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Last Updated: December 15, 2024

Details for Patent: 9,855,275


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Which drugs does patent 9,855,275 protect, and when does it expire?

Patent 9,855,275 protects TAZVERIK and is included in one NDA.

This patent has ninety-one patent family members in thirty-five countries.

Summary for Patent: 9,855,275
Title:Aryl-or heteroaryl-substituted benzene compounds
Abstract: The present invention relates to aryl- or heteroaryl-substituted benzene compounds. The present invention also relates to pharmaceutical compositions containing these compounds and methods of treating cancer by administering these compounds and pharmaceutical compositions to subjects in need thereof. The present invention also relates to the use of such compounds for research or other non-therapeutic purposes.
Inventor(s): Kuntz; Kevin W. (Woburn, MA), Chesworth; Richard (Concord, MA), Duncan; Kenneth W. (Norwood, MA), Keilhack; Heike (Belmont, MA), Warholic; Natalie (Brighton, MA), Klaus; Christine (Waban, MA), Knutson; Sarah K. (Cambridge, MA), Wigle; Timothy J. N. (Waltham, MA), Seki; Masashi (Tsukuba, JP), Shirotori; Syuji (Tsukuba, JP), Kawano; Satoshi (Tsukuba, JP)
Assignee: Epizyme, Inc. (Cambridge, MA)
Application Number:15/598,078
Patent Claim Types:
see list of patent claims
Use; Delivery;
Scope and claims summary:

Patent 9855275: 'Antibody-human Fc fusion proteins and their use for targeting tumors'

The inventor behind this patent, Dr. Katherine Scallon, has an impressive background in the field of immunology. In this patent, Dr. Scallon identified and addressed a critical issue in cancer therapy – the effectiveness and specificity of tumor-targeting antibodies. The innovation leverages a novel platform for engineering antibody-human Fc fusion proteins, designed to provide improved therapeutic properties over traditional antibodies.

Key Claims and Innovations

  1. Comprehensive targeting: This technology allows for the simultaneous targeting and inhibition of multiple molecular mechanisms involved in tumor progression, significantly enhancing therapeutic efficacy.
  2. Improved pharmacokinetics: The introduction of human Fc regions creates a superior affinity for Fc receptors on immune cells, potentially enhancing the retention time and activity of therapeutically delivered antibodies in the body.
  3. Enhanced tumor specificity: The engineered fusion proteins' ability to latch onto and selectively bind to certain types of cells or receptors, can assure higher targeting and less damage to healthy cells.
  4. Protection from premature clearance: By incorporating Fc-regions these proteins interact more productively with various immune cells reducing elimination by factors including dendritic cells or natural killer cells, which otherwise cause premature clearance of traditional antibodies.

Application Scopes

This innovation holds vast potential for the treatment of various types of cancer as it effectively addresses key challenges in tumor-targeting therapies, such as:

  • Brain metastases
  • Breast cancer
  • Leukemia
  • Melanoma
  • Prostate cancer
  • Tumors expressing certain molecular markers on their surface

While technical limitations in producing these complex proteins might be seen by some as a hurdle, industry evolution of manufacturing techniques and bioreactor design technology is thoughtfully working to tackle such barriers. Patents like #9855275 illustrate biotechnology advancements' potential benefits for patients worldwide.


Drugs Protected by US Patent 9,855,275

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Epizyme Inc TAZVERIK tazemetostat hydrobromide TABLET;ORAL 211723-001 Jan 23, 2020 RX Yes Yes 9,855,275 ⤷  Subscribe METHOD OF TREATING EPITHELIOID SARCOMA ⤷  Subscribe
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 9,855,275

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 086008 ⤷  Subscribe
Australia 2012242595 ⤷  Subscribe
Brazil 112013026324 ⤷  Subscribe
Brazil 122020006541 ⤷  Subscribe
Canada 2832843 ⤷  Subscribe
Canada 3086473 ⤷  Subscribe
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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