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Last Updated: January 20, 2025

ZYNLONTA Drug Profile


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Summary for Tradename: ZYNLONTA
High Confidence Patents:0
Applicants:1
BLAs:1
Recent Clinical Trials: See clinical trials for ZYNLONTA
Recent Clinical Trials for ZYNLONTA

Identify potential brand extensions & biosimilar entrants

SponsorPhase
Joseph TuscanoPhase 2
National Cancer Institute (NCI)Phase 2
ADC TherapeuticsPhase 1

See all ZYNLONTA clinical trials

Note on Biologic Patents

Matching patents to biologic drugs is far more complicated than for small-molecule drugs.

DrugPatentWatch employs three methods to identify biologic patents:

  1. Brand-side disclosures in response to biosimilar applications
  2. These patents were identified from disclosures by the brand-side company, in response to a potential biosimilar seeking to launch. They have a high certainty of blocking biosimilar entry. The expiration dates listed are not estimates — they're expiration dates as indicated by the brand-side company.

  3. General brand-side disclosures
  4. These patents were identified from searching drug labels and other general disclosures from the brand-side company. This list may exclude some of the patents which block biosimilar launch, and some of these patents listed may not actually block biosimilar launch. The expiration dates listed for these patents are estimates, based on the grant date of the patent.

  5. Patents from broad patent text search
  6. For completeness, these patents were identified by searching the patent literature for mentions of the branded or ingredient name of the drug. Some of these patents protect the original drug, whereas others may protect follow-on inventions or even inventions casually mentioning the drug. The expiration dates listed for these patents are estimates, based on the grant date of the patent.

1) High Certainty: US Patents for ZYNLONTA Derived from Brand-Side Litigation

No patents found based on brand-side litigation

2) High Certainty: US Patents for ZYNLONTA Derived from Company Disclosures

No patents found based on company disclosures

3) Low Certainty: US Patents for ZYNLONTA Derived from Patent Text Search

No patents found based on company disclosures

Market Dynamics and Financial Trajectory for ZYNLONTA

Introduction

ZYNLONTA (loncastuximab tesirine-lpyl), developed by ADC Therapeutics, is a significant player in the field of antibody drug conjugates (ADCs), particularly targeting relapsed or refractory large B-cell lymphoma. Here, we delve into the market dynamics and financial trajectory of ZYNLONTA, highlighting key developments, challenges, and future prospects.

Product Overview

ZYNLONTA is an ADC designed to target CD19-expressing B-cells. It was approved by the FDA in April 2021 for the treatment of relapsed or refractory large B-cell lymphoma after two or more lines of systemic therapy. The drug's unique mechanism of action and its potential in various therapeutic settings make it an important asset for ADC Therapeutics[2].

Financial Performance: 2023

In the fourth quarter of 2023, ZYNLONTA generated net product sales of $16.6 million, representing a 17% increase over the third quarter of 2023. However, this figure was a 16% decrease compared to the fourth quarter of 2022. For the full year 2023, net product sales were $69.1 million, down from $74.9 million in 2022. The decline was attributed to higher gross-to-net deductions, lower sales volume impacted by commercial organization restructuring, and increased competition, partially offset by a slight price increase[1][2].

Financial Performance: 2024

In the third quarter of 2024, ZYNLONTA sales showed a positive trend, increasing by 26% year-over-year to $18.0 million. For the first nine months of 2024, net product revenues were $52.9 million, driven by higher sales volume, a higher selling price, and lower gross-to-net deductions. Despite this growth, the year-to-date increase was minimal due to lower sales volume in other periods[3][4].

Market Dynamics

Sales Growth and Challenges

The sales growth of ZYNLONTA in 2024 is encouraging, especially given the challenges faced in 2023. The restructuring of the commercial organization and increased competition had a significant impact on sales volume. However, the new commercial model implemented by ADC Therapeutics has started to show positive results, with sales volume increasing in both community and academic settings[1][2].

Competitive Landscape

The market for ADCs is highly competitive, with several other drugs targeting similar indications. ZYNLONTA's differentiated product profile, particularly its potential as a combination partner in earlier lines of therapy, positions it attractively. However, the company must navigate the competitive landscape while ensuring adequate reimbursement coverage and market acceptance[5].

Regulatory and Partnership Updates

ADC Therapeutics is actively pursuing regulatory approvals in various jurisdictions. For instance, the company is awaiting approval by the NMPA for ZYNLONTA in China, submitted by Overland ADCT BioPharma. Additionally, strategic partnerships with companies like Mitsubishi Tanabe Pharma Corporation are crucial for obtaining regulatory approvals in foreign jurisdictions[1].

Pipeline and Research Developments

Focused Pipeline

ADC Therapeutics has a focused pipeline with several promising candidates. The LOTIS-7 trial is ongoing, with dose escalation and initial efficacy and safety updates anticipated by the end of 2024. The company has also initiated screening for ADCT-601, targeting AXL in pancreatic cancer, although this program was later discontinued due to an unfavorable benefit-risk profile. The solid tumor research platform, particularly the exatecan-based platform, is being prioritized[2][4].

Discontinued Programs

The discontinuation of the ADCT-601 program highlights the company's strategic decision-making to prioritize programs with more promising outcomes. This move aligns with the company's goal of optimizing its pipeline and allocating resources efficiently[3][4].

Cash Position and Runway

As of December 31, 2023, ADC Therapeutics had $278.6 million in cash and cash equivalents, with an expected cash runway extending into the fourth quarter of 2025. By the third quarter of 2024, the cash position had slightly decreased to $274.3 million but still provided a robust runway into mid-2026, following a successful underwritten offering that raised $97.4 million[1][3].

Operational Efficiencies

The company has achieved significant operational efficiencies, with a 21% decrease in operating expenses in 2023 compared to the previous year. This reduction is a result of portfolio prioritization and strategic resource allocation, which has helped in extending the cash runway and supporting ongoing research and development activities[1][2].

Future Prospects

Upcoming Milestones

Several key milestones are anticipated in the near future. Full enrollment for the LOTIS-5 trial and initial efficacy and safety updates for the LOTIS-7 trial are expected by the end of 2024. Updated Phase 2 IIT data for ZYNLONTA in indolent lymphomas will be presented at the 66th American Society of Hematology Annual Meeting in December 2024[4].

Market Potential

ZYNLONTA's market potential is substantial, with the possibility of annual revenue reaching $500 million to $1 billion if it is successfully integrated into earlier lines of therapy. The drug's differentiated profile and ongoing clinical trials position it as an attractive option for patients with unmet medical needs[5].

Key Takeaways

  • Sales Growth: ZYNLONTA sales have shown a positive trend in 2024, despite challenges in 2023.
  • Market Dynamics: The competitive landscape is challenging, but ZYNLONTA's unique profile offers significant market potential.
  • Pipeline Developments: The company is advancing its pipeline with a focus on solid tumor research and has discontinued less promising programs.
  • Cash Position: A strong cash position ensures a robust runway into mid-2026.
  • Operational Efficiencies: Significant reductions in operating expenses have been achieved through portfolio prioritization.

FAQs

What is ZYNLONTA, and how does it work?

ZYNLONTA (loncastuximab tesirine-lpyl) is an antibody drug conjugate (ADC) that targets CD19-expressing B-cells, used in the treatment of relapsed or refractory large B-cell lymphoma.

What were the financial highlights for ZYNLONTA in 2023?

In 2023, ZYNLONTA generated $16.6 million in net product sales in the fourth quarter and $69.1 million for the full year, with a 17% increase over the third quarter but a 16% decrease compared to the fourth quarter of 2022.

How has the sales performance of ZYNLONTA been in 2024?

In the third quarter of 2024, ZYNLONTA sales increased by 26% year-over-year to $18.0 million, driven by higher sales volume, a higher selling price, and lower gross-to-net deductions.

What are the key pipeline developments for ADC Therapeutics?

ADC Therapeutics is advancing its pipeline with ongoing trials like LOTIS-7 and has prioritized its solid tumor research platform, particularly the exatecan-based platform, after discontinuing the ADCT-601 program.

What is the current cash position and expected runway for ADC Therapeutics?

As of the third quarter of 2024, ADC Therapeutics had $274.3 million in cash and cash equivalents, with an expected cash runway extending into mid-2026.

Sources

  1. ADC Therapeutics Reports Fourth Quarter and Full Year 2023 Financial Results and Provides Business Updates. ADC Therapeutics. Retrieved March 13, 2024.
  2. ADC Therapeutics Reports Fourth Quarter and Full Year 2023. GlobeNewswire. Retrieved March 13, 2024.
  3. ADC Therapeutics Reports Third Quarter and Year-to-Date 2024. StockTitan. Retrieved November 7, 2024.
  4. ADC Therapeutics Reports Third Quarter and Year-to-Date 2024 Financial Results and Provides Operational Update. BioSpace. Retrieved November 7, 2024.
  5. ADC Therapeutics Reports Fourth Quarter and Full Year 2022 Financial Results and Provides Business Updates. ADC Therapeutics. Retrieved February 28, 2023.

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