You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: March 26, 2026

Ferumoxsil - Generic Drug Details


✉ Email this page to a colleague

« Back to Dashboard


What are the generic sources for ferumoxsil and what is the scope of patent protection?

Ferumoxsil is the generic ingredient in one branded drug marketed by Amag Pharms Inc and is included in one NDA. Additional information is available in the individual branded drug profile pages.

There is one drug master file entry for ferumoxsil.

Summary for ferumoxsil
US Patents:0
Tradenames:1
Applicants:1
NDAs:1
Drug Master File Entries: 1
DailyMed Link:ferumoxsil at DailyMed

US Patents and Regulatory Information for ferumoxsil

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 ferumoxsil

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
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

Market Dynamics and Financial Trajectory for Ferumoxsil

Last updated: February 16, 2026

Ferumoxsil, an oral superparamagnetic iron oxide contrast agent, has experienced limited commercial activity. Its market presence is constrained by regulatory, clinical, and competitive factors. The following analysis examines its current status, market drivers, barriers, and financial outlook.


Current Market Status

Ferumoxsil was developed primarily for hepatic and gastrointestinal imaging. It received regulatory approval in several jurisdictions but has seen declining or negligible sales in recent years. Its core attributes include:

  • Superparamagnetic properties enhancing MRI contrast
  • Oral administration for gastrointestinal studies

Clinical trials demonstrating efficacy and safety were conducted during the early 2000s, with some approvals issued around that period (e.g., Canada, South Korea). However, its U.S. approval was limited, and market adoption remains low.

Regulatory and Commercial Challenges

  • Market withdrawal: Some manufacturers have ceased production due to poor sales and competition from more versatile gadolinium-based contrast agents (GBCAs) or newer iron oxide formulations.
  • Limited clinical adoption: Clinicians prefer alternatives with broader clinical experience, regulatory approvals, and established safety profiles.
  • Regulatory hurdles: FDA and EMA approvals for oral ferumoxsil are either limited or not maintained, hampering global expansion.

Market Drivers

Despite these challenges, potential growth may hinge on several factors:

  • MRI contrast demand growth: The global MRI market grows annually at approximately 4-6%, with increasing adoption for disease detection.
  • Iron oxide MRI contrast niche: Ferumoxsil’s safety profile could appeal for specific populations (e.g., patients with renal impairment unfit for GBCAs). Nevertheless, this remains under-explored.
  • Diagnostic imaging expansion in emerging markets: Increased healthcare infrastructure investment could expand demand, especially if regulatory pathways are simplified.
  • Novel indications: Research into labeling for inflammation or infection imaging may open new avenues.

Market Size

The MRI contrast agent market is projected to reach USD 4.1 billion by 2027, growing at a CAGR of 5%. Iron oxide agents accounted for a minor share—approximately 2-3%—due to limited approvals and competition. Ferumoxsil’s market share is negligible currently.


Market Barriers

  • Competition: Gadolinium-based agents dominate, with over 80% market share globally. Newer iron oxides like ferumoxytol are preferred for certain indications.
  • Safety concerns: Gadolinium deposition and adverse events have prompted interest in alternative agents, but platform differences limit ferumoxsil’s appeal.
  • Limited intellectual property: Patent expirations and licensing issues reduce incentives for manufacturers to sustain ferumoxsil production.
  • Availability: Discontinuation by original manufacturers hampers supply; any resurgence depends on new formulations or licensing agreements.

Financial Trajectory

Given current market conditions, ferumoxsil’s revenue potential appears subdued:

Scenario Sales (USD millions) Timeline Notes
Continued decline < 1 2023–2025 Declining due to supply issues and competition
Niche revival 1–5 2025–2030 Possible with new indications or formulations
Market exit 0 Post-2025 Likely without new approval pathways

The low revenue potential aligns with minimal current market activity. Efforts to commercialize ferumoxsil would require significant investment in clinical trials, regulatory approval, and marketing—risks that conflict with industry trends favoring newer agents.


Concluding Insights

Ferumoxsil's market is effectively dormant. Its future hinges on regulatory reforms, new clinical evidence, or repurposing for niche applications. Without these, its financial trajectory remains stagnant or declining.


Key Takeaways

  • Ferumoxsil has limited current commercial activity due to competition, regulatory, and clinical factors.
  • The MRI contrast market is growing but dominated by gadolinium-based agents.
  • Small niche opportunities exist but are unlikely to yield significant revenue without substantial repositioning.
  • Market exit is probable unless revived through innovative indications or formulations.
  • Its future value depends heavily on regulatory landscape shifts and clinical research advancements.

FAQs

1. Why did ferumoxsil decline in market presence?
It faced competition from gadolinium agents, limited regulatory approvals, and lack of clinical adoption, leading to reduced production and sales.

2. Are there regulatory pathways to revive ferumoxsil?
Yes, through new clinical trials or reformulations, especially if targeting niche uses or gaining approvals in emerging markets.

3. What competing products dominate within iron oxide MRI contrast agents?
Ferumoxytol and others are preferred due to broader indications and more recent clinical data.

4. Could ferumoxsil find a niche in MRI imaging?
Potentially, for patients allergic or contraindicated for gadolinium, but evidence remains limited, and significant clinical studies are needed.

5. What strategic moves could improve ferumoxsil’s prospects?
Licensing new indications, pursuing regulatory approval by demonstrating safety and efficacy, and focusing on underserved markets.


Sources:
[1] Market research reports, 2022 projections.
[2] FDA and EMA drug approval databases.
[3] Industry publications on MRI contrast agents.

More… ↓

⤷  Start Trial

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.