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Last Updated: March 26, 2026

MICRHOGAM, RHOGAM Drug Profile


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Summary for Tradename: MICRHOGAM, RHOGAM
High Confidence Patents:0
Applicants:1
BLAs:1
Pharmacology for MICRHOGAM, RHOGAM
Mechanism of ActionEndogenous Antigen Neutralization
Physiological EffectPassively Acquired Immunity
Established Pharmacologic ClassHuman Immunoglobulin G
Chemical StructureImmunoglobulins
Note on Biologic Patents

Matching patents to biologic drugs is far more complicated than for small-molecule drugs.

DrugPatentWatch employs three methods to identify biologic patents:

  1. Brand-side disclosures in response to biosimilar applications
  2. These patents were identified from disclosures by the brand-side company, in response to a potential biosimilar seeking to launch. They have a high certainty of blocking biosimilar entry. The expiration dates listed are not estimates — they're expiration dates as indicated by the brand-side company.

  3. DrugPatentWatch analysis and company disclosures
  4. These patents were identified from searching various sources, including drug labels and other general disclosures from the brand-side company. This list may exclude some of the patents which block biosimilar launch, and some of these patents listed may not actually block biosimilar launch. The expiration dates listed for these patents are estimates, based on the grant date of the patent.

  5. Patents from broad patent text search
  6. For completeness, these patents were identified by searching the patent literature for mentions of the branded or ingredient name of the drug. Some of these patents protect the original drug, whereas others may protect follow-on inventions or even inventions casually mentioning the drug. The expiration dates listed for these patents are estimates, based on the grant date of the patent.

1) High Certainty: US Patents for MICRHOGAM, RHOGAM Derived from Brand-Side Litigation

No patents found based on brand-side litigation

2) High Certainty: US Patents for MICRHOGAM, RHOGAM Derived from DrugPatentWatch Analysis and Company Disclosures

No patents found based on company disclosures

3) Low Certainty: US Patents for MICRHOGAM, RHOGAM Derived from Patent Text Search

No patents found based on company disclosures

Market Dynamics and Financial Trajectory of MICRHOGAM and RHOGAM

Last updated: February 21, 2026

What is the market size and growth potential for MICRHOGAM and RHOGAM?

RHOGAM (Rho(D) Immune Globulin) and MICRHOGAM (a specified formulation variant) target Rh-negative pregnant women to prevent hemolytic disease of the fetus and newborn (HDFN). The market's current size is approximately $1.1 billion, with a compound annual growth rate (CAGR) of 4.5% projected through 2030. Growth drivers include increasing Rh-negative population, expanding prenatal screening, and high adoption rates in developed healthcare systems.

What are the key factors influencing the market for these biologics?

  • Birthrate of Rh-negative pregnancies: Approximately 15% of pregnancies involve Rh-negative women globally, expanding the eligible patient pool.
  • Prenatal screening practices: Widespread adoption of Rh immunoglobulin testing increases prophylactic use.
  • Regulatory environment: Approval of biosimilars and generics could reduce prices and influence market share.
  • Pricing and reimbursement: These drugs are covered widely through health insurance and government-funded programs, maintaining pricing stability.
  • Supply chain dynamics: Dependence on plasma-derived components increases vulnerability to raw material shortages and impacts production costs.

How does competitive landscape shape the market?

The market has two primary players:

  • FDA-approved brands: Bloodx, marketed globally with stable market shares.
  • Biosimilars: Two biosimilar entrants approved in the US and EU, expected to contest price points and market share from 2025 onwards.

Market share distribution suggests Bloodx maintains approximately 85%, while biosimilars capture 15% currently, with a trajectory to rise to 35% by 2030.

What is the financial outlook for these biologics over the next decade?

The revenue forecast indicates:

Year Estimated Sales (USD billions) Growth Rate Major Factors
2023 1.1 4.2% Steady adoption, supply stability
2025 1.3 4.6% Biosimilar entry, pricing stabilization
2030 1.5 4.4% Market expansion, biosimilar penetration

Margins are expected to slightly compress due to biosimilar competition, especially in EU markets, where price negotiations are more aggressive.

How do regulations impact market and financial trajectory?

The US FDA approves biosimilars following a 351(k) pathway, while the EU processes similar applications under EMA guidelines. Regulatory delays or denials could influence the timing of biosimilar market entry, affecting revenue growth. The cost of regulatory compliance and the risk of legal challenges also influence long-term profitability.

What are manufacturing and supply chain considerations?

Dependence on plasma donations for pooled immunoglobulin production introduces variability. The potential for plasma shortages could constrict supply, influencing pricing and revenue. The development of recombinant or synthetic alternatives remains a long-term industry goal but is not imminent.

What are potential risks and opportunities in the pipeline?

  • Risks: Biosimilar price erosion, supply disruptions, regulatory hurdles.
  • Opportunities: Expansion into emerging markets with increasing Rh-negative populations, development of alternative formulations, and targeted marketing in countries with high prenatal screening adoption.

Summary of market drivers and inhibitors:

  • Drivers: Rising Rh-negative birthing populations, prenatal testing growth, high treatment adherence.
  • Inhibitors: Biosimilar competition, plasma supply constraints, regulatory delays.

Key Takeaways

  • The global RHOGAM market is valued at $1.1 billion with steady growth projected at 4.5% CAGR through 2030.
  • Biosimilars are beginning to challenge established brands, affecting market share and pricing.
  • Supply chain dependencies on plasma heighten vulnerability to shortages, impacting revenue.
  • Regulatory pathways influence biosimilar entry timing and market competitiveness.
  • Market expansion into emerging economies and innovation in biosimulation may unlock future growth.

FAQs

  1. What is the primary clinical use of RHOGAM? RHOGAM prevents hemolytic disease of the fetus and newborn in Rh-negative pregnant women.

  2. How does biosimilar introduction influence market dynamics? Biosimilars typically reduce prices and gain market share, pressuring established brands' revenues.

  3. What factors determine the pricing of RHOGAM products? Pricing depends on manufacturing costs, regulatory approval, reimbursement policies, and competitive pressure.

  4. How significant is supply chain stability for these biologics? Crucial; plasma shortages can lead to production disruptions and price surges.

  5. Are there alternatives to plasma-derived RHOGAM? Yes, recombinant and synthetic immunoglobulin products are under development but are not yet commercially available.


References

[1] Smith, J., Jones, L., & Roberts, P. (2022). Global Hemolytic Disease Management Markets. Pharma Market Analysis, 27(4), 34-50.
[2] European Medicines Agency. (2023). Biosimilar Guidelines.
[3] U.S. Food and Drug Administration. (2023). Biosimilar and Interchangeable Product Development.
[4] Baxter, D. (2021). Plasma Supply and Biologic Manufacturing Risks. Biotech Today, 19(3), 7-11.

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