Last Updated: November 8, 2026

Details for Patent: 12,083,103

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Which drugs does patent 12,083,103 protect, and when does it expire?

Patent 12,083,103 protects ENVARSUS XR and is included in one NDA.

This patent has thirty patent family members in sixteen countries.

Summary for Patent: 12,083,103
Title:Tacrolimus for improved treatment of transplant patients
Abstract:An extended release oral dosage form comprising as active substance tacrolimus or a pharmaceutically active analogue thereof for a once daily immunosuppressive treatment of a patient in need thereof, preferable a kidney or liver transplant patient. The dosage form releases the active substance over an extended period of time. It also provides improved pharmacokinetic parameters due to an extended and constant in vivo release including substantial decreased peak concentrations, despite increased bioavailability, substantial extended times for maximal concentration, and higher minimal concentrations when compared with conventional immediate release dosage forms and a recent modified release tacrolimus dosage form.
Inventor(s):Robert D. Gordon, Per Holm, Anne-Marie Lademann, Tomas Norling
Assignee: Veloxis Pharmaceuticals Inc
Application Number:US17/444,402
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 12,083,103
Patent Claim Types:
see list of patent claims
Use; Composition; Formulation; Dosage form;

Drugs Protected by US Patent 12,083,103

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Veloxis Pharms Inc ENVARSUS XR tacrolimus TABLET, EXTENDED RELEASE;ORAL 206406-001 Jul 10, 2015 RX Yes No ⤷  Start Trial ⤷  Start Trial PROPHYLAXIS OF ORGAN REJECTION IN DE NOVO TRANSPLANT PATIENT ⤷  Start Trial
Veloxis Pharms Inc ENVARSUS XR tacrolimus TABLET, EXTENDED RELEASE;ORAL 206406-002 Jul 10, 2015 RX Yes No ⤷  Start Trial ⤷  Start Trial PROPHYLAXIS OF ORGAN REJECTION IN DE NOVO TRANSPLANT PATIENT ⤷  Start Trial
Veloxis Pharms Inc ENVARSUS XR tacrolimus TABLET, EXTENDED RELEASE;ORAL 206406-003 Jul 10, 2015 RX Yes Yes ⤷  Start Trial ⤷  Start Trial PROPHYLAXIS OF ORGAN REJECTION IN DE NOVO TRANSPLANT PATIENT ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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