AMITIZA Drug Patent Profile
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When do Amitiza patents expire, and when can generic versions of Amitiza launch?
Amitiza is a drug marketed by Sucampo Pharma Llc and is included in one NDA. There are nine patents protecting this drug and one Paragraph IV challenge.
This drug has one hundred and thirty patent family members in twenty-four countries.
The generic ingredient in AMITIZA is lubiprostone. There are ten drug master file entries for this compound. Twelve suppliers are listed for this compound. Additional details are available on the lubiprostone profile page.
DrugPatentWatch® Litigation and Generic Entry Outlook for Amitiza
A generic version of AMITIZA was approved as lubiprostone by TEVA PHARMS USA INC on January 18th, 2022.
Summary for AMITIZA
International Patents: | 130 |
US Patents: | 9 |
Applicants: | 1 |
NDAs: | 1 |
Finished Product Suppliers / Packagers: | 7 |
Raw Ingredient (Bulk) Api Vendors: | 88 |
Clinical Trials: | 28 |
Patent Applications: | 1,665 |
Drug Prices: | Drug price information for AMITIZA |
Patent Litigation and PTAB cases: | See patent lawsuits and PTAB cases for AMITIZA |
What excipients (inactive ingredients) are in AMITIZA? | AMITIZA excipients list |
DailyMed Link: | AMITIZA at DailyMed |



Recent Clinical Trials for AMITIZA
Identify potential brand extensions & 505(b)(2) entrants
Sponsor | Phase |
---|---|
Sucampo Pharma Americas, LLC | Phase 2 |
Sucampo AG | Phase 2 |
Takeda | Phase 2 |
Pharmacology for AMITIZA
Drug Class | Chloride Channel Activator |
Mechanism of Action | Chloride Channel Activators |
Anatomical Therapeutic Chemical (ATC) Classes for AMITIZA
Paragraph IV (Patent) Challenges for AMITIZA
Tradename | Dosage | Ingredient | Strength | NDA | ANDAs Submitted | Submissiondate |
---|---|---|---|---|---|---|
AMITIZA | Capsules | lubiprostone | 8 mcg and 24 mcg | 021908 | 1 | 2012-08-20 |
US Patents and Regulatory Information for AMITIZA
AMITIZA is protected by fourteen US patents.
Patents protecting AMITIZA
Method for treating drug-induced constipation
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: METHOD FOR TREATING OPIOID-INDUCED CONSTIPATION
Chloride channel opener
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: METHOD OF TREATING CONSTIPATION IN A PATIENT WITH IRRITABLE BOWEL SYNDROME BY OPENING CHLORIDE CHANNELS (CIC)
Chloride channel opener
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: METHOD FOR TREATING CONSTIPATION BY OPENING CIC CHANNELS IN A MAMMALIAN SUBJECT
Chloride channel opener
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: METHOD FOR TREATING CONSTIPATION IN A PATIENT WITH OPIOID-INDUCED CONSTIPATION BY OPENING CIC CHANNELS
Method for treating abdominal discomfort
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: METHOD FOR TREATING IRRITABLE BOWEL SYNDROME AND METHOD FOR TREATING ABDOMINAL DISCOMFORT ASSOCIATED WITH IRRITABLE BOWEL SYNDROME
Soft-gelatin capsule formulation
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Dosage unit comprising a prostaglandin analog for treating constipation
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: METHOD FOR RELIEVING CONSTIPATION IN A PATIENT WITH OPIOID-INDUCED CONSTIPATION THAT COMPRISES ADMINISTERING TO THE PATIENT A DOSAGE UNIT COMPRISING(I)24MICROG+/- 10% OF A DRUG SUBSTANCE AND (II) A PHARMACEUTICALLY SUITABLE EXCIPIENT
Dosage unit comprising a prostaglandin analog for treating constipation
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: METHOD FOR RELIEVING CONSTIPATION IN A HUMAN PATIENT THAT COMPRISES ADMINISTERING TO THE PATIENT A DOSAGE UNIT COMPRISING (I) 24MCG+/- 10% OF A DRUG SUBSTANCE AND (II) A PHARMACEUTICALLY SUITABLE EXCIPIENT
Soft-gelatin capsule formulation
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Dosage unit comprising a prostaglandin analog for treating constipation
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: USE IN RELIEVING OR PREVENTING CONSTIPATION IN A HUMAN PATIENT WITH A DOSAGE UNIT COMPRISING 24MICROG+/- 10% OF A DRUG SUBSTANCE AND A PHARMACEUTICALLY SUITABLE EXCIPIENT
Dosage unit comprising a prostaglandin analog for treating constipation
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: USE IN RELIEVING OR PREVENTING CONSTIPATION IN A PATIENT WITH OPIOID-INDUCED CONSTIPATION WITH A DOSAGE UNIT COMPRISING 24MICROG +/- 10% OF A DRUG SUBSTANCE AND A PHARMACEUTICALLY SUITABLE EXCIPIENT
Method for treating gastrointestinal disorder
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: METHOD FOR THE LONG TERM TREATMENT OF CHRONIC CONSTIPATION IN A HUMAN SUBJECT WITH IRRITABLE BOWEL SYNDROME
Method for treating gastrointestinal disorder
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: METHOD FOR THE LONG TERM TREATMENT OF CHRONIC CONSTIPATION IN A HUMAN SUBJECT
Soft-gelatin capsule formulation
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Exclusivity Expiration |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sucampo Pharma Llc | AMITIZA | lubiprostone | CAPSULE;ORAL | 021908-002 | Apr 29, 2008 | AB | RX | Yes | No | ⤷ Try a Trial | ⤷ Try a Trial | ⤷ Try a Trial | |||
Sucampo Pharma Llc | AMITIZA | lubiprostone | CAPSULE;ORAL | 021908-001 | Jan 31, 2006 | AB | RX | Yes | Yes | ⤷ Try a Trial | ⤷ Try a Trial | Y | ⤷ Try a Trial | ||
Sucampo Pharma Llc | AMITIZA | lubiprostone | CAPSULE;ORAL | 021908-002 | Apr 29, 2008 | AB | RX | Yes | No | ⤷ Try a Trial | ⤷ Try a Trial | Y | ⤷ Try a Trial | ||
Sucampo Pharma Llc | AMITIZA | lubiprostone | CAPSULE;ORAL | 021908-002 | Apr 29, 2008 | AB | RX | Yes | No | ⤷ Try a Trial | ⤷ Try a Trial | ⤷ Try a Trial | |||
>Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >TE | >Type | >RLD | >RS | >Patent No. | >Patent Expiration | >Product | >Substance | >Delist Req. | >Exclusivity Expiration |
Expired US Patents for AMITIZA
Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | Patent No. | Patent Expiration |
---|---|---|---|---|---|---|---|
Sucampo Pharma Llc | AMITIZA | lubiprostone | CAPSULE;ORAL | 021908-001 | Jan 31, 2006 | ⤷ Try a Trial | ⤷ Try a Trial |
Sucampo Pharma Llc | AMITIZA | lubiprostone | CAPSULE;ORAL | 021908-001 | Jan 31, 2006 | ⤷ Try a Trial | ⤷ Try a Trial |
Sucampo Pharma Llc | AMITIZA | lubiprostone | CAPSULE;ORAL | 021908-001 | Jan 31, 2006 | ⤷ Try a Trial | ⤷ Try a Trial |
Sucampo Pharma Llc | AMITIZA | lubiprostone | CAPSULE;ORAL | 021908-001 | Jan 31, 2006 | ⤷ Try a Trial | ⤷ Try a Trial |
>Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >Patent No. | >Patent Expiration |
International Patents for AMITIZA
When does loss-of-exclusivity occur for AMITIZA?
Based on analysis by DrugPatentWatch, the following patents block generic entry in the countries listed below:
Australia
Patent: 07208632
Estimated Expiration: ⤷ Try a Trial
Brazil
Patent: 0707334
Estimated Expiration: ⤷ Try a Trial
Canada
Patent: 37274
Estimated Expiration: ⤷ Try a Trial
China
Patent: 1410097
Estimated Expiration: ⤷ Try a Trial
Patent: 4971056
Estimated Expiration: ⤷ Try a Trial
Patent: 4983712
Estimated Expiration: ⤷ Try a Trial
Denmark
Patent: 78944
Estimated Expiration: ⤷ Try a Trial
European Patent Office
Patent: 78944
Estimated Expiration: ⤷ Try a Trial
Israel
Patent: 2867
Estimated Expiration: ⤷ Try a Trial
Japan
Patent: 83794
Estimated Expiration: ⤷ Try a Trial
Patent: 08534432
Estimated Expiration: ⤷ Try a Trial
Mexico
Patent: 08009650
Estimated Expiration: ⤷ Try a Trial
New Zealand
Patent: 0191
Estimated Expiration: ⤷ Try a Trial
Portugal
Patent: 78944
Estimated Expiration: ⤷ Try a Trial
Russian Federation
Patent: 20291
Estimated Expiration: ⤷ Try a Trial
Patent: 08134489
Estimated Expiration: ⤷ Try a Trial
South Korea
Patent: 1393944
Estimated Expiration: ⤷ Try a Trial
Patent: 080090526
Estimated Expiration: ⤷ Try a Trial
Spain
Patent: 92590
Estimated Expiration: ⤷ Try a Trial
Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.
See the table below for additional patents covering AMITIZA around the world.
Country | Patent Number | Title | Estimated Expiration |
---|---|---|---|
European Patent Office | 2298314 | Unité posologique contenant un analogue de prostaglandine permettant de traiter la constipation (Dosage unit comprising a prostaglandin analog for treating constipation) | ⤷ Try a Trial |
Mexico | PA02003756 | COMPOSICION NOVEDOSA Y METODO PARA ESTABILIZAR LA MISMA. (BICYCLIC COMPOUNDS COMPOSITION AND METHOD FOR STABILIZING THE SAME.) | ⤷ Try a Trial |
Canada | 2458471 | ANALOGUES A LA PROSTAGLANDINE EN TANT QU'AGENTS D'OUVERTURE DES CANAUX DE CHLORURE (PROSTAGLANDIN ANALOGS AS CHLORIDE CHANNEL OPENER) | ⤷ Try a Trial |
Germany | 3873007 | ⤷ Try a Trial | |
>Country | >Patent Number | >Title | >Estimated Expiration |
Supplementary Protection Certificates for AMITIZA
Patent Number | Supplementary Protection Certificate | SPC Country | SPC Expiration | SPC Description |
---|---|---|---|---|
2298314 | 92826 | Luxembourg | ⤷ Try a Trial | PRODUCT NAME: LUBIPROSTONE, INCLUANT LES SELS PHARMACEUTIQUEMENT ACCEPTABLES, LES ESTERS OU LES AMIDES DE LA LUBIPROSTONE. FIRST REGISTRATION: 20120910 |
1315485 | C01315485/01 | Switzerland | ⤷ Try a Trial | FORMER REPRESENTATIVE: BOHEST AG, CH |
1315485 | 2015C/048 | Belgium | ⤷ Try a Trial | PRODUCT NAME: LUBIPROSTONE; AUTHORISATION NUMBER AND DATE: PL21341/0003 20150317 |
1315485 | 2015/028 | Ireland | ⤷ Try a Trial | PRODUCT NAME: LUBIPROSTONE AND PHARMACEUTICALLY ACCEPTABLE SALTS FOR LUBIPROSTONE.; NAT REGISTRATION NO/DATE: PA148/002/001 20150213; FIRST REGISTRATION NO/DATE: PL21341/0003-0001 20120910 |
>Patent Number | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration | >SPC Description |