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-six 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 |
---|---|---|---|
New Zealand | 220616 | INTRAVAGINAL DEVICE CONTAINING 17B-ESTRADIOL AND SUPPORTING MATRIX; METHOD OF PREPARATION | ⤷ Try a Trial |
Australia | 7422287 | ⤷ Try a Trial | |
South Africa | 8704174 | ⤷ 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 | C201630040 | Spain | ⤷ Try a Trial | PRODUCT NAME: ETINILESTRADIOL Y MEZCLA DE LEVONORGESTREL Y ETINILESTRADIOL; NATIONAL AUTHORISATION NUMBER: 80340; DATE OF AUTHORISATION: 20160122; NUMBER OF FIRST AUTHORISATION IN EUROPEAN ECONOMIC AREA (EEA): 17/0017/15-S; DATE OF FIRST AUTHORISATION IN EEA: 20150211 |
0136011 | 99C0003 | Belgium | ⤷ Try a Trial | PRODUCT NAME: ESTRADIOL AND NORETHISTERONE; FIRST REGISTRATION NO/DATE: 403 IS 106 F3 19980928; FIRST REGISTRATION: SE 14007 19980306 |
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 |
>Patent Number | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration | >SPC Description |