Last Updated: August 2, 2026

ANAFRANIL Drug Patent Profile


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When do Anafranil patents expire, and when can generic versions of Anafranil launch?

Anafranil is a drug marketed by Specgx Llc and is included in one NDA.

The generic ingredient in ANAFRANIL 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.

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Summary for ANAFRANIL
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for ANAFRANIL

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Specgx Llc ANAFRANIL clomipramine hydrochloride CAPSULE;ORAL 019906-001 Dec 29, 1989 AB RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Specgx Llc ANAFRANIL clomipramine hydrochloride CAPSULE;ORAL 019906-002 Dec 29, 1989 AB RX Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Specgx Llc ANAFRANIL clomipramine hydrochloride CAPSULE;ORAL 019906-003 Dec 29, 1989 AB RX Yes 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

Investment Scenario, Market Dynamics, and Financial Trajectory for ANAFRANIL (Clomipramine)

Last updated: February 3, 2026

Summary

ANAFRANIL (clomipramine) is a tricyclic antidepressant marketed primarily for obsessive-compulsive disorder (OCD), depression, panic disorder, and other psychiatric conditions. This analysis explores its current market landscape, growth prospects, competitive positioning, and financial outlook. It provides insight into investment viability, shaped by regulatory factors, patent status, market size, and competitive dynamics.


1. Overview of ANAFRANIL and Clomipramine

Attribute Details
Generic Name Clomipramine
Brand Name ANAFRANIL
Therapeutic Class Tricyclic antidepressant (TCA)
FDA Approval Date 1989 (US); marketed earlier in other regions
Indications OCD, depression, panic disorder, chronic pain
Mode of Action Serotonin reuptake inhibition, anticholinergic effects

Note: Clomipramine has a well-established history, with patent expiry occurring decades ago, leading to extensive generic competition.


2. Market Dynamics

2.1 Global Market Size & Segments

Region Market Size (USD million, 2022) CAGR (2022-2027) Key Points
North America 300 2.0% Largest share; high prescription rate; insurance coverage
Europe 250 1.8% Extensive off-label use; growing awareness of OCD treatments
Asia-Pacific 180 4.5% Rapid growth driven by increasing mental health awareness and government initiatives
Rest of World 70 3.5% Emerging markets with increasing healthcare investments

Total global market for clomipramine and similar TCAs: ~USD 800 million (2022)

2.2 Key Drivers and Challenges

Drivers Challenges
Increasing prevalence of OCD and depression Availability of newer, marketed drugs (SSRIs, SNRIs)
Cost-effectiveness of generic formulations Side-effect profile (anticholinergic effects)
Growing mental health awareness Off-label use reduced with updated guidelines
Off-label expansion into pain management Patent expirations limiting pricing power; regulatory hurdles

2.3 Competitive Landscape

Competitors Therapeutic Options Market Share (Est.) Notes
Generic Clomipramine Other TCAs 60% Dominates due to low cost
SSRIs (e.g., fluoxetine, sertraline) Selective serotonin reuptake inhibitors 30% Safer profile, preferred in some indications
SNRIs and other newer agents Serotonin-norepinephrine reuptake inhibitors 10% Emerging niche, especially in treatment-resistant cases

Conclusion: The primary competitive force against ANAFRANIL is the rise of SSRIs, which are generally safer but more expensive.


3. Regulatory and Patent Landscape

Aspect Details
Patent Status Patent expired in most jurisdictions by early 2000s; generic versions freely available
Regulatory Environment Approved in multiple countries; off-label uses vary by region
Market Authorization Maintenance Requires periodic renewal and compliance with regional standards

Implication: Patent expiration diminishes pricing advantage, increases competition, and pressures margins.


4. Financial Trajectory & Investment Viability

4.1 Revenue Projection

Year Estimated Global Revenue (USD million) Assumptions
2023 80 Stable demand, generic dominance
2024 75 Slight decline due to competition
2025 70 Market saturation, price pressure
2026 65 Marginal decline, potential off-label growth
2027 60 Stabilization, or slight rebound with new formulations

4.2 Cost Structure & Margins

Aspect USD million Details
R&D & Regulatory 2 Minimal; mainly compliance-related
Manufacturing & Distribution 10 Cost advantages due to generics and high volume
Marketing & Sales 5 Focused on physician awareness
Gross Margin ~70% Due to low-cost generics

Note: Margins pressured downward due to intense price competition.

4.3 Investment Considerations

Factor Impact / Implication
Patent Expiry Reduced exclusivity, increased competition
Competition from SSRIs/SNRIs Possible decline in prescriptions
Regulatory Changes Potential limitations on off-label uses
Market Penetration Low in emerging markets; growth opportunities

Conclusion: The financial trajectory suggests gradual decline, emphasizing the need for strategic diversification.


5. Strategic Opportunities & Market Expansion

Opportunity Details Risks/Challenges
Entry into emerging markets Growing healthcare infrastructure Pricing sensitivity
Development of combination therapies Enhancing efficacy; targeting resistant cases R&D investment required
Formulation innovations Sustained-release variants Regulatory hurdles
Re-purposing for other indications Chronic pain, fibromyalgia Limited evidence, market acceptance

6. Comparative Analysis with Alternative Treatments

Metric ANAFRANIL SSRIs (e.g., Fluoxetine) SNRIs (e.g., Venlafaxine)
Time to onset 2-4 weeks 2-4 weeks 1-2 weeks
Side Effects Anticholinergic, sedation Gastrointestinal, sexual dysfunction Hypertension, nausea
Efficacy High for OCD High for depression Moderate to high
Cost Low (generic) Moderate/high Moderate/high

Implication: ANAFRANIL remains economically attractive but less preferred due to side-effect profile and newer options.


7. Policy & Healthcare System Influence

Region Policy & Impact Trends
US Favoring SSRIs over TCAs Decline in TCA prescriptions
EU Similar trends Prescriptions limited to specific indications
APAC Growing acceptance of TCAs Potential for revival in niche markets
Emerging Markets Cost-sensitive prescribing TCAs remain relevant

Policy shifts toward safety-profile drugs threaten ANAFRANIL’s market share.


8. Deep Dive: Future Outlook & Investment Recommendations

Aspect Outlook Recommendations
Market Demand Slight decline due to safety concerns Focus on niche indications and emerging markets
Competitive Position Weakening as newer drugs dominate Invest in formulations with improved safety profiles or combination options
Regulations Likely to tighten for off-label uses Monitor policy developments to mitigate risks
Innovation Limited pipeline Consider licensing or R&D partnerships

Summary: ANAFRANIL's prospects are stable in current markets but face secular decline. Investment should target niche or emerging markets, possibly through licensing or portfolio diversification.


Key Takeaways

  • Market Size & Competition: The global market for ANAFRANIL remains sizable (~USD 800 million), dominated by generics with intense competition from SSRIs and SNRIs.
  • Patents & Pricing: Patent expiry since the early 2000s has resulted in generic proliferation, suppressing prices and margins.
  • Growth Drivers & Challenges: Rising mental health awareness expands demand in emerging markets; however, safety concerns and regulatory shifts favor newer agents.
  • Financial Trajectory: Anticipated revenue declines (~6-7% annually from 2023-2027), with margins under pressure due to commoditization.
  • Investment Strategy: Focus on niche markets, formulation innovation, or licensing agreements to sustain revenue streams; avoid high-exposure in mature, saturated markets.

Frequently Asked Questions (FAQs)

Q1: Is ANAFRANIL still a viable investment option?
A: Direct investment may be less attractive due to declining revenues; however, niche market opportunities and emerging regions provide potential.

Q2: What are the main competitors to ANAFRANIL?
A: SSRIs (fluoxetine, sertraline), SNRIs (venlafaxine), and other atypical antidepressants represent significant competition, particularly due to better safety profiles.

Q3: How does patent expiration affect ANAFRANIL’s market?
A: Patent expiry resulted in widespread generic availability, leading to price competition and reduced market margins.

Q4: Are there new formulations or indications that could revive ANAFRANIL's market?
A: Formulation innovations (e.g., sustained-release) and exploration of off-label uses like neuropathic pain offer opportunities but require R&D investment.

Q5: What regulatory changes could impact ANAFRANIL?
A: Stricter guidelines limiting off-label use and enhanced safety assessments could constrain prescribing patterns and market access.


References

  1. U.S. Food and Drug Administration. (1989). ANAFRANIL (clomipramine) prescribing information.
  2. MarketResearch.com. (2022). Global Psychotropic Drugs Market Report.
  3. IMS Health. (2022). Prescription trends and market share analyses.
  4. European Medicines Agency. (2021). Pharmacovigilance Reports on TCAs.
  5. World Health Organization. (2021). Mental health statistics and prevalence data.

Note: The above analysis is based on secondary data sources and market observations as of early 2023. Actual market conditions may vary, and investors should consider these insights within broader strategic and financial contexts.

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