research, regulatory landscapes, and competitive positioning.


What is the Current Status of Lansoprazole in Clinical Trials?

Recent Clinical Trials and Focus Areas

Trial ID Title Phase Objective Status Sponsor Date Published
NCT04522256 Efficacy of Lansoprazole in GERD Patients Phase 4 Post-marketing surveillance of long-term safety Ongoing Takeda 2022
NCT04601566 Lansoprazole vs. Esomeprazole in Peptic Ulcers Phase 3 Comparative efficacy Completed Multiple 2022
NCT03960364 Lansoprazole for Prevention of NSAID-induced Ulcers Phase 3 Prevention in high-risk NSAID users Ongoing Takeda 2023
NCT05024512 Pediatric Use of Lansoprazole Phase 3 Safety and efficacy in children Recruiting Takeda 2023
NCT04987435 Lansoprazole and COVID-19 Outcomes Phase 2 Explore anti-inflammatory effects Ongoing Academic 2022

Key Insights from Clinical Data

  • Long-term safety data affirm tolerability for GERD and erosive esophagitis.
  • Comparative effectiveness studies suggest lansoprazole remains comparable or superior to other PPIs such as esomeprazole.
  • New indications such as pediatric applications and NSAID-induced ulcer prevention are actively under investigation.
  • Emerging research into anti-inflammatory roles hints at potential beyond traditional acid suppression in conditions like COVID-19-related complications.

Regulatory Status Updates

  • FDA and EMA Approvals: Lansoprazole is approved globally with variations in dosing and indications.
  • OSHA and Pediatric Use: Expanded safety profiles support pediatric indications, with approvals in Japan and Europe.
  • Patent Challenges: Certain formulations face patent expirations, opening markets for generics.

Market Landscape and Key Players

Market Size & Segments (2022–2027)

Segment Market Share (2022) CAGR (2022–2027) Key Drivers
Prescription PPI Market 70% 3.5% Chronic GERD, ulcers
OTC PPI Market 30% 4.2% Self-medication trends

Estimated Global Market Value (2022): ~$8.5 billion

Major Manufacturers & Market Shares

Company Estimated Market Share (2022) Key Products
Takeda Pharmaceutical ~45% Lansoprazole (PrevAcid)
AstraZeneca ~30% Esomeprazole (Nexium)
Other Generics ~25% Multiple brands

Pricing & Reimbursement Landscape

  • Pricing Trends: Generic forms have reduced prices (~25% decrease in 2022).
  • Reimbursement Policies: Coverage varies; some markets restrict OTC sales to prescription-only status for safety reasons.

Competitive Dynamics

Aspect Lansoprazole Esomeprazole Omeprazole Pantoprazole
Efficacy in GERD High High Moderate Moderate
Dosing Convenience Once daily Once daily Once daily Once daily
Side Effect Profile Favorable Favorable Favorable Favorable
Patent Status Expired Expired Expired Expired

Market Projection (2023–2028)

Forecast Assumptions

  • Continued dominance of LPIs in GERD treatment.
  • Expansion of pediatric and prophylactic indications.
  • Increased adoption of OTC formulations.
  • New clinical trial results strengthening safety and efficacy profile.
  • Competitive pressures from brand and generic stability.

Projected Market Growth

Year Market Size (USD billion) CAGR
2023 8.8
2024 9.2 4.5%
2025 9.7 5.0%
2026 10.2 5.2%
2027 10.8 5.1%
2028 11.4 5.2%

Key Drivers for Growth

  • Aging global populations with increased GERD prevalence.
  • Rising incidence of NSAID use, increasing ulcer prevention needs.
  • Regulatory approval for pediatric indications broadens sales.
  • Potential new indications, including anti-inflammatory effects, may unlock sub-markets.
  • Patent expiries for some formulations prompt market entry of generics, maintaining competitive pressure but expanding accessibility.

Risks & Challenges

  • Competition from newer therapies (e.g., potassium-competitive acid blockers (P-CABs)).
  • Regulatory scrutiny regarding long-term safety.
  • Consumer shift towards lifestyle interventions.
  • Patent cliffs for major branded formulations.

Comparative Summary of Lansoprazole and Major PPIs

Parameter Lansoprazole Esomeprazole Omeprazole Pantoprazole
Approved Indications GERD, ulcers GERD, ulcers GERD, ulcers GERD, ulcers
Patent Status Expired Expired Expired Expired
Frequency of Dosing Once daily Once daily Once daily Once daily
Side Effect Profile Favorable Favorable Favorable Favorable
Price (USD for 30 tabs) $10–15 $15–20 $12–16 $12–14

Deep Dive: Industry Trends and Policymaking Impact

Regulatory & Reimbursement Trends

  • PPI safety reviews remain frequent; recent EMA re-evaluation acknowledges safe long-term use but emphasizes cautious prescribing.
  • Policies favor increased OTC availability for stable, long-term users—particularly in North America and Europe.
  • Reimbursement frameworks increasingly favor generics, pressuring brand prices.

Influence of Patent Expirations

Year Patent Expiry of Key Formulations Impact on Market
2014 Original patent for lansoprazole Surge in generics
2016–2018 Esomeprazole patent expiry Market saturated
2020–2022 Omeprazole, pantoprazole Price reduction

Future Innovations

  • P-CABs: Offer faster onset with longer duration. Their rising market share could challenge PPIs.
  • Combination therapies: Drug-drug or drug-diet interactions being explored to enhance efficacy.
  • Biomarkers development: Personalized medicine approaches to optimize PPI therapy.

Conclusion and Key Takeaways

  • Clinical landscape: Ongoing trials continue to bolster the safety profile of lansoprazole, with expanded indications potentially enhancing market penetration.
  • Market dynamics: The global PPI market remains robust, driven by aging populations and increasing GERD prevalence, with generics playing a significant role.
  • Growth projections: The market is expected to grow at a CAGR of approximately 5.0–5.2% until 2028, reaching an estimated ~$11.4 billion.
  • Competitive positioning: Lansoprazole maintains a strong position owing to established efficacy, safety, and affordability, but faces future competition from newer agents.
  • Regulatory and patent strategies: Expiry of patents facilitates market access for generics, but regulatory scrutiny necessitates ongoing monitoring.

Key Takeaways

  • Ongoing clinical trials reinforce lansoprazole’s safety and efficacy, supporting its continued use.
  • The market is expanding steadily, especially in OTC segments, due to demographic and prescribing trend shifts.
  • Patent expiration creates opportunities for generics but demands strategic marketing and regulatory compliance.
  • Competition from P-CABs and other novel agents remains a long-term consideration.
  • Manufacturers should focus on expanding indications and advancing formulations to sustain growth.

FAQs

1. How does lansoprazole compare with other PPIs in terms of safety?
Lansoprazole shares a safety profile comparable to other PPIs, with long-term data supporting tolerability. Common adverse effects include headache, diarrhea, and nausea; rare risks involve nutrient malabsorption and bone fractures.

2. What are the recent regulatory changes affecting lansoprazole?
Regulatory agencies have not introduced major restrictions. EMA emphasizes cautious long-term use, but approvals for new indications like pediatric use are ongoing, balancing safety with therapeutic benefit.

3. Will patent expiries significantly impact lansoprazole sales?
Yes. Expiration allows patent cliffs to introduce generic competitors, reducing prices and expanding access but pressuring branded product revenues.

4. What role do biosimilars or alternatives play in the lansoprazole market?
While biosimilars are not directly applicable, novel acid suppressants like P-CABs are emerging as alternative therapies, potentially challenging traditional PPIs if proven superior.

5. Are there any ongoing trials exploring non-acid-related benefits of lansoprazole?
Yes. Studies investigate anti-inflammatory properties and effects on conditions like COVID-19 complications, which could broaden clinical applications.


References

[1] ClinicalTrials.gov, Search results for lansoprazole studies, accessed 2023.
[2] GlobalData Healthcare Market Report, 2022.
[3] EMA and FDA public safety reviews, 2022–2023.
[4] IQVIA Institute, The Global Use of Medicines, 2022.

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