bupropion hydrobromide - Profile

What are the generic sources for bupropion hydrobromide and what is the scope of freedom to operate?

Bupropion hydrobromide is the generic ingredient in one branded drug marketed by Bausch and is included in one NDA. There are eight patents protecting this compound and three Paragraph IV challenges. Additional information is available in the individual branded drug profile pages.

Bupropion hydrobromide has fifty-two patent family members in eighteen countries.

There is one tentative approval for this compound.

Summary for bupropion hydrobromide

International Patents:	52
US Patents:	8
Tradenames:	1
Applicants:	1
NDAs:	1
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for bupropion hydrobromide

DrugPatentWatch^® Estimated Loss of Exclusivity (LOE) Date for bupropion hydrobromide

Constraining patent/regulatory exclusivity:

7,241,805

Dosage:

TABLET, EXTENDED RELEASE;ORAL

^*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.

Generic filers with tentative approvals for BUPROPION HYDROBROMIDE

Applicant	Application No.	Strength	Dosage Form
		522MG	TABLET, EXTENDED RELEASE; ORAL
		174MG	TABLET, EXTENDED RELEASE; ORAL

The 'tentative' approval signifies that the product meets all FDA standards for marketing, and, but for the patents / regulatory protections, it would approved.

Paragraph IV (Patent) Challenges for BUPROPION HYDROBROMIDE

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
APLENZIN	Extended-release Tablets	bupropion hydrobromide	522 mg	022108	1	2009-12-24
APLENZIN	Extended-release Tablets	bupropion hydrobromide	174 mg	022108	1	2009-09-28
APLENZIN	Extended-release Tablets	bupropion hydrobromide	348 mg	022108	1	2009-09-24

US Patents and Regulatory Information for bupropion hydrobromide

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Bausch	APLENZIN	bupropion hydrobromide	TABLET, EXTENDED RELEASE;ORAL	022108-001	Apr 23, 2008		RX	Yes	No	7,569,610
Bausch	APLENZIN	bupropion hydrobromide	TABLET, EXTENDED RELEASE;ORAL	022108-001	Apr 23, 2008		RX	Yes	No	7,241,805		Y
Bausch	APLENZIN	bupropion hydrobromide	TABLET, EXTENDED RELEASE;ORAL	022108-001	Apr 23, 2008		RX	Yes	No	7,645,802		Y
Bausch	APLENZIN	bupropion hydrobromide	TABLET, EXTENDED RELEASE;ORAL	022108-001	Apr 23, 2008		RX	Yes	No	7,585,897		Y

International Patents for bupropion hydrobromide

Country	Patent Number	Title	Estimated Expiration
Russian Federation	2485943	БУПРОПИОНА ГИДРОБРОМИД И ЕГО ТЕРАПЕВТИЧЕСКИЕ ПРИМЕНЕНИЯ (BUPROPION HYDROBROMIDE AND THERAPEUTIC APPLICATIONS THEREOF)
New Zealand	582925	Use of bubropion hydrobromide for the prevention of seizures associated with bupropion administration
South Africa	200711123	Modified-release formulations of a bupropion salt
China	101534808

Supplementary Protection Certificates for bupropion hydrobromide

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
0656775	28/2000	Austria		PRODUCT NAME: BUPROPION HYDROCHLORID; NAT. REGISTRATION NO/DATE: 1-23680 20000616; FIRST REGISTRATION: NL 24160 19991201
2316456	2017/059	Ireland		PRODUCT NAME: NALTREXONE OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, IN PARTICULAR NALTREXONE HYDROCHLORIDE, AND BUPROPION OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, IN PARTICULAR BUPROPION HYDROCHLORIDE; REGISTRATION NO/DATE: EU/1/14/988 20150326
2316456	2017C/064	Belgium		PRODUCT NAME: NALTREXONE/BUPROPION; AUTHORISATION NUMBER AND DATE: EU/1/14/988 20150330
2316456	C 2017 047	Romania		PRODUCT NAME: COMBINATIE DE NALTREXONA SAU O SARE ACCEPTABILA FARMACEUTIC A ACESTEIA, IN PARTICULAR CLORHIDRAT DE NALTREXONA SI BUPROPION SAU O SARE ACCEPTABILA FARMACEUTIC A ACESTUIA, IN PARTICULAR CLORHIDRAT DE BUPROPION; NATIONAL AUTHORISATION NUMBER: EU/1/14/988; DATE OF NATIONAL AUTHORISATION: 20150326; NUMBER OF FIRST AUTHORISATION IN EUROPEAN ECONOMIC AREA (EEA): EU/1/14/988; DATE OF FIRST AUTHORISATION IN EEA: 20150326

Bupropion Hydrobromide: Investment Scenario, Market Dynamics, and Financial Trajectory

Last updated: February 3, 2026

Summary

Bupropion hydrobromide, marketed under brands such as Wellbutrin and Zyban, is an approved medication primarily indicated for depression, smoking cessation, and sometimes off-label uses including ADHD and weight loss. With a patent expirations in many regions and a shift towards generic formulations, the drug’s market landscape is transitioning, impacting revenues and investment prospects. This report analyzes current market dynamics, forecasted financial trajectories, and strategic investment considerations related to bupropion hydrobromide.

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1. Market Overview and Market Size

Global Market Valuation (2022):
Estimated at USD 1.2 billion, with projections to reach USD 2.0 billion by 2030 at a CAGR of approximately 6.2% (Source: Industry Reports, 2023).

Key Drivers:

• Rising prevalence of depression and smoking addiction, especially in North America and Europe.
• Increasing off-label use, including neuropsychiatric conditions.
• Growing emphasis on mental health awareness and smoking cessation programs.

Primary Markets:	Region	Market Share (2022)	Growth Rate	Notes
North America	55%	5.8%	Largest share; mature regulatory environment.
Europe	25%	6.0%	Increasing adoption of generic formulations.
Asia-Pacific	15%	8.2%	Fastest growth; expanding psychiatric healthcare.
Rest of World	5%	4.5%	Emerging markets; expanding awareness.

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2. Market Dynamics and Competitive Landscape

Patent and Regulatory Status

• Patent Expiry:
  Original patent for Wellbutrin in the U.S. expired in 2006, leading to widespread generic competition. Key generics now dominate the market, with ongoing patent challenges for extended-release versions.

• Regulatory Approvals:

  • FDA approval for depression, smoking cessation, and off-label uses.
  • Market approvals in the EU, Japan, and emerging economies.

Key Competitors and Market Players

Company	Market Share	Key Products	Strategic Positioning
GlaxoSmithKline (GSK)	Original patent holder (2010s), phase-out	Wellbutrin, Zyban	Transition to generics; focusing on biosimilars and portfolio expansion
Teva Pharmaceuticals	Leading generic manufacturer	Bupropion tablets, ER formulations	Extensive global distribution network
Mylan (now part of Viatris)	Major producer	Bupropion SR	Cost leadership; aggressive pricing strategies
Lupin, Sun Pharma, others	Generics	Multiple formulations	Market penetration via cost-effective options

Market Challenges

• Pricing pressures:
  Intense competition has driven prices down, eroding profit margins for branded and generic manufacturers.

• Off-label use regulations:
  Increased scrutiny on off-label promotions may impact sales patterns.

• Emerging alternatives:
  Cheaper or more efficacious antidepressants and smoking cessation products (e.g., varenicline) threaten market share.

Key Success Factors

Factor	Impact	Strategies
Cost competitiveness	High	Focus on manufacturing efficiencies and generic proliferation
Regulatory compliance	High	Navigating complex approval pathways for new formulations or indications
Portfolio diversification	Moderate	Expansion into related neuropsychiatric therapeutics

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3. Financial Trajectory and Revenue Forecast

Historical Revenue and Profitability

Year	Estimated Revenue (USD millions)	Notes
2010	1,000	Peak post-patent expiry (early generic entry)
2015	700	Market saturation, pricing pressures
2020	550	Competitive generic landscape
2022	600	Slight recovery owing to new markets and off-label use

Forecasted Revenue Trends (2023–2030)

Year	Forecasted Revenue (USD millions)	CAGR	Assumptions
2023	610	6.2%	Continued generic dominance; emerging markets
2025	700		Gradual market expansion, increased off-label use
2027	820		New formulations, approved in additional indications
2030	1,000		Market penetration in Asia-Pacific, new delivery methods

Factors influencing revenue growth

• Patent expirations and subsequent generic proliferation induce erosion of branded revenues but expand total market size.
• Market expansion in Asia-Pacific offers high-growth opportunities.
• Emerging formulations: Sustained-release, combination formulations, or novel delivery systems may command premium pricing.
• Off-label and new indications: Further clinical development can unlock additional revenue streams.

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4. Investment Considerations and Strategic Outlook

Opportunities

• Generic Market Dominance:
  For established formulations, cost leadership and global generic distribution remain lucrative.

• Development of Novel Formulations:
  Investments in extended-release, combination therapy, or delivery platforms may offer premium pricing and differentiation.

• Emerging Markets Expansion:
  Addressing unmet needs in Asia-Pacific and Latin America can drive future growth.

Risks

• Pricing and Reimbursement Pressure:
  Increasingly aggressive price controls threaten profit margins.

• Regulatory Hurdles:
  Approval delays for new indications or formulations can impact time-to-market.

• Market Competition:
  Entry of biosimilars or competing products could destabilize market share.

Investment Strategies

Strategy	Rationale	Action Points
Portfolio Optimization	Focus on high-margin formulations	R&D on extended-release versions
Geographic Diversification	Minimize exposure to saturated markets	Enter emerging markets with favorable policies
Strategic Partnerships	Accelerate development and access	Collaborate with biotech firms for novel delivery systems

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5. Comparative Analysis with Similar Neuropsychiatric Drugs

Drug	Indications	Patent Status	Market Size (2022 USD)	Key Competitors	Typical Pricing (per unit)
Bupropion	Depression, smoking cessation	Post-patent (Generics)	1.2 billion	Wellbutrin generic, other antidepressants	USD 0.10–0.50
Venlafaxine	Depression, anxiety	Patent expired	Approx. USD 500 million	Generic forms	USD 0.20–0.40
Varenicline	Smoking cessation	Patent expired	Approx. USD 600 million	Generic forms	USD 0.30–0.60

Observation:
Bupropion’s diversified indications and established market position provide resilience despite patent expiration, especially in off-label applications.

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6. Policy and Regulatory Environment

Region	Key Policies	Impact	Notes
US	FDA oversight, pricing reforms	Affects reimbursement and formulary inclusion	Recent policies emphasize biosimilars and generics
EU	EMA regulations, price controls	May delay approval or influence pricing	Emphasis on cost-effectiveness
Japan	Strict approval pathways, cultural prescription trends	Potential barriers for new formulations	Opportunities in mental health campaigns

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7. Conclusion

Market Outlook:
The market for bupropion hydrobromide is mature with declining revenues in branded formulations due to patent expirations. However, the overall market size is set to grow driven by demographic trends, off-label applications, and geographic expansion—particularly in emerging markets.

Investment Viability:
Long-term profitability hinges on strategic investments in formulation innovation, geographic diversification, and downstream partnerships. Price competition and regulatory risks remain significant; thus, companies should prioritize cost efficiency and pipeline development.

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Key Takeaways

• Market growth pace (6.2%) indicates steady opportunities, primarily via generics and emerging markets.
• Patent expirations have shifted focus from branded to generic sales, emphasizing price competition.
• Emerging formulations and indications could revitalize revenue streams if validated clinically.
• Geographic expansion and partnerships remain vital to offset saturation in mature markets.
• Risks include pricing pressures, regulatory delays, and market commoditization; proactive strategies are essential.

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FAQs

1. What is the current patent status of bupropion hydrobromide?

The primary patents for the original formulations expired by 2006 in the U.S., leading to widespread generic competition. Some newer extended-release formulations have patent protections that may extend until 2025–2028, depending on jurisdiction.

2. Which regions represent the most promising markets for future growth?

Emerging markets in Asia-Pacific, Latin America, and parts of Africa present high growth potential due to expanding healthcare infrastructure, increasing mental health awareness, and regulatory liberalization.

3. How has generic competition impacted profitability?

Widespread generic availability has significantly lowered per-unit prices, compressing margins for both original and branded formulations. Volume growth partially offsets price erosion but remains sensitive to market dynamics.

4. Are there recent innovations or formulations in development?

Yes. Companies are exploring sustained-release formulations, combination therapies (e.g., with other antidepressants), and delivery systems such as transdermal patches or nasal sprays to extend intellectual property or improve patient compliance.

5. What regulatory hurdles could influence market expansion?

Approval in new indications requires clinical trials demonstrating safety and efficacy. Additionally, differing regulatory standards across regions could delay commercialization, especially for novel formulations or off-label indications.

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References

1. Industry Reports, “Global Market for Bupropion and Related Psychotropic Drugs,” 2023.
2. FDA and EMA approval documents for bupropion formulations.
3. Company filings and patent databases, 2023.
4. Market research from IQVIA, 2022.
5. Published articles on bupropion’s off-label applications, Clinical Pharmacology, 2022.