Last Updated: June 25, 2026

CLINICAL TRIALS PROFILE FOR KLONOPIN


✉ Email this page to a colleague

« Back to Dashboard


All Clinical Trials for KLONOPIN

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00652639 ↗ Bioavailability Study of Clonazepam Tablets Under Fasting Conditions Completed Cetero Research, San Antonio Phase 1 2004-02-01 To compare the single-dose bioavailability of Clonazepam tablets 1 mg and Klonopin tablets 1 mg
NCT00652639 ↗ Bioavailability Study of Clonazepam Tablets Under Fasting Conditions Completed Par Pharmaceutical, Inc. Phase 1 2004-02-01 To compare the single-dose bioavailability of Clonazepam tablets 1 mg and Klonopin tablets 1 mg
NCT00652912 ↗ Bioavailability Study of Clonazepam ODT Under Fasting Conditions Completed Cetero Research, San Antonio Phase 1 2004-03-01 To compare the single-dose bioavailability of Clonazepam ODT 1 mg and Klonopin Wafers 1 mg ODT
NCT00652912 ↗ Bioavailability Study of Clonazepam ODT Under Fasting Conditions Completed Gatway Medical Research, Inc Phase 1 2004-03-01 To compare the single-dose bioavailability of Clonazepam ODT 1 mg and Klonopin Wafers 1 mg ODT
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for KLONOPIN

Condition Name

Condition Name for KLONOPIN
Intervention Trials
Suicidal Ideation 2
To Determine Bioequivalence Under Fasting Conditions 2
Schizoaffective Disorder 1
Schizophrenia 1
[disabled in preview] 1
This preview shows a limited data set
Subscribe for full access, or try a Trial

Condition MeSH

Condition MeSH for KLONOPIN
Intervention Trials
Disease 3
Depression 2
Suicidal Ideation 2
Depressive Disorder, Major 2
[disabled in preview] 1
This preview shows a limited data set
Subscribe for full access, or try a Trial

Clinical Trial Locations for KLONOPIN

Trials by Country

Trials by Country for KLONOPIN
Location Trials
United States 5
This preview shows a limited data set
Subscribe for full access, or try a Trial

Trials by US State

Trials by US State for KLONOPIN
Location Trials
New York 3
California 1
New Jersey 1
This preview shows a limited data set
Subscribe for full access, or try a Trial

Clinical Trial Progress for KLONOPIN

Clinical Trial Phase

Clinical Trial Phase for KLONOPIN
Clinical Trial Phase Trials
Phase 4 3
Phase 3 1
Phase 2 1
[disabled in preview] 1
This preview shows a limited data set
Subscribe for full access, or try a Trial

Clinical Trial Status

Clinical Trial Status for KLONOPIN
Clinical Trial Phase Trials
Completed 5
Withdrawn 2
Terminated 1
[disabled in preview] 0
This preview shows a limited data set
Subscribe for full access, or try a Trial

Clinical Trial Sponsors for KLONOPIN

Sponsor Name

Sponsor Name for KLONOPIN
Sponsor Trials
New York State Psychiatric Institute 3
Cetero Research, San Antonio 2
Par Pharmaceutical, Inc. 2
[disabled in preview] 1
This preview shows a limited data set
Subscribe for full access, or try a Trial

Sponsor Type

Sponsor Type for KLONOPIN
Sponsor Trials
Other 12
Industry 3
NIH 2
[disabled in preview] 0
This preview shows a limited data set
Subscribe for full access, or try a Trial

Klonopin (clonazepam) Clinical Trials Update and Market Projection

Last updated: April 28, 2026

What is Klonopin (clonazepam) and what is the current clinical-development footprint?

Klonopin is a brand of clonazepam, a benzodiazepine indicated for conditions such as epilepsy (including Lennox-Gastaut syndrome and other seizure disorders) and panic disorder, with additional uses for anxiety-related conditions depending on jurisdiction and label specifics.

A “clinical trials update” for Klonopin must be framed as a post-approval product question: clonazepam is an established, off-patent small-molecule, and current trial activity is typically limited to (1) formulation/bioequivalence, (2) label-expansion work in specific geographies, or (3) comparative effectiveness studies rather than novel mechanism development.

What follows is the market- and development-relevant baseline: clonazepam is widely available as generics; competitive differentiation is driven by access, pricing, safety monitoring infrastructure, and prescriber behavior, not by new clinical outcomes from novel trials.

What are the current clinical trial signals for clonazepam/Klonopin?

No discrete, label-driving late-stage trial program for clonazepam is consistently visible as a near-term catalyst in major trial registries in the way it would be for a new molecular entity. Most visible trial activity for older benzodiazepines tends to fall into:

  • Bioequivalence / formulation studies (generic regulatory requirements)
  • Observational or real-world safety studies
  • Small comparator studies that do not create a new standard of care globally

Given Klonopin’s age and generic saturation, the market impact of most trial activity is limited to regional regulatory actions and product-level switching, not transformational clinical differentiation.

Is there a near-term clinical catalyst that can move unit demand?

For an off-patent molecule like clonazepam, near-term demand typically moves through:

  • Reimbursement and formulary status
  • Quantity and access controls driven by controlled-substance policies
  • Prescriber guideline changes for panic disorder and seizure management
  • Safety and abuse-mitigation enforcement (monitoring programs and prescribing limitations)

Clinical trials rarely change demand unless they produce a guideline shift or a specific regulatory action affecting indications, dosing forms, or risk-management requirements. For clonazepam, those types of catalysts are infrequent versus newer therapeutic classes.


What is the market structure for Klonopin (clonazepam), and how does it affect pricing?

How does generic competition shape the market?

Klonopin competes primarily with generic clonazepam across tablets and orally dissolving formats depending on country. This creates three consistent economics:

  1. Price compression relative to branded originator history
  2. Trading up or switching down based on formulary placement and WAC to payer net-price dynamics
  3. Lower R&D-driven differentiation and higher distribution leverage for incumbents and distributors

As branded status erodes, the “market” becomes a question of share among branded and generic SKUs, not therapeutic exclusivity.

What are the demand drivers?

Demand drivers for benzodiazepines like clonazepam concentrate in:

  • Epilepsy care pathways: sustained prescribing for specific seizure syndromes and adjunctive use
  • Panic disorder and acute anxiety management patterns
  • Long-term therapy stability in patients who respond and tolerate clonazepam
  • Healthcare access for chronic neurologic and psychiatric treatment

Offsetting factors:

  • Controlled-substance controls and payer restrictions
  • Safety concerns (sedation, dependence, overdose risk in combination with other CNS depressants)
  • Shift toward SSRIs/SNRIs and other first-line anxiety treatments for some patient segments

What are the practical constraints on revenue growth?

For established clonazepam:

  • Patent life is largely irrelevant for most markets today due to generic availability.
  • Revenue growth depends on population-level incidence plus price and mix, not on innovation.
  • Branded premium is typically narrow and temporary in most markets absent new dosage forms or special distribution advantages.

Market analysis: where can growth come from in clonazepam?

Base case demand economics

A credible projection for an off-patent CNS drug must rely on:

  • Population growth and incidence stability for epilepsy
  • Psychiatric care utilization for panic disorder
  • Substitution patterns within benzodiazepines and across anxiolytics

Because clonazepam lacks late-stage pipeline catalysts, projections align with:

  • Low single-digit volume growth in many mature markets
  • Moderate volume growth in regions where access to chronic epilepsy and psychiatric care expands
  • Price erosion continuing toward stable low-margin equilibrium in mature markets

Scenario framework (market outcome view)

  • Downside: tighter prescribing regulations, substitution away from benzodiazepines, and continuing payer restrictions
  • Base case: stable formulary access, continued generic availability, and steady chronic utilization
  • Upside: incremental expansions in accessible care and stable seizure/psychiatric guideline adherence to benzodiazepine adjunct strategies

How to project Klonopin revenue: unit and price logic

Projection approach

For clonazepam/Klonopin, the practical modeling approach for business decisions is:

  • Units: driven by chronic patient persistence and incident additions (seizure and panic disorder management)
  • Net price: driven by generics penetration, payer mix, and controlled-substance contracting dynamics

Key implication: without a new regulatory event (new indication or new dosage form with meaningful adoption), net price is the dominant headwind, while volume is the dominant stabilizer.


What markets matter most for projection?

Mature markets

  • Expected: continued generic share dominance, mature prescribing patterns, low growth ceiling
  • Growth levers: formulary access and distribution contracts

Emerging markets

  • Expected: higher access growth for chronic neuropsychiatric care, but with volatile pricing
  • Growth levers: procurement volume, tender dynamics, and local regulatory speed

Competitive landscape: what substitutes pressure Klonopin?

Clonazepam’s competitive set in practice includes:

  • Other benzodiazepines used for anxiety and seizure rescue/adjunct
  • Non-benzodiazepine anxiolytics for panic disorder first-line (SSRIs/SNRIs and related options)
  • For seizure care: broader anti-seizure medication classes that can displace adjunctive benzodiazepine use in some pathways

Because clonazepam fills a specific niche in certain seizure syndromes and panic dosing regimens, substitution is often partial.


Key Takeaways

  • Klonopin (clonazepam) is an established, off-patent benzodiazepine with limited likelihood of label-driving late-stage clinical catalysts in the near term.
  • The market is dominated by generic clonazepam, so economics are controlled by net price, formulary placement, and controlled-substance access rules, not by novel differentiation.
  • Projections should prioritize chronic utilization persistence (volume stability) against ongoing price compression (net revenue headwind).
  • Demand upside depends on care access growth and stable guideline adherence; downside depends on tighter prescribing and safety enforcement.

FAQs

1) Is Klonopin currently being developed as a new molecular entity?

No. Klonopin is an established product; current trial activity for clonazepam is typically regulatory or observational rather than a new therapeutic program.

2) What typically moves clonazepam demand more than clinical trials?

Formulary access, payer controls, controlled-substance prescribing enforcement, and chronic patient persistence in seizure and panic management.

3) How does generic competition affect Klonopin brand pricing?

Generic penetration drives sustained net price pressure and reduces brand premium to narrow contract-dependent ranges.

4) What would be a meaningful near-term market catalyst for clonazepam?

A regulatory action that changes access substantially, such as a new approved dosage form with adoption potential or a label/risk-management change that affects prescribing behavior.

5) What are the main substitution threats to clonazepam?

Other benzodiazepines and first-line non-benzodiazepine anxiety therapies, plus seizure-care treatment shifts within anti-seizure medication pathways.


References

[1] U.S. Food and Drug Administration. Klonopin (clonazepam) prescribing information. FDA label database.
[2] ClinicalTrials.gov. Clonazepam search results.
[3] World Health Organization. ATC/DDD classification and utilization context for benzodiazepines (clonazepam).
[4] Epilepsy Foundation. Guidelines and treatment context for benzodiazepines in seizure management.

More… ↓

⤷  Start Trial

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.