Orange Book: Approved Drug Products with Therapeutic Equivalence Evaluations

Home | Back to Product Details

Additional Information about Patents

  • Patent information is published on or after the submission date as defined in 21 CFR 314.53(d)(5).
  • Patent listings published prior to August 18, 2003, only identify method-of-use claims. The listed patents may include drug substance and/or drug product claims that are not indicated in the listing.
  • As of December 5, 2016, an NDA holder submitting information on a patent that claims both the drug substance and the drug product (and is eligible for listing on either basis) is required only to specify that it claims either the drug substance or the drug product. Orange Book users should not rely on an Orange Book patent listing, regardless of when first published, to determine the range of patent claims that may be asserted by an NDA holder or patent owner.

Patent and Exclusivity for: N208780

Product 001
PIRFENIDONE (ESBRIET) TABLET 267MG

Patent Data

Product No Patent No Patent Expiration Drug Substance Drug Product Patent Use Code Delist Requested Submission Date
001 7566729 04/22/2029
U-2077 DOSAGE MODIFICATION FOLLOWING GRADE 2 ABNORMALITY IN LIVER FUNCTION BIOMARKER AFTER PIRFENIDONE ADMINISTRATION, BY ADMINISTERING SUB-2400 MG/DAY DOSE THEN FULL DAY DAILY DOSE IN TREATMENT OF IPF
U-2078 DOSAGE MODIFICATION FOLLOWING GRADE 2 ABNORMALITY IN LIVER FUNCTION BIOMARKER AFTER PIRFENIDONE ADMINISTRATION, BY DISCONTINUING PIRFENIDONE UNTIL BIOMARKERS ARE WITHIN LIMITS, THEN SUB-2400MG/DAY DOSE, THEN FULL DAILY DOSE IN TREATMENT OF IPF
02/10/2017
001 7635707 04/22/2029
U-2072 FULL DAILY DOSING FOLLOWING GRADE 2 ABNORMALITY IN LIVER FUNCTION BIOMARKER AFTER PIRFENIDONE ADMINISTRATION IN TREATMENT OF IPF
U-2073 DOSAGE MODIFICATION FOLLOWING GRADE 2 ABNORMALITY IN LIVER FUNCTION BIOMARKER AFTER PIRFENIDONE ADMINISTRATION, BY DISCONTINUING PIRFENIDONE UNTIL BIOMARKERS ARE WITHIN NORMAL LIMITS, FOLLOWED BY ADMINISTERING FULL DAILY DOSE IN TREATMENT OF IPF
U-2074 DOSING 1602 MG/DAY PIRFENIDONE FOLLOWING GRADE 2 ABNORMALITY IN LIVER FUNCTION BIOMARKER AFTER PIRFENIDONE ADMINISTRATION IN TREATMENT OF IPF
U-2075 DOSAGE MODIFICATION FOLLOWING GRADE 2 ABNORMALITY IN LIVER FUNCTION BIOMARKER AFTER PIRFENIDONE ADMINISTRATION, BY DISCONTINUING PIRFENIDONE UNTIL BIOMARKERS ARE WITHIN NORMAL LIMITS FOLLOWED BY ADMINISTERING 1602 MG/DAY IN TREATMENT OF IPF
U-2076 DOSAGE MODIFICATION FOLLOWING GRADE 2 ABNORMALITY IN LIVER FUNCTION BIOMARKER AFTER PIRFENIDONE ADMINISTRATION, BY ADMINISTERING 801 MG/DAY FOLLOWED BY ADMINISTERING 1602 MG/DAY IN TREATMENT OF IPF
U-2083 DOSAGE MODIFICATION FOLLOWING GRADE 2 ABNORMALITY IN LIVER FUNCTION BIOMARKER AFTER PIRFENIDONE ADMINISTRATION, BY DISCONTINUING PIRFENIDONE UNTIL BIOMARKERS ARE WITHIN NORMAL LIMITS, FOLLOWED BY 801 MG/DAY, DOSE, THEN 1602 MG/DAY IN TREATMENT OF IPF
02/10/2017
001 7767700 12/18/2027
U-2080 PIRFENIDONE DOSE ESCALATION REGIMEN FOR TREATMENT OF IPF AS 801 MG/DAY FOR DAYS 1-7 OF THE REGIMEN, 1602 MG/DAY FOR DAYS 8-14 OF THE REGIMEN, AND 2403 MG/DAY FOR AT LEAST DAY 15 OF THE REGIMEN
02/10/2017
001 7816383 01/08/2030
U-2042 DISCONTINUING ADMINISTRATION OF FLUVOXAMINE TO AVOID DRUG INTERACTIONS WITH PIRFENIDONE AND THEN ADMINISTERING PIRFENIDONE
U-2050 ADMINISTERING PIRFENIDONE WHILE AVOIDING CO-ADMINISTRATION OF FLUVOXAMINE TO AVOID DRUG INTERACTIONS WITH PIRFENIDONE
02/10/2017
001 7910610 01/08/2030
U-2048 ADMINISTERING PIRFENIDONE WHILE AVOIDING CO-ADMINISTRATION OF A STRONG CYP1A2 INHIBITOR TO AVOID DRUG INTERACTIONS WITH PIRFENIDONE
U-2049 DISCONTINUING ADMINISTRATION OF A STRONG CYP1A2 INHIBITOR TO AVOID DRUG INTERACTIONS WITH PIRFENIDONE AND THEN ADMINISTERING PIRFENIDONE
02/10/2017
001 8013002 01/08/2030
U-2047 ADMINISTERING PIRFENIDONE CONCURRENTLY WITH FLUVOXAMINE, THE PIRFENIDONE AT A DOSE OF ABOUT 801 MG/DAY TO REDUCE DRUG INTERACTIONS WITH FLUVOXAMINE
U-2082 MODIFYING PIRFENIDONE ADMINISTRATION FROM A DOSE OF ABOUT 2400 MG/DAY DOWNWARD BY ABOUT 1600 MG/DAY WHILE CO-ADMINISTERING FLUVOXAMINE TO REDUCE DRUG INTERACTIONS WITH FLUVOXAMINE
02/10/2017
001 8084475 01/08/2030
U-2052 DISCONTINUING ADMINISTRATION OF A STRONG CYP1A2 INDUCER TO AVOID REDUCED PIRFENIDONE EFFICACY AND THEN ADMINISTERING PIRFENIDONE
U-2054 ADMINISTERING PIRFENIDONE WHILE AVOIDING CONCOMITANT ADMINISTRATION OF A STRONG INDUCER OF CYP1A2 TO AVOID REDUCED PIRFENIDONE EFFICACY
02/10/2017
001 8318780 01/08/2030
U-2046 ADMINISTERING PIRFENIDONE WHILE AVOIDING CONCOMITANT USE OF A CYP1A2 INHIBITOR THAT IS A MODERATE TO STRONG INHIBITOR OF BOTH CYP1A2 AND ANOTHER CYP ENZYME SELECTED FROM CYP2C9, CYP2C19, AND CYP2D6
U-2081 DISCONTINUING USE OF A CYP1A2 INHIBITOR THAT IS A MODERATE TO STRONG INHIBITOR OF BOTH CYP1A2 AND ANOTHER CYP ENZYME SELECTED FROM CYP2C9, CYP2C19, AND CYP2D6 AND THEN ADMINISTERING PIRFENIDONE
02/10/2017
001 8383150 09/22/2026 DP
U-2361 METHOD OF ADMINISTERING A GRANULATE FORMULATION OF 5-METHYL-1-PHENYL-2-(1H)-PYRIDONE AS RECITED IN CLAIM 1, TO TREAT IDIOPATHIC PULMONARY FIBROSIS
02/10/2017
001 8420674 12/18/2027
U-2079 PIRFENIDONE DOSE ESCALATION REGIMEN FOR TREATMENT OF FIBROSIS AS 801 MG/DAY FOR DAYS 1-7 OF THE REGIMEN, 1602 MG/DAY FOR DAYS 8-14 OF THE REGIMEN, AND 2403 MG/DAY FOR AT LEAST DAY 15 OF THE REGIMEN
02/10/2017
001 8592462 04/22/2029
U-2055 DOSING OF AT LEAST 1600 MG/DAY FOLLOWING GRADE 2 LIVER ABNORMALITY IN BIOMARKER AST AND/OR ALT AFTER PIRFENIDONE ADMINISTRATION IN TREATMENT OF IPF
U-2056 DOSAGE MODIFICATION FOLLOWING GRADE 2 ABNORMALITY IN BIOMARKER AST AND/OR ALT AFTER PIRFENIDONE ADMINISTRATION, BY ADMINISTERING SUB-1600 MG/DAY, FOLLOWING BY ADMINISTERING AT LEAST 1600 MG/DAY IN TREATMENT OF IPF
U-2057 DOSING 2403 MG/DAY PIRFENIDONE FOLLOWING GRADE 2 ABNORMALITY IN BIOMARKER AST AND/OR ALT AFTER PIRFENIDONE ADMINISTRATION IN TREATMENT OF IPF
U-2058 DOSAGE MODIFICATION FOLLOWING GRADE 2 ABNORMALITY IN BIOMARKER AST AND/OR ALT AFTER PIRFENIDONE ADMINISTRATION, BY ADMINISTERING SUB-2400MG/DAY DOSE, FOLLOWED BY ADMINISTERING 2403MG/DAY IN TREATMENT OF IPF
U-2059 DOSAGE MODIFICATION FOLLOWING GRADE 2 ABNORMALITY IN BIOMARKER AST AND/OR ALT AFTER PIRFENIDONE ADMINISTRATION, BY DISCONTINUING PIRFENIDONE UNTIL BIOMARKERS OF LIVER FUNCTION ARE WITHIN NORMAL LIMITS, FOLLOWED BY FULL DAILY DOSE IN TREATMENT OF IPF
U-2060 DOSAGE MODIFICATION FOLLOWING GRADE 2 ABNORMALITY IN BIOMARKER AST AND/OR ALT AFTER PIRFENIDONE ADMINISTRATION, BY DISCONTINUING PIRFENIDONE UNTIL BIOMARKERS OF LIVER FUNCTION ARE WITHIN NORMAL LIMITS, THEN AT LEAST 1600MG/DAY IN TREATMENT OF IPF
U-2061 DOSING OF AT LEAST 1600 MG/DAY FOLLOWING GRADE 2 ABNORMALITY IN LIVER FUNCTION BIOMARKER AFTER PIRFENIDONE ADMINISTRATION IN TREATMENT OF IPF
U-2062 DOSAGE MODIFICATION FOLLOWING GRADE 2 ABNORMALITY IN LIVER FUNCTION BIOMARKER AFTER PIRFENIDONE ADMINISTRATION, BY ADMINISTERING SUB-1600 MG/DAY DOSE, FOLLOWED BY ADMINISTERING AT LEAST 1600 MG/DAY DOSE IN TREATMENT OF IPF
U-2063 DOSAGE MODIFICATION FOLLOWING GRADE 2 ABNORMALITY IN LIVER FUNCTION BIOMARKER AFTER PIRFENIDONE ADMINISTRATION, BY DISCONTINUING PIRFENIDONE UNTIL BIOMARKERS ARE WITHIN NORMAL LIMITS, FOLLOWED BY ADMINISTERING AT LEAST 1600 MG/DAY IN TREATMENT OF IPF
02/10/2017
001 8609701 04/22/2029
U-2064 DOSING AT LEAST 1602 MG/DAY FOLLOWING GRADE 2 ABNORMALITY IN LIVER FUNCTION BIOMARKER ALT OR AST AFTER PIRFENIDONE ADMINISTRATION
U-2065 FULL DAILY DOSING FOLLOWING GRADE 2 ABNORMALITY IN LIVER FUNCTION BIOMARKER ALT OR AST AFTER PIRFENIDONE ADMINISTRATION
U-2066 DOSAGE MODIFICATION FOLLOWING GRADE 2 ABNORMALITY IN LIVER FUNCTION BIOMARKER ALT OR AST AFTER PIRFENIDONE ADMINISTRATION, BY ADMINISTERING SUB-2400 MG/DAY DOSE, FOLLOWED BY FULL DAILY DOSE
U-2067 DOSAGE MODIFICATION FOLLOWING GRADE 2 ABNORMALITY IN LIVER FUNCTION BIOMARKER ALT OR AST AFTER PIRFENIDONE ADMINISTRATION, BY DISCONTINUING PIRFENIDONE, FOLLOWED BY ADMINISTERING AT LEAST 1602 MG/DAY
U-2068 DOSAGE MODIFICATION FOLLOWING GRADE 2 ABNORMALITY IN LIVER FUNCTION BIOMARKER ALT OR AST AFTER PIRFENIDONE ADMINISTRATION, BY DISCONTINUING PIRFENIDONE UNTIL BIOMARKERS OF LIVER FUNCTION ARE WITHIN NORMAL LIMITS, FOLLOWED BY FULL DAILY DOSE
U-2069 DOSAGE MODIFICATION FOLLOWING GRADE 2 ABNORMALITY IN LIVER FUNCTION BIOMARKER ALT OR AST AFTER PIRFENIDONE ADMINISTRATION, BY ADMINISTERING A SUB-1600 MG/DAY DOSE, FOLLOWED BY ADMINISTERING AT LEAST 1602 MG/DAY
U-2070 DOSAGE MODIFICATION FOLLOWING GRADE 2 ABNORMALITY IN BIOMARKER ALT OR AST AFTER PIRFENIDONE ADMINISTRATION, BY DISCONTINUING PIRFENIDONE UNTIL BIOMARKERS OF LIVER FUNCTION ARE WITHIN NORMAL LIMITS, THEN SUB-1600 MG/DAY, THEN AT LEAST 1602 MG/DAY
02/10/2017
001 8648098 01/08/2030
U-2051 DISCONTINUING SMOKING TO AVOID REDUCED PIRFENIDONE EFFICACY AND THEN ADMINISTERING PIRFENIDONE
U-2052 DISCONTINUING ADMINISTRATION OF A STRONG CYP1A2 INDUCER TO AVOID REDUCED PIRFENIDONE EFFICACY AND THEN ADMINISTERING PIRFENIDONE
02/10/2017
001 8754109 01/08/2030
U-2053 ADMINISTERING PIRFENIDONE WHILE AVOIDING CONCOMITANT ADMINISTRATION OF A STRONG INDUCER OF CYP1A2, INCLUDING CIGARETTE SMOKE, TO AVOID REDUCED PIRFENIDONE EFFICACY
02/10/2017
001 8778947 08/30/2033
U-2044 DOSE REDUCTION OF PIRFENIDONE BY ABOUT ONE HALF DURING CONCURRENT ADMINISTRATION OF CIPROFLOXACIN AT A DOSE OF 750 MG TWICE DAILY (1500 MG/DAY) TO REDUCE DRUG INTERACTIONS IN TREATMENT OF A FIBROTIC, INFLAMMATORY, OR AUTOIMMUNE DISORDER
U-2045 ADMINISTRATION OF PIRFENIDONE AND AVOIDING CONCURRENT ADMINISTRATION OF CIPROFLOXACIN AT A DOSE OF 750 MG TO REDUCE DRUG INTERACTIONS IN TREATMENT OF A FIBROTIC, INFLAMMATORY, OR AUTOIMMUNE DISORDER
02/10/2017
001 9561217 01/25/2022 DP
02/10/2017
001 10188637 03/28/2037 DP
02/25/2019

Exclusivity Data

Product No Exclusivity Code Exclusivity Expiration
001
ODE-77TREATMENT OF IDIOPATHIC PULMONARY FIBROSIS
COMPETITIVE GENERIC THERAPY
10/15/2021

 

 


View a list of all patent use codes
View a list of all exclusivity codes

Note: If you need help accessing information in different file formats, see Instructions for Downloading Viewers and Players.
Language Assistance Available: Español | 繁體中文 | Tiếng Việt | 한국어 | Tagalog | Русский | العربية | Kreyòl Ayisyen | Français | Polski | Português | Italiano | Deutsch | 日本語 | فارسی | English