List of Excipients in Branded Drug CLOMIPRAMINE HYDROCHLORIDE

Company	Tradename	Ingredient	NDC	Excipient	Potential Generic Entry
SpecGx LLC	CLOMIPRAMINE HYDROCHLORIDE	clomipramine hydrochloride	0406-8806	D&C RED NO. 33
SpecGx LLC	CLOMIPRAMINE HYDROCHLORIDE	clomipramine hydrochloride	0406-8806	D&C YELLOW NO. 10
SpecGx LLC	CLOMIPRAMINE HYDROCHLORIDE	clomipramine hydrochloride	0406-8806	FD&C YELLOW NO. 6

Generic Drugs Containing CLOMIPRAMINE HYDROCHLORIDE

Company	Ingredient	NDC	Excipient
Mylan Pharmaceuticals Inc	clomipramine hydrochloride	0378-3025	D&C RED NO. 28
Mylan Pharmaceuticals Inc	clomipramine hydrochloride	0378-3025	D&C YELLOW NO. 10
Mylan Pharmaceuticals Inc	clomipramine hydrochloride	0378-3025	FD&C BLUE NO. 1

What are the Most Frequently-Used Excipients in CLOMIPRAMINE HYDROCHLORIDE?

# Of NDCs	Excipient
6	ALCOHOL
8	AMMONIA
6	BUTYL ALCOHOL

Excipient Strategy and Commercial Opportunities for Clomipramine Hydrochloride

Last updated: February 25, 2026

What are the key excipient considerations for Clomipramine Hydrochloride formulations?

Clomipramine Hydrochloride is a tricyclic antidepressant (TCA) primarily used to treat obsessive-compulsive disorder (OCD), major depressive disorder, and panic attacks. Its formulation challenges revolve around stability, bioavailability, and patient tolerability, which influence excipient selection.

Core excipient functions

• Disintegrants: Facilitate tablet breakup for absorption; common options include croscarmellose sodium and sodium starch glycolate.
• Binders: Provide tablet cohesion; microcrystalline cellulose (MCC) is standard.
• Fillers/diluents: Adjust dosage form size; dicalcium phosphate and lactose are frequently used.
• Lubricants: Minimize manufacturing friction; magnesium stearate is typical.
• Glidants: Improve powder flow; colloidal silica often employed.

Compatibility considerations

Clomipramine's chemical instability in moist or acidic environments necessitates excipients that enhance chemical stability. The choice of excipients must mitigate drug degradation, especially since the molecule is susceptible to hydrolysis and oxidative reactions.

Formulation types and excipient strategies

• Immediate-release tablets: Targeted for quick onset; require fast disintegrants and suitable binders.
• Extended-release formulations: Demand matrix or coating technologies; excipients like hydroxypropyl methylcellulose (HPMC) and ethylcellulose are common.

Delivery challenges

Clomipramine exhibits high lipophilicity, impacting its solubility and absorption. Formulations enhancing solubilization—such as inclusion of surfactants—may improve bioavailability.

What are the commercial opportunities associated with excipient innovation for Clomipramine?

Market landscape

The global antidepressant market reached USD 15.5 billion in 2021, with a CAGR of 2.3% projected until 2028 [1]. Clomipramine, though off-patent, retains a steady market in off-label uses and in regions with limited generic competition.

Opportunities in formulation differentiation

• Generic differentiation: Developing proprietary formulations with improved tolerability or bioavailability adds value.
• Extended-release products: Provide dosing convenience, potentially commanding premium pricing.
• Combination therapies: Formulating with other antidepressants or anxiolytics could meet unmet needs.

Excipient innovation and value creation

• Biodegradable and patient-friendly excipients: With growing regulation, using excipients that improve tolerability and reduce side effects can differentiate products.
• Stability-enhancing excipients: Extended shelf life reduces logistical costs, attractive in emerging markets.
• Novel delivery systems: Transdermal patches or implantable devices utilizing specialized excipients open new avenues for market expansion.

Regulatory and supply chain impact

Excipients compliant with pharmacopeial standards and familiar to regulators streamline approval pathways. Securing supply chains for innovative excipients balances innovation with manufacturing reliability.

What are the strategic considerations for pharmaceutical companies?

• Investing in excipient development enhances formulation robustness.
• Leveraging regulatory incentives for novel excipients can accelerate market access.
• Partnering with excipient manufacturers for co-developing tailored solutions reduces R&D costs.
• Monitoring regional regulatory environments guides formulation strategies—some markets favor specific excipients for ease of approval.

Summary of critical data points

Aspect	Details	Implications
Market size	USD 15.5 billion in 2021; CAGR 2.3% until 2028	Steady demand, opportunities for niche formulations
Formulation types	Immediate-release, extended-release	Innovation can command premium pricing
Excipient focus	Stability, bioavailability, tolerability	Differentiation through tailored excipients
Regulatory trends	Emphasis on excipient safety and supply security	Prioritize compliant, reliable excipients

Key Takeaways

• Excipient selection impacts Clomipramine Hydrochloride's stability, bioavailability, and tolerability.
• Innovations in excipient technology—such as biodegradable or stability-enhancing excipients—offer differentiation prospects.
• Extended-release formulations and combination therapies can leverage existing market demand.
• Regulatory environments favor excipients with clear safety profiles and supply chain reliability.
• Commercial opportunities exist in niche formulations, especially where differentiation can command premium prices.

FAQs

1. What are the primary excipients used in Clomipramine Hydrochloride tablets?
   Croscarmellose sodium, microcrystalline cellulose, lactose, magnesium stearate, and colloidal silica.

2. How does excipient choice affect the stability of Clomipramine?
   Excipients influence moisture levels, pH, and oxidative environment, impacting degradation pathways.

3. Are there opportunities to improve bioavailability through excipients?
   Yes, incorporating surfactants or using lipid-based excipients can enhance solubilization.

4. What regulatory considerations are relevant for excipient selection?
   Use of excipients with established safety profiles, compliant with pharmacopeial standards, accelerates approval.

5. Which market segments are most receptive to formulation innovation in Clomipramine?
   Markets demanding extended-release products, improved tolerability, or combination therapies provide the most opportunities.

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References

[1] IQVIA Institute. (2022). The Global Use of Medicines in 2022. IQVIA.