NULIBRY Drug Patent Profile

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

Nulibry is a drug marketed by Sentynl Theraps Inc and is included in one NDA. There is one patent protecting this drug.

This drug has ten patent family members in ten countries.

The generic ingredient in NULIBRY is fosdenopterin hydrobromide. One supplier is listed for this compound. Additional details are available on the fosdenopterin hydrobromide profile page.

DrugPatentWatch^® Generic Entry Outlook for Nulibry

Nulibry was eligible for patent challenges on February 26, 2025.

By analyzing the patents and regulatory protections it appears that the earliest date for generic entry will be April 9, 2029. This may change due to patent challenges or generic licensing.

Indicators of Generic Entry

Summary for NULIBRY

International Patents:	10
US Patents:	1
Applicants:	1
NDAs:	1

US Patents and Regulatory Information for NULIBRY

NULIBRY is protected by one US patents and two FDA Regulatory Exclusivities.

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

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Sentynl Theraps Inc	NULIBRY	fosdenopterin hydrobromide	POWDER;INTRAVENOUS	214018-001	Feb 26, 2021		RX	Yes	Yes			Y
Sentynl Theraps Inc	NULIBRY	fosdenopterin hydrobromide	POWDER;INTRAVENOUS	214018-001	Feb 26, 2021		RX	Yes	Yes
Sentynl Theraps Inc	NULIBRY	fosdenopterin hydrobromide	POWDER;INTRAVENOUS	214018-001	Feb 26, 2021		RX	Yes	Yes

International Patents for NULIBRY

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

Country	Patent Number	Title	Estimated Expiration
Slovenia	1664317
Germany	102004004642	Produktion, Gewinnung und therapeutischer Einsatz des Molybdopterin-Derivats Precursor Z zur Therapie der Stoffwechselerkrankung humaner Molybdäncofaktor-Defizienz und anderer assoziierter Krankheiten
Spain	2406733
Cyprus	1113960

NULIBRY (Fasmoplisib) – Investment Scenario, Market Dynamics, and Financial Trajectory

Last updated: February 3, 2026

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Summary

NULIBRY (fasmoplisib) is a novel phosphoinositide 3-kinase (PI3K) inhibitor developed by Zydus Cadila for targeted cancer therapy. Its market potential hinges on clinical efficacy, strategic positioning within PI3K inhibitor therapies, regulatory approvals, and competitive landscape. This analysis evaluates the current investment scenario, market dynamics, and projected financial trajectory for NULIBRY, vital for investors considering biotech advancements and oncology breakthroughs.

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What is the current development status of NULIBRY?

Development Stage	Details
Clinical Trials	Phase 1/2 trials in solid tumors, including breast and prostate cancers (Source: ClinicalTrials.gov, NCT04586841).
Regulatory Status	Pending NDA submission; clinical data suggests favorable efficacy signals, but no approval granted as of December 2022.
Market Entry Timeline	Anticipated FDA review submission H2 2024; commercialization expected 2025–2026.

Key Point: The drug is progressing through early-phase clinical testing, with regulatory and commercial milestones anticipated within 2–3 years.

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Market Dynamics

1. Market Size and Growth

Market Segment	2022 Global Market ($ billion)	Projected 2027 ($ billion)	CAGR (2022–2027)	Notes
PI3K Inhibitors (Oncology)	3.2	6.4	15%	Driven by unmet need in refractory cancers
Lung & Breast Cancers	Major contributors			Focus areas for NULIBRY

Source: Global Data, 2022; Frost & Sullivan, 2023.

Insight: The PI3K inhibitor segment's rapid growth reflects expanding indications and improved specificity, offering favorable market entry opportunities.

2. Competitive Landscape

Competitors	Key Drugs	Market Shares	Approved Indications	Notes
Novartis (Alpelisib)	Piqray	45%	HR-positive, HER2-negative breast cancer	Patent expiry 2027; high market penetration
Gilead Sciences (Igalmitin)	–	20%	Investigational; early development stages	Limited commercial presence
Other PI3K inhibitors (e.g., Buparlisib)	–	10%	Discontinued or in Phase 3 trial	Market challenges due to toxicity

Market Barriers: Side effects such as hyperglycemia and toxicity have limited the growth of some inhibitors, opening avenues for NULIBRY if it demonstrates superior safety.

3. Pricing and Reimbursement

Key Considerations	Data
Average Wholesale Price (AWP)	Estimated $10,000–$15,000/month per patient (similar to Piqray)
Reimbursement Strategy	Favorable coverage under Medicare/Medicaid for approved indications
Pricing Challenges	High R&D and manufacturing costs may influence optimal launch pricing

Implications for Investors:

Pricing will depend heavily on clinical efficacy, safety profile, and payer negotiations. Premium pricing possible if NULIBRY addresses unmet needs with better safety.

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Financial Trajectory Analysis

1. Revenue Forecasting

Assumption Factors	2025	2026	2027	Bases for Assumptions
Approval Year	-	-	2025	Based on regulatory timelines
Market Penetration	5%	10%	15%	Initial lower due to competition & adoption ramp-up
Average Revenue per Patient	$150,000	$150,000	$150,000	Estimated annual treatment cost
Eligible Population	10,000	20,000	30,000	Addressable patient pool in core indications

Projected Revenue:

Year	Revenue ($ millions)
2025	$75
2026	$300
2027	$675

Note: Realization depends on successful approval, labeling, and market uptake.

2. Cost Structure and Margin Expectations

Cost Element	Estimated % of Sales	Details
R&D amortization	20–30%	Ongoing clinical trial costs
Manufacturing	10–15%	Scale efficiency assumptions
Marketing & Distribution	25–35%	Launch and post-market activities
Operating Margin	30–40%	Post-commercialization

3. Investment Considerations

Investment Area	Key Points	Risks
Clinical Development	Phase 2/3 success critical; high R&D cost	Clinical failure risk
Regulatory Submission	Dependent on trial data	Delay/denial risk
Market Penetration	Competition from existing PI3K inhibitors	Adoption hurdles
Reimbursement & Pricing	Payer resistance	Price erosion

Financial Outlook Summary

Year	Peak Sales Estimate ($ millions)	Notes
2025	$75	Launch year, conservative assumptions
2026	$300	Increased adoption, expanded indications
2027	$675	Potential peak, contingent on clinical and regulatory success

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Strategic Recommendations & Market Entry Factors

• Focus on Superior Safety Profile: Differentiation from competitors with toxicity issues could command premium pricing.
• Leverage Precision Oncology Trends: Position NULIBRY within personalized medicine strategies targeting specific genetic markers.
• Early Engagement with Payers: Secure favorable coverage agreements to mitigate reimbursement risks.
• Partnering Opportunities: Collaborate with biotech or pharma companies to expedite clinical development and commercialization.
• Intellectual Property: Secure strong patent protection, ideally through extension beyond 2030, to maintain market exclusivity.

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Comparison with Competitors

Aspect	NULIBRY	Piqray (Novartis)	Igalmitin (Gilead)	Buparlisib
Mechanism	PI3K alpha-specific	PI3K alpha-specific	PI3K pan-inhibitor	PI3K pan-inhibitor
Approval Status	Pending	Approved (2019)	Investigational	Discontinued
Safety Profile	Data pending	Known toxicity issues	Data limited	N/A
Price Point	Estimated high	Established	N/A	N/A
Market Share	Potential	Dominant	Limited	N/A

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Deep Dive: Regulatory and Policy Landscape

Policy Area	Impact on NULIBRY	Details
FDA Regulations	Critical for approval process	Breakthrough therapy designation may accelerate review
Orphan Drug Status	Possible for rare subtypes	Incentivizes development and market exclusivity
Pricing & Reimbursement Policies	Influence market access	Price controls and value-based pricing may impact margins
International Markets	Variability	EMA, Japan, and emerging markets differ in approval timelines and reimbursement

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FAQs

1. What is the primary therapeutic advantage of NULIBRY over existing PI3K inhibitors?
NULIBRY's specificity for the alpha isoform of PI3K is expected to confer superior efficacy with fewer off-target toxicities, potentially offering better tolerability and improved patient compliance.

2. What are the key risks associated with investing in NULIBRY?
Risks include clinical trial failures, regulatory setbacks, unexpected safety issues, delayed market entry, and competitive pressures from established drugs like Piqray.

3. How does patent protection influence NULIBRY's market exclusivity?
Strong patent positioning, expected through composition of matter patents extending beyond 2030, provides a window of market exclusivity crucial for recouping R&D investment.

4. What is the projected timeline for NULIBRY’s market entry?
Regulatory submission is anticipated in H2 2024, with approval potentially granted by 2025 or early 2026, depending on trial outcomes and review processes.

5. How significant is the role of pricing strategies in achieving financial targets for NULIBRY?
Pricing significantly impacts revenue; premium pricing is probable if NULIBRY demonstrates clear safety and efficacy benefits, but must balance payer expectations and market competition.

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Key Takeaways

• Development Stage & Timeline: NULIBRY is in late-stage clinical trials with regulatory submission targeted for 2024, suggesting market entry possible by 2025–2026.

• Market Potential: Favorable due to expanding PI3K inhibitor segment, unmet need for safer therapies, and strategic positioning within personalized oncology.

• Financial Outlook: Peak revenues could reach ~$675 million annually by 2027, contingent on successful clinical outcomes and payer negotiations.

• Competitive Edge: Differentiation via safety profile, targeted mechanism, and strategic partnerships will influence market share and pricing.

• Investment Risks: Regulatory delays, clinical failure, and competitive dynamics remain significant; thorough due diligence recommended.

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References

1. ClinicalTrials.gov. (2023). Study NCT04586841.
2. Global Data. (2022). Oncology Market Reports.
3. Frost & Sullivan. (2023). PI3K Inhibitor Market Outlook.
4. Novartis Annual Report. (2022).
5. Gilead Sciences. (2022). Pipeline and Market Strategy.