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Updated: May 10, 2026

09:54
Laboratory Scale Production and Purification of a Therapeutic Antibody
Published on: January 24, 2017
[Immunoglobulin Replacement Therapy in Antibody Production Defects]
Ana Bernardino1, Nuzhat Abdurrachid1, Cláudia Varandas2
1Serviço de Imunoalergologia. Unidade Local de Saúde Santa Maria. Lisboa. Portugal.
Acta Medica Portuguesa
|May 9, 2026
Summary
Immunoglobulin replacement therapy helps patients with inborn errors of immunity by providing passive antibodies to prevent infections. Individualizing the treatment route, like intravenous or subcutaneous immunoglobulin, is key for better adherence and clinical stability.
Area of Science:
- Immunology
- Clinical Medicine
- Pharmacology
Background:
- Inborn errors of immunity (IEI) often impair humoral response, necessitating immunoglobulin replacement therapy (IRT).
- IRT provides passive immunity, crucial for preventing infections and long-term complications in affected individuals.
- Current IRT administration routes include intravenous (IVIG), conventional subcutaneous (SCIG), and facilitated subcutaneous (SCIG-H) using recombinant hyaluronidase.
Purpose of the Study:
- To clarify available immunoglobulin treatment modalities for patients with IEI.
- To provide practical guidance for selecting the optimal IRT administration route.
- To enhance patient adherence and treatment effectiveness, improving clinical stability.
Main Methods:
- Review of current immunoglobulin administration routes: IVIG, SCIG, and SCIG-H.
- Analysis of advantages and limitations associated with each administration route.
- Emphasis on individualized treatment selection involving patient participation and healthcare professional guidance.
Main Results:
- Individualized selection of IRT route is essential for optimal outcomes.
- Patient-centered decision-making, considering route-specific benefits and drawbacks, improves adherence.
- Facilitated subcutaneous immunoglobulin offers an alternative administration option.
Conclusions:
- Optimizing immunoglobulin replacement therapy requires a personalized approach to route selection.
- Active patient involvement and expert guidance are critical for successful IRT.
- Improved adherence and route selection contribute to enhanced clinical stability in patients with IEI.
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