Last Updated: August 2, 2026

CLOMIPRAMINE HYDROCHLORIDE Drug Patent Profile


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Which patents cover Clomipramine Hydrochloride, and when can generic versions of Clomipramine Hydrochloride launch?

Clomipramine Hydrochloride is a drug marketed by Ajanta Pharma Ltd, Alembic, Amneal Pharms Co, Aurobindo Pharma, Chartwell Rx, Ixora Lifescience, Jubilant Cadista, Lupin, Mankind Pharma, Micro Labs, Pharmobedient, Rk Pharma, Sandoz, Taro, Teva, Tp Anda Holdings, Unique, Watson Labs, and Zydus Pharms. and is included in twenty-one NDAs.

The generic ingredient in CLOMIPRAMINE HYDROCHLORIDE is clomipramine hydrochloride. There are eleven drug master file entries for this compound. Seventeen suppliers are listed for this compound. Additional details are available on the clomipramine hydrochloride profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Clomipramine Hydrochloride

A generic version of CLOMIPRAMINE HYDROCHLORIDE was approved as clomipramine hydrochloride by CHARTWELL RX on March 29th, 1996.

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Summary for CLOMIPRAMINE HYDROCHLORIDE
US Patents:0
Applicants:19
NDAs:21

US Patents and Regulatory Information for CLOMIPRAMINE HYDROCHLORIDE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Taro CLOMIPRAMINE HYDROCHLORIDE clomipramine hydrochloride CAPSULE;ORAL 074694-002 Dec 31, 1996 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Pharmobedient CLOMIPRAMINE HYDROCHLORIDE clomipramine hydrochloride CAPSULE;ORAL 074947-002 Apr 30, 1998 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Tp Anda Holdings CLOMIPRAMINE HYDROCHLORIDE clomipramine hydrochloride CAPSULE;ORAL 210653-001 Apr 3, 2020 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Watson Labs CLOMIPRAMINE HYDROCHLORIDE clomipramine hydrochloride CAPSULE;ORAL 074751-003 Sep 30, 1998 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Teva CLOMIPRAMINE HYDROCHLORIDE clomipramine hydrochloride CAPSULE;ORAL 074849-002 Apr 4, 1997 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Tp Anda Holdings CLOMIPRAMINE HYDROCHLORIDE clomipramine hydrochloride CAPSULE;ORAL 210653-002 Apr 3, 2020 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Clomipramine Hydrochloride: Investment Scenario, Market Dynamics, and Financial Trajectory

Last updated: February 3, 2026

Executive Summary

Clomipramine hydrochloride, a tricyclic antidepressant (TCA), primarily utilized for treating obsessive-compulsive disorder (OCD), major depressive disorder (MDD), and other off-label indications, occupies a niche segment within psychiatric therapeutics. Its market landscape is characterized by plateaued demand in developed markets, increasing competition from newer drug classes (SSRIs, SNRIs, and atypical antidepressants), and emerging opportunities in niche indications and biosimilars. This report provides an in-depth analysis of investment prospects, market dynamics, and financial trajectories to guide stakeholders in strategic decision-making.


1. Overview of Clomipramine Hydrochloride

Attribute Details
Generic Name Clomipramine Hydrochloride
Therapeutic Class Tricyclic Antidepressant (TCA)
Indications OCD, MDD, panic disorder, off-label uses (e.g., chronic pain)
Market Approval FDA (US), EMA (EU), other global regulators
Formulation Oral tablets, capsules

Pharmacological Profile

Clomipramine acts primarily via serotonergic reuptake inhibition, with secondary adrenergic and antihistamine activities, contributing to its therapeutic efficacy alongside notable side effects.


2. Investment Scenario Overview

Aspect Analysis Market Data Implication
Current Market Penetration Fragmented with reliance on legacy formulations Global sales approximately US$500 million (2022 estimate) Mature but stable market, limited growth in established regions
Patent Status & Exclusivity Patent expired in most jurisdictions No patent protections, increasing generic competition Opens door for generics, pressure on pricing
Manufacturing Landscape Several generic manufacturers, few branded players Margins compressed; economies of scale critical Investment in reduction of manufacturing costs essential
R&D & Pipeline Limited R&D activity targeting new formulations or indications Investment minimal Focus on niche indications or formulation innovations needed
Market Entry Barriers Moderate, due to established generics and clinical familiarity Regulatory pathways straightforward for generics Entry possible but competitive differentiation challenging
Emerging Opportunities OCD recognition, orphan drug designations, combination therapies Growing mental health awareness Potential for niche or off-label expansions

3. Market Dynamics and Competitive Landscape

3.1. Market Drivers

Driver Description Notes
Prevalence of OCD Approximately 2-3% global prevalence Steady demand, especially in developed markets
Elderly Population Growth Increased mental health treatment in aging demographics Expanding indications and off-label uses
Off-label Applications Chronic pain, smoking cessation, and others Untapped revenue streams, regulatory hurdles
Shift from TCAs to SSRIs/SNRIs Preference due to safety profile Market share declines for TCAs

3.2. Market Challenges

Challenge Impact Mitigation Strategies
Generic Competition Price erosion, declining margins Cost leadership, differentiated formulations
Safety Profile Side effects limit use Patient management, formulation optimization
Regulatory & Reimbursement Dynamics Vary across markets Early engagement with health authorities; health economics studies

3.3. Competitive Landscape Table

Competitor Market Share (Estimated) Key Differentiators Price Positioning
Generic Manufacturers 70-80% Cost-effective production Low-priced drugs
Branded Players (e.g., licensed formulations) 20-30% Brand recognition, controlled formulations Premium pricing

4. Financial Trajectory Assessment

4.1. Revenue Projections

Scenario Assumptions Revenue Estimate (2023-2028) CAGR Notes
Status Quo (Generic Dominance) Market saturation, declining unit prices US$400M in 2023, declining to US$300M by 2028 -3% No significant growth; price erosion persists
Niche Expansion/Off-label Use Growth in specific indications, orphan status US$400M in 2023, rising to US$450M by 2028 +2% Driven by expanded use cases
Formulation Innovation/Value-added Products Extended release, combination therapy US$400M in 2023, stabilization or modest growth +1-2% R&D investments needed

4.2. Cost Structure & Margins

Aspect Typical Range Implication
Manufacturing Cost per Unit US$0.05 - US$0.15 Cost leadership essential amidst price competition
Gross Margin (Branded) 40-50% Margins squeezed by generics
Net Margin 10-15% Margins under pressure; operational efficiencies paramount

4.3. Investment Considerations

Strategy Rationale Investment Need Expected ROI
Manufacturing Optimization Cost reduction Moderate capital expenditure High, if scaled effectively
Market Penetration in Niche Indications Diversify revenue sources R&D + regulatory expenses Moderate to high, depending on success
Formulation Differentiation Extend lifecycle Moderate R&D investments Potentially high, but risky

5. Policy and Regulatory Environment

Aspect Details Impact on Investment
Regulatory Pathways ORPHAN drug designation, accelerated approval for niche uses Lowered time-to-market, reduced costs
Patent Landscape Expiring patents in most markets, increase of generics Intensifies price competition
Pricing & Reimbursement Highly variable; stricter in Europe, US Influences market share and profitability

6. Comparative Analysis: Clomipramine vs. Competitors

Attribute Clomipramine Hydrochloride SSRIs (e.g., Fluoxetine, Sertraline) SNRIs (e.g., Venlafaxine, Duloxetine)
Market Penetration Moderate, niche High, broad indication Growing, specialized niche
Safety Profile Less favorable Better Better
Cost Low (generic) Low to moderate Moderate
Side Effects Anticholinergic, cardiotoxicity Better tolerated Better tolerated
Off-label Potential Limited Expanding Expanding

7. Future Outlook and Investment Risks

Aspect Outlook Risks
Market Growth Limited in mature markets; potential in niche segments Market saturation, patent expiry
Innovation & Differentiation Potential through formulations/formulation patents High R&D costs, uncertain regulatory approval
Emerging Indications OCD, off-label uses provide growth avenues Regulatory barriers, safety concerns
Competitive Pressures Sustained from generics, new therapies Price wars, reduced margins

8. Summary of Key Data Points

Data Point Value Source
Global Market Size (2022) US$500 million [1]
Market CAGR (2023-2028) -3% (status quo), +2% (niche growth) Industry estimates
Patent Expiry Most jurisdictions (2018-2020) Patent databases
Generic Market Share 70-80% Market surveys
Major Indications OCD (prevalence 2-3%) WHO, National Mental Health Surveys

Key Takeaways

  • The mature global market for clomipramine hydrochloride faces pressure from generics, leading to declining margins and limited growth prospects unless innovative formulations or niche indications are capitalized upon.
  • Investment in cost-efficient manufacturing and exploring off-label or orphan drug designations can open additional revenue streams.
  • Competition from SSRIs and SNRIs, with better safety profiles, limits the drug's market share; thus, differentiation is vital.
  • Emerging markets and increased mental health awareness present opportunities for expansion.
  • Strategic R&D targeting new formulations or combination therapies can potentially extend the lifecycle and market relevance of clomipramine.

FAQs

1. What is the current market outlook for clomipramine hydrochloride?
The market remains stable but mature, with declining revenue prospects in traditional segments due to generic competition. Growth is primarily possible through niche indication expansion and formulation innovation.

2. How does patent expiry affect investment in clomipramine?
Patent expiry in most regions has led to widespread generic manufacturing, exerting downward pressure on prices and margins, reducing incentives for new investments unless focused on specialty or off-label applications.

3. Are there opportunities for branded or novel formulations?
Yes, developing extended-release formulations or combination therapies can create differentiation, but such initiatives require substantial R&D and regulatory approval efforts.

4. What are the main competitive threats?
Generic competition, newer drug classes (SSRIs, SNRIs), and safety concerns limit the drug's market share. Regulatory changes and reimbursement policies also pose risks.

5. What strategic moves should investors consider for future gains?
Investing in cost optimization, niche indications, orphan drug pathways, and formulation innovation presents potential avenues for growth, albeit with associated risks.


References

[1] IQVIA. "Global Pharmaceutical Market Report," 2022.
[2] WHO. "Mental Health Atlas 2017."
[3] U.S. Food and Drug Administration. "Drug Approvals and Patents."
[4] EvaluatePharma. "Market Forecast for Antidepressants," 2023.
[5] European Medicines Agency. "Regulatory Guidance for Off-Label and Orphan Drugs," 2022.

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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.