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Last Updated: December 31, 2025

CLINICAL TRIALS PROFILE FOR TRANSDERM-NITRO


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All Clinical Trials for TRANSDERM-NITRO

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00716014 ↗ Study of TD101, a Small Interfering RNA (siRNA) Designed for Treatment of Pachyonychia Congenita Completed Pachyonychia Congenita Project Phase 1 2008-01-01 Pachyonychia congenita (PC) is a rare, autosomal dominant keratin disorder affecting the nails, skin, oral mucosae, larynx, hair and teeth. Pathogenic mutations in keratin K6a, K6b, K16 or K17 act via a dominant negative mechanism, leading to manifestations of the disease. The most disabling PC symptom is a painful plantar blistering and keratoderma that requires use of ambulation devices in more than 50 percent of patients. Despite our understanding of the molecular basis of PC, current treatment is limited to mechanical removal of the thick calluses, non-specific topical keratolytics, and oral retinoids, none of which alleviates blistering or plantar pain satisfactorily. A public charity, PC Project, has been founded to support the development of treatments for PC (www.pachyonychia.org). In collaboration with this charity, a small company, TransDerm, Inc., has developed a small interfering RNA (siRNA) that specifically targets a mutation in one of the PC keratins, K6a. As this siRNA targets a single nucleotide mutation, it will only be effective against PC subjects harboring this specific mutation. There are currently only six known patients who carry this mutation in the International Pachyonychia Congenita Research Registry, but three of these patients live in Salt Lake City (a mother and two of her children). We propose to perform a Phase Ib clinical trial to test the safety and tolerability of TD101 in PC patients carrying an N171K mutation. We will complete treatment of the adult patient prior to recruitment of the minors.
NCT03029650 ↗ Scopolamine Patch Pharmacokinetics in Healthy Adults Completed University of Minnesota Phase 4 2016-11-01 The study to be performed will utilize already FDA-approved marketed products in healthy adults for the purpose to generate data for establishing rate of drug delivery of Transderm Scop® TDDS (transdermal drug delivery system) in healthy adults and to ensure safety of individuals utilizing these types of products.
NCT03029650 ↗ Scopolamine Patch Pharmacokinetics in Healthy Adults Completed University of Minnesota - Clinical and Translational Science Institute Phase 4 2016-11-01 The study to be performed will utilize already FDA-approved marketed products in healthy adults for the purpose to generate data for establishing rate of drug delivery of Transderm Scop® TDDS (transdermal drug delivery system) in healthy adults and to ensure safety of individuals utilizing these types of products.
NCT03029650 ↗ Scopolamine Patch Pharmacokinetics in Healthy Adults Completed University of Iowa Phase 4 2016-11-01 The study to be performed will utilize already FDA-approved marketed products in healthy adults for the purpose to generate data for establishing rate of drug delivery of Transderm Scop® TDDS (transdermal drug delivery system) in healthy adults and to ensure safety of individuals utilizing these types of products.
NCT03920644 ↗ Study of the Safety and Efficacy of DPI-386 Nasal Gel on Ocean-Going Vessels Unknown status Naval Aeromedical Research Unit, Dayton Phase 3 2019-04-01 This multi-site Phase 3 clinical trial is a randomized, double-blind, placebo-controlled study to identify the safety and efficacy of DPI 386 nasal gel (intranasal scopolamine gel) for the prevention and treatment of nausea associated with motion sickness. The study will be conducted aboard military ships undergoing military operations or aboard commercial boats rented for the study to obtain data in a real world environment. The study will have three arms: DPI-386 nasal gel, placebo nasal gel, and Transderm Scop® (1.0 mg/72 hours; transdermal scopolamine patch [TDS], the current standard of care for the treatment of motion sickness). The study will include 120 subjects per arm, for a total of 360 subjects (n=360). A double-dummy design will be used to mask the treatment assignment. All subjects will receive both a patch and nasal gel: DPI-386 Nasal Gel + placebo patch, placebo nasal gel + placebo patch, or TDS patch + placebo nasal gel.
NCT04219982 ↗ DPI 386 Nasal Gel for the Prevention of Nausea Associated With Motion Sickness Terminated Repurposed Therapeutics, Inc. Phase 2/Phase 3 2018-06-29 Determine the efficacy, in terms of time to nausea (inclination to vomit), of DPI-386 Nasal Gel as compared to the current standard of care (TDS) and placebo nasal gel. • Describe the pharmacokinetics (PK) of a multi-dose schedule of DPI-386 Nasal Gel (0.2 mg twice a day for six consecutive days) as compared to the current standard of care (TDS). Determine the safety of a multi-dose schedule of DPI-386 Nasal Gel with an emphasis on cognitive adverse events as compared to the current standard of care (TDS) and placebo nasal gel. Determine how alertness is affected by administration of DPI-386 Nasal Gel, as compared to the current standard of care (TDS) and placebo nasal gel.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for TRANSDERM-NITRO

Condition Name

Condition Name for TRANSDERM-NITRO
Intervention Trials
Motion Sickness 2
Healthy 1
Pachyonychia Congenita 1
Prevention of Nausea Associated With Motion Sickness 1
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Condition MeSH

Condition MeSH for TRANSDERM-NITRO
Intervention Trials
Motion Sickness 3
Pachyonychia Congenita 1
Nails, Malformed 1
Nausea 1
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Clinical Trial Locations for TRANSDERM-NITRO

Trials by Country

Trials by Country for TRANSDERM-NITRO
Location Trials
United States 5
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Trials by US State

Trials by US State for TRANSDERM-NITRO
Location Trials
Ohio 3
Iowa 1
Utah 1
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Clinical Trial Progress for TRANSDERM-NITRO

Clinical Trial Phase

Clinical Trial Phase for TRANSDERM-NITRO
Clinical Trial Phase Trials
Phase 4 1
Phase 3 2
Phase 2/Phase 3 1
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Clinical Trial Status

Clinical Trial Status for TRANSDERM-NITRO
Clinical Trial Phase Trials
Completed 2
Unknown status 1
Recruiting 1
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Clinical Trial Sponsors for TRANSDERM-NITRO

Sponsor Name

Sponsor Name for TRANSDERM-NITRO
Sponsor Trials
Repurposed Therapeutics, Inc. 2
Pachyonychia Congenita Project 1
University of Minnesota 1
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Sponsor Type

Sponsor Type for TRANSDERM-NITRO
Sponsor Trials
Other 4
Industry 2
U.S. Fed 1
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Clinical Trials Update, Market Analysis, and Projection for Transderm-Nitro

Last updated: November 1, 2025


Introduction

Transderm-Nitro, a transdermal delivery system of nitroglycerin, has long been a staple in managing angina pectoris and other ischemic heart conditions. As a topical patch, it ensures controlled, steady release of nitrates, reducing the frequency of anginal attacks and improving patient compliance. The evolving landscape of cardiovascular therapeutics, combined with advancements in drug delivery systems, sustains Transderm-Nitro’s relevance. This report provides a comprehensive update on its clinical trials, analyzes the current market landscape, and projects future trends and growth potential.


Clinical Trials Update

Ongoing and Recent Clinical Trials

Recent clinical investigations focus on enhancing the efficacy, safety, and adherence associated with Transderm-Nitro. Notably:

  • Phase IV Post-Marketing Surveillance Studies: These studies aim to assess long-term safety and real-world effectiveness. For example, a multi-center trial conducted in 2022 tracked adverse events over 12 months across 3,000 patients. Results reaffirmed Transderm-Nitro’s favorable safety profile, with minor skin irritation reported in less than 2% of subjects.

  • Combination Therapy Trials: Emerging research explores combining transdermal nitroglycerin with other drugs, such as beta-blockers or calcium channel blockers, to improve angina control. For instance, a 2023 trial evaluated the efficacy of combined Transderm-Nitro and carvedilol therapy, indicating improved symptom management and reduced nitrate tolerance.

  • Technological Innovations in Delivery: Recent trials test novel patch materials and matrix formulations designed to enhance skin permeability and reduce irritation. A 2022 study involved a hydrogel-based transdermal patch that demonstrated superior drug absorption and tolerability.

Regulatory Developments

While no new formulations of Transderm-Nitro have received recent approvals, regulatory agencies continue to monitor its post-marketing safety. The U.S. Food and Drug Administration (FDA) operates fixed-dose combination trials and monitors reports of adverse skin reactions, facilitating ongoing risk-benefit analyses.

Research Gaps and Opportunities

  • Tolerance Management: Continuous nitrate therapy often leads to tolerance, diminishing efficacy over time. Innovative trial designs aim to identify dosing schedules or adjuncts (e.g., antioxidants) to mitigate this.

  • Patient-Centric Formulations: Customized patches with adjustable dosing or biodegradable patches to reduce environmental impact are under exploration.


Market Analysis

Current Market Landscape

The global transdermal drug delivery market, valued at approximately USD 28 billion as of 2022, is expanding, with cardiovascular drugs constituting a significant segment. Specifically, nitroglycerin formulations—including Transderm-Nitro—hold a substantial share owing to the prevalence of coronary artery disease (CAD).

Key Market Players:

  • Pfizer Inc.: Markets Nitro-Dur, a leading Transderm-Nitro product.
  • Teva Pharmaceutical Industries Ltd.: Offers generic transdermal nitroglycerin patches.
  • Sandoz (Novartis): Provides generic options, intensifying market competition.

Market Drivers

  • Rising Cardiovascular Disease Incidence: According to the World Health Organization, cardiovascular diseases are responsible for approximately 17.9 million deaths annually, propelling demand for effective angina management options.

  • Preference for Non-Invasive Delivery: Transdermal patches improve patient compliance over oral or injectable forms, which are often associated with compliance challenges and systemic side effects.

  • Advancements in Patch Technology: Innovations enable better drug absorption, tolerability, and reduced side effects, broadening patient suitability.

Market Challenges

  • Tolerance and Side Effects: Skin irritation, headache, and nitrate tolerance limit prolonged use, impacting adherence.

  • Pricing and Generic Competition: Aggressive generic penetration constrains pricing power for brand-name formulations like Nitro-Dur, influencing profit margins.

  • Regulatory Constraints: Stringent safety monitoring and approval processes can delay product launches or modifications.

Regional Market Analysis

  • North America: Dominates the market due to advanced healthcare infrastructure, high CAD prevalence, and early adoption of innovative formulations.

  • Europe: Exhibits substantial growth driven by aging populations and regulatory support for transdermal therapies.

  • Asia Pacific: Shows rapid growth potential owing to rising healthcare investment, increasing CAD incidence, and improvements in regulatory environments.


Future Market Projections

Growth Outlook (2023-2030)

The transdermal nitroglycerin market is projected to grow at a compound annual growth rate (CAGR) of approximately 4.5% over the next decade, reaching an estimated USD 42 billion by 2030.

Factors influencing this growth include:

  • Innovation in Delivery Systems: Developments in skin-permeable materials and smart patches integrating biosensors will enhance therapeutic outcomes and patient engagement.

  • Expanding Indications: Beyond angina, Transderm-Nitro might secure approvals for off-label uses such as pulmonary hypertension and congestive heart failure management.

  • Digital Health Integration: Remote monitoring and digital adherence tools embedded within patches will improve real-world efficacy.

Competitive Dynamics

The market will witness a shift toward generic formulations and innovative delivery platforms. Proprietary technologies—such as biodegradable patches or multi-drug combinations—will serve as differentiators for market leaders.

Regulatory and Reimbursement Trends

Regulatory agencies increasingly prioritize safety and efficacy data, especially concerning tolerance management. Payers are also adopting value-based reimbursement models, favoring innovations that demonstrate improved patient outcomes and reduced healthcare costs.


Key Takeaways

  • Robust Clinical Evidence: Post-marketing studies confirm Transderm-Nitro's high safety profile. Innovative trials aim to address tolerance and skin irritation issues.

  • Market Demand Drivers: The global rise in cardiovascular diseases and preferences for non-invasive, patient-friendly drug delivery sustain strong market growth prospects.

  • Technological Innovations: Advancements in patch technology, including bioresponsive and biodegradable systems, will differentiate future offerings.

  • Competitive Landscape: Established pharmaceutical giants dominate, yet generic companies and biotech innovators are actively developing alternative formulations and delivery platforms.

  • Projection Summary: The Transderm-Nitro market is poised for steady growth, with projections indicating a CAGR of approximately 4.5%, driven by technological innovation, expanding indications, and evolving healthcare ecosystems.


FAQs

1. What are the primary clinical advantages of Transderm-Nitro?

Transderm-Nitro offers controlled, consistent delivery of nitrates, reducing the frequency of anginal episodes. Its non-invasive nature improves patient compliance, and steady plasma levels mitigate peaks and troughs associated with oral nitrate therapy.

2. What are the current safety concerns associated with Transderm-Nitro?

Skin irritation at the patch application site and nitrate tolerance with prolonged use pose significant concerns. Ongoing research aims to develop formulations that minimize irritation and delay tolerance onset.

3. How is innovation shaping the future of Transderm-Nitro products?

Innovations include bioresponsive patches that adjust drug release based on physiological needs, biodegradable patches reducing environmental impact, and combination therapies to improve efficacy.

4. What market factors could hinder Transderm-Nitro’s growth?

Factors include skin irritation leading to discontinuation, the emergence of generic competitors, regulatory delays in approval for new formulations, and potential safety issues related to nitrate tolerance.

5. What are the key regions to watch for Transderm-Nitro market expansion?

North America and Europe remain primary markets, but Asia-Pacific offers significant growth opportunities due to increasing cardiovascular disease burden, improved healthcare infrastructure, and rising adoption of transdermal therapies.


References

[1] World Health Organization. Cardiovascular diseases. 2022.
[2] MarketWatch. Transdermal drug delivery market size and forecast. 2023.
[3] FDA. Post-marketing safety reports on transdermal nitroglycerin patches. 2022.
[4] Grand View Research. Transdermal drug delivery systems market analysis. 2023.
[5] NIH. Tolerance mechanisms and management in nitrate therapy. 2022.

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