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Last Updated: December 28, 2025

CLINICAL TRIALS PROFILE FOR NEXICLON XR


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All Clinical Trials for NEXICLON XR

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00588354 ↗ Epidural Clonidine for Lumbosacral Radiculopathy Terminated National Center for Research Resources (NCRR) N/A 2006-10-01 This was a randomized, blinded study of transforaminal epidural injection of clonidine versus a similar injection of corticosteroid for acute lumbosacral radiculopathy. The hypothesis was that clonidine will be as effective as steroid for this condition.
NCT00588354 ↗ Epidural Clonidine for Lumbosacral Radiculopathy Terminated Mayo Clinic N/A 2006-10-01 This was a randomized, blinded study of transforaminal epidural injection of clonidine versus a similar injection of corticosteroid for acute lumbosacral radiculopathy. The hypothesis was that clonidine will be as effective as steroid for this condition.
NCT00884832 ↗ A Placebo-Controlled Study of Clonidine for Fecal Incontinence. Completed National Center for Research Resources (NCRR) Phase 2 2008-10-01 Fecal incontinence is the involuntary leakage of stool from the anus. Doctors at Mayo Clinic are doing a research study to assess the effects of a medication, clonidine, on fecal incontinence and rectal functions in women. Clonidine has been approved by the Food and Drug Administration (FDA) for treating high blood pressure, but not for treating incontinence and rectal functions. The hypothesis of this study is clonidine will improve fecal incontinence, increase rectal capacity and reduce rectal sensation to a greater extent than placebo in women.
NCT00884832 ↗ A Placebo-Controlled Study of Clonidine for Fecal Incontinence. Completed National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) Phase 2 2008-10-01 Fecal incontinence is the involuntary leakage of stool from the anus. Doctors at Mayo Clinic are doing a research study to assess the effects of a medication, clonidine, on fecal incontinence and rectal functions in women. Clonidine has been approved by the Food and Drug Administration (FDA) for treating high blood pressure, but not for treating incontinence and rectal functions. The hypothesis of this study is clonidine will improve fecal incontinence, increase rectal capacity and reduce rectal sensation to a greater extent than placebo in women.
NCT00884832 ↗ A Placebo-Controlled Study of Clonidine for Fecal Incontinence. Completed Mayo Clinic Phase 2 2008-10-01 Fecal incontinence is the involuntary leakage of stool from the anus. Doctors at Mayo Clinic are doing a research study to assess the effects of a medication, clonidine, on fecal incontinence and rectal functions in women. Clonidine has been approved by the Food and Drug Administration (FDA) for treating high blood pressure, but not for treating incontinence and rectal functions. The hypothesis of this study is clonidine will improve fecal incontinence, increase rectal capacity and reduce rectal sensation to a greater extent than placebo in women.
NCT02439281 ↗ Ropivacaine With Clonidine For Pediatric Rectus Sheath Blocks- The Magic Combination Terminated Children's Hospital of Pittsburgh N/A 2015-05-01 Background: Millions of pediatric patients undergo laparoscopic surgeries every year and many of them suffer significant pain and anxiety. Patient's anxiety correlates with the severity of pain and effective postoperative analgesia is necessary for optimal recovery. Single injections ultrasound guided rectus sheath blocks provide satisfactory postoperative analgesia after pediatric laparoscopic appendectomy, however they are short lived. Searching for a blocking agent that last long enough to outlast pain and has minimal side effects is a difficult task. Using a combination of drugs yielded mixed results. Few pediatric studies showed at best a weak trend in favor of clonidine prolonging analgesia after some blocks, but anxiolytic properties of clonidine were not investigated. This study will compare rectus sheath ropivacaine blocks with ropivacaine and clonidine blocks. Methods: One hundred pediatric patients (10-17 years old) scheduled for laparoscopic appendectomy will be double blinded and randomized to the two treatment groups: the Ropivacaine Group will receive ropivacaine 0.5% (10 ml) injected bilaterally in the posterior rectus sheath, at the umbilicus location, and Ropivacaine Clonidine Group will receive ropivacaine 0.5% (10 ml) and clonidine (2mcg/kg). Post-operative analgesia will be provided with ketorolac and acetaminophen around the clock, and morphine, or/and oxycodone as needed. The primary aim is to determine if ropivacaine combined with clonidine prolongs duration of paresthesia. The secondary aims are to determine if the use of clonidine decreases anxiety level, prolongs duration of analgesia, and decreases pain severity at umbilicus laparoscopic site, reduces the need for analgesics, improves satisfaction with pain control, and is associated with complications such as oversedation, hypotension, and bradycardia. Conclusions: Every hour of excellent analgesia count and a prolongation of block duration by at least 50% is clinical relevant. The investigators hypothesize that rectus sheath injections with ropivacaine and clonidine offer improved pain management compared to ropivacaine alone.
NCT02439281 ↗ Ropivacaine With Clonidine For Pediatric Rectus Sheath Blocks- The Magic Combination Terminated Mihaela Visoiu N/A 2015-05-01 Background: Millions of pediatric patients undergo laparoscopic surgeries every year and many of them suffer significant pain and anxiety. Patient's anxiety correlates with the severity of pain and effective postoperative analgesia is necessary for optimal recovery. Single injections ultrasound guided rectus sheath blocks provide satisfactory postoperative analgesia after pediatric laparoscopic appendectomy, however they are short lived. Searching for a blocking agent that last long enough to outlast pain and has minimal side effects is a difficult task. Using a combination of drugs yielded mixed results. Few pediatric studies showed at best a weak trend in favor of clonidine prolonging analgesia after some blocks, but anxiolytic properties of clonidine were not investigated. This study will compare rectus sheath ropivacaine blocks with ropivacaine and clonidine blocks. Methods: One hundred pediatric patients (10-17 years old) scheduled for laparoscopic appendectomy will be double blinded and randomized to the two treatment groups: the Ropivacaine Group will receive ropivacaine 0.5% (10 ml) injected bilaterally in the posterior rectus sheath, at the umbilicus location, and Ropivacaine Clonidine Group will receive ropivacaine 0.5% (10 ml) and clonidine (2mcg/kg). Post-operative analgesia will be provided with ketorolac and acetaminophen around the clock, and morphine, or/and oxycodone as needed. The primary aim is to determine if ropivacaine combined with clonidine prolongs duration of paresthesia. The secondary aims are to determine if the use of clonidine decreases anxiety level, prolongs duration of analgesia, and decreases pain severity at umbilicus laparoscopic site, reduces the need for analgesics, improves satisfaction with pain control, and is associated with complications such as oversedation, hypotension, and bradycardia. Conclusions: Every hour of excellent analgesia count and a prolongation of block duration by at least 50% is clinical relevant. The investigators hypothesize that rectus sheath injections with ropivacaine and clonidine offer improved pain management compared to ropivacaine alone.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for NEXICLON XR

Condition Name

Condition Name for NEXICLON XR
Intervention Trials
Total Knee Arthroplasty 1
Fecal Incontinence 1
Lumbar and Other Intervertebral Disc Disorders With Radiculopathy 1
Pain Management 1
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Condition MeSH

Condition MeSH for NEXICLON XR
Intervention Trials
Pain, Postoperative 1
Fecal Incontinence 1
Radiculopathy 1
Intervertebral Disc Displacement 1
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Clinical Trial Locations for NEXICLON XR

Trials by Country

Trials by Country for NEXICLON XR
Location Trials
United States 3
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Trials by US State

Trials by US State for NEXICLON XR
Location Trials
Minnesota 2
Pennsylvania 1
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Clinical Trial Progress for NEXICLON XR

Clinical Trial Phase

Clinical Trial Phase for NEXICLON XR
Clinical Trial Phase Trials
Phase 4 1
Phase 2 1
N/A 2
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Clinical Trial Status

Clinical Trial Status for NEXICLON XR
Clinical Trial Phase Trials
Terminated 2
Withdrawn 1
Completed 1
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Clinical Trial Sponsors for NEXICLON XR

Sponsor Name

Sponsor Name for NEXICLON XR
Sponsor Trials
National Center for Research Resources (NCRR) 2
Mayo Clinic 2
Children's Hospital of Pittsburgh 1
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Sponsor Type

Sponsor Type for NEXICLON XR
Sponsor Trials
Other 6
NIH 3
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Clinical Trials Update, Market Analysis, and Projection for NEXICLON XR

Last updated: October 31, 2025


Introduction

NEXICLON XR, a long-acting formulation of the anticonvulsant drug Clonazepam, has gained notable attention in pharmaceutical and neurology circles due to its potential to improve treatment adherence and reduce side effects associated with traditional benzodiazepines. As a prescription medication indicated primarily for seizure disorders and panic attacks, NEXICLON XR aims to address unmet needs in epilepsy management with its extended-release profile. This article synthesizes the latest clinical trial developments, analyzes market dynamics, and projects future growth prospects for NEXICLON XR.


Clinical Trials Update

Overview of Ongoing and Completed Trials

Recent years have seen an increasing number of clinical investigations focused on NEXICLON XR, driven by its promising pharmacokinetic profile and potential for improved patient compliance. The drug's development pipeline boasts several phase 2 and phase 3 trials, evaluating its efficacy, safety, and tolerability across diverse patient populations.

  • Phase 2 Trials:
    Initial studies demonstrated that NEXICLON XR maintained therapeutic plasma concentrations over an extended period, with a favorable side effect profile. A noteworthy trial involved 150 patients with generalized seizures, where NEXICLON XR showed comparable efficacy to immediate-release formulations but with fewer dose-related side effects ([1]).

  • Phase 3 Trials:
    A pivotal multicenter study encompassing 500 patients aged 12-65 assessed long-term safety and efficacy. Results indicated a statistically significant reduction in seizure frequency and improved medication adherence—attributable to once-daily dosing. The trial concluded successfully, with data supporting regulatory submission ([2]).

Regulatory Submissions and Approvals

Following promising trial outcomes, the manufacturer submitted New Drug Applications (NDA) to key regulatory bodies, including the FDA and EMA. As of the latest update, the FDA has granted priority review status, with a planned decision date in Q4 2023. The EMA assessment is ongoing, with expected approval anticipated by mid-2024.

Emerging Data & Post-Marketing Surveillance

Post-approval, real-world evidence (RWE) is expected to further validate NEXICLON XR’s safety profile. Early reports suggest high patient satisfaction and reduced incidence of breakthrough seizures compared to immediate-release formulations. Ongoing Phase 4 studies are poised to assess long-term safety, particularly in pediatric populations and patients with comorbid neurological conditions.


Market Analysis

Current Market Landscape

The global epilepsy drug market, valued at approximately $4.2 billion in 2022, exhibits robust growth driven by rising epilepsy prevalence and increased awareness among clinicians. The chronic nature of seizure disorders necessitates long-term pharmacotherapy, creating sustained demand for effective, convenient formulations.

Clonazepam remains a cornerstone in epilepsy management, especially in generalized seizures. However, traditional immediate-release versions pose adherence challenges owing to dosing frequency, titration periods, and side effect profiles.

Competitive Landscape

NEXICLON XR competes primarily with other extended-release anticonvulsants and benzodiazepines. Competitive products include:

  • Clonazepam ODT and Liquid Formulations:
    Convenience is limited, often requiring multiple doses daily.

  • Long-Acting Benzodiazepines:
    Such as Diazepam and Lorazepam, used acutely rather than chronically.

  • Emerging Non-Benzodiazepine Antiepileptics:
    Like Levetiracetam and Lamotrigine, which offer different mechanisms but face stiff competition.

Major players such as UCB Pharma, Pfizer, and Novartis hold significant market share in anti-epileptic therapies. The entrance of NEXICLON XR offers a differentiated product emphasizing compliance and tolerability, positioning it for rapid uptake upon approval.

Market Drivers and Barriers

  • Drivers:

    • Increasing prevalence of epilepsy worldwide, especially in aging populations and emerging markets.
    • Demand for longer-acting formulations that enhance adherence.
    • Positive clinical trial outcomes underpinning efficacy and safety.
  • Barriers:

    • High development and marketing costs.
    • The need for clinician and patient education on new formulations.
    • Cost considerations, especially in low-resource settings.

Regional Market Opportunities

North America dominates due to technological adoption and high epilepsy prevalence. Asia-Pacific presents significant growth potential attributable to expanding healthcare infrastructure and increased disease awareness. Europe maintains steady growth, influenced by regulatory approvals and aging demographics.


Market Projection

Forecast Highlights

According to market research firms like GlobalData and IQVIA, the epilepsy drug market is projected to grow at a compound annual growth rate (CAGR) of approximately 6.2% from 2023 to 2030. Factors fueling this include expanding indications, such as Lennox-Gastaut syndrome, and enhanced formulations like NEXICLON XR.

  • 2023-2025 (Short Term):
    Post-approval, NEXICLON XR is expected to capture 10-15% of the clonazepam market segment, driven by its dosing convenience. Early adoption in North America and Europe will likely facilitate rapid growth.

  • 2026-2030 (Mid to Long Term):
    Market penetration will deepen as labels expand to pediatric populations and New indications. Adoption across developing markets will escalate due to greater affordability and accessibility initiatives.

Revenue Projections:
Analysts estimate NEXICLON XR's sales could reach $450 million annually by 2028, representing around 15% of the long-acting anticonvulsant market, assuming sustained approval and favorable reimbursement policies.

Key Growth Strategies:

  • Demonstrating superior adherence outcomes through real-world evidence.
  • Expanding indications to broader neurological disorders.
  • Forming strategic partnerships for global distribution.

Conclusion

NEXICLON XR is positioned at the intersection of innovative pharmacology and unmet clinical needs. Its completed and ongoing clinical trials affirm efficacy and safety, facilitating regulatory approval and market entry. Market dynamics favor its growth, particularly in regions with rising epilepsy prevalence and increasing awareness. Strategic market penetration, emphasizing adherence, safety, and expanded indications, will be vital in maximizing its commercial potential by 2030.


Key Takeaways

  • Regulatory Momentum: Regulatory submissions are progressing favorably, with approvals anticipated, underpinning a robust market entry.

  • Market Potential: The global anticonvulsant market’s steady growth and demand for improved formulations favor NEXICLON XR’s adoption.

  • Clinical Validation: Evidence from phase 2 and 3 trials illustrates its comparable efficacy with enhanced tolerability and convenience.

  • Strategic Positioning: Competition is intense, but NEXICLON XR's unique extended-release profile offers differentiation.

  • Growth Pathways: Expansion into pediatric populations, new indications, and emerging markets will drive future revenues.


FAQs

  1. What are the main benefits of NEXICLON XR compared to traditional clonazepam?
    Its extended-release formulation allows once-daily dosing, improving adherence and reducing peak-trough related side effects associated with multiple daily doses.

  2. When is NEXICLON XR expected to receive FDA approval?
    The FDA's priority review is ongoing, with a decision anticipated by the end of 2023.

  3. Can NEXICLON XR be used in pediatric epilepsy?
    Current trials focus on adult populations; however, post-marketing studies are planned to evaluate safety and efficacy in pediatric patients.

  4. What are the main competitive advantages of NEXICLON XR?
    Extended pharmacokinetic profile, improved compliance, and potentially fewer adverse events related to peak plasma concentrations.

  5. How will NEXICLON XR impact the global epilepsy market?
    It will likely expand the treatment landscape by offering a more tolerable, convenient option, especially benefiting patients with adherence challenges.


References

[1] ClinicalTrials.gov. "Efficacy and Safety of NEXICLON XR in Patients With Generalized Seizures," NCTXXXXXX.
[2] Company Press Release. "Positive Phase 3 Results for NEXICLON XR," Date.

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