Last Updated: May 26, 2026

deferiprone - Profile


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What are the generic drug sources for deferiprone and what is the scope of freedom to operate?

Deferiprone is the generic ingredient in two branded drugs marketed by Chiesi, Hikma, Senores Pharms, and Taro, and is included in six NDAs. There are seven patents protecting this compound and one Paragraph IV challenge. Additional information is available in the individual branded drug profile pages.

Deferiprone has sixty-two patent family members in thirty-four countries.

Summary for deferiprone
International Patents:62
US Patents:7
Tradenames:2
Applicants:4
NDAs:6
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for deferiprone
Paragraph IV (Patent) Challenges for DEFERIPRONE
Tradename Dosage Ingredient Strength NDA ANDAs Submitted Submissiondate
FERRIPROX Tablets deferiprone 500 mg 021825 1 2016-01-29

US Patents and Regulatory Information for deferiprone

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Chiesi FERRIPROX deferiprone SOLUTION;ORAL 208030-002 Apr 20, 2018 DISCN Yes No ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Chiesi FERRIPROX deferiprone SOLUTION;ORAL 208030-002 Apr 20, 2018 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Chiesi FERRIPROX deferiprone SOLUTION;ORAL 208030-001 Sep 9, 2015 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Chiesi FERRIPROX deferiprone SOLUTION;ORAL 208030-001 Sep 9, 2015 RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Hikma DEFERIPRONE deferiprone TABLET;ORAL 213239-002 Feb 8, 2022 AB RX No Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Hikma DEFERIPRONE deferiprone TABLET;ORAL 213239-001 Mar 29, 2021 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Senores Pharms DEFERIPRONE deferiprone TABLET;ORAL 220132-002 Dec 11, 2025 AB RX 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 deferiprone

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Chiesi FERRIPROX deferiprone SOLUTION;ORAL 208030-002 Apr 20, 2018 ⤷  Start Trial ⤷  Start Trial
Chiesi FERRIPROX deferiprone TABLET;ORAL 212269-001 May 19, 2020 ⤷  Start Trial ⤷  Start Trial
Chiesi FERRIPROX deferiprone TABLET;ORAL 021825-002 Jul 25, 2019 ⤷  Start Trial ⤷  Start Trial
Chiesi FERRIPROX deferiprone SOLUTION;ORAL 208030-001 Sep 9, 2015 ⤷  Start Trial ⤷  Start Trial
Chiesi FERRIPROX deferiprone TABLET;ORAL 021825-001 Oct 14, 2011 ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

EU/EMA Drug Approvals for deferiprone

Company Drugname Inn Product Number / Indication Status Generic Biosimilar Orphan Marketing Authorisation Marketing Refusal
Chiesi Farmaceutici S.p.A. Ferriprox deferiprone EMEA/H/C/000236Ferriprox monotherapy is indicated for the treatment of iron overload in patients with thalassaemia major when current chelation therapy is contraindicated or inadequate.Ferriprox in combination with another chelator is indicated in patients with thalassaemia major when monotherapy with any iron chelator is ineffective, or when prevention or treatment of life-threatening consequences of iron overload (mainly cardiac overload) justifies rapid or intensive correction. Authorised no no no 1999-08-25
Lipomed GmbH Deferiprone Lipomed deferiprone EMEA/H/C/004710Deferiprone Lipomed monotherapy is indicated for the treatment of iron overload in patients with thalassaemia major when current chelation therapy is contraindicated or inadequate.Deferiprone Lipomed in combination with another chelator is indicated in patients with thalassaemia major when monotherapy with any iron chelator is ineffective, or when prevention or treatment of life-threatening consequences of iron overload justifies rapid or intensive correction. Authorised yes no no 2018-09-19
>Company >Drugname >Inn >Product Number / Indication >Status >Generic >Biosimilar >Orphan >Marketing Authorisation >Marketing Refusal

International Patents for deferiprone

Country Patent Number Title Estimated Expiration
Ukraine 126977 ⤷  Start Trial
South Korea 20200077542 지연 방출 데페리프론 정제 및 그의 사용 방법 ⤷  Start Trial
Croatia P20251151 ⤷  Start Trial
South Korea 102624627 ⤷  Start Trial
Canada 3077514 ⤷  Start Trial
New Zealand 787785 ⤷  Start Trial
Finland 3684344 ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

DEFERIPRONE: Investment Scenario and Fundamentals Analysis

Last updated: April 25, 2026

What is deferiprone and how is it used?

Deferiprone is an oral iron chelator used to treat iron overload in patients with conditions that require reduction of excess iron, most prominently transfusion-dependent iron overload. The drug is positioned as a chelation option for patients who need long-term management of iron burden, and it competes across an established chelation market that also includes deferoxamine (parenteral) and deferasirox (oral).

Core positioning (industry framing)

  • Oral iron chelation
  • Chronic use in iron-overload management
  • Global commercialization through branded and generic supply chains, with market access shaped by payer coverage and national tendering

What is the IP and exclusivity landscape?

A full investment-grade IP map for deferiprone depends on jurisdiction-specific filings, country-by-country patent expiry, and marketing authorization histories for both originator and subsequent formulations. The necessary, citable dataset (publication numbers, family members, granted claim scope, and expiry by territory) is not provided here, and the available prompt does not include verifiable patent records. With no jurisdictional patent table and no authorization timeline by country, a complete and accurate IP outcome cannot be produced.

What are the financial and demand drivers?

Deferiprone fundamentals in an investment scenario typically hinge on four pillars: iron-overload prevalence in treated populations, chelation adherence and switching behavior, payer preference and pricing, and manufacturing continuity for generics.

Demand drivers

  • Transfusion-dependent iron overload: steady incidence-driven demand where chelation is maintained long term
  • Adherence and route of administration: oral products can win share versus parenteral chelation in managed-care settings
  • Clinical switching: patients can switch among chelators due to efficacy, safety, tolerability, monitoring burden, and payer rules
  • Competition: deferasirox’s oral convenience and broad uptake in many markets can pressure pricing and volume for deferiprone unless differentiated through access, prescriber preference, or local tender dynamics

Pricing and payer dynamics

  • Tender pricing and reimbursement: in many markets, iron chelators are subject to price pressure and formulary churn
  • Generic substitution: deferiprone has significant generic presence in multiple regions, which typically compresses gross margins unless a premium formulation is protected
  • Monitoring burden trade-offs: chelation drugs can drive downstream resource use (lab monitoring), which can affect formulary decisions even when acquisition cost is lower

Manufacturing and supply

  • Iron chelators are commercially mature. Investment outcomes track supply stability, regulatory compliance, and the continuity of generic production.

How does clinical risk shape commercialization?

For mature chelators, investment risk is less about first-in-class uncertainty and more about safety management, label compliance, and ongoing pharmacovigilance.

Clinical and safety considerations that impact payer and prescriber behavior

  • Monitoring requirements: deferiprone therapy typically requires regular lab monitoring, affecting adherence and clinic throughput
  • Risk management: the drug’s safety profile drives prescriber comfort and operational capability in iron-overload clinics
  • Comparative switching: switching between chelators can be driven by tolerability and monitoring feasibility

These factors directly influence retention and share in chronic use populations.

What does the competitive set look like?

Deferiprone competes in a category dominated by iron chelators with both oral and parenteral modalities.

Competitive landscape (high-level)

  • Deferoxamine (parenteral chelator)
  • Deferasirox (oral chelator)
  • Deferiprone (oral chelator)

Investment implications

  • Share gains usually require one of the following:
    • better access (pricing/tender placement)
    • better patient retention (tolerability and adherence)
    • niche positioning where prescribers and clinics have standardized workflows

What is the investment scenario by pathway?

Because the request is investment-focused, the scenario is best framed around realistic commercial paths for a mature drug rather than R&D-only narratives.

Scenario A: Value retention from continued standard-of-care use

Thesis

  • Deferiprone maintains a stable treated population and continues to be prescribed where oral chelation is preferred or where it is covered effectively.

Key sensitivities

  • Generic pricing erosion rate
  • Tender dynamics in major markets
  • Switching rates to deferasirox or away due to tolerability or monitoring

Scenario B: Margin compression with limited upside unless differentiated

Thesis

  • Patent-protected premium products are limited by expiry and generic competition, producing industry-standard margin pressure.

Key sensitivities

  • Acquisition cost reductions in generics
  • Incremental loss of formulary share to deferasirox
  • Regulatory actions against suppliers affecting supply

Scenario C: Rebound through formulation differentiation or regional re-access

Thesis

  • If a branded or improved formulation exists with meaningful access advantages (billing codes, dosing convenience, or local tender wins), the drug can re-expand share even as category pricing declines.

Key sensitivities

  • Regulatory approval status of any improved formulation in specific countries
  • Payer coding and reimbursement mechanics
  • Prescriber adoption time in chronically managed iron overload clinics

Where are the measurable business levers?

The investment case for deferiprone is operational and market-access driven rather than discovery driven.

Business levers

  • Formulary access: inclusion in hospital and regional iron overload protocols
  • Tender execution: winning and maintaining price-positioned contracts
  • Supply reliability: manufacturing and regulatory compliance to avoid stock-outs or delisting
  • Clinical support: patient monitoring infrastructure and clinic enablement to drive persistence

Market and regulatory posture

Deferiprone’s role is tied to long-term iron chelation programs. In such programs, drug status and continuity matter as much as headline efficacy.

Regulatory posture

  • Mature regulatory status in multiple regions
  • Ongoing pharmacovigilance expectations
  • Label adherence shaped by monitoring and risk management procedures

Because the prompt does not provide a region-by-region approvals or label update table, a complete regulatory analysis cannot be completed with adequate specificity.

Key due-diligence checklist for an investor

Given the drug’s maturity, the most actionable diligence focuses on commercial execution and IP status.

Diligence items to validate

  1. Territory pricing and reimbursement: contract and reimbursement trends in top markets
  2. Generic competitor map: supplier landscape, approvals, and quality history
  3. Formulary share: hospital and clinic-level uptake and persistence
  4. Switching patterns: reported therapy transitions to and from deferiprone
  5. Any formulation/patent differentiation: confirm granted status, expiry dates, and claim scope in key jurisdictions

What is the bottom-line investment view?

Deferiprone is a mature, category-defined asset where commercial outcomes are dominated by market access, generic pricing forces, and clinic adherence workflows. The upside case depends on maintaining formulary position and supply continuity, with any premium margin supported only by credible differentiation and enforceable IP. Without an auditable jurisdictional IP table and authorization timeline, the investment view cannot quantify patent-driven durability or model exclusivity duration accurately.

Key Takeaways

  • Deferiprone is an oral iron chelator used in long-term management of iron overload, where commercial results are driven by payer access and switching behavior.
  • The competitive set includes other established chelators, especially oral agents, which compress value unless deferiprone wins through reimbursement and clinical persistence.
  • Investment sensitivity concentrates on tender pricing, generic erosion, supply continuity, and monitoring-enabled adherence.
  • A complete IP and exclusivity-based durability assessment requires a jurisdiction-by-jurisdiction patent and authorization record; it is not provided in the prompt, so no quantified exclusivity conclusion can be produced here.

FAQs

1) Is deferiprone protected by meaningful near-term exclusivity in key markets?
An exclusivity answer requires a jurisdiction-specific patent and marketing authorization timeline that is not provided here.

2) What drives deferiprone demand most: prevalence or adherence?
Demand is steady on prevalence, but persistence and switching behavior in treated clinics are the main commercial determinants.

3) How does generic competition typically affect deferiprone margins?
Generic substitution usually compresses pricing and gross margins unless there is premium differentiation tied to protected formulation elements.

4) What is the main risk in a commercial forecast for deferiprone?
Tender pricing volatility and formulary loss to alternative chelators, combined with supply disruptions or delisting risk.

5) What operational factors matter most for share retention?
Clinic monitoring workflows, reliable supply, and reimbursement mechanics that support ongoing therapy without interruptions.


References

[1] No sources were provided in the prompt.

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