Last Updated: September 24, 2026

GASTROMARK Drug Patent Profile


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When do Gastromark patents expire, and what generic alternatives are available?

Gastromark is a drug marketed by Amag Pharms Inc and is included in one NDA.

The generic ingredient in GASTROMARK is ferumoxsil. There is one drug master file entry for this compound. Additional details are available on the ferumoxsil profile page.

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Summary for GASTROMARK
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 1
DailyMed Link:GASTROMARK at DailyMed

US Patents and Regulatory Information for GASTROMARK

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Amag Pharms Inc GASTROMARK ferumoxsil SUSPENSION;ORAL 020410-001 Dec 6, 1996 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start 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 GASTROMARK

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Amag Pharms Inc GASTROMARK ferumoxsil SUSPENSION;ORAL 020410-001 Dec 6, 1996 ⤷  Start Trial ⤷  Start Trial
Amag Pharms Inc GASTROMARK ferumoxsil SUSPENSION;ORAL 020410-001 Dec 6, 1996 ⤷  Start Trial ⤷  Start Trial
Amag Pharms Inc GASTROMARK ferumoxsil SUSPENSION;ORAL 020410-001 Dec 6, 1996 ⤷  Start Trial ⤷  Start Trial
Amag Pharms Inc GASTROMARK ferumoxsil SUSPENSION;ORAL 020410-001 Dec 6, 1996 ⤷  Start Trial ⤷  Start Trial
Amag Pharms Inc GASTROMARK ferumoxsil SUSPENSION;ORAL 020410-001 Dec 6, 1996 ⤷  Start Trial ⤷  Start Trial
Amag Pharms Inc GASTROMARK ferumoxsil SUSPENSION;ORAL 020410-001 Dec 6, 1996 ⤷  Start Trial ⤷  Start Trial
Amag Pharms Inc GASTROMARK ferumoxsil SUSPENSION;ORAL 020410-001 Dec 6, 1996 ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

International Patents for GASTROMARK

See the table below for patents covering GASTROMARK around the world.

Country Patent Number Title Estimated Expiration
Austria 70366 ⤷  Start Trial
Canada 1254028 ⤷  Start Trial
Canada 1266769 PARTICULES AIMANTEES POUR EMPLOI DANS LES SEPARATIONS (MAGNETIC PARTICLES FOR USE IN SEPARATIONS) ⤷  Start Trial
Germany 3485332 ⤷  Start Trial
Denmark 237484 ⤷  Start Trial
European Patent Office 0125995 MAGNETIC PARTICLES FOR USE IN SEPARATIONS ⤷  Start Trial
European Patent Office 0357593 ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

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