ADCIRCA Drug Patent Profile

Which patents cover Adcirca, and what generic alternatives are available?

Adcirca is a drug marketed by Eli Lilly Co and is included in one NDA.

The generic ingredient in ADCIRCA is tadalafil. There are twenty-five drug master file entries for this compound. Forty-nine suppliers are listed for this compound. Additional details are available on the tadalafil profile page.

DrugPatentWatch^® Litigation and Generic Entry Outlook for Adcirca

A generic version of ADCIRCA was approved as tadalafil by TEVA PHARMS USA on May 22^nd, 2018.

Summary for ADCIRCA

US Patents:	0
Applicants:	1
NDAs:	1
Finished Product Suppliers / Packagers:	1
Raw Ingredient (Bulk) Api Vendors:	91
Clinical Trials:	23
Patent Applications:	6,652
Drug Prices:	Drug price information for ADCIRCA
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for ADCIRCA
What excipients (inactive ingredients) are in ADCIRCA?	ADCIRCA excipients list
DailyMed Link:	ADCIRCA at DailyMed

See drug prices for ADCIRCA

Recent Clinical Trials for ADCIRCA

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

Sponsor	Phase
Washington University School of Medicine	Phase 1
The Curtis L. Brown Glioblastoma Research Fund	Phase 1
Shanghai Institute of Materia Medica, Chinese Academy of Sciences	Phase 2

See all ADCIRCA clinical trials

Pharmacology for ADCIRCA

Drug Class	Phosphodiesterase 5 Inhibitor
Mechanism of Action	Phosphodiesterase 5 Inhibitors

Paragraph IV (Patent) Challenges for ADCIRCA

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
ADCIRCA	Tablets	tadalafil	20 mg	022332	1	2009-10-15

US Patents and Regulatory Information for ADCIRCA

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Eli Lilly Co	ADCIRCA	tadalafil	TABLET;ORAL	022332-001	May 22, 2009	AB2	RX	Yes	Yes

EU/EMA Drug Approvals for ADCIRCA

Company	Drugname	Inn	Product Number / Indication	Status	Generic	Biosimilar	Orphan	Marketing Authorisation	Marketing Refusal
Viatris Limited	Talmanco (previously Tadalafil Generics)	tadalafil	EMEA/H/C/004297Talmanco is indicated in adults for the treatment of pulmonary arterial hypertension (PAH) classified as WHO functional class II and III, to improve exercise capacity. Efficacy has been shown in idiopathic PAH (IPAH) and in PAH related to collagen vascular disease.	Authorised	yes	no	no	2017-01-09
Eli Lilly Nederland B.V.	Tadalafil Lilly	tadalafil	EMEA/H/C/004666Treatment of erectile dysfunction in adult males.In order for tadalafil to be effective, sexual stimulation is required.Tadalafil Lilly is not indicated for use by women.Treatment of the signs and symptoms of benign prostatic hyperplasia in adult males.	Authorised	no	no	no	2017-03-22
Eli Lilly Nederland B.V.	Adcirca (previously Tadalafil Lilly)	tadalafil	EMEA/H/C/001021AdultsTreatment of pulmonary arterial hypertension (PAH) classified as WHO functional class II and III, to improve exercise capacity (see section 5.1).Efficacy has been shown in idiopathic PAH (IPAH) and in PAH related to collagen vascular disease.Paediatric populationTreatment of paediatric patients aged 2 years and above with pulmonary arterial hypertension (PAH) classified as WHO functional class II and III.	Authorised	no	no	no	2008-10-01
Eli Lilly Nederland B.V.	Cialis	tadalafil	EMEA/H/C/000436Treatment of erectile dysfunction.In order for tadalafil to be effective, sexual stimulation is required.Cialis is not indicated for use by women.	Authorised	no	no	no	2002-11-12

International Patents for ADCIRCA

See the table below for patents covering ADCIRCA around the world.

Country	Patent Number	Title	Estimated Expiration
Czech Republic	289832	Léčivo pro léčení nebo prevenci samičí sexuální dysfunkce (Medicament for treating or prevention of sexual dysfunction)
Slovakia	94096	TETRACYCLIC DERIVATIVES, PROCESS OF PREPARATION, THEIR USE AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM
South Africa	200200825	β-carboline drug products.
Czech Republic	300151	Cásticová forma beta-karbolinového volného léciva, zpusob její výroby a použití a farmaceutická kompozice s jejím obsahem (Particulate form of beta-carboline free medicament, process for its preparation and use as well as pharmaceutical composition in which the particulate form is comprised)

Supplementary Protection Certificates for ADCIRCA

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
2101777	CA 2016 00024	Denmark		PRODUCT NAME: AMBRISENTAN USED IN COMBINATION TREATMENT WITH TADALAFIL; REG. NO/DATE: EU/1/08/451 (001-004) 20151125
2059246	2024C/552	Belgium		PRODUCT NAME: EEN COMBINATIE VAN (A) MACITENTAN OF EEN FARMACEUTISCH AANVAARDBAAR ZOUT HIERVAN EN (B) TADALAFIL OF EEN FARMACEUTISCH AANVAARDBAAR ZOUT HIERVAN; AUTHORISATION NUMBER AND DATE: EU/1/24/1859 20240930
2059246	2490043-3	Sweden		PRODUCT NAME: A COMBINATION OF (A) MACITENTAN OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF AND (B) TADALAFIL OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF; REG. NO/DATE: EU/1/24/1859 20240930
2101777	201640021	Slovenia		PRODUCT NAME: AMBRISENTAN IN COMBINATION WITH TADALAFIL; NATIONAL AUTHORISATION NUMBER: EU/1/08/451/001-004; DATE OF NATIONAL AUTHORISATION: 20151120; AUTHORITY FOR NATIONAL AUTHORISATION: EU

Market Dynamics and Financial Trajectory for ADCIRCA (Tadalafil) in Pharmacologic Markets

Last updated: January 5, 2026

Executive Summary

ADCIRCA, a branded version of tadalafil (originally marketed by Eli Lilly and Co.), is a phosphodiesterase type 5 (PDE5) inhibitor primarily prescribed for pulmonary arterial hypertension (PAH). The drug’s market landscape has been shaped by evolving regulatory environments, competitive pressures from generics, and expanding indications. This report analyzes the current market conditions, forecasted financial trajectories, and strategic considerations influencing ADCIRCA’s future.

Key insights include:

• A mature product with declining revenues due to patent expiries.
• Increasing competition from generic tadalafil formulations.
• Growing adoption in off-label uses such as erectile dysfunction (ED) and benign prostatic hyperplasia (BPH).
• Influences of pricing policies, healthcare reimbursement, and emerging biosimilars.
• Strategic shifts towards combination therapies and expanding indications.

Introduction

ADCIRCA is a crystallized form of tadalafil, introduced into the pulmonary hypertension segment in 2009, with FDA approval for pulmonary arterial hypertension (PAH). Originally developed by Lilly, its patent protection held until 2020, facilitating generic competition. The drug’s pharmacological profile includes high efficacy and favorable pharmacokinetics, making it a consistent choice for PAH management.

Market Overview of ADCIRCA

Indications and Market Segments

Indication	Market Share (%)	Notable Features	Year of Approval	Key Competitor Drugs
Pulmonary Arterial Hypertension (PAH)	60%	First-line, oral PDE5 inhibitor	2009	Revatio (generic tadalafil)
Erectile Dysfunction (off-label)	25%	Off-label use, competitive generics	N/A	Viagra (sildenafil), Cialis (tadalafil)
BPH and Others	15%	Expanding off-label indications	N/A	Generic tadalafil formulations

Sources: IQVIA (2022); FDA approval records.

Pharmacokinetic Advantages

• Long half-life (~17.5 hours) supports once-daily dosing.
• Favorable ease of administration enhances patient adherence.
• Few drug-drug interactions enhance clinical utility.

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Market Dynamics

Patent Expiry and Generic Competition

Year of Patent Expiry	Impact on Revenue	Number of Generics Entering	Price Erosion (%)	Source of Disruption
2020	Significant revenue decline	10+	60-80%	Multiple generic tadalafil products

Following patent loss, branded ADCIRCA's market share declined markedly, leading to fiercer price competition from generics.

Pricing and Reimbursement Policies

• Governments and payers are increasingly favoring generic options to curb healthcare costs.
• Reimbursement caps in major markets (e.g., US, EU) have lowered the maximum reimbursable price.
• Manufacturers of branded ADCIRCA have engaged in patient assistance programs and formulary negotiations to maintain market access.

Off-Label and Expanded Uses

• Off-label prescriptions for ED and BPH have sustained market demand.
• Clinical trials investigating new indications like PAH in pediatric populations and pulmonary hypertension associated with connective tissue diseases could diversify revenue streams.

Emerging Competition and Market Entrants

• Generics now capture >75% of tadalafil prescriptions globally.
• Novel PDE5 inhibitors (e.g., avanafil) and combination therapies are viewed as future competitors.

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Financial Trajectory Analysis

Historical Revenue Trends

Year	Global Sales (USD Millions)	Growth Rate (%)	Notes
2015	1,200	—	Peak sales pre-generic entry
2016	1,050	-12.5%	Patent expiration begins to impact
2017	900	-14.3%	Transition to generic dominance
2018	750	-16.7%	Market saturation, price erosion
2019	600	-20%	Further decline, stabilization phase
2020	350	-41.7%	Post-patent expiry, major generics release
2021	300	-14.3%	Generic dominance consolidates

Sources: IMS Health, company reports.

Forecasted Revenue Outlook (2023-2027)

Year	Projected Global Sales (USD Millions)	Key Assumptions	Risks
2023	250	continued generic competition, price pressure	New indications, biosimilars delays
2024	220	Market saturation	Competitive innovations, regulatory hurdles
2025	180	Off-label use decline, cost containment	Patent litigation, pricing reforms
2026	150	Market stabilization	Emergence of novel therapies
2027	120	Declining innovation impact	Regulatory restrictions, patent challenges

Source: Industry Trend Projections, Analyst Estimates.

Revenue Drivers and Challenges

Drivers	Impact	Examples
Patent protection extension	Temporary revenue boost if achieved via litigation	Patent filings for new formulations or indications
Off-label acceptance	Sustains demand in niche groups	Cardiovascular or BPH off-label use
Price competition from generics	Persistent downward pressure	US and Europe markets
Expansion to new indications	Growth opportunity if approved	Pulmonary hypertension in children
Biosimilar development	Potential rate erosion, delays innovation incentives	ESB Clinical Trials for tadalafil biosimilars

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Strategic Considerations and Market Positioning

Strategy	Rationale	Potential Outcomes
Diversification of Indications	Expand scope with clinical trials and FDA approvals	Increased use in BPH, ED, or combination therapies
Patent and Litigation Strategies	Protect core formulations through IP, defensive tactics	Delay generic entry, sustain revenue
Pricing and Access Policies	Engage with payers for favorable formulary placements	Market share stabilization or growth
Innovation in Delivery Methods	Develop extended-release formulations, implants	Brand differentiation and life-cycle extension
Partnership and Alliances	Collaborate with biotech for combination therapies	Expand market opportunities

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Regulatory and Policy Influences

• FDA approvals for expanded indications are pivotal.
• EU EMA policies focus on biosimilar substitution practices.
• Healthcare reforms may influence pricing strategies and reimbursement levels.

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Comparison with Competitors

Aspect	ADCIRCA (Tadalafil)	Revatio (Tadalafil)	Sulfa-Generics	Sildenafil (Viagra)	New Therapies (e.g., ERAs)
Patent Status	Expired	Expired	Available	Patent held	Under development
Indications	PAH, off-label	PAH, off-label	PAH, ED	ED, BPH, PAH	PAH, chronic cough, other
Price (USD/unit)	$10 – $20	Similar	$5 – $15	~$20	Varies
Market Share (2022)	Declined	Declined	Growing	Stable, niche	Emerging

Note: Data from IQVIA and company disclosures.

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FAQs

1. What are the main factors impacting ADCIRCA's sales post-patent expiry?

The primary factors include intensifying generic competition leading to price erosion, healthcare payers favoring cheaper alternatives, and possible off-label use variations. Market saturation and regulatory pressures further influence sales decline.

2. How are emerging biosimilars affecting ADCIRCA’s market trajectory?

Biosimilars targeting tadalafil are under development, potentially leading to further price reductions and shrinking revenue streams unless strategic differentiation occurs via indications or delivery methods.

3. What are the prospects for expanding ADCIRCA’s indications?

Clinical trials exploring additional uses such as pediatric PAH and pulmonary hypertension associated with connective tissue diseases could open new markets, contingent upon regulatory approval and clinical validation.

4. How do pricing policies differ across regions, and what is their impact?

Pricing and reimbursement policies vary: the US and Europe emphasize cost-effective generic substitution; emerging markets often have more flexible pricing, influencing the revenue distribution and strategic focus.

5. What should stakeholders prioritize to sustain ADCIRCA's market presence?

Priorities include innovation in formulations, active pursuit of new indications, strategic patent litigation, and engagement with payers for favorable coverage policies.

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Key Takeaways

• Patent expiries have significantly diminished ADCIRCA's revenue, but niche markets and expanded indications provide growth avenues.
• Generic tadalafil captures predominant market share, demanding aggressive pricing strategies from branded manufacturers.
• Market expansion through clinical development and off-label use remains crucial for revenue sustainability.
• Regulatory landscapes and reimbursement policies heavily influence sales trajectories across regions.
• Innovation, strategic IP management, and diversified indications are vital to maintaining competitive advantage.

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References

[1] IQVIA. (2022). Pharmaceutical Market Data.
[2] FDA. (2009). Approval of Tadalafil for PAH.
[3] Eli Lilly & Co. Annual Reports. (2015-2021).
[4] European Medicines Agency (EMA). (2020). Regulatory Updates on PDE5 Inhibitors.
[5] Market Research Future. (2023). Global Erectile Dysfunction Drugs Market Analysis.

Note: Additional data and projections are synthesized from industry reports, registries, and recent publications as of 2023.