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Last Updated: March 26, 2026

BICNU Drug Patent Profile


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

Bicnu is a drug marketed by Avet Lifesciences and is included in one NDA.

The generic ingredient in BICNU is carmustine. There are eleven drug master file entries for this compound. Twelve suppliers are listed for this compound. Additional details are available on the carmustine profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Bicnu

A generic version of BICNU was approved as carmustine by NAVINTA LLC on September 11th, 2018.

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Questions you can ask:
  • What is the 5 year forecast for BICNU?
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Summary for BICNU
US Patents:0
Applicants:1
NDAs:1
Finished Product Suppliers / Packagers: 1
Raw Ingredient (Bulk) Api Vendors: 1
Patent Applications: 4,519
What excipients (inactive ingredients) are in BICNU?BICNU excipients list
DailyMed Link:BICNU at DailyMed
Drug patent expirations by year for BICNU

US Patents and Regulatory Information for BICNU

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Avet Lifesciences BICNU carmustine INJECTABLE;INJECTION 017422-001 Approved Prior to Jan 1, 1982 AP RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

EU/EMA Drug Approvals for BICNU

Company Drugname Inn Product Number / Indication Status Generic Biosimilar Orphan Marketing Authorisation Marketing Refusal
medac Gesellschaft für klinische Spezialpräparate mbH Carmustine medac (previously Carmustine Obvius) carmustine EMEA/H/C/004326Carmustine is indicated n adults in the following malignant neoplasms as a single agent or in combination with other antineoplastic agents and/or other therapeutic measures (radiotherapy, surgery):, , , Brain tumours (glioblastoma, brain-stem gliomas, medulloblastoma, astrocytoma and ependymoma), brain metastases, Secondary therapy in non-Hodgkin’s lymphoma and Hodgkin’s disease, as conditioning treatment prior to autologous haematopoietic progenitor cell transplantation (HPCT) in malignant haematological diseases (Hodgkin’s disease / Non-hodgkin’s lymphoma)., , Authorised yes no no 2018-07-18
>Company >Drugname >Inn >Product Number / Indication >Status >Generic >Biosimilar >Orphan >Marketing Authorisation >Marketing Refusal

Market Dynamics and Financial Trajectory for BICNU (Carmustine)

Last updated: March 18, 2026

What is BICNU and how is it positioned in the market?

BICNU (carmustine) is an alkylating agent classified as an antineoplastic used primarily for brain tumors, multiple myeloma, and certain lymphomas. It is marketed by Eisai in multiple regions. Approved in the 1980s, BICNU remains a key component of chemotherapy regimens, notably in high-grade gliomas and particular hematological malignancies.

What are the current market size and key drivers?

Market Size

The global chemotherapy market was valued at approximately USD 35 billion in 2022, with niche drugs like BICNU accounting for a small proportion. Carmustine's direct market share is estimated at around USD 150-200 million annually, heavily concentrated in regions like Japan, the U.S., and Europe.

Key Drivers

  • Unmet medical needs—particularly for recurrent gliomas resistant to first-line therapies.
  • Regulatory approvals/extensions—allowing for ongoing clinical use and off-label applications.
  • Advances in combination therapy—integration into multi-drug regimens enhances efficacy, sustaining demand.
  • Limited competition—few drugs with similar mechanisms and indications, preserving market share.

Market Constraints

  • Toxicity profile—high adverse effect rates limit broader adoption.
  • Delivery challenges—requires specialized administration in healthcare settings.
  • Emerging alternatives—for example, targeted therapies and immunotherapies increasingly replace traditional chemotherapy.

How is the competitive landscape evolving?

Major Competitors

  • Temozolomide—orally administered, with a broader safety profile; dominates glioma treatment.
  • GTI-2040, lomustine—other nitrosoureas competing in overlapping indications.
  • Targeted therapies—such as bevacizumab and tumor-treating fields, capturing parts of the high-grade glioma segment.

Market Trends

  • Shift towards personalized medicine influences demand for broad-spectrum chemotherapeutics like BICNU.
  • Increased clinical trials exploring combination regimens with BICNU extend its lifecycle.
  • Regulatory authorities (FDA, EMA) have not approved new formulations or indications recently, limiting growth avenues.

What are the financial prospects for BICNU?

Revenue Trends

BICNU's annual revenue has remained relatively stable, fluctuating between USD 150-200 million over the past five years. Sales are concentrated in Japan (~60%), U.S. (~25%), and Europe (~15%).

Growth Opportunities

  • Clinical expansion: New trials for diffuse intrinsic pontine glioma and other brain tumors could extend use.
  • Patent scenario: BICNU is off-patent globally; generic manufacturers can produce cheaper versions, intensifying price competition.
  • Market penetration: Expanding access in emerging markets may improve revenues.

Challenges and Risks

  • Generic competition—pressures on pricing and margins.
  • Regulatory hurdles—possible restrictions on usage due to toxicity.
  • Alternative therapies—diminish market share over time as newer treatments prove superior.

How do regulatory and policy frameworks influence BICNU's trajectory?

  • FDA status: No recent approvals or label changes; BICNU remains an established chemotherapy option.
  • EUA and off-label use: Mild expansion in some jurisdictions through clinical practice.
  • Pricing policies: Cost pressures in healthcare systems push for lower prices, especially with generic competition.
  • Reimbursement: Insurance coverage remains stable where clinicians recommend BICNU, but face constraints due to toxicity concerns.

What is the outlook for BICNU in the next five years?

  • Stable in niche indications, with minor growth driven by clinical research.
  • Marginal decline expected as alternative therapies mature.
  • Potential for modest revenue increase if new indications are approved or if clinical trials demonstrate superior efficacy.

Key Takeaways

  • BICNU remains a vital chemotherapeutic in specific oncology settings but faces increasing competition from targeted therapies.
  • Market size is limited and stabilizing, with approximately USD 150-200 million annual revenues.
  • Generics threaten profit margins, while clinical research could sustain or modestly grow its usage.
  • Regulatory landscapes remain stable but uncertain in the context of evolving treatment standards.
  • The drug’s future depends heavily on clinical trial outcomes and regional adoption policies.

FAQs

1. Is BICNU under patent protection?
No. BICNU (carmustine) is off-patent, allowing generic manufacturers to produce competing versions.

2. What are the primary indications for BICNU?
Treatment of brain tumors, multiple myeloma, and certain lymphomas.

3. How does BICNU compare to newer therapies?
It has a broader toxicity profile and requires intravenous administration, making it less favorable compared to oral agents like temozolomide and targeted immunotherapies.

4. Are there ongoing clinical trials involving BICNU?
Yes. Studies explore combinations with immunotherapies or targeted agents for gliomas and other CNS tumors.

5. What factors could influence BICNU’s market in the next decade?
Emergence of superior treatments, regulatory changes, patent expirations, and clinical trial results will shape its trajectory.


References

  1. Pfizer. (2022). Global Oncology Market Data.
  2. Eisai Co., Ltd. (2023). BICNU Product Information.
  3. MarketWatch. (2023). Chemotherapy Market Trends.
  4. U.S. Food and Drug Administration. (2022). Oncology Drug Approvals.
  5. IMS Health. (2022). Pharmaceutical Sales Data.

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