Intravenous Iron Drugs Market
Intravenous Iron Drugs Market Size and Share Forecast Outlook 2025 to 2035
Intravenous iron drugs market is projected to grow from USD 3.6 billion in 2025 to USD 9.0 billion by 2035, at a CAGR of 9.6%. Ferric Carboxymaltose (FCM) will dominate with a 50.3% market share, while chronic kidney disease (ckd) will lead the application segment with a 33.1% share.
Intravenous Iron Drugs Market Forecast and Outlook 2025 to 2035
The global intravenous iron drugs market is set to grow from USD 3.6 billion in 2025 to USD 9.0 billion by 2035, adding USD 5.4 billion in new revenue and advancing at a CAGR of 9.6%. Growth is driven by escalating demand for rapid iron repletion therapies in chronic disease populations, expanding infusion center infrastructure across hospital and outpatient settings, and accelerating adoption of intravenous iron protocols among hematologists managing iron deficiency anemia unresponsive to oral supplementation.
Intravenous iron drug technologies are increasingly recognized as essential therapeutic interventions for patients with gastrointestinal intolerance, malabsorption syndromes, and severe iron deficiency requiring rapid hemoglobin restoration, offering superior bioavailability, faster response times, and improved tolerability characteristics compared to oral iron supplement approaches.
Quick Stats for Intravenous Iron Drugs Market
- Intravenous Iron Drugs Market Value (2025): USD 3.6 billion
- Intravenous Iron Drugs Market Forecast Value (2035): USD 9.0 billion
- Intravenous Iron Drugs Market Forecast CAGR: 9.6%
- Leading Product in Intravenous Iron Drugs Market: Ferric Carboxymaltose (50.3%)
- Key Growth Regions in Intravenous Iron Drugs Market: Asia Pacific, North America, and Europe
- Top Players in Intravenous Iron Drugs Market: Sanofi, AbbVie Inc., Vifor Pharma, AMAG Pharmaceuticals, Daiichi Sankyo Co.

Ferric carboxymaltose formulations are favored in hospital and infusion center environments for their high-dose administration capabilities, providing rapid iron delivery, minimal hypersensitivity reactions, and single-dose treatment potential across diverse iron deficiency etiologies and patient populations.
Chronic kidney disease applications remain fundamental in intravenous iron utilization where erythropoiesis-stimulating agent optimization and dialysis-associated iron losses match treatment protocol requirements and anemia management standards. Cancer-related iron deficiency is advancing among application categories as chemotherapy-induced anemia recognition increases and supportive care integration improves quality of life outcomes in oncology facilities with comprehensive symptom management protocols.
Geographic concentration demonstrates dynamic growth patterns with China and India driving expansion, supported by rising anemia prevalence levels, infusion infrastructure development among healthcare sectors, and clinical guideline establishment programs in tertiary hospitals.
The USA, Brazil, Germany, Japan, and Saudi Arabia demonstrate robust development through established nephrology and oncology care ecosystems, reimbursement framework maturity for specialty infusion therapies, and physician expertise in parenteral iron administration protocols.
Competitive advantage is consolidating around formulation safety profiles, infusion time optimization, hypersensitivity risk minimization, and comprehensive iron replacement portfolios rather than standalone product offerings alone.
The first half of the decade will witness substantial market expansion characterized by the continued dominance of ferric carboxymaltose in clinical practice settings, combined with accelerating adoption of novel iron formulations in outpatient applications where convenience features and safety enhancements create favorable patient experience outcomes.
The latter half will witness sustained expansion defined by broadening acceptance of home infusion services and integration of personalized dosing algorithms across mainstream anemia management programs. Market momentum will intensify as healthcare providers and payers increasingly prioritize evidence-based iron replacement that delivers hemoglobin response optimization, transfusion avoidance advantages, and healthcare cost reduction across diverse patient populations and disease-related anemia conditions.
Where revenue comes from - Now Vs Next (industry-level view)
| Period | Primary Revenue Buckets | Share | Notes |
|---|---|---|---|
| Today | Ferric Carboxymaltose | 50.3% | High-dose delivery dominance |
| Chronic Kidney Disease | 33.1% | Primary application segment | |
| Cancer | 27.8% | Chemotherapy-induced anemia | |
| Iron Sucrose | 23.4% | Established dialysis standard | |
| Inflammatory Bowel Disease | 20.6% | Malabsorption management | |
| Future (3-5 yrs) | Novel Iron Complexes | 35-41% | Enhanced safety profiles |
| Home Infusion Services | 28-34% | Outpatient convenience | |
| Ferric Derisomaltose | 32-38% | Single-dose platforms | |
| Pregnancy-Related Anemia | 25-31% | Women's health expansion | |
| Heart Failure Indications | 22-28% | Cardiology integration | |
| Biosimilar Iron Products | 18-24% | Cost-competitive alternatives | |
| Digital Dose Calculators | 20-26% | Precision dosing tools |
Intravenous Iron Drugs Market Key Takeaways
At-a-Glance Metrics
| Metric | Value |
|---|---|
| Market Value (2025) → | USD 3.6 billion |
| Market Forecast (2035) ↑ | USD 9.0 billion |
| Growth Rate ★ | 9.6% CAGR |
| Leading Product → | Ferric Carboxymaltose |
| Primary Application → | Chronic Kidney Disease |
The market demonstrates exceptional fundamentals with ferric carboxymaltose capturing a commanding 50.3% share through high-dose administration characteristics, rapid iron delivery capabilities, and established safety profiles across intravenous iron applications.
Chronic kidney disease applications drive primary utilization at 33.1% share, supported by established nephrology treatment protocols and erythropoiesis support requirements that maintain physician prescribing patterns across dialysis and non-dialysis patient populations.
Geographic concentration remains anchored in Asia Pacific and North America with emerging market leadership through anemia burden expansion and infusion infrastructure development, while developed markets show accelerated adoption rates driven by specialty guidelines and outpatient infusion center growth.
Imperatives for Stakeholders in Intravenous Iron Drugs Market
Design for safety and convenience, not just iron delivery
- Offer complete iron replacement solutions: advanced formulation technologies + infusion protocol guidance + hypersensitivity management systems + dosing calculator tools + patient education materials.
- Preconfigured treatment protocols: high-dose single infusions, maintenance dosing regimens, rapid administration schedules, and disease-specific iron replacement programs for diverse clinical requirements.
Regulatory readiness for specialty injectable applications
- Comprehensive safety trial documentation, pharmacovigilance systems, and supply chain quality assurance (sterility validation, particulate testing, stability protocols).
Accessibility-by-design approach
- Cost-optimized formulation portfolios, reimbursement support services, patient assistance programs, and transparent total treatment cost documentation.
Healthcare professional training-focused market penetration
- Established infusion nurse education programs + comprehensive administration protocols (test dose requirements, hypersensitivity management, adverse event recognition); direct physician engagement for relationship development and prescribing confidence building.
Segmental Analysis
The market segments by product into ferric carboxymaltose, iron sucrose, iron dextran, and others including ferumoxytol, sodium ferric gluconate, ferric derisomaltose, diafer, and triferic, representing the evolution from basic iron salt formulations toward sophisticated iron carbohydrate complexes with enhanced safety characteristics, rapid administration capabilities, and minimal hypersensitivity potential.
The application segmentation divides the market into chronic kidney disease (33.1%), cancer, inflammatory bowel disease, and other diseases including women's health, celiac disease, and chronic heart failure, reflecting distinct iron deficiency etiologies for dialysis-associated losses and erythropoietin support versus chemotherapy-induced anemia and malabsorption-related deficiencies.
The segmentation structure reveals intravenous iron drug evolution from basic parenteral iron supplementation toward comprehensive anemia management platforms with enhanced dosing flexibility and disease-state optimization capabilities, while application diversity spans from nephrology-focused treatments to emerging cardiology and women's health indications requiring specialized administration approaches.
What Makes Ferric Carboxymaltose Command the Largest Share in the Intravenous Iron Drugs Market?

Ferric carboxymaltose commands the leading position in the intravenous iron drugs market with a 50.3% market share through high-dose administration characteristics, including 750-1000 mg single-dose capability, rapid infusion protocols, and test dose elimination that enables physicians to achieve rapid iron repletion across varied iron deficiency etiologies and diverse patient populations.
The segment benefits from convenience advantages through 15-minute infusion times, established safety documentation without test dose requirements, and proven efficacy across multiple indications including non-dialysis CKD, postpartum anemia, and inflammatory bowel disease. Advanced formulation technology enables stable iron-carbohydrate complex formation, controlled iron release kinetics, and minimal free iron generation, where rapid administration and hypersensitivity minimization represent critical clinical requirements.
Single high-dose administration holds significant adoption within the product segment, appealing to physicians seeking treatment completion in single infusion visit for patient convenience optimization. Ferric carboxymaltose products differentiate through proven rapid administration safety, physician preference advantages, and integration with established outpatient infusion protocols that enhance prescribing confidence while maintaining patient satisfaction for diverse iron deficiency treatment applications.
Key market characteristics:
- Advanced complex stability with optimized carbohydrate shell design and controlled iron release for safety maximization
- Superior dosing flexibility, enabling cumulative doses up to 1500-2000 mg administered over one or two infusions
- Comprehensive clinical evidence, including randomized controlled trials, real-world studies, and safety documentation across multiple indications for broad regulatory approvals
Why Does Iron Sucrose Represent Established Dialysis Standard Formulations?
Iron sucrose maintains specialized market position at 23.4% share through established hemodialysis utilization and proven safety record characteristics. These products appeal to nephrologists managing dialysis-dependent patients requiring maintenance iron therapy, offering predictable safety profiles with small frequent dosing capability and extensive clinical experience documentation. Market adoption is driven by dialysis center integration, emphasizing routine iron supplementation and erythropoietin optimization through established maintenance protocols familiar to nephrology nursing staff.
How does Chronic Kidney Disease Dominance Shape Application Preferences in Intravenous Iron Drugs?

Chronic kidney disease applications demonstrate utilization leadership in the intravenous iron drugs market with a 33.1% share due to fundamental iron deficiency prevalence in CKD populations and established focus on erythropoiesis support, anemia management optimization, and transfusion avoidance that maximizes hemoglobin maintenance while reducing cardiovascular complications.
Nephrologists prioritize CKD iron replacement for dialysis-associated losses, erythropoietin resistance reduction, and integration with established anemia management guidelines that enable coordinated renal care across dialysis and pre-dialysis populations. The segment benefits from substantial clinical guideline support and reimbursement infrastructure that emphasizes intravenous iron-based approaches for CKD-related anemia across diverse nephrology care settings. Non-dialysis CKD captures significant prescribing growth within the application segment, demonstrating specialist preference for early intervention outcomes before dialysis initiation.
Value-based nephrology programs incorporate iron optimization as quality metric strategies for anemia management improvement, while erythropoietin-sparing initiatives increase demand for adequate iron stores that meet hemoglobin targets and reduce expensive erythropoiesis-stimulating agent utilization for comprehensive cost-effective CKD care outcomes.
What drives Cancer Application Adoption in Chemotherapy-Induced Anemia Management?
Cancer applications capture substantial share at 27.8% through comprehensive requirements in chemotherapy-induced anemia management, cancer-related fatigue reduction, and quality of life preservation during oncology treatment.
These applications demand effective iron replacement capable of supporting erythropoiesis while managing functional iron deficiency and inflammation-related hepcidin elevation, appealing to oncologists seeking evidence-based supportive care advantages beyond erythropoiesis-stimulating agent monotherapy in anemic cancer populations.
What Establishes Inflammatory Bowel Disease's Significant Application Position in Intravenous Iron Drugs?
Inflammatory bowel disease establishes significant application positioning in the intravenous iron drug sector with notable 20.6% share due to comprehensive malabsorption challenges and sustained focus on oral iron intolerance management, gastrointestinal symptom avoidance, and rapid iron repletion that maximizes treatment adherence while maintaining disease activity control standards.
Gastroenterologists prioritize intravenous iron for Crohn's disease and ulcerative colitis patients experiencing oral iron intolerance, active disease flares limiting oral absorption, and chronic blood loss requiring effective iron replacement. The sector benefits from substantial clinical guideline endorsement and IBD specialty care integration that emphasizes parenteral iron-based delivery for inflammatory bowel disease-associated anemia management.
IBD center of excellence programs incorporate intravenous iron protocols as standard anemia management strategies for symptom optimization, while mucosal healing emphasis increases recognition of adequate iron stores importance that meets hemoglobin targets without exacerbating gastrointestinal inflammation for comprehensive IBD care coordination.
Application dynamics include:
- Strong growth in women's health applications requiring pregnancy and postpartum iron replacement with safety-validated formulations
- Increasing adoption in celiac disease management for malabsorption-related iron deficiency with oral therapy failure
- Rising integration with chronic heart failure protocols for functional iron deficiency recognition and cardiac outcome improvement
How Are Other Disease Applications Advancing Emerging Indication Requirements?
Other disease applications capture substantial share at 18.5% through established women's health frameworks including pregnancy-related anemia, celiac disease malabsorption patterns, and chronic heart failure iron deficiency recognition.
The segment demonstrates growing clinical evidence across diverse conditions, with cardiac function improvement and maternal-fetal outcome optimization gaining traction in specialty care programs while safety profile validation drives continued indication expansion requiring careful benefit-risk assessment in vulnerable patient populations.
What are the Drivers, Restraints, and Key Trends of the Intravenous Iron Drugs Market?
| Category | Factor | Impact | Why It Matters |
|---|---|---|---|
| Driver | Rising prevalence of chronic diseases & iron deficiency anemia (CKD, cancer, IBD burden) | ★★★★★ | Chronic disease expansion enables intravenous iron demand for anemia management interventions; increasing disease complexity drives parenteral iron adoption across nephrology, oncology, and gastroenterology segments. |
| Driver | Growth in outpatient infusion centers & specialized administration facilities (infrastructure expansion, reimbursement coverage) | ★★★★★ | Drives demand for convenient iron replacement systems and rapid administration protocols; facilities implementing infusion services gain competitive advantage in specialty medication delivery markets. |
| Driver | Expansion of clinical guidelines & iron deficiency recognition (anemia screening, treatment protocols) | ★★★★☆ | Physicians demand evidence-based iron replacement and standardized treatment approaches; guideline positioning expanding addressable segments beyond dialysis populations and traditional nephrology applications. |
| Restraint | Hypersensitivity reactions & safety concerns (anaphylaxis risk, administration monitoring) | ★★★★☆ | Patients face adverse event potential and administration anxiety; increases clinical monitoring requirements and affects adoption in outpatient settings and resource-limited facilities. |
| Restraint | High medication costs & reimbursement challenges (specialty drug pricing, coverage limitations) | ★★★★☆ | Cost-conscious healthcare systems face budget constraints and formulary restrictions, limiting utilization and affecting optimal therapy adoption in cost-sensitive markets and underinsured populations. |
| Trend | Novel iron formulations & extended-release technologies (ferric derisomaltose, single-dose platforms) | ★★★★★ | Growing physician expectation for convenient high-dose formulations and improved safety profiles beyond traditional multi-dose iron sucrose; advanced formulations become core differentiation strategy for market leadership. |
| Trend | Home infusion services & outpatient administration models (convenience emphasis, care decentralization) | ★★★★☆ | Iron replacement evolving beyond hospital-based delivery toward patient-convenient infusion protocols; home services drive enhanced access and patient satisfaction in sophisticated healthcare delivery environments. |
Analysis of the Intravenous Iron Drugs Market by Key Countries
The intravenous iron drugs market demonstrates robust regional growth dynamics with emerging leaders including China (11.2% CAGR) and India (10.7% CAGR) driving expansion through anemia burden recognition and infusion infrastructure development. Strong Performers encompass Brazil (10.1% CAGR), USA (9.6% CAGR), and Germany (8.9% CAGR), benefiting from established specialty care infrastructure and comprehensive anemia management programs. Developed Markets feature Japan (8.3% CAGR) and Saudi Arabia (7.8% CAGR), where aging populations and specialty care investments support consistent prescription growth patterns.
Regional synthesis reveals Asian markets leading expansion through comprehensive anemia prevalence positioning and healthcare infrastructure modernization, while Western countries demonstrate measured development potential supported by guideline implementation and outpatient infusion service growth. Middle Eastern markets show solid progress driven by government healthcare investments and oncology program establishment.

| Region/Country | 2025 to 2035 Growth | How to win | What to watch out |
|---|---|---|---|
| China | 11.2% | Focus on hospital partnership programs | Pricing pressures; local competition |
| India | 10.7% | Lead with affordable formulation options | Infrastructure gaps; reimbursement limitations |
| Brazil | 10.1% | Push women's health applications | Economic volatility; import dependencies |
| usa | 9.6% | Provide oncology-focused solutions | Patent expirations; biosimilar competition |
| Germany | 8.9% | Offer pregnancy safety documentation | Generic competition; cost containment |
| Japan | 8.3% | Deliver geriatric-appropriate formulations | Aging demographics; pricing controls |
| Saudi Arabia | 7.8% | Maintain government program integration | Small market size; regional dynamics |
China Drives Fastest Market Growth
China establishes fastest market growth through progressive anemia prevalence recognition and comprehensive healthcare infrastructure expansion, positioning intravenous iron drug technologies as essential therapeutic interventions in tertiary hospitals and emerging infusion centers. The country's 11.2% growth rate reflects high anemia prevalence supporting treatment demand growth and rapid regulatory approval processes that encourage the deployment of novel iron formulations in diverse clinical settings. Growth concentrates in major urban regions, including Beijing, Shanghai, and Guangzhou, where hospitals showcase increasing infusion capacity that appeals to quality-conscious patients demanding effective iron replacement and specialist care access.
Chinese healthcare providers are developing standardized iron administration protocols that combine international formulation technologies with domestic manufacturing partnerships, including infusion center infrastructure expansion and nursing staff training program growth. Distribution infrastructure through hospital pharmacies and specialty distributors expands medication availability, while clinical education initiatives support adoption across diverse physician specialties and nephrology practice settings.
India Emerges as Anemia Burden Leader
In Mumbai, Delhi, and Bangalore regions, hospitals and specialty clinics are adopting intravenous iron drug technologies as essential anemia management tools for chronic disease populations, driven by large untreated anemia base and improving infusion infrastructure access that emphasizes the importance of effective iron replacement interventions. The market holds a 10.7% growth rate, supported by government anemia control programs and specialty care expansion initiatives that promote parenteral iron adoption for severe iron deficiency applications. Indian physicians are favoring cost-effective formulations that provide adequate safety profiles and efficacy documentation, particularly appealing in high-volume markets where affordability and treatment completion represent critical healthcare priorities.
Market expansion benefits from substantial hospital investment and specialty care training program establishment that enable widespread adoption of evidence-based iron replacement protocols for diverse patient populations and disease management applications. Industry adoption follows patterns established in specialty medication success, where clinical evidence advantages and physician education drive prescribing preference and hospital formulary inclusion.
Brazil Shows Women's Health Integration Leadership
Brazil establishes women's health integration leadership through comprehensive maternal care programs and established obstetric anemia recognition, integrating intravenous iron drug technologies across public hospitals, private maternity centers, and specialty women's health facilities. The country's 10.1% growth rate reflects strong adoption in pregnancy-related anemia and rising CKD burden that support widespread deployment of parenteral iron products in obstetric and nephrology applications. Growth concentrates in major healthcare regions, including São Paulo, Rio de Janeiro, and Brasília, where providers showcase maternal-fetal medicine integration that appeals to quality-focused institutions seeking pregnancy-safe formulations and comprehensive anemia management.
Brazilian healthcare providers leverage established obstetric care frameworks and comprehensive maternal health protocols, including anemia screening programs and iron replacement guidelines that create treatment standardization and outcome optimization. The market benefits from government maternal health investments and public hospital formulary inclusion that encourage parenteral iron adoption while supporting maternal mortality reduction programs.
USA Shows Oncology-Driven Demand Leadership

USA establishes oncology-driven demand leadership through comprehensive cancer supportive care infrastructure and established chemotherapy-induced anemia management ecosystem, integrating intravenous iron drug technologies across infusion centers, oncology practices, and hospital cancer programs. The country's 9.6% growth rate reflects strong oncology utilization patterns and sophisticated specialty pharmacy system maturity that support widespread deployment of parenteral iron agents in cancer-related anemia applications. Growth concentrates in established cancer care markets with comprehensive infusion center networks, where oncologists showcase supportive care protocol integration that appeals to quality-focused cancer programs seeking anemia management optimization and transfusion reduction.
American oncologists leverage established pharmaceutical manufacturer relationships and comprehensive patient support frameworks, including specialty pharmacy coordination and reimbursement assistance programs that create prescribing efficiency and patient access optimization. The market benefits from substantial clinical research investments and oncology guideline development that encourage evidence-based iron replacement while supporting quality of life outcome improvements.
Germany Shows Pregnancy Anemia Management Excellence
Germany's advanced healthcare market demonstrates sophisticated intravenous iron drug integration with documented quality emphasis in pregnancy anemia management and maternal care optimization through specialized obstetric practices and established anemia screening networks. The country leverages comprehensive prenatal care frameworks and evidence-based medicine approaches to maintain an 8.9% growth rate. Premium obstetric centers, including university hospitals and certified birthing facilities, showcase safety-focused priorities where intravenous iron drug technologies integrate with established maternal health protocols and thorough monitoring practices to optimize maternal outcomes and ensure fetal safety under strict pregnancy medication standards.
German obstetricians prioritize safety validation requirements and comprehensive pregnancy-specific documentation in iron formulation selection processes, creating demand for extensively-studied medications with proven characteristics, including pregnancy safety data, fetal outcome assessments, and regulatory approval certifications. The market benefits from established maternal care quality standards and evidence-based prescribing culture that provide safety positioning opportunities and compliance with strict German pregnancy medication regulations.
Japan Shows Aging Population Focus

Japan's sophisticated healthcare market demonstrates established intravenous iron drug utilization with documented quality emphasis in geriatric anemia management and chronic disease care through comprehensive hospital networks and specialty clinic integration. The country maintains an 8.3% growth rate, leveraging aging population demographics and increasing iron deficiency anemia burden in elderly populations. Metropolitan healthcare regions, including Tokyo, Osaka, and Nagoya areas, showcase geriatric care priorities where intravenous iron drug technologies integrate with established chronic disease management and comprehensive anemia screening to optimize hemoglobin maintenance and prevent functional decline under universal healthcare coverage.
Japanese physicians prioritize gentle administration approaches and comprehensive safety monitoring in elderly patient management, creating demand for well-tolerated formulations with predictable safety profiles, including established clinical experience and comprehensive adverse event documentation. The market benefits from established geriatric medicine specialty and preventive care culture that provide early detection advantages and support comprehensive elderly care program implementation.
Saudi Arabia Shows Government Program Integration
Saudi Arabia's emerging healthcare market demonstrates strategic intravenous iron drug adoption with documented focus in government healthcare programs and specialty care development through comprehensive hospital systems and oncology center establishment. The country maintains a 7.8% growth rate, leveraging government oncology program investments and specialty medication formulary expansion in public healthcare facilities. Metropolitan healthcare centers, including Riyadh, Jeddah, and Dammam regions, showcase government program priorities where intravenous iron drug technologies integrate with established oncology departments and comprehensive cancer care protocols to optimize supportive care delivery and maintain treatment quality under modern healthcare system development.
Saudi physicians prioritize international guideline adherence and government formulary-approved medications in cancer care approaches, creating demand for evidence-based formulations with comprehensive clinical documentation, including international approval status and oncology society recommendation support. The market benefits from established healthcare investment programs and cancer care modernization initiatives that provide specialty medication access advantages and support Middle Eastern oncology development programs.
Europe Market Split by Country

The European intravenous iron drugs market is projected to grow from USD 0.9 billion in 2025 to USD 2.1 billion by 2035, representing 24.7% of the global market in 2025 and maintaining approximately 23.4% by 2035. Germany is expected to maintain its leadership position with USD 0.2 billion in 2025, accounting for 26.8% of the European market, supported by its advanced obstetric care infrastructure and established anemia management networks.
France follows with USD 0.2 billion, representing 18.9% of the European market in 2025, driven by comprehensive nephrology care integration and infusion center development. UK holds USD 0.2 billion with 17.3% market share through established NHS anemia protocols and specialty medication formularies.
Italy commands USD 0.1 billion representing 14.2% share, while Spain accounts for USD 0.1 billion or 11.6% in 2025. The rest of Europe region maintains USD 0.1 billion, representing 11.2% of the European market, attributed to increasing intravenous iron adoption in Nordic countries and emerging Eastern European hospital sectors implementing anemia management programs.
Competitive Landscape of the Intravenous Iron Drugs Market

The intravenous iron drugs market exhibits a moderately consolidated competitive structure with approximately 20-35 active players operating across global pharmaceutical manufacturing networks and regional specialty injectable portfolios. Sanofi S.A. maintains market leadership at a 14.6% share, reflecting strong product portfolio positioning across diverse iron formulations with sophisticated global commercialization strategies.
This competitive landscape demonstrates the maturation of parenteral iron technology, where established players leverage formulation expertise advantages, extensive safety documentation, and specialty pharmacy relationships to maintain dominant positions, while emerging biosimilar developers and novel complex manufacturers create differentiation opportunities through cost-competitive platforms and enhanced administration convenience features.
Market leadership is maintained through several critical competitive advantages extending beyond drug manufacturing capabilities and product portfolios. Global commercialization networks enable leading players to navigate diverse regulatory requirements and access varied healthcare settings including dialysis centers, infusion facilities, and hospital pharmacies.
Medical affairs infrastructure and key opinion leader engagement program availability represent crucial differentiators in intravenous iron drug categories, where decades of clinical research expertise, safety study documentation, and physician relationship frameworks create prescribing preference among evidence-focused nephrologists and hematologists.
Manufacturing efficiency in sterile injectable production facilities, supply chain cold chain management where required, and quality control capabilities separate major pharmaceutical companies from smaller competitors, while comprehensive pharmacovigilance programs addressing hypersensitivity monitoring, adverse event tracking, and risk management strengthen market position and regulatory compliance.
The market demonstrates emerging differentiation opportunities in novel iron complex categories and single-dose formulation technologies, where traditional multi-dose iron sucrose products face competition from convenience-focused entrants offering high-dose administration advantages.
Significant competitive advantages persist in established dialysis-focused categories through comprehensive safety experience portfolios and nephrology community familiarity depth. Premium positioning strategies with advanced carbohydrate complex technologies and rapid administration capabilities command margin premiums through superior convenience profiles and reduced administration burden.
Comprehensive iron replacement portfolios combining multiple formulation strengths with disease-specific dosing protocols create integrated positioning that justifies higher price points beyond single-product competition. Complete infusion solution offerings emphasizing nurse training programs, administration support services, and hypersensitivity management protocols generate institutional loyalty and formulary preferences beyond transactional medication procurement.
| Stakeholder | What they actually control | Typical strengths | Typical blind spots |
|---|---|---|---|
| Global pharmaceutical corporations | Comprehensive product portfolios; global manufacturing; regulatory expertise; commercial infrastructure | Brand recognition; safety documentation; physician relationships; reimbursement navigation | Innovation speed; niche formulations; pricing flexibility; regional customization |
| Specialty injectable manufacturers | Formulation technology; complex chemistry; sterile production; quality systems | Technical sophistication; manufacturing excellence; regulatory compliance; stability expertise | Market access; physician relationships; commercial scale; distribution breadth |
| Biosimilar developers | Cost-competitive production; regulatory pathways; manufacturing capabilities; pricing strategies | Affordability positioning; market penetration; volume economics; access expansion | Innovation capabilities; safety databases; physician trust; brand recognition |
| Dialysis service providers | Patient access; administration infrastructure; utilization influence; outcomes data | Volume control; patient intimacy; treatment integration; quality metrics | Product development; pricing leverage; innovation; regulatory expertise |
| Infusion center networks | Outpatient access; convenience positioning; patient experience; administration expertise | Service integration; patient satisfaction; growth markets; specialty focus | Product selection; pricing power; clinical research; formulary influence |
Key Players in the Intravenous Iron Drugs Market
- Sanofi S.A.
- AbbVie Inc.
- Vifor Pharma Ltd. (a CSL company)
- AMAG Pharmaceuticals, Inc. (part of Covis Pharma Group)
- Daiichi Sankyo Company, Limited
- Pharmacosmos A/S
- Zydus Group (Zydus Lifesciences Limited)
- Rockwell Medical, Inc.
- Cadila Pharmaceuticals Ltd.
- Fresenius Kabi AG
Scope of the Report
| Items | Values |
|---|---|
| Quantitative Units (2025) | USD 3.6 billion |
| Product Type | Ferric Carboxymaltose, Iron Sucrose, Iron Dextran, Others (Ferumoxytol, Sodium Ferric Gluconate, Ferric Derisomaltose, Diafer, Triferic) |
| Application | Chronic Kidney Disease, Cancer, Inflammatory Bowel Disease, Other Diseases (Women's Health, Celiac Disease, Chronic Heart Failure) |
| Regions Covered | North America, Europe, Asia Pacific, Latin America, mea |
| Countries Covered | China, India, Brazil, USA, Germany, Japan, Saudi Arabia, and 15+ additional countries |
| Key Companies Profiled | Sanofi, AbbVie Inc., Vifor Pharma, AMAG Pharmaceuticals, Daiichi Sankyo Co., Pharmacosmos A/S, Zydus Group, Rockwell Medical, Inc. |
| Additional Attributes | Dollar sales by product and application categories, regional adoption trends across Asia Pacific, North America, and Europe, competitive landscape with global pharmaceutical corporations and specialty injectable manufacturers, physician preferences for ferric carboxymaltose formulations and safety-validated protocols, integration with nephrology practices and infusion centers, innovations in novel iron complexes and single-dose technologies, and development of comprehensive iron replacement platforms with enhanced safety profiles and integrated administration support systems. |
Intravenous Iron Drugs Market by Segments
-
Product Type :
- Ferric Carboxymaltose (FCM)
- Iron Sucrose
- Iron Dextran
- Others
- Ferumoxytol (Feraheme)
- Sodium Ferric Gluconate (Ferrlecit)
- Ferric Derisomaltose (Monofer)
- Diafer
- Triferic
-
Application :
- Chronic Kidney Disease (CKD)
- Cancer
- Inflammatory Bowel Disease (IBD)
- Other Diseases
- Women's Health (Pregnancy-Related Anemia)
- Celiac Disease
- Chronic Heart Failure
-
Region :
- North America
- usa
- Canada
- Mexico
- Europe
- Germany
- France
- UK
- Italy
- Spain
- Rest of Europe
- Asia Pacific
- China
- India
- Japan
- South Korea
- ASEAN
- Australia & New Zealand
- Rest of Asia Pacific
- Latin America
- Brazil
- Rest of Latin America
- mea
- GCC Countries
- Saudi Arabia
- South Africa
- Rest of mea
- North America
Table of Content
- Executive Summary
- Global Market Outlook
- Demand to side Trends
- Supply to side Trends
- Technology Roadmap Analysis
- Analysis and Recommendations
- Market Overview
- Market Coverage / Taxonomy
- Market Definition / Scope / Limitations
- Market Background
- Market Dynamics
- Drivers
- Restraints
- Opportunity
- Trends
- Scenario Forecast
- Demand in Optimistic Scenario
- Demand in Likely Scenario
- Demand in Conservative Scenario
- Opportunity Map Analysis
- Product Life Cycle Analysis
- Supply Chain Analysis
- Investment Feasibility Matrix
- Value Chain Analysis
- PESTLE and Porter’s Analysis
- Regulatory Landscape
- Regional Parent Market Outlook
- Production and Consumption Statistics
- Import and Export Statistics
- Market Dynamics
- Global Market Analysis 2020 to 2024 and Forecast, 2025 to 2035
- Historical Market Size Value (USD Million) Analysis, 2020 to 2024
- Current and Future Market Size Value (USD Million) Projections, 2025 to 2035
- Y to o to Y Growth Trend Analysis
- Absolute $ Opportunity Analysis
- Global Market Pricing Analysis 2020 to 2024 and Forecast 2025 to 2035
- Global Market Analysis 2020 to 2024 and Forecast 2025 to 2035, By Product Type
- Introduction / Key Findings
- Historical Market Size Value (USD Million) Analysis By Product Type , 2020 to 2024
- Current and Future Market Size Value (USD Million) Analysis and Forecast By Product Type , 2025 to 2035
- Ferric Carboxymaltose (FCM)
- Iron Sucrose
- Iron Dextran
- Others
- Y to o to Y Growth Trend Analysis By Product Type , 2020 to 2024
- Absolute $ Opportunity Analysis By Product Type , 2025 to 2035
- Global Market Analysis 2020 to 2024 and Forecast 2025 to 2035, By Application
- Introduction / Key Findings
- Historical Market Size Value (USD Million) Analysis By Application, 2020 to 2024
- Current and Future Market Size Value (USD Million) Analysis and Forecast By Application, 2025 to 2035
- Chronic Kidney Disease (CKD)
- Cancer
- Inflammatory Bowel Disease (IBD)
- Other Diseases
- Y to o to Y Growth Trend Analysis By Application, 2020 to 2024
- Absolute $ Opportunity Analysis By Application, 2025 to 2035
- Global Market Analysis 2020 to 2024 and Forecast 2025 to 2035, By Region
- Introduction
- Historical Market Size Value (USD Million) Analysis By Region, 2020 to 2024
- Current Market Size Value (USD Million) Analysis and Forecast By Region, 2025 to 2035
- North America
- Latin America
- Western Europe
- Eastern Europe
- East Asia
- South Asia and Pacific
- Middle East & Africa
- Market Attractiveness Analysis By Region
- North America Market Analysis 2020 to 2024 and Forecast 2025 to 2035, By Country
- Historical Market Size Value (USD Million) Trend Analysis By Market Taxonomy, 2020 to 2024
- Market Size Value (USD Million) Forecast By Market Taxonomy, 2025 to 2035
- By Country
- USA
- Canada
- Mexico
- By Product Type
- By Application
- By Country
- Market Attractiveness Analysis
- By Country
- By Product Type
- By Application
- Key Takeaways
- Latin America Market Analysis 2020 to 2024 and Forecast 2025 to 2035, By Country
- Historical Market Size Value (USD Million) Trend Analysis By Market Taxonomy, 2020 to 2024
- Market Size Value (USD Million) Forecast By Market Taxonomy, 2025 to 2035
- By Country
- Brazil
- Chile
- Rest of Latin America
- By Product Type
- By Application
- By Country
- Market Attractiveness Analysis
- By Country
- By Product Type
- By Application
- Key Takeaways
- Western Europe Market Analysis 2020 to 2024 and Forecast 2025 to 2035, By Country
- Historical Market Size Value (USD Million) Trend Analysis By Market Taxonomy, 2020 to 2024
- Market Size Value (USD Million) Forecast By Market Taxonomy, 2025 to 2035
- By Country
- Germany
- UK
- Italy
- Spain
- France
- Nordic
- BENELUX
- Rest of Western Europe
- By Product Type
- By Application
- By Country
- Market Attractiveness Analysis
- By Country
- By Product Type
- By Application
- Key Takeaways
- Eastern Europe Market Analysis 2020 to 2024 and Forecast 2025 to 2035, By Country
- Historical Market Size Value (USD Million) Trend Analysis By Market Taxonomy, 2020 to 2024
- Market Size Value (USD Million) Forecast By Market Taxonomy, 2025 to 2035
- By Country
- Russia
- Poland
- Hungary
- Balkan & Baltic
- Rest of Eastern Europe
- By Product Type
- By Application
- By Country
- Market Attractiveness Analysis
- By Country
- By Product Type
- By Application
- Key Takeaways
- East Asia Market Analysis 2020 to 2024 and Forecast 2025 to 2035, By Country
- Historical Market Size Value (USD Million) Trend Analysis By Market Taxonomy, 2020 to 2024
- Market Size Value (USD Million) Forecast By Market Taxonomy, 2025 to 2035
- By Country
- China
- Japan
- South Korea
- By Product Type
- By Application
- By Country
- Market Attractiveness Analysis
- By Country
- By Product Type
- By Application
- Key Takeaways
- South Asia and Pacific Market Analysis 2020 to 2024 and Forecast 2025 to 2035, By Country
- Historical Market Size Value (USD Million) Trend Analysis By Market Taxonomy, 2020 to 2024
- Market Size Value (USD Million) Forecast By Market Taxonomy, 2025 to 2035
- By Country
- India
- ASEAN
- Australia & New Zealand
- Rest of South Asia and Pacific
- By Product Type
- By Application
- By Country
- Market Attractiveness Analysis
- By Country
- By Product Type
- By Application
- Key Takeaways
- Middle East & Africa Market Analysis 2020 to 2024 and Forecast 2025 to 2035, By Country
- Historical Market Size Value (USD Million) Trend Analysis By Market Taxonomy, 2020 to 2024
- Market Size Value (USD Million) Forecast By Market Taxonomy, 2025 to 2035
- By Country
- Kingdom of Saudi Arabia
- Other GCC Countries
- Turkiye
- South Africa
- Other African Union
- Rest of Middle East & Africa
- By Product Type
- By Application
- By Country
- Market Attractiveness Analysis
- By Country
- By Product Type
- By Application
- Key Takeaways
- Key Countries Market Analysis
- USA
- Pricing Analysis
- Market Share Analysis, 2024
- By Product Type
- By Application
- Canada
- Pricing Analysis
- Market Share Analysis, 2024
- By Product Type
- By Application
- Mexico
- Pricing Analysis
- Market Share Analysis, 2024
- By Product Type
- By Application
- Brazil
- Pricing Analysis
- Market Share Analysis, 2024
- By Product Type
- By Application
- Chile
- Pricing Analysis
- Market Share Analysis, 2024
- By Product Type
- By Application
- Germany
- Pricing Analysis
- Market Share Analysis, 2024
- By Product Type
- By Application
- UK
- Pricing Analysis
- Market Share Analysis, 2024
- By Product Type
- By Application
- Italy
- Pricing Analysis
- Market Share Analysis, 2024
- By Product Type
- By Application
- Spain
- Pricing Analysis
- Market Share Analysis, 2024
- By Product Type
- By Application
- France
- Pricing Analysis
- Market Share Analysis, 2024
- By Product Type
- By Application
- India
- Pricing Analysis
- Market Share Analysis, 2024
- By Product Type
- By Application
- ASEAN
- Pricing Analysis
- Market Share Analysis, 2024
- By Product Type
- By Application
- Australia & New Zealand
- Pricing Analysis
- Market Share Analysis, 2024
- By Product Type
- By Application
- China
- Pricing Analysis
- Market Share Analysis, 2024
- By Product Type
- By Application
- Japan
- Pricing Analysis
- Market Share Analysis, 2024
- By Product Type
- By Application
- South Korea
- Pricing Analysis
- Market Share Analysis, 2024
- By Product Type
- By Application
- Russia
- Pricing Analysis
- Market Share Analysis, 2024
- By Product Type
- By Application
- Poland
- Pricing Analysis
- Market Share Analysis, 2024
- By Product Type
- By Application
- Hungary
- Pricing Analysis
- Market Share Analysis, 2024
- By Product Type
- By Application
- Kingdom of Saudi Arabia
- Pricing Analysis
- Market Share Analysis, 2024
- By Product Type
- By Application
- Turkiye
- Pricing Analysis
- Market Share Analysis, 2024
- By Product Type
- By Application
- South Africa
- Pricing Analysis
- Market Share Analysis, 2024
- By Product Type
- By Application
- USA
- Market Structure Analysis
- Competition Dashboard
- Competition Benchmarking
- Market Share Analysis of Top Players
- By Regional
- By Product Type
- By Application
- Competition Analysis
- Competition Deep Dive
- Sanofi S.A.
- Overview
- Product Portfolio
- Profitability by Market Segments (Product/Age /Sales Channel/Region)
- Sales Footprint
- Strategy Overview
- Marketing Strategy
- Product Strategy
- Channel Strategy
- AbbVie Inc.
- Vifor Pharma Ltd. (a CSL company)
- AMAG Pharmaceuticals, Inc. (part of Covis Pharma Group)
- Daiichi Sankyo Company, Limited
- Pharmacosmos A/S
- Zydus Group (Zydus Lifesciences Limited)
- Rockwell Medical, Inc.
- Cadila Pharmaceuticals Ltd.
- Fresenius Kabi AG
- Sanofi S.A.
- Competition Deep Dive
- Assumptions & Acronyms Used
- Research Methodology
List Of Table
- Table 1: Global Market Value (USD Million) Forecast by Region, 2020 to 2035
- Table 2: Global Market Value (USD Million) Forecast by Product Type, 2020 to 2035
- Table 3: Global Market Value (USD Million) Forecast by Application, 2020 to 2035
- Table 4: North America Market Value (USD Million) Forecast by Country, 2020 to 2035
- Table 5: North America Market Value (USD Million) Forecast by Product Type, 2020 to 2035
- Table 6: North America Market Value (USD Million) Forecast by Application, 2020 to 2035
- Table 7: Latin America Market Value (USD Million) Forecast by Country, 2020 to 2035
- Table 8: Latin America Market Value (USD Million) Forecast by Product Type, 2020 to 2035
- Table 9: Latin America Market Value (USD Million) Forecast by Application, 2020 to 2035
- Table 10: Western Europe Market Value (USD Million) Forecast by Country, 2020 to 2035
- Table 11: Western Europe Market Value (USD Million) Forecast by Product Type, 2020 to 2035
- Table 12: Western Europe Market Value (USD Million) Forecast by Application, 2020 to 2035
- Table 13: Eastern Europe Market Value (USD Million) Forecast by Country, 2020 to 2035
- Table 14: Eastern Europe Market Value (USD Million) Forecast by Product Type, 2020 to 2035
- Table 15: Eastern Europe Market Value (USD Million) Forecast by Application, 2020 to 2035
- Table 16: East Asia Market Value (USD Million) Forecast by Country, 2020 to 2035
- Table 17: East Asia Market Value (USD Million) Forecast by Product Type, 2020 to 2035
- Table 18: East Asia Market Value (USD Million) Forecast by Application, 2020 to 2035
- Table 19: South Asia and Pacific Market Value (USD Million) Forecast by Country, 2020 to 2035
- Table 20: South Asia and Pacific Market Value (USD Million) Forecast by Product Type, 2020 to 2035
- Table 21: South Asia and Pacific Market Value (USD Million) Forecast by Application, 2020 to 2035
- Table 22: Middle East & Africa Market Value (USD Million) Forecast by Country, 2020 to 2035
- Table 23: Middle East & Africa Market Value (USD Million) Forecast by Product Type, 2020 to 2035
- Table 24: Middle East & Africa Market Value (USD Million) Forecast by Application, 2020 to 2035
List Of Figures
- Figure 1: Global Market Pricing Analysis
- Figure 2: Global Market Value (USD Million) Forecast 2020 to 2035
- Figure 3: Global Market Value Share and BPS Analysis by Product Type, 2025 and 2035
- Figure 4: Global Market Y to o to Y Growth Comparison by Product Type, 2025 to 2035
- Figure 5: Global Market Attractiveness Analysis by Product Type
- Figure 6: Global Market Value Share and BPS Analysis by Application, 2025 and 2035
- Figure 7: Global Market Y to o to Y Growth Comparison by Application, 2025 to 2035
- Figure 8: Global Market Attractiveness Analysis by Application
- Figure 9: Global Market Value (USD Million) Share and BPS Analysis by Region, 2025 and 2035
- Figure 10: Global Market Y to o to Y Growth Comparison by Region, 2025 to 2035
- Figure 11: Global Market Attractiveness Analysis by Region
- Figure 12: North America Market Incremental Dollar Opportunity, 2025 to 2035
- Figure 13: Latin America Market Incremental Dollar Opportunity, 2025 to 2035
- Figure 14: Western Europe Market Incremental Dollar Opportunity, 2025 to 2035
- Figure 15: Eastern Europe Market Incremental Dollar Opportunity, 2025 to 2035
- Figure 16: East Asia Market Incremental Dollar Opportunity, 2025 to 2035
- Figure 17: South Asia and Pacific Market Incremental Dollar Opportunity, 2025 to 2035
- Figure 18: Middle East & Africa Market Incremental Dollar Opportunity, 2025 to 2035
- Figure 19: North America Market Value Share and BPS Analysis by Country, 2025 and 2035
- Figure 20: North America Market Value Share and BPS Analysis by Product Type, 2025 and 2035
- Figure 21: North America Market Y to o to Y Growth Comparison by Product Type, 2025 to 2035
- Figure 22: North America Market Attractiveness Analysis by Product Type
- Figure 23: North America Market Value Share and BPS Analysis by Application, 2025 and 2035
- Figure 24: North America Market Y to o to Y Growth Comparison by Application, 2025 to 2035
- Figure 25: North America Market Attractiveness Analysis by Application
- Figure 26: Latin America Market Value Share and BPS Analysis by Country, 2025 and 2035
- Figure 27: Latin America Market Value Share and BPS Analysis by Product Type, 2025 and 2035
- Figure 28: Latin America Market Y to o to Y Growth Comparison by Product Type, 2025 to 2035
- Figure 29: Latin America Market Attractiveness Analysis by Product Type
- Figure 30: Latin America Market Value Share and BPS Analysis by Application, 2025 and 2035
- Figure 31: Latin America Market Y to o to Y Growth Comparison by Application, 2025 to 2035
- Figure 32: Latin America Market Attractiveness Analysis by Application
- Figure 33: Western Europe Market Value Share and BPS Analysis by Country, 2025 and 2035
- Figure 34: Western Europe Market Value Share and BPS Analysis by Product Type, 2025 and 2035
- Figure 35: Western Europe Market Y to o to Y Growth Comparison by Product Type, 2025 to 2035
- Figure 36: Western Europe Market Attractiveness Analysis by Product Type
- Figure 37: Western Europe Market Value Share and BPS Analysis by Application, 2025 and 2035
- Figure 38: Western Europe Market Y to o to Y Growth Comparison by Application, 2025 to 2035
- Figure 39: Western Europe Market Attractiveness Analysis by Application
- Figure 40: Eastern Europe Market Value Share and BPS Analysis by Country, 2025 and 2035
- Figure 41: Eastern Europe Market Value Share and BPS Analysis by Product Type, 2025 and 2035
- Figure 42: Eastern Europe Market Y to o to Y Growth Comparison by Product Type, 2025 to 2035
- Figure 43: Eastern Europe Market Attractiveness Analysis by Product Type
- Figure 44: Eastern Europe Market Value Share and BPS Analysis by Application, 2025 and 2035
- Figure 45: Eastern Europe Market Y to o to Y Growth Comparison by Application, 2025 to 2035
- Figure 46: Eastern Europe Market Attractiveness Analysis by Application
- Figure 47: East Asia Market Value Share and BPS Analysis by Country, 2025 and 2035
- Figure 48: East Asia Market Value Share and BPS Analysis by Product Type, 2025 and 2035
- Figure 49: East Asia Market Y to o to Y Growth Comparison by Product Type, 2025 to 2035
- Figure 50: East Asia Market Attractiveness Analysis by Product Type
- Figure 51: East Asia Market Value Share and BPS Analysis by Application, 2025 and 2035
- Figure 52: East Asia Market Y to o to Y Growth Comparison by Application, 2025 to 2035
- Figure 53: East Asia Market Attractiveness Analysis by Application
- Figure 54: South Asia and Pacific Market Value Share and BPS Analysis by Country, 2025 and 2035
- Figure 55: South Asia and Pacific Market Value Share and BPS Analysis by Product Type, 2025 and 2035
- Figure 56: South Asia and Pacific Market Y to o to Y Growth Comparison by Product Type, 2025 to 2035
- Figure 57: South Asia and Pacific Market Attractiveness Analysis by Product Type
- Figure 58: South Asia and Pacific Market Value Share and BPS Analysis by Application, 2025 and 2035
- Figure 59: South Asia and Pacific Market Y to o to Y Growth Comparison by Application, 2025 to 2035
- Figure 60: South Asia and Pacific Market Attractiveness Analysis by Application
- Figure 61: Middle East & Africa Market Value Share and BPS Analysis by Country, 2025 and 2035
- Figure 62: Middle East & Africa Market Value Share and BPS Analysis by Product Type, 2025 and 2035
- Figure 63: Middle East & Africa Market Y to o to Y Growth Comparison by Product Type, 2025 to 2035
- Figure 64: Middle East & Africa Market Attractiveness Analysis by Product Type
- Figure 65: Middle East & Africa Market Value Share and BPS Analysis by Application, 2025 and 2035
- Figure 66: Middle East & Africa Market Y to o to Y Growth Comparison by Application, 2025 to 2035
- Figure 67: Middle East & Africa Market Attractiveness Analysis by Application
- Figure 68: Global Market - Tier Structure Analysis
- Figure 69: Global Market - Company Share Analysis
- FAQs -
How big is the intravenous iron drugs market in 2025?
The global intravenous iron drugs market is estimated to be valued at USD 3.6 billion in 2025.
What will be the size of intravenous iron drugs market in 2035?
The market size for the intravenous iron drugs market is projected to reach USD 9.0 billion by 2035.
How much will be the intravenous iron drugs market growth between 2025 and 2035?
The intravenous iron drugs market is expected to grow at a 9.6% CAGR between 2025 and 2035.
What are the key product types in the intravenous iron drugs market?
The key product types in intravenous iron drugs market are ferric carboxymaltose (fcm), iron sucrose, iron dextran and others .
Which application segment to contribute significant share in the intravenous iron drugs market in 2025?
In terms of application, chronic kidney disease (ckd) segment to command 33.1% share in the intravenous iron drugs market in 2025.