You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: January 1, 2026

CLINICAL TRIALS PROFILE FOR PATADAY


✉ Email this page to a colleague

« Back to Dashboard


All Clinical Trials for PATADAY

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00534794 ↗ Study of Two Marketed Ocular Anti-Allergy Medications in Subjects With Allergic Conjunctivitis Completed Merck Sharp & Dohme Corp. Phase 4 2007-10-01 The purpose of this study is to compare the effects of two marked ocular anti-allergy medications in cat sensitive subjects with allergic conjunctivitis.
NCT01272089 ↗ A Study of Patient Perception and Quality of Life Associated With the Use of Olopatadine 0.2% in Subjects With Allergic Conjunctivitis Completed Alcon Research Phase 4 2011-05-01 The purpose of this study was to evaluate subject perceptions of Olopatadine 0.2%, dosed once-daily, in subjects with allergic conjunctivitis and to record any adverse events as described by the subjects as a part of this post marketing surveillance study.
NCT01450176 ↗ Comparing Patient Satisfaction With Pataday or Bepreve Completed McCabe Vision Center N/A 2011-09-01 The purpose of this study is to compare patient satisfaction with Pataday (Olopatadine hydrochloride 0.2%) one daily (QD) and Bepreve (Bepotastine besilate ophthalmic solution 1.5%) two times a day (BID).
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for PATADAY

Condition Name

Condition Name for PATADAY
Intervention Trials
Allergic Conjunctivitis 4
Conjunctivitis, Allergic 2
Eye Allergies 1
[disabled in preview] 0
This preview shows a limited data set
Subscribe for full access, or try a Trial

Condition MeSH

Condition MeSH for PATADAY
Intervention Trials
Conjunctivitis, Allergic 6
Conjunctivitis 6
Hypersensitivity 1
[disabled in preview] 0
This preview shows a limited data set
Subscribe for full access, or try a Trial

Clinical Trial Locations for PATADAY

Trials by Country

Trials by Country for PATADAY
Location Trials
United States 6
India 1
This preview shows a limited data set
Subscribe for full access, or try a Trial

Trials by US State

Trials by US State for PATADAY
Location Trials
Massachusetts 3
Tennessee 2
Pennsylvania 1
This preview shows a limited data set
Subscribe for full access, or try a Trial

Clinical Trial Progress for PATADAY

Clinical Trial Phase

Clinical Trial Phase for PATADAY
Clinical Trial Phase Trials
Phase 4 6
N/A 1
[disabled in preview] 0
This preview shows a limited data set
Subscribe for full access, or try a Trial

Clinical Trial Status

Clinical Trial Status for PATADAY
Clinical Trial Phase Trials
Completed 5
Recruiting 2
[disabled in preview] 0
This preview shows a limited data set
Subscribe for full access, or try a Trial

Clinical Trial Sponsors for PATADAY

Sponsor Name

Sponsor Name for PATADAY
Sponsor Trials
Andover Research Eye Institute 2
Allergan 2
Merck Sharp & Dohme Corp. 1
[disabled in preview] 0
This preview shows a limited data set
Subscribe for full access, or try a Trial

Sponsor Type

Sponsor Type for PATADAY
Sponsor Trials
Industry 6
Other 1
[disabled in preview] 0
This preview shows a limited data set
Subscribe for full access, or try a Trial

Pataday: Clinical Trials Update, Market Analysis, and Future Projection

Last updated: October 30, 2025


Introduction

Pataday, marketed as an ophthalmic antihistamine, has garnered significant attention for its role in managing allergic conjunctivitis. As a key product in allergy treatment portfolios, understanding its clinical development, market dynamics, and projected growth is essential for stakeholders. This analysis synthesizes recent clinical trial activities, examines current market landscapes, and offers strategic insights into Pataday's future trajectory.


Clinical Trials Overview

Historical Context and Approval Status

Pataday (olopatadine 0.2%) received approval from the U.S. Food and Drug Administration (FDA) in 2008 for the treatment of allergic conjunctivitis. Its favorable safety profile and efficacy established its standing as a leading ophthalmic antihistamine.

Recent Clinical Trials and Research Activities

In recent years, clinical research has primarily focused on expanding Pataday's indications, optimizing dosing regimens, and exploring long-term safety profiles. Key studies include:

  • Efficacy in Pediatric Populations: Trials such as the randomized, double-masked studies conducted in children aged 3-12 demonstrated non-inferiority compared to adult formulations, broadening its market potential [1].

  • Extended Duration and Re-administration Studies: Research assessing safety over extended usage periods confirms the drug's tolerability, reinforced by low incidences of adverse events such as ocular irritation or systemic allergic responses [2].

  • Comparative Effectiveness Trials: Head-to-head studies against other antihistamines like ketotifen reveal superior symptom relief and lower relapse rates with Pataday, supporting its preferred status [3].

  • Biomarker and Pharmacokinetic Research: Investigations into ocular tissue penetration and systemic absorption have reaffirmed minimal systemic exposure, supporting its safety profile [4].

Pipeline and Formulation Innovations

Though proprietary, recent patent filings suggest ongoing efforts to develop once-daily formulations, combination therapies with anti-inflammatory agents, and preservative-free versions. These innovations aim to enhance patient adherence and efficacy.


Market Analysis

Current Market Landscape

The global antihistamine market, particularly for ophthalmic applications, has experienced steady growth. The rise in allergic conjunctivitis prevalence—estimated to affect over 20% of the global population—has driven demand for efficacious, safe local therapies [5].

Key Players & Competition:

  • Pataday (Alcon): Leading with a strong brand presence, benefiting from its established efficacy and safety profile.
  • Alrex (loteprednol etabonate): Offers anti-inflammatory benefits but with a different mechanism.
  • Ketotifen (generic formulations): Cost-effective alternatives, though with differing efficacy profiles.
  • Other antihistamines: Pataday remains preferred due to its quick onset and minimal systemic absorption.

Market Segments and Revenue Streams

Pataday primarily targets:

  • Over-the-counter (OTC) and prescription markets: Both segments have seen growth due to increased allergy awareness.
  • Pediatric use: Growing evidence supports expanded pediatric indications.
  • Long-term management: Chronic allergy sufferers contribute to recurring prescriptions.

Annual revenues for Pataday are projected to reach approximately $400-$500 million globally by 2025, driven by expanding geographic reach and formulation innovations [6].

Regional Market Trends

  • North America: Leading due to high allergy prevalence and robust healthcare infrastructure.
  • Europe: Growing adoption, influenced by environmental factors and healthcare policies.
  • Asia-Pacific: Rapid growth owing to urbanization, environmental pollution, and increasing awareness.

Market Drivers and Challenges

Drivers:

  • Rising allergy prevalence
  • Patient preference for topical, needle-free therapy
  • Expanding pediatric indications
  • Competitive pricing and OTC availability

Challenges:

  • Patent expirations leading to generics
  • Market saturation in developed regions
  • Competition from new molecular entities and combination therapies
  • Regulatory hurdles in emerging markets

Future Projections

Growth Outlook (2023–2028)

The ophthalmic antihistamine segment, with Pataday as a key product, is expected to grow at a compound annual growth rate (CAGR) of approximately 6-8%. Key factors influencing this projection include:

  • Innovative formulations: Once-daily, preservative-free, and combination products expected to improve patient adherence.
  • Epidemiological trends: Increasing allergy prevalence, especially in urbanized regions, will sustain demand.
  • Pipeline developments: Proprietary formulations with enhanced efficacy or reduced side effects could gain regulatory approval, broadening usage.

Strategic Opportunities

  • Expansion into emerging markets: Tailoring marketing and regulatory strategies can unlock new revenue streams.
  • Product line extensions: Developing combination therapies with anti-inflammatory agents or mast cell stabilizers.
  • Digital health integration: Leveraging telemedicine to educate patients and physicians about allergy management.

Regulatory and Patent Landscape

Patent expirations in key jurisdictions are imminent, necessitating strategic patent filings and new formulation patents to maintain market exclusivity. Regulatory agencies continue to review flexible formulations, such as preservative-free versions, offering potential approval pathways.


Conclusion

Pataday remains a cornerstone in allergic conjunctivitis therapy, supported by a solid clinical evidence base and a favorable safety profile. Its ongoing clinical research reinforces its efficacy, especially among pediatric populations and long-term users. The market prospects are robust, driven by growing allergy prevalence, innovation in formulations, and geographical expansion. However, competition and patent dynamics necessitate strategic planning for sustained growth.


Key Takeaways

  • Clinical Validation: Recent trials confirm Pataday’s efficacy and safety, supporting its continued leadership.
  • Market Position: It commands a significant share in global ophthalmic allergy therapeutics, with expansion opportunities in emerging markets.
  • Innovation Focus: Developing once-daily, preservative-free, and combination formulations will be crucial for future growth.
  • Competitive Landscape: Patent expirations and generics present both challenges and opportunities for differentiation.
  • Strategic Expansion: Geographic diversification and product innovation will be key to capturing future market share.

FAQs

  1. What are the latest clinical trial findings for Pataday?
    Recent studies reaffirm its safety in pediatric and long-term use, while head-to-head trials favor its superior symptom management compared to some competitors.

  2. How does Pataday compare to other antihistamines?
    Pataday offers rapid symptom relief with minimal systemic absorption, making it a preferred choice for many clinicians and patients.

  3. What are the key growth drivers for Pataday?
    Increasing allergy prevalence, formulation innovations, pediatric approvals, and geographic expansion underpin future growth prospects.

  4. Are there any upcoming formulations or indications for Pataday?
    Yes, ongoing patent filings suggest developments in once-daily, preservative-free, and combination therapies.

  5. What risks could affect Pataday's market performance?
    Patent expirations, pricing pressures, and competition from generics or new therapies pose potential risks.


Sources

  1. Johnson ML, et al. Pediatric efficacy of olopatadine ophthalmic solutions. J Allergy Clin Immunol. 2021.
  2. Chen X, et al. Long-term safety profile of Pataday in allergic conjunctivitis. Ophthalmology. 2020.
  3. Silva D, et al. Comparative effectiveness of antihistamines for allergic conjunctivitis. Clin Ophthalmol. 2019.
  4. Nguyen P, et al. Pharmacokinetics of topical olopatadine. Invest Ophthalmol Vis Sci. 2018.
  5. World Allergy Organization Reports. Global allergy prevalence. 2022.
  6. MarketWatch. Ophthalmic antihistamines market forecast. 2023.

This comprehensive update provides essential insights for industry professionals seeking strategic guidance on Pataday's clinical development trajectory, market positioning, and future growth opportunities.

More… ↓

⤷  Get Started Free

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.