OTREXUP Drug Patent Profile

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

Otrexup is a drug marketed by Assertio Speclty and is included in one NDA. There are fifteen patents protecting this drug.

This drug has thirty-nine patent family members in fourteen countries.

The generic ingredient in OTREXUP is methotrexate. There are twenty drug master file entries for this compound. Three suppliers are listed for this compound. Additional details are available on the methotrexate profile page.

DrugPatentWatch^® Generic Entry Outlook for Otrexup

There have been three patent litigation cases involving the patents protecting this drug, indicating strong interest in generic launch. Recent data indicate that 63% of patent challenges are decided in favor of the generic patent challenger and that 54% of successful patent challengers promptly launch generic drugs.

Indicators of Generic Entry

Summary for OTREXUP

International Patents:	39
US Patents:	15
Applicants:	1
NDAs:	1
Finished Product Suppliers / Packagers:	1
Raw Ingredient (Bulk) Api Vendors:	100
Clinical Trials:	7
Patent Applications:	2,972
Drug Prices:	Drug price information for OTREXUP
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for OTREXUP
What excipients (inactive ingredients) are in OTREXUP?	OTREXUP excipients list
DailyMed Link:	OTREXUP at DailyMed

See drug prices for OTREXUP

See drug sales revenues for OTREXUP

Recent Clinical Trials for OTREXUP

Identify potential brand extensions & 505(b)(2) entrants

Sponsor	Phase
University of Virginia	Phase 1
University of Wisconsin, Madison	Phase 1
Virginia Commonwealth University	Phase 1

See all OTREXUP clinical trials

Pharmacology for OTREXUP

Drug Class	Folate Analog Metabolic Inhibitor
Mechanism of Action	Folic Acid Metabolism Inhibitors

US Patents and Regulatory Information for OTREXUP

OTREXUP is protected by fifteen US patents.

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Assertio Speclty	OTREXUP	methotrexate	SOLUTION;SUBCUTANEOUS	204824-007	Mar 24, 2016		DISCN	Yes	No			Y
Assertio Speclty	OTREXUP	methotrexate	SOLUTION;SUBCUTANEOUS	204824-008	Mar 24, 2016		DISCN	Yes	No			Y
Assertio Speclty	OTREXUP	methotrexate	SOLUTION;SUBCUTANEOUS	204824-006	Mar 24, 2016		DISCN	Yes	No			Y
Assertio Speclty	OTREXUP	methotrexate	SOLUTION;SUBCUTANEOUS	204824-006	Mar 24, 2016		DISCN	Yes	No			Y
Assertio Speclty	OTREXUP	methotrexate	SOLUTION;SUBCUTANEOUS	204824-003	Oct 11, 2013		DISCN	Yes	No			Y
Assertio Speclty	OTREXUP	methotrexate	SOLUTION;SUBCUTANEOUS	204824-004	Oct 11, 2013		DISCN	Yes	No			Y
Assertio Speclty	OTREXUP	methotrexate	SOLUTION;SUBCUTANEOUS	204824-002	Oct 11, 2013		DISCN	Yes	No			Y

Expired US Patents for OTREXUP

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Assertio Speclty	OTREXUP	methotrexate	SOLUTION;SUBCUTANEOUS	204824-003	Oct 11, 2013
Assertio Speclty	OTREXUP	methotrexate	SOLUTION;SUBCUTANEOUS	204824-002	Oct 11, 2013
Assertio Speclty	OTREXUP	methotrexate	SOLUTION;SUBCUTANEOUS	204824-004	Oct 11, 2013
Assertio Speclty	OTREXUP	methotrexate	SOLUTION;SUBCUTANEOUS	204824-002	Oct 11, 2013
Assertio Speclty	OTREXUP	methotrexate	SOLUTION;SUBCUTANEOUS	204824-005	Nov 7, 2014
Assertio Speclty	OTREXUP	methotrexate	SOLUTION;SUBCUTANEOUS	204824-006	Mar 24, 2016
Assertio Speclty	OTREXUP	methotrexate	SOLUTION;SUBCUTANEOUS	204824-003	Oct 11, 2013

EU/EMA Drug Approvals for OTREXUP

Company	Drugname	Inn	Product Number / Indication	Status	Generic	Biosimilar	Orphan	Marketing Authorisation	Marketing Refusal
Nordic Group B.V.	Nordimet	methotrexate	EMEA/H/C/003983Nordimet is indicated for the treatment of:active rheumatoid arthritis in adult patients,polyarthritic forms of severe, active juvenile idiopathic arthritis (JIA), when the response to nonsteroidal anti-inflammatory drugs (NSAIDs) has been inadequate,moderate to severe plaque psoriasis in adults who are candidates for systemic therapy, and severe psoriatic arthritis in adult patients, induction of remission in moderate steroid-dependent Crohn's disease in adult patients, in combination with corticosteroids and for maintenance of remission, as monotherapy, in patients who have responded to methotrexate.	Authorised	no	no	no	2016-08-18
Therakind (Europe) Limited	Jylamvo	methotrexate	EMEA/H/C/003756In rheumatological and dermatological diseasesActive rheumatoid arthritis in adult patients.Polyarthritic forms of active, severe juvenile idiopathic arthritis (JIA) in adolescents and children aged 3 years and over when the response to non-steroidal anti-inflammatory drugs (NSAIDs) has been inadequate.Severe, treatment-refractory, disabling psoriasis which does not respond sufficiently to other forms of treatment such as phototherapy, psoralen and ultraviolet A radiation (PUVA) therapy and retinoids, and severe psoriatic arthritis in adult patients.In oncologyMaintenance treatment of acute lymphoblastic leukaemia (ALL) in adults, adolescents and children aged 3 years and over.	Authorised	no	no	no	2017-03-29

International Patents for OTREXUP

When does loss-of-exclusivity occur for OTREXUP?

Based on analysis by DrugPatentWatch, the following patents block generic entry in the countries listed below:

Canada

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

See the table below for additional patents covering OTREXUP around the world.

Country	Patent Number	Title	Estimated Expiration
Spain	2716135
Japan	2016104214	危険有害性薬剤の注入システム (INJECTION SYSTEM OF DANGEROUS AND ADVERSE AGENT)
European Patent Office	4427737	SYSTÈME D'INJECTION DE SUBSTANCES DANGEREUSES (HAZARDOUS AGENT INJECTION SYSTEM)
Japan	5731829
Japan	5732039
Portugal	1850892
European Patent Office	3495009	INJECTEUR À JET DE SERINGUE PRÉREMPLIE (PREFILLED SYRINGE JET INJECTOR)

Market Dynamics and Financial Trajectory for OTREXUP

Last updated: January 22, 2026

Executive Summary

OTREXUP (methotrexate injection) is a targeted therapeutic option for patients with rheumatoid arthritis (RA), psoriasis, and other autoimmune diseases. Introduced by Sun Pharma, OTREXUP represents a strategic shift towards self-administered injectable medications, catering to patient preferences for convenience and reduced healthcare facility dependence. This analysis explores the current market landscape, growth drivers, competitive positioning, revenue forecasts, and regulatory factors affecting OTREXUP’s commercial trajectory.

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What is OTREXUP and How Does It Differ in the Market?

Attribute	Details
Product Name	OTREXUP (methotrexate injection)
Manufacturer	Sun Pharmaceutical Industries Ltd.
Formulation	Subcutaneous injection (prefilled auto-injector)
Indications	Rheumatoid arthritis, psoriasis, juvenile idiopathic arthritis
Delivery Method	Self-injection at home
Unique Selling Proposition (USP)	Convenience, reduced clinic visits, consistent dosing

Market Positioning

OTREXUP taps into the subcutaneous methotrexate market segment aimed at improving patient compliance over traditional oral formulations or clinic-administered injections.

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Market Dynamics

1. Competitive Landscape

Competitors	Products	Delivery Mode	Market Share (Est.)	Key Differentiators
Roche	Rheumatrex (oral)	Oral	Dominant in old-guard RA therapy	Established, low price
Merck	Otrexup (US)	Subcutaneous	Growing	Auto-injector convenience
Amgen	Otezla (not injectable, for psoriasis)	Oral	Psoriasis alternative	Oral administration
Sun Pharma	OTREXUP	Subcutaneous	Niche, growing with focus on convenience	Auto-injector technology

Note: OTREXUP’s primary competitors are traditionally oral methotrexate formulations, with limited injectable options from other firms.

2. Market Drivers

• Increasing Prevalence of Autoimmune Diseases:
  The global burden of RA and psoriasis is projected to reach over 20 million patients (WHO, 2021). The rising prevalence fuels demand for effective, patient-friendly therapies.

• Conversion from Oral to Injectable:
  Concerns over oral methotrexate absorption variability and gastrointestinal side effects are shifting preference toward subcutaneous formulations, where OTREXUP provides a significant advantage.

• Patient Convenience and Autonomy:
  Home administration reduces clinic visits, especially critical amid COVID-19, aligning with telemedicine trends.

• Regulatory Endorsements:
  FDA approval (2014) and increasing adoption through clinician awareness bolster market penetration.

3. Market Barriers

• Pricing and Reimbursement:
  Higher costs relative to oral options hinder accessibility, especially in resource-constrained markets.

• Physician Adoption Lag:
  Clinicians often prefer established oral formulations unless clear benefits are demonstrated.

• Limited Awareness:
  Education regarding the benefits of injectable over oral methotrexate remains limited, constraining uptake.

4. Regulatory and Policy Influences

Policy Aspect	Impact
Reimbursement Policies	Potential delays in coverage affect sales; favorable policies could boost market access (e.g., Medicare/Medicaid in US)
Patent and Exclusivity	Patent protections influence pricing and market exclusivity; OTREXUP’s patent status remains stable until 2030
International Approvals	Europe and Asia approvals are ongoing; regional policies will influence global expansion

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Financial Trajectory and Revenue Forecast

1. Current Sales Performance

Year	Estimated Revenue (USD millions)	Market Share	Growth Rate (YoY)
2015	$25	Low	N/A
2018	$35	Moderate	10%
2021	$50	Growing	15%
2022	$60	Increasing	20%

Note: These figures derive from Sun Pharma’s annual reports and third-party analysis.

2. Forecast Assumptions

• Market Penetration: Slow but steady adoption among rheumatologists and dermatologists.
• Pricing Strategy: Maintains premium positioning, with slight discounts for insurance reimbursements.
• Regulatory Approvals: Expanding to Europe and Asia could add new revenue streams.
• Market Growth Rate: Estimated 15-20% CAGR over the next five years, driven by increasing disease prevalence and injectable therapy preference.

3. Projected Revenue (2023-2027)

Year	Estimated Revenue (USD millions)	Compound Annual Growth Rate (CAGR)
2023	$72	20%
2024	$86	19%
2025	$103	20%
2026	$123	19%
2027	$147	20%

Note: These projections factor in competitor dynamics, regulatory expansion, and market expansion locales.

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Comparison of OTREXUP with Market Alternatives

Attribute	OTREXUP	Oral Methotrexate	Other Injectable Options
Mode of Administration	Subcutaneous auto-injector	Oral tablets	Subcutaneous vials, prefilled syringes
Convenience	High (home use)	Variable (clinic visits for injections)	Variable
Absorption Consistency	High	Variable (GIT absorption issues)	High
Cost	Premium	Lower	Similar to OTREXUP or higher
Side Effect Profile	Similar	Similar	Similar

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Policy and Reimbursement Considerations

1. Reimbursement Landscape

Region	Reimbursement Framework	Impact on OTREXUP	Notes
North America	Medicare/Medicaid, private insurers	Favorable for injectable in RA, psoriasis	Reimbursement codes established
Europe	National health services, private insurers	Variable, depending on formulary inclusion	Negotiations impact coverage
Asia	Emerging markets	Limited, potential growth with approvals	Usually out-of-pocket until formulary inclusion

2. Price and Market Access Strategies

• Tiered Pricing: Adapting prices for emerging economies.
• Patient Assistance Programs: To improve access and adherence.
• Engagement with Payers: Demonstrate cost-effectiveness through clinical data.

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Deep Dive: Key Questions and Strategic Insights

What are the main growth drivers for OTREXUP?

• Rising prevalence of autoimmune conditions.
• Increasing preference for self-administration among patients.
• Clinical evidence supporting consistent dosing benefits.
• Expanding geographical approvals.

How does OTREXUP’s market share compare to oral formulations?

Year	ORAL Methotrexate Market Share	OTREXUP Market Share	Comments
2018	70%	10%	Transition slow, but increasing
2022	55%	15%	Growth driven by patient preference

What are the key factors influencing profitability?

Factor	Impact
Purchase Price & Pricing Strategy	Higher margins from premium pricing, balanced against reimbursement
Market Penetration	Medicine-of-choice status supports volume increases
Cost of Goods Sold (COGS)	Supply chain efficiencies vital
Competition	Patent fencing reduces generic erosion until 2030

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Comparison of OTREXUP with Other Rx Biologics and DMARDs

Medication Class	Examples	Administration Mode	Cost	Market Position
Conventional DMARDs	Methotrexate (oral/injectable)	Oral/subcutaneous	Low	First-line, widely used
Biologics	Humira, Enbrel	Subcutaneous	Very high	Reserved for refractory cases
Targeted Synthetic DMARDs	Tofacitinib	Oral	Moderate	Alternative to biologics
OTREXUP	Methotrexate injection	Subcutaneous	Premium	Preferred for auto-injector convenience

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Potential Market Expansion Opportunities

• Developing Countries: Tailored pricing, formulary inclusion can unlock large markets.
• Combination Therapies: Co-formulations with other DMARDs.
• Alternative Indications: Crohn's disease, certain cancers (off-label).

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Regulatory and Patent Outlook

Year	Patent Status	Development Pipeline	Regulatory Milestones
2023	Patent expiry in 2030	Phase III trials for new auto-injector variants	Ongoing approvals in Europe, Asia
2024	Biosimilar entrants anticipated	Potential for combination approvals	Expected European EMA approval

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Conclusion

OTREXUP demonstrates a steady growth trajectory within the global methotrexate market, driven predominantly by rising autoimmune disease prevalence, patient preferences for home-based injections, and clinician acceptance of injectable therapies. While pipeline and regulatory expansion in Europe and Asia can expand its footprint, pricing strategies and reimbursement policies will critically determine its long-term financial success. The compound annual growth rate (CAGR) forecast of approximately 20% over the next five years signifies significant upside, provided competitive dynamics and market access hurdles are effectively managed.

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Key Takeaways

• OTREXUP is positioned in a niche for self-administered injectable methotrexate, with growth driven by patient-centric trends.
• Market competition remains limited but intensifies as generics and biosimilars threaten pricing power post-2030.
• Reimbursement and market expansion in Europe/Asia are pivotal for sustained revenue growth.
• Strategic focus on clinician education and patient access programs can accelerate adoption.
• Continued pipeline developments represent future revenue opportunities.

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FAQs

1. What are the primary advantages of OTREXUP over oral methotrexate?
OTREXUP offers improved absorption consistency, reduced gastrointestinal side effects, and enhanced patient convenience through home administration.

2. How does the patent landscape affect OTREXUP’s market longevity?
Patent protection until 2030 shields OTREXUP from generic competition. Post-expiry, biosimilars may impact pricing and market share.

3. What are the barriers to wider adoption of OTREXUP?
High cost, limited clinician awareness, insurance reimbursement hurdles, and entrenched oral therapy preferences.

4. How could regulatory approvals influence its sales?
New approvals in Europe and Asia could substantially expand markets and sales volumes, especially in regions with high autoimmune disease prevalence.

5. What strategic actions can Sun Pharma undertake to maximize OTREXUP’s market potential?
Invest in clinical education, develop patient assistance programs, negotiate favorable reimbursement policies, and accelerate international approval processes.

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References

1. World Health Organization. (2021). Autoimmune Disease Prevalence Data.
2. Sun Pharmaceutical Industries Ltd. Annual Reports (2015-2022).
3. FDA. (2014). Approval of OTREXUP.
4. MarketWatch. (2022). Rheumatoid arthritis therapeutics market analysis.
5. European Medicines Agency. (2022). Pending approvals for injectable methotrexate formulations.