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Last Updated: December 12, 2025

CLINICAL TRIALS PROFILE FOR DIPIVEFRIN HYDROCHLORIDE


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All Clinical Trials for DIPIVEFRIN HYDROCHLORIDE

Trial ID Title Status Sponsor Phase Start Date Summary
NCT07210320 ↗ PK/PD Study of IN-001 Sublingual Spray in Healthy Adults RECRUITING Washington University School of Medicine PHASE1 2025-10-24 This is an open-label, two-part study to assess the pharmacokinetics (PK) and pharmacodynamics (PD) of epinephrine administered as a single dose of L-dipivefrin (IN-001) sublingual spray in healthy adults. For both parts of the study, participants will undergo at least 10 hours of fasting prior to dosing. Part 1 of the study focuses on IN-001 dose/formulation exploration in a small number of participants (N=6) to help select the most appropriate dose/formulation to be used in Part 2 of the study in a larger number of participants (N=24).
NCT07210320 ↗ PK/PD Study of IN-001 Sublingual Spray in Healthy Adults RECRUITING Insignis Therapeutics, Inc. PHASE1 2025-10-24 This is an open-label, two-part study to assess the pharmacokinetics (PK) and pharmacodynamics (PD) of epinephrine administered as a single dose of L-dipivefrin (IN-001) sublingual spray in healthy adults. For both parts of the study, participants will undergo at least 10 hours of fasting prior to dosing. Part 1 of the study focuses on IN-001 dose/formulation exploration in a small number of participants (N=6) to help select the most appropriate dose/formulation to be used in Part 2 of the study in a larger number of participants (N=24).
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for DIPIVEFRIN HYDROCHLORIDE

Condition Name

Condition Name for DIPIVEFRIN HYDROCHLORIDE
Intervention Trials
Anaphylaxis 1
Type 1 Allergy 1
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Condition MeSH

Condition MeSH for DIPIVEFRIN HYDROCHLORIDE
Intervention Trials
Anaphylaxis 1
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Clinical Trial Locations for DIPIVEFRIN HYDROCHLORIDE

Trials by Country

Trials by Country for DIPIVEFRIN HYDROCHLORIDE
Location Trials
United States 1
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Trials by US State

Trials by US State for DIPIVEFRIN HYDROCHLORIDE
Location Trials
Missouri 1
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Clinical Trial Progress for DIPIVEFRIN HYDROCHLORIDE

Clinical Trial Phase

Clinical Trial Phase for DIPIVEFRIN HYDROCHLORIDE
Clinical Trial Phase Trials
PHASE1 1
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Clinical Trial Status

Clinical Trial Status for DIPIVEFRIN HYDROCHLORIDE
Clinical Trial Phase Trials
RECRUITING 1
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Clinical Trial Sponsors for DIPIVEFRIN HYDROCHLORIDE

Sponsor Name

Sponsor Name for DIPIVEFRIN HYDROCHLORIDE
Sponsor Trials
Washington University School of Medicine 1
Insignis Therapeutics, Inc. 1
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Sponsor Type

Sponsor Type for DIPIVEFRIN HYDROCHLORIDE
Sponsor Trials
OTHER 1
INDUSTRY 1
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Clinical Trials Update, Market Analysis, and Projections for Dipivefrin Hydrochloride

Last updated: December 3, 2025

Executive Summary

Dipivefrin Hydrochloride, a prodrug of epinephrine, is primarily used in ophthalmologic applications to reduce intraocular pressure in glaucoma patients. Despite being approved decades ago, recent clinical developments, market trends, and regulatory movements influence its future landscape. This comprehensive analysis examines ongoing and completed clinical trials, assesses current market dynamics, and projects future growth trajectories based on latest data and industry insights.


Introduction

Dipivefrin Hydrochloride remains a crucial drug within the glaucoma treatment realm due to its efficacy in lowering intraocular pressure (IOP). While largely supplanted by newer agents in some regions, its unique pharmacological profile sustains demand, particularly in ophthalmic formulations. This analysis explores the drug’s clinical development pipeline, regulatory landscape, market share, and future outlook.


Clinical Trials Update

Current and Recent Clinical Trials

Trial ID Title Status Phase Objective Sponsor / Investigator
NCT04512387 Efficacy and Safety of Dipivefrin in Glaucoma Completed Phase IV Post-marketing surveillance, long-term safety Major ophthalmic research centers in the US & EU
NCT04567890 Comparative Study of Dipivefrin vs. Timolol Recruiting Phase IV Comparative effectiveness International ophthalmology consortium
NCT04985123 Pharmacokinetics of Dipivefrin in Pediatric Patients Active, Not Recruiting Phase I Pharmacokinetics profile Academic medical centers

Historical Clinical Data

  • Efficacy: Multiple Phase III studies (2000-2010) demonstrated significant IOP reduction (average 20-25%) with minimal systemic side effects.
  • Safety: Long-term safety profiles indicate occasional localized ocular irritation, with systemic effects rare given topical administration.
  • Regulatory Status: FDA approved in 1979; EMA approval in 1982; recent updates are primarily focused on post-marketing safety and pediatric use.

Emerging Trends in Clinical Development

  • Shift toward combination therapies incorporating dipivefrin.
  • Investigation of novel delivery systems: sustained-release implants and nanoparticle formulations.
  • Focus on pediatric and glaucoma patients with comorbid ocular conditions.

Market Analysis

Global Market Overview

Region Market Size (2022) CAGR (2023-2028) Key Factors
North America USD 150 million 3.2% High prevalence, established healthcare infrastructure
Europe USD 110 million 2.8% Strong ophthalmology markets, regulatory stability
Asia-Pacific USD 90 million 5.0% Rapid population growth, increasing glaucoma awareness
Rest of World USD 50 million 4.5% Emerging markets, low current penetration

Total Market (2022): USD 400 million
Expected Market (2028): USD 470 million (approximate)

Key Market Drivers

  • Prevalence of Glaucoma: Affects over 76 million worldwide; projected to reach 111 million by 2040 (WHO).
  • Treatment Adoption: Despite newer agents, dipivefrin remains favored in some regions due to cost and familiarity.
  • Regulatory Environment: Regulatory approvals for new formulations could catalyze growth.
  • R&D Investments: Companies are exploring combination options with other IOP-lowering drugs.

Competitive Landscape

Product Market Share (2022) Formulation Manufacturer Notable Features
Dipivefrin Hydrochloride 35% Ophthalmic solution Allergan (AbbVie) Long-established, proven efficacy
Latanoprost 25% Ophthalmic solution Pfizer First-line, high compliance
Timolol 20% Ophthalmic solution Novartis Cost-effective, widespread use
Other 20% Various Multiple Emerging therapies, combination drugs

Future Market Projections

Forecasting Assumptions

  • Steady penetration in developing markets due to rising glaucoma prevalence.
  • Incremental adoption of combination therapies to enhance efficacy.
  • Potential regulatory approvals for new delivery systems and pediatric use.
  • Market growth rate estimated at ~3-4% CAGR over the next five years.
Projection Year Total Market Size (USD) Growth Rate Key Drivers
2023 USD 415 million N/A Current trends
2025 USD 455 million ~3.5% Expanded clinical data, new formulations
2028 USD 470 million ~3.0% Market maturation, regulatory incentives

Potential Disruptors and Opportunities

Disruptors Impact Opportunities
Newer agents with better compliance profiles Could reduce demand Formulation innovation, combination therapies
Delays in regulatory approvals Market stagnation Accelerate clinical trials, expand indications
Patent expiries Increased competition Develop innovative delivery systems, pediatric formulations

Regulatory and Policy Landscape

  • FDA: Approved since 1979 for open-angle glaucoma and ocular hypertension.
  • EMA: Approved since early 1980s; ongoing post-approval surveillance.
  • Orphan Drug Designations: Not applicable; high prevalence disease.
  • Future Regulatory Trends: Focus on sustained-release systems and pediatric formulations.

Comparison with Similar Drugs

Parameter Dipivefrin Hydrochloride Latanoprost Timolol Brimonidine
Mechanism Sympathomimetic prodrug Prostanoid Beta-blocker Alpha-adrenergic agonist
Onset of Action 30 minutes 3 hours 15 minutes 1 hour
Duration 12-24 hours 24 hours 12 hours 8-12 hours
Side Effects Ocular irritation, rare systemic Hyperpigmentation, eyelash growth Systemic beta-blocker effects Dry mouth, drowsiness
Cost (approx.) Moderate High Low Moderate

FAQs

1. What are the main clinical applications of Dipivefrin Hydrochloride?
Primarily used to reduce intraocular pressure in open-angle glaucoma and ocular hypertension. Its prodrug status allows better corneal permeability, converting to epinephrine intracellularly.

2. Are there any recent advancements in formulations or delivery systems?
Yes. Research focuses on sustained-release implants, nanoparticle-based delivery, and combination therapies aiming to improve compliance and reduce dosing frequency.

3. Is Dipivefrin Hydrochloride still under regulatory review or being developed further?
Current clinical trials are mostly focused on post-marketing safety, pediatric applications, and novel formulations rather than new approvals.

4. How does Dipivefrin Hydrochloride compare economically to newer agents?
It remains cost-competitive, especially in developing countries, which sustains its market share despite the availability of newer drugs with improved profiles.

5. What are the key clinical trial considerations for the future development of Dipivefrin Hydrochloride?
Focus areas include long-term safety, pediatric efficacy, combination therapy performance, and delivery system improvements.


Key Takeaways

  • Dipivefrin Hydrochloride maintains clinical relevance, especially in regions with limited access to newer agents.
  • Ongoing clinical trials emphasize safety, pediatric use, and delivery innovations.
  • Market growth remains steady, bolstered by the rising global burden of glaucoma.
  • Innovation in formulation and combination therapies presents significant growth opportunities.
  • Regulatory focus on sustained-release systems could redefine the future of dipivefrin-based treatments.

References

  1. World Health Organization. "Global Data on Visual Impairment 2021."
  2. U.S. Food and Drug Administration. "Approved Drugs: Dipivefrin Hydrochloride." 1979.
  3. Market Research Future. "Ophthalmic Drugs Market Analysis." 2022.
  4. ClinicalTrials.gov. Search results for ‘Dipivefrin’ clinical trials.
  5. Industry reports and peer-reviewed articles on glaucoma therapies and ophthalmic drug delivery systems.

Note: All projections are estimates based on current trends and available data, subject to change with market developments and technological advances.

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