ESTRING Drug Patent Profile
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Which patents cover Estring, and when can generic versions of Estring launch?
Estring is a drug marketed by Pfizer and is included in one NDA.
The generic ingredient in ESTRING is estradiol. There are seventy-five drug master file entries for this compound. Forty-five suppliers are listed for this compound. Additional details are available on the estradiol profile page.
DrugPatentWatch® Litigation and Generic Entry Outlook for Estring
A generic version of ESTRING was approved as estradiol by BARR LABS INC on October 22nd, 1997.
Summary for ESTRING
US Patents: | 0 |
Applicants: | 1 |
NDAs: | 1 |
Finished Product Suppliers / Packagers: | 1 |
Raw Ingredient (Bulk) Api Vendors: | 109 |
Clinical Trials: | 4 |
Patent Applications: | 4,225 |
Formulation / Manufacturing: | see details |
Drug Prices: | Drug price information for ESTRING |
Drug Sales Revenues: | Drug sales revenues for ESTRING |
What excipients (inactive ingredients) are in ESTRING? | ESTRING excipients list |
DailyMed Link: | ESTRING at DailyMed |
Recent Clinical Trials for ESTRING
Identify potential brand extensions & 505(b)(2) entrants
Sponsor | Phase |
---|---|
Beth Israel Deaconess Medical Center | Phase 4 |
Boston Urogynecology Associates | Phase 4 |
Mount Auburn Hospital | Phase 4 |
Pharmacology for ESTRING
Drug Class | Estrogen |
Mechanism of Action | Estrogen Receptor Agonists |
Anatomical Therapeutic Chemical (ATC) Classes for ESTRING
US Patents and Regulatory Information for ESTRING
Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Exclusivity Expiration |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pfizer | ESTRING | estradiol | INSERT, EXTENDED RELEASE;VAGINAL | 020472-001 | Apr 26, 1996 | RX | Yes | Yes | ⤷ 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 ESTRING
Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | Patent No. | Patent Expiration |
---|---|---|---|---|---|---|---|
Pfizer | ESTRING | estradiol | INSERT, EXTENDED RELEASE;VAGINAL | 020472-001 | Apr 26, 1996 | ⤷ Try a Trial | ⤷ Try a Trial |
Pfizer | ESTRING | estradiol | INSERT, EXTENDED RELEASE;VAGINAL | 020472-001 | Apr 26, 1996 | ⤷ Try a Trial | ⤷ Try a Trial |
>Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >Patent No. | >Patent Expiration |
International Patents for ESTRING
See the table below for patents covering ESTRING around the world.
Country | Patent Number | Title | Estimated Expiration |
---|---|---|---|
Finland | 91709 | ⤷ Try a Trial | |
South Africa | 8704174 | ⤷ Try a Trial | |
China | 87104229 | ⤷ Try a Trial | |
Canada | 1314482 | DISPOSITIF INTRA-VAGINALS (INTRAVAGINAL DEVICES) | ⤷ Try a Trial |
Ireland | 60654 | Intravaginal devices | ⤷ Try a Trial |
Israel | 82769 | DEVICE FOR TREATING HYPOESTROGENIC WOMEN | ⤷ Try a Trial |
European Patent Office | 0253109 | INTRAVAGINAL DEVICE AND METHOD OF PREPARING THE SAME | ⤷ Try a Trial |
>Country | >Patent Number | >Title | >Estimated Expiration |
Supplementary Protection Certificates for ESTRING
Patent Number | Supplementary Protection Certificate | SPC Country | SPC Expiration | SPC Description |
---|---|---|---|---|
1453521 | 122015000093 | Germany | ⤷ Try a Trial | PRODUCT NAME: LEVONORGESTREL UND ETHINYLESTRADIOL; NAT. REGISTRATION NO/DATE: 87675.00.00 20150720; FIRST REGISTRATION: SLOWAKEI 17/0017/15-S 20150129 |
0770388 | SPC/GB09/026 | United Kingdom | ⤷ Try a Trial | PRODUCT NAME: ESTRADIOL AND COMBINATIONS OF ESTRADIOL AND DIENOGEST, PREFERABLY ESTRADIOL VALERATE AND COMBINATIONS OF ESTRADIOL VALERATE AND DIENOGEST; REGISTERED: BE BE 327792 20081103; UK PL 00010/0576-0001 20081208 |
2782584 | 122021000080 | Germany | ⤷ Try a Trial | PRODUCT NAME: ZUSAMMENSETZUNG, DIE SOWOHL ESTRADIOL (17SS-ESTRADIOL), GEGEBENENFALLS IN FORM EINES PHARMAZEUTISCH ANNEHMBAREN SALZES, HYDRATS ODER SOLVATS DAVON (EINSCHLIESSLICH IN FORM EINES HEMIHYDRATS), ALS AUCH PROGESTERON ENTHAELT; NAT. REGISTRATION NO/DATE: 2205034.00.00 20210924; FIRST REGISTRATION: BELGIEN BE582231 20210406 |
0398460 | 04C0022 | France | ⤷ Try a Trial | PRODUCT NAME: ESTRADIOL ANHYDRE DROSPIRENONE; REGISTRATION NO/DATE IN FRANCE: NL 28661 DU 20040316; REGISTRATION NO/DATE AT EEC: RVG 27505 DU 20021211 |
0584952 | 99C0004 | Belgium | ⤷ Try a Trial | PRODUCT NAME: ESTRADIOL, HEMIHYDRATE, NORETHISTERONE, ACETATE; NAT. REGISTRATION NO/DATE: NL 23753 19981210; FIRST REGISTRATION: SE - 14 007 19980306 |
0771217 | CA 2006 00038 | Denmark | ⤷ Try a Trial | PRODUCT NAME: ETHINYLESTRADIOL (SOM BETA-CYCLODEXTRIN-CLATHRAT) OG DROSPIRENON; NAT. REG. NO/DATE: 38687 20060627; FIRST REG. NO/DATE: EU RVG 31781 20050804 |
0770388 | 9/2009 | Austria | ⤷ Try a Trial | PRODUCT NAME: KOMBINATION AUS ESTRADIOLVALERAT UND DIENOGEST; NAT. REGISTRATION NO/DATE: 1-28003 20090203; FIRST REGISTRATION: BE BE 327792 20081103 |
>Patent Number | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration | >SPC Description |