{"id":15990,"date":"2023-09-17T09:27:25","date_gmt":"2023-09-17T16:27:25","guid":{"rendered":"https:\/\/ameripharmaspe.wpengine.com\/?p=15990"},"modified":"2026-03-19T15:00:45","modified_gmt":"2026-03-19T22:00:45","slug":"gammaplex","status":"publish","type":"post","link":"https:\/\/ameripharmaspecialty.com\/zh\/discontinued\/gammaplex\/","title":{"rendered":"Gammaplex \u662f\u4ec0\u4e48\uff1f\u5b83\u6709\u4ec0\u4e48\u7528\u9014\uff1f"},"content":{"rendered":"\n<p><strong>Quick Summary<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Gammaplex<\/strong> is an intravenous immunoglobulin (IVIG) used to treat <strong>primary immunodeficiency (PIDD)<\/strong> and <strong>immune thrombocytopenic purpura (ITP)<\/strong>.<br><\/li>\n\n\n\n<li>It replaces missing antibodies, reduces infections, and helps raise platelet counts.<br><\/li>\n\n\n\n<li>Available in <strong>5%<\/strong> and <strong>10%<\/strong> concentrations.<br><\/li>\n\n\n\n<li>Generally well-tolerated, but may cause headaches or, rarely, kidney problems, clots, or hemolysis.<br><\/li>\n\n\n\n<li>Infusion time varies based on concentration and patient tolerance.<\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> is a <\/span><span style=\"font-weight: 400;\">highly purified human <\/span><a href=\"https:\/\/ameripharmaspecialty.com\/ivig\/ivig\/\"><span style=\"font-weight: 400;\">intravenous immunoglobulin G (IVIG)<\/span><\/a><span style=\"font-weight: 400;\">. It helps prevent infection in primary immunodeficiency diseases (PIDDs) and bleeding in immune thrombocytopenic purpura (ITP). It is available as an intravenous liquid solution at different concentrations.<\/span><\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/ameripharmaspecialty.com\/zh\/discontinued\/gammaplex\/#What_Is_Gammaplex\" >What Is Gammaplex?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ameripharmaspecialty.com\/zh\/discontinued\/gammaplex\/#Characteristics\" >Characteristics<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ameripharmaspecialty.com\/zh\/discontinued\/gammaplex\/#What_Is_Gammaplex_Used_For\" >What Is Gammaplex Used For?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ameripharmaspecialty.com\/zh\/discontinued\/gammaplex\/#Gammaplex_Mechanism_of_Action\" >Gammaplex Mechanism of Action<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ameripharmaspecialty.com\/zh\/discontinued\/gammaplex\/#Infusion_Rates\" >Infusion Rates<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/ameripharmaspecialty.com\/zh\/discontinued\/gammaplex\/#Gammaplex_Administration\" >Gammaplex Administration<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/ameripharmaspecialty.com\/zh\/discontinued\/gammaplex\/#Gammaplex_Adverse_Reactions\" >Gammaplex Adverse Reactions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/ameripharmaspecialty.com\/zh\/discontinued\/gammaplex\/#Gammaplex_Infusion_Costs\" >Gammaplex Infusion Costs<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/ameripharmaspecialty.com\/zh\/discontinued\/gammaplex\/#Gammaplex_Copay_Assistance_Programs\" >Gammaplex Copay Assistance Programs<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/ameripharmaspecialty.com\/zh\/discontinued\/gammaplex\/#Gammaplex_Manufacturer\" >Gammaplex Manufacturer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/ameripharmaspecialty.com\/zh\/discontinued\/gammaplex\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_Gammaplex\"><\/span><span style=\"font-weight: 400;\">What Is <\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\">?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">Gammaplex infusions<\/span><span style=\"font-weight: 400;\"> use plasma from paid, healthy US subjects. The manufacturers use plasmas of approximately 3,000 to 10,000 donors to obtain human immunoglobulin derivatives [1].<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">This infusion is available in two concentrations: 5% and 10% liquid high-purity formulations (&gt;95% for 5% and &gt;98% for 10%) [2].<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">These formulations differ in their stabilizer. For example, the 10% solution is stabilized with glycine and doesn\u2019t contain carbohydrate-reducing stabilizers. Meanwhile, the 5% solution is stabilized with sorbitol.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Characteristics\"><\/span><span style=\"font-weight: 400;\">Characteristics<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">The distribution of IgG subclasses in <\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> produc<\/span><span style=\"font-weight: 400;\">ts reflects that of normal plasma [3].<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">In addition, the IgA content is low, reducing the risk of hypersensitivity reactions in IgA-deficient patients.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">During treatment, doctors strictly control the anti-D and anti-A\/anti-B hemagglutinin contents to reduce the risk of hemolytic reactions.&nbsp;<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">There is very low or undetectable procoagulant activity, as shown by testing multiple batches from the starting plasma pool to the final product.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-weight: 400;\">Overview of IVIG Products<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Different immune globulin products licensed in the United States are available, such as <\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/ameripharmaspecialty.com\/ivig\/ivig\/\/gamunex-c-the-immune-supplement\/\"><span style=\"font-weight: 400;\">Gamunex<\/span><\/a><span style=\"font-weight: 400;\">, Flebogamma, Octagam, Bivigam, <\/span><a href=\"https:\/\/ameripharmaspecialty.com\/ivig\/gammaked\/\"><span style=\"font-weight: 400;\">Gammaked<\/span><\/a><span style=\"font-weight: 400;\">, and <\/span><a href=\"https:\/\/ameripharmaspecialty.com\/ivig\/privigen-medication\/\"><span style=\"font-weight: 400;\">Privigen<\/span><\/a><span style=\"font-weight: 400;\">. <\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">These products differ in many aspects, such as:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">The manufacturing process<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">The formulation (liquid versus dry powder)<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Concentration<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">The stabilizer used<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Composition&nbsp;<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Viral inactivation<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">pH<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Volume load<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Osmolality<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Sodium content<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Method of administration<\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">Gamunex is given either intravenously (abbreviated as IVIG) or subcutaneously (abbreviated as SCIG), while <\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> is administered only as an intravenous immunoglobulin IVIG infusion.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">IVIG products are formulated as either liquid (such as Gammaplex) or dry powder (lyophilized, like Gammagard S\/D). For the manufacturing process, immune globulin products differ in the isolation and purification of IgG, and the antibody fraction.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">All these factors affect the final product\u2019s shelf life, efficacy, and tolerability. As a result, certain products may be selected for a specific group of patients.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">For example, patients with<\/span> <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/25011425\/\"><span style=\"font-weight: 400;\">cardiovascular risk factors<\/span><\/a><span style=\"font-weight: 400;\"> or small infants should be given products with low sodium content and osmolality [4]. Diabetic patients should not receive IVIG products that contain glucose. Those with preexisting renal conditions shouldn\u2019t use products that contain sucrose.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_Gammaplex_Used_For\"><\/span><span style=\"font-weight: 400;\">What Is <\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> Used For?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> is an<\/span><span style=\"font-weight: 400;\"> FDA-approved product for managing primary humoral immunodeficiency diseases (PIDDs) in adults and pediatric patients 2 years old and above. In addition, <\/span><span style=\"font-weight: 400;\">Gammaplex infusions<\/span><span style=\"font-weight: 400;\"> help prevent bleeding in idiopathic thrombocytopenic purpura (ITP).<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Immunodeficiency disorders result from the absence or dysfunction of a part of the immune system. Immunodeficiency disorders can have two categories: primary and secondary.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">The principal clinical manifestation of <\/span><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/29032734\/\"><span style=\"font-weight: 400;\">primary humoral immunodeficiency (PI) diseases<\/span><\/a><span style=\"font-weight: 400;\"> is an increased risk of infection. Almost all patients suffered serious or unusual infections before receiving Gammaplex treatment. A large population reported suffering from permanent functional impairment [5].<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-weight: 400;\">Primary Humoral Immunodeficiency (PI)<\/span><\/h3>\n\n\n\n<p><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK500027\/\"><span style=\"font-weight: 400;\">Primary immunodeficiency<\/span><\/a><span style=\"font-weight: 400;\"> is divided into several types according to their dysfunctional element:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">T-cell deficiency&nbsp;<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">B-cell deficiency&nbsp;<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Both T-cell and B-cell deficiency<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Complement deficiency<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Phagocyte deficiency<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Immunoglobulin A deficiency [6]<\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">Primary Humoral Immunodeficiency often has an underlying genetic cause.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">For example, in primary immunodeficiency, B-cell deficiency is an X-linked disorder. It is called <\/span><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/24909997\/\"><span style=\"font-weight: 400;\">X-linked agammaglobulinemia<\/span><\/a><span style=\"font-weight: 400;\"> (Bruton disease) [7].<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Babies with X-linked agammaglobulinemia suffer from recurrent bacterial infections, including otitis media, bronchitis, septicemia, pneumonia, arthritis, and giardia lamblia, which causes intestinal malabsorption.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Administering intravenous immune globulins such as <\/span><span style=\"font-weight: 400;\">Gammaplex infusions<\/span><span style=\"font-weight: 400;\"> can help patients with X-linked agammaglobulinemia. <\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> can k<\/span><span style=\"font-weight: 400;\">eep them alive by replacing low levels of <\/span><a href=\"https:\/\/ameripharmaspecialty.com\/ivig\/ivig\/\/immunoglobulins-ig\/\"><span style=\"font-weight: 400;\">immunoglobulins<\/span><\/a><span style=\"font-weight: 400;\">.&nbsp;<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Another subcategory of primary humoral immunodeficiency is T-cell Immunodeficiencies, including Hyper-IgM syndrome. Doctors recommend immunoglobulin therapy for this syndrome.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">This treatment is also helpful for congenital agammaglobulinemia, Wiskott-Aldrich syndrome, and severe combined immunodeficiencies.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-weight: 400;\">Chronic Immune Thrombocytopenic Purpura (ITP)<\/span><\/h3>\n\n\n\n<p><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/19005182\/\"><span style=\"font-weight: 400;\">Immune thrombocytopenic purpura (ITP)<\/span><\/a><span style=\"font-weight: 400;\"> is isolated thrombocytopenia (platelet count &lt;100,000\/microL) with normal white blood cells and normal hemoglobin. It occurs in the setting of a generalized purpuric rash as defined by the American Society of Hematology [8].<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">ITP is also known as idiopathic thrombocytopenic purpura or immune thrombocytopenic purpura.<\/span><\/p>\n\n\n\n<p><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/31945156\/\"><span style=\"font-weight: 400;\">According to lab tests<\/span><\/a><span style=\"font-weight: 400;\">, the white blood count, hemoglobin concentration, red cell indices, and differential white blood cells are usually normal. The only abnormality before <\/span><span style=\"font-weight: 400;\">Gammaplex <\/span><span style=\"font-weight: 400;\">treatment is a platelet count of less than 100,000\/microL [9].<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">The etiology of ITP includes the development of autoantibodies against platelet membrane proteins, leading to thrombocytopenia and an elevated risk of bleeding. ITP is an autoantibody-mediated disorder, usually mediated by immunoglobulin G.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">The 2019 American Society of Hematology guidelines recommends using intravenous immunoglobulin (IVIG) for patients who cannot use corticosteroids.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Researchers believe immune globulin intravenous human liquids such as Gammaplex raise platelet counts for patients with chronic immune thrombocytopenic purpura.<\/span><\/p>\n\n\n\n<p><strong>Key Takeaways<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gammaplex treats <strong>PIDD<\/strong> and <strong>ITP<\/strong>.<\/li>\n\n\n\n<li>It reduces infections and raises platelet counts.<\/li>\n\n\n\n<li>It is given <strong>intravenously only<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Gammaplex_Mechanism_of_Action\"><\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> Mechanism of Action<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">In primary humoral immunodeficiency, <\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> act<\/span><span style=\"font-weight: 400;\">s as an IgG replacement therapy by replacing the low levels of opsonic and neutralizing IgG antibodies, thus boosting the immune system against pathogens and their toxins.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">It may downregulate antiplatelet antibody production and block Fc receptors in chronic ITP, but the exact mechanism is still unclear [10].<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-weight: 400;\">Dosing<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">The dosage of <\/span><span style=\"font-weight: 400;\">Gammaplex infusions<\/span><span style=\"font-weight: 400;\"> varies according to the indication and the concentration administered.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-weight: 400;\">Treatment of Primary Humoral Immunodeficiency<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">For treating primary humoral immunodeficiency disease, the frequency and the dose of immunoglobulin may vary from patient to patient. This difference is because the half-life of IgG varies among patients.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">The proper amount can be adjusted according to the patient\u2019s clinical response.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">However, according to the <\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> package insert, Gammaplex 5% (100 ml) is given intravenously at a dose of 300 to 800 mg\/kg (6-16 mL\/kg) every 3 to 4 weeks for managing PI.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> 10% (50 ml) is administered intravenously at similar doses. But this higher concentration allows a 34% reduction in infusion time without compromising safety and tolerability.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-weight: 400;\">Treatment of Chronic Immune Thrombocytopenic Purpura<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">The recommended dose of the 5% solution for patients with ITP is 1 g\/kg (20 mL\/kg) on two consecutive days, providing a total of 2 g\/kg.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">For patients at increased risk of thrombosis, hemolysis, acute kidney injury, or volume overload, there should be a careful evaluation of the risks and benefits of prescribing this regimen.<\/span><\/p>\n\n\n\n<p><strong>Key Takeaways:&nbsp;<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Dosing varies based on patient response and indication.<\/li>\n\n\n\n<li>Gammaplex 10% shortens infusion time compared to 5%.<\/li>\n\n\n\n<li>ITP dosing is significantly higher than PIDD dosing.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"668\" height=\"900\" src=\"https:\/\/ameripharmaspecialty.com\/wp-content\/uploads\/2024\/08\/gammaplex-injection-sites-668x900-1.png\" alt=\"Gammaplex injection sites\" class=\"wp-image-26407\" srcset=\"https:\/\/ameripharmaspecialty.com\/wp-content\/uploads\/2024\/08\/gammaplex-injection-sites-668x900-1.png 668w, https:\/\/ameripharmaspecialty.com\/wp-content\/uploads\/2024\/08\/gammaplex-injection-sites-668x900-1-223x300.png 223w, https:\/\/ameripharmaspecialty.com\/wp-content\/uploads\/2024\/08\/gammaplex-injection-sites-668x900-1-594x800.png 594w, https:\/\/ameripharmaspecialty.com\/wp-content\/uploads\/2024\/08\/gammaplex-injection-sites-668x900-1-64x86.png 64w, https:\/\/ameripharmaspecialty.com\/wp-content\/uploads\/2024\/08\/gammaplex-injection-sites-668x900-1-124x167.png 124w, https:\/\/ameripharmaspecialty.com\/wp-content\/uploads\/2024\/08\/gammaplex-injection-sites-668x900-1-208x280.png 208w, https:\/\/ameripharmaspecialty.com\/wp-content\/uploads\/2024\/08\/gammaplex-injection-sites-668x900-1-275x370.png 275w\" sizes=\"auto, (max-width: 668px) 100vw, 668px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Infusion_Rates\"><\/span><span style=\"font-weight: 400;\">Infusion Rates<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-weight: 400;\">What are the infusion rates for managing PI using <\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> 5%?<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Initially, the infusion rate should be 0.5 mg\/kg\/min for 15 minutes and increased gradually every 15 minutes to 4 mg\/kg\/min as a maintenance infusion rate.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-weight: 400;\">What are the infusion rates for managing ITP using the 5% solution?<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Initially, the infusion rate should be 0.5 mg\/kg\/min for 15 minutes and increased gradually every 15 minutes to 4 mg\/kg\/min as a maintenance infusion rate until the administration of the total dose.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-weight: 400;\">What are the infusion rates for treating PI using <\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> 10%?<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">For managing PI using the 10% solution, the starting infusion rate is set at 0.5 mg\/kg\/min for 15 minutes and increased gradually every 15 minutes to 8 mg\/kg\/min. <\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-weight: 400;\">What are the infusion rates for treating ITP using the 10% solution?<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">For managing ITP, the initial gammaplex infusion rate is set at 0.5 mg\/kg\/min (0.005 mL\/kg\/min) for 15 minutes&nbsp;and increased gradually every 15 minutes to 8 mg\/kg\/min (0.08 mL\/kg\/min).<\/span><\/p>\n\n\n\n<h5 class=\"wp-block-heading\"><\/h5>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Gammaplex_Administration\"><\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> Administration<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">Before administering the drug, the patient should drink plenty of water to ensure adequate hydration.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Doctors should monitor the patient\u2019s vital signs throughout the infusion session.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Patients that show any signs of adverse reactions should receive lower infusion rates. If the adverse reaction subsides, the infusion should be resumed but at a lower rate that is comfortable for the patient.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">If the adverse reaction persists, the infusion should stop altogether.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">It is vital to ensure that patients with preexisting renal insufficiency are not volume depleted.&nbsp;<\/span><span style=\"font-weight: 400;\">Patients predisposed to renal dysfunction, thrombotic events, or volume overload should receive <\/span><span style=\"font-weight: 400;\">Gammaplex infusion<\/span><span style=\"font-weight: 400;\"> at the minimum practicable rate.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Gammaplex_Adverse_Reactions\"><\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> Adverse Reactions<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Gammaplex can rarely cause:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Renal dysfunction<\/strong> (more common with sucrose-stabilized IVIGs)<\/li>\n\n\n\n<li><strong>Thrombotic events<\/strong> (related to increased serum viscosity)<\/li>\n\n\n\n<li><strong>Hemolysis<\/strong> (due to blood group antibodies)<\/li>\n\n\n\n<li><strong>TRALI<\/strong> (lung injury linked to blood product transfusions)<span style=\"font-weight: 400;\">&nbsp;&nbsp;<\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">According to some reports, as many as 21% of patients discontinued their immunoglobulin therapy due to adverse reactions (low tolerability) or concerns about product safety.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Generally speaking, most patients tolerate IVIGs well. Most adverse reactions are mild, transient, and reversible by slowing or temporarily stopping the infusion.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">More specifically, most people tolerate <\/span><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/29032734\/\"><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> IV<\/span><\/a><span style=\"font-weight: 400;\"> well, as reflected by the low rate of treatment discontinuations due to side effects.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Similarly, patients with ITP completed 90 of 94 infusions at the maximum recommended rate, indicating that <\/span><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/29032734\/\"><span style=\"font-weight: 400;\">Gammaplex infusions<\/span><\/a><span style=\"font-weight: 400;\"> were well tolerated even at high doses.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-weight: 400;\">Adverse Reactions in Subjects With PI<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">According to the package insert, the most common adverse reactions reported in primary immune deficiency clinical trials were:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Headache<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Migraines<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Fever<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-weight: 400;\">Adverse Reactions in Subjects With ITP<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">The most common adverse reactions reported in immune thrombocytopenic purpura clinical trials were:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Headache<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Vomiting<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Fever<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Nausea<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Joint pain<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Dehydration<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Summary of Gammaplex Side Effects<\/strong><\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Reaction Type<\/strong><\/td><td><strong>Examples<\/strong><\/td><td><strong>Notes<\/strong><\/td><\/tr><tr><td><strong>Common<\/strong><\/td><td>Headache, fever, nausea, vomiting<\/td><td>Usually mild; often linked to infusion rate<\/td><\/tr><tr><td><strong>Less Common<\/strong><\/td><td>Migraine, joint pain, dehydration<\/td><td>Typically manageable with slower infusion<\/td><\/tr><tr><td><strong>Rare but Serious<\/strong><\/td><td>Renal dysfunction, thrombosis, hemolysis, TRALI<\/td><td>Requires monitoring and risk assessment<\/td><\/tr><tr><td><strong>Very Rare<\/strong><\/td><td>Aseptic meningitis<\/td><td>Often reversible when infusion stops<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><span style=\"font-weight: 400;\">The frequency of <\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> adver<\/span><span style=\"font-weight: 400;\">se reactions tends to be directly proportional to the rate and dose of infusion. Fortunately, most of these side effects tend to be self-limited, mild, and transient. Usually, these adverse reactions occur during or within 6 hours of infusion, especially after the first infusion session.&nbsp;<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Adverse reactions can also be associated with rapid infusion rates, higher doses, switching to a new product, waiting for longer intervals between infusion sessions, and intercurrent infections.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-weight: 400;\">Managing <\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> Side Effects<\/span><\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright\"><img loading=\"lazy\" decoding=\"async\" width=\"420\" height=\"280\" src=\"https:\/\/ameripharmaspecialty.com\/wp-content\/uploads\/2021\/09\/gammaplex-smiling-woman-pill.jpg\" alt=\"A smiling woman taking a pill\" class=\"wp-image-22426\" srcset=\"https:\/\/ameripharmaspecialty.com\/wp-content\/uploads\/2021\/09\/gammaplex-smiling-woman-pill.jpg 420w, https:\/\/ameripharmaspecialty.com\/wp-content\/uploads\/2021\/09\/gammaplex-smiling-woman-pill-300x200.jpg 300w, https:\/\/ameripharmaspecialty.com\/wp-content\/uploads\/2021\/09\/gammaplex-smiling-woman-pill-330x220.jpg 330w, https:\/\/ameripharmaspecialty.com\/wp-content\/uploads\/2021\/09\/gammaplex-smiling-woman-pill-86x57.jpg 86w, https:\/\/ameripharmaspecialty.com\/wp-content\/uploads\/2021\/09\/gammaplex-smiling-woman-pill-167x111.jpg 167w, https:\/\/ameripharmaspecialty.com\/wp-content\/uploads\/2021\/09\/gammaplex-smiling-woman-pill-280x187.jpg 280w, https:\/\/ameripharmaspecialty.com\/wp-content\/uploads\/2021\/09\/gammaplex-smiling-woman-pill-370x247.jpg 370w\" sizes=\"auto, (max-width: 420px) 100vw, 420px\" \/><\/figure>\n<\/div>\n\n\n<p><span style=\"font-weight: 400;\">Some simple methods can help prevent side effects from Gammaplex infusions.<br><\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">For example, drinking plenty of water before or after the infusion can often be enough to minimize the occurrence of<\/span><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/30909703\/\"><span style=\"font-weight: 400;\"> adverse reactions<\/span><\/a><span style=\"font-weight: 400;\"> [11]. If side effects still occur, doctors can use simple pharmacological approaches, such as administering 500 mg of oral paracetamol or 500 mg of intravenous acetylsalicylic acid.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Another option can be administering non-steroidal anti-inflammatory drugs (e.g., ibuprofen 10 mg\/kg), second-generation antihistamines, or corticosteroids.&nbsp;<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">However, the patient and health care provider should know that sometimes threatening adverse reactions may occur. Adverse reactions of Gammaplex include renal dysfunction\/failure, thrombotic events, hypersensitivity, hyperproteinemia, increased serum viscosity, and hyponatremia.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-weight: 400;\">Renal Dysfunction\/Failure Adverse Reactions<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Reports of renal dysfunction with sucrose-free IVIGs are relatively rare.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Patients at risk of developing acute renal failure can belong to two distinct populations:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Patients with underlying conditions&nbsp;<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Patients at an increased risk for developing renal insufficiencies, including those with renal insufficiency, diabetes mellitus, advanced age (&gt;65 years old), volume depletion (dehydration or hypervolemia), sepsis, or paraproteinemia. Patients receiving known nephrotoxic drugs are also at risk.<\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">Since <\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> 10<\/span><span style=\"font-weight: 400;\">% is stabilized with glycine and the 5% solution is stabilized with sorbitol, both products are less prone to cause renal dysfunction or acute renal failure.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-weight: 400;\">Minimizing the Risk of Renal Dysfunction or Acute Renal Failure<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Healthcare authorities, including the <\/span><a href=\"https:\/\/www.fda.gov\/\"><span style=\"font-weight: 400;\">FDA<\/span><\/a><span style=\"font-weight: 400;\"> and clinical experts, recommend several measures to minimize the risk of renal dysfunction or acute renal failure for at-risk patients.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Patients should be hydrated well to ensure that they aren\u2019t hypovolemic before a <\/span><span style=\"font-weight: 400;\">Gammaplex infusion<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Patients at risk of developing renal dysfunction should receive an infusion at the minimum rate practicable. These patients include those predisposed to acute renal failure.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">In addition, patients at risk of developing renal dysfunction should be assessed periodically for their renal function. Patients should discontinue infusions if there is any deterioration in renal function.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-weight: 400;\">Thrombotic Adverse Reactions<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">In one <\/span><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/8309562\/\"><span style=\"font-weight: 400;\">clinical trial<\/span><\/a><span style=\"font-weight: 400;\">, serum viscosity was measured before and immediately after each of three consecutive monthly infusions of IVIG. Serum viscosity increased after IVIG in all 13 patients who participated in the study [12].&nbsp;<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Patients at risk of developing thromboembolic events include those:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Of advanced age<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">With prolonged immobilization<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">With hypercoagulable conditions<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">With a history of venous or arterial thrombosis<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Who use estrogen<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Who have indwelling central vascular catheters<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">With hyperviscosity<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">With cardiovascular risk factors <\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">However, thromboembolic events from <\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> therapy may still occur without these known risk factors.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-weight: 400;\">Minimizing Risk of Thromboembolic Events<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Doctors should also assess the patient\u2019s risk for clotting. Patients with uncontrolled blood pressure, high cholesterol levels, and history of stroke or clotting are at a higher risk for developing clots on immunoglobulin therapy.&nbsp;<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Patients who are not receiving treatment for these health conditions should get treated before starting their immunoglobulin infusion. Adjustments to the infusion rate and the addition of a hydration infusion can also help to reduce clotting risk.&nbsp;<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Patients at risk of thrombosis should receive <\/span><span style=\"font-weight: 400;\">Gammaplex infusion<\/span><span style=\"font-weight: 400;\"> at the minimum dose and a practicable infusion rate.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-weight: 400;\">Hypersensitivity<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Like any other medicinal product, the administration of <\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> may <\/span><span style=\"font-weight: 400;\">cause hypersensitivity reactions.&nbsp;<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Hypersensitivity reactions may be due to the trace amounts of IgA in the drug. Patients with known antibodies to IgA are at increased risk of developing hypersensitivity and anaphylactic reactions, so they should be monitored closely.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Patients should discontinue the infusion immediately and seek proper management if a hypersensitivity reaction occurs.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-weight: 400;\">Hyperproteinemia, Increased Serum Viscosity, and Hyponatremia<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Hyperproteinemia, high serum viscosity, and hyponatremia are rare adverse reactions that may accompany <\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> treatme<\/span><span style=\"font-weight: 400;\">nt.&nbsp;<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Doctors should assess the patients carefully for signs of hyponatremia and distinguish it clinically from pseudo-hyponatremia.&nbsp;<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Pseudohyponatremia may accompany hyperproteinemia, and any management procedure for correcting pseudohyponatremia may further deplete volume and increase the risk of thrombotic events.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-weight: 400;\">Aseptic Meningitis Syndrome<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK557412\/#:~:text=Aseptic%20meningitis%20is%20an%20umbrella,inflammatory%20disorders%20of%20the%20meninges.\">Aseptic Meningitis Syndrome (AMS)<\/a> may occur in patients on IVIG treatment, especially at high doses (2 g\/kg) and rapid infusion rates.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Aseptic meningitis syndrome (AMS) should be suspected if the following signs and symptoms are noticed within several hours to 2 days following IVIG treatment: <\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Nuchal rigidity<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Painful eye movements<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Photophobia<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Fever<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Severe headache<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Drowsiness<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Nausea<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Vomiting <\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">Patients experiencing these symptoms from <\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> should<\/span><span style=\"font-weight: 400;\"> receive an extensive neurological examination to rule out other causes of meningitis.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Fortunately, discontinuing IVIG treatment is usually enough for the remission of aseptic meningitis syndrome without adverse consequences.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-weight: 400;\">Hemolysis<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">IVIG, including <\/span><span style=\"font-weight: 400;\">Gammaplex infusions<\/span><span style=\"font-weight: 400;\">, may cause hemolysis due to the content of blood group antibodies that can act as hemolysins.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Acute hemolysis may develop into delayed hemolytic anemia, which has been reported upon the use of IVIG therapy. <\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Some of the main reasons patients may develop hemolysis with the use of <\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> a<\/span><span style=\"font-weight: 400;\">re: <\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Administration of high doses (i.e., \u22652 g\/kg).<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Being other than O-blood type.<\/span><\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-weight: 400;\">Minimizing the Risk of Hemolysis<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Doctors should closely monitor patients at risk of developing hemolysis.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Other measures to minimize the risk of hemolysis should include baseline laboratory testing (such as hemoglobin and hematocrit levels) for patients predisposed to developing hemolysis. Doctors should conduct these tests 36 to 96 hours after infusion.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">If hemolysis is suspected, doctors should also conduct confirmatory laboratory tests.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-weight: 400;\">Transfusion-Related Acute Lung Injury (TRALI):<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Transfusion-related acute lung injury (TRALI) is one of the adverse reactions that may accompany the transfusion of blood products, including intravenous immune globulin products like <\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\">.&nbsp;<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Transfusion-related acute lung injury is a clinical syndrome. It involves acute, noncardiogenic pulmonary edema that may occur during or after the transfusion session and is associated with hypoxia.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">The signs and symptoms of TRALI may include fever, hypotension, and exudative bilateral infiltrates on a chest radiograph.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Transfusion-related acute lung injury is suspected when there are other risk factors for acute lung injury, and symptoms usually appear within 1 to 6 hours following treatment. When transfusion-related acute lung injury is suspected, doctors should perform anti-neutrophil antibody tests for the products and the patient\u2019s serum.<\/span><\/p>\n\n\n\n<p><strong>Key Takeaways<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Most side effects are <strong>mild<\/strong> and <strong>rate-dependent<\/strong>.<\/li>\n\n\n\n<li>Serious reactions (renal, thrombotic, hemolysis) are rare but require monitoring.<\/li>\n\n\n\n<li>Hydration and slower infusion rates significantly reduce risks.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Gammaplex_Infusion_Costs\"><\/span><span style=\"font-weight: 400;\">Gammaplex Infusion<\/span><span style=\"font-weight: 400;\"> Costs<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">The price for <\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> intr<\/span><span style=\"font-weight: 400;\">avenous solution 5% is between $890 and $940 for a supply of 100 ml, depending on the pharmacy you visit [9].<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">The price for this intravenous solution at 10% is between $1,780 and $1,950 for a supply of 100 ml, depending on the pharmacy you visit.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Gammaplex_Copay_Assistance_Programs\"><\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> Copay Assistance Programs<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright\"><img loading=\"lazy\" decoding=\"async\" width=\"420\" height=\"280\" src=\"https:\/\/ameripharmaspecialty.com\/wp-content\/uploads\/2021\/09\/gammaplex-happy-couple-piggy-bank.jpg\" alt=\"A happy couple putting money in a piggy bank\" class=\"wp-image-22427\" srcset=\"https:\/\/ameripharmaspecialty.com\/wp-content\/uploads\/2021\/09\/gammaplex-happy-couple-piggy-bank.jpg 420w, https:\/\/ameripharmaspecialty.com\/wp-content\/uploads\/2021\/09\/gammaplex-happy-couple-piggy-bank-300x200.jpg 300w, https:\/\/ameripharmaspecialty.com\/wp-content\/uploads\/2021\/09\/gammaplex-happy-couple-piggy-bank-330x220.jpg 330w, https:\/\/ameripharmaspecialty.com\/wp-content\/uploads\/2021\/09\/gammaplex-happy-couple-piggy-bank-86x57.jpg 86w, https:\/\/ameripharmaspecialty.com\/wp-content\/uploads\/2021\/09\/gammaplex-happy-couple-piggy-bank-167x111.jpg 167w, https:\/\/ameripharmaspecialty.com\/wp-content\/uploads\/2021\/09\/gammaplex-happy-couple-piggy-bank-280x187.jpg 280w, https:\/\/ameripharmaspecialty.com\/wp-content\/uploads\/2021\/09\/gammaplex-happy-couple-piggy-bank-370x247.jpg 370w\" sizes=\"auto, (max-width: 420px) 100vw, 420px\" \/><\/figure>\n<\/div>\n\n\n<p><span style=\"font-weight: 400;\"><\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Multiple Patient Assistance Programs (PAPs) support low-income, uninsured, or underinsured people. These patients can receive medications for free or at a discounted price.&nbsp;<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Pharmaceutical companies sponsor programs such as the Patient Access Network Foundation (PAN), HealthWell Foundation Copay Program, and Bio Products Laboratory (BPL) Reimbursement Support Program.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">For instance, in the Bio Products Laboratory (BPL) Reimbursement Support Program, patients can receive up to $2,000 in assistance yearly if they prove they need financial aid.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Gammaplex_Manufacturer\"><\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> Manufacturer<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">The manufacturer of this drug is <\/span><a href=\"https:\/\/www.bpl-us.com\/\"><span style=\"font-weight: 400;\">Bio Products Laboratory<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-weight: 400;\">Is It the Same as Gammagard?<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Both are immune globulin products. However, patients can receive <\/span><a href=\"https:\/\/ameripharmaspecialty.com\/ivig\/gammagard\/\"><span style=\"font-weight: 400;\">Gammagard<\/span><\/a><span style=\"font-weight: 400;\"> infusions intravenously or subcutaneously, while they can receive <\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> only<\/span><span style=\"font-weight: 400;\"> through an IV.&nbsp;<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Another difference between these immune globulin products is their indications for use.&nbsp;<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Gammaplex infusion<\/span><span style=\"font-weight: 400;\"> is a replacement therapy for PIDDs and for managing ITP.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Gammagard is also indicated as a replacement therapy for PIDD. But it can also be used as a maintenance therapy to improve muscle strength and disability in adult patients with <\/span><a href=\"https:\/\/ameripharmaspecialty.com\/other-health-conditions\/what-is-multifocal-motor-neuropathy-mmn\/\"><span style=\"font-weight: 400;\">Multifocal Motor Neuropathy (MMN)<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">In general, Gammagard costs less. For example, Gammagard 10% (100 ml) would cost nearly $1,600, while a comparable amount of <\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> 10% <\/span><span style=\"font-weight: 400;\">would cost $1,800.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">In addition, these products have different manufacturers. The manufacturer of <\/span><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> i<\/span><span style=\"font-weight: 400;\">s Bio Products Laboratory. Gammagard\u2019s manufacturer is Baxalta.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><span style=\"font-weight: 400;\">Conclusion<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> is an immu<\/span><span style=\"font-weight: 400;\">noglobulin product currently licensed in the United States. It is a safe, effective replacement therapy for primary humoral immunodeficiency (PIDD). It also is a management therapy in chronic immune thrombocytopenic purpura (ITP).<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Gammaplex infusions<\/span><span style=\"font-weight: 400;\"> are availab<\/span><span style=\"font-weight: 400;\">le in two concentrations: 5% and 10%. The higher concentration ensures shorter infusion times.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">This product is a well-tolerated medication with mild, self-limited side effects that patients can manage successfully using simple measures. However, more serious adverse reactions are possible, and users should exercise caution.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Gammaplex<\/span><span style=\"font-weight: 400;\"> is n<\/span><span style=\"font-weight: 400;\">ot the same as <\/span><a href=\"https:\/\/ameripharmaspecialty.com\/ivig\/gammagard\/\"><span style=\"font-weight: 400;\">Gammagard<\/span><\/a><span style=\"font-weight: 400;\">. Each is formulated in a particular manner and has different indications.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gammaplex\u662f\u4e00\u79cd\u9ad8\u7eaf\u5ea6\u7684\u4eba\u6e90\u9759\u8109\u6ce8\u5c04\u514d\u75ab\u7403\u86cb\u767dG\uff08IVIG\uff09\u3002\u5b83\u6709\u52a9\u4e8e\u9884\u9632\u539f\u53d1\u6027\u514d\u75ab\u7f3a\u9677\u75c5\uff08PIDD\uff09\u7684\u611f\u67d3\u548c\u514d\u75ab\u6027\u8840\u5c0f\u677f\u51cf\u5c11\u6027\u7d2b\u765c\uff08ITP\uff09\u7684\u51fa\u8840\u3002\u5b83\u4ee5\u4e0d\u540c\u6d53\u5ea6\u7684\u9759\u8109\u6ce8\u5c04\u6db2\u5f62\u5f0f\u63d0\u4f9b\u3002.<\/p>","protected":false},"author":4,"featured_media":22424,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":true,"om_disable_all_campaigns":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[64],"tags":[3],"class_list":["post-15990","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-discontinued","tag-mina-azer"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Gammaplex: Uses and Side Effects | AmeriPharma\u2122 Specialty<\/title>\n<meta name=\"description\" content=\"Learn about Gammaplex, its uses, side effects, costs, and more with AmeriPharma\u2122 Specialty. 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It helps prevent infection in primary immunodeficiency diseases (PIDDs) and bleeding in immune thrombocytopenic purpura (ITP). 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It helps prevent infection in primary immunodeficiency diseases (PIDDs) and bleeding in immune thrombocytopenic purpura (ITP). It is available as an intravenous liquid solution at different concentrations.","_links":{"self":[{"href":"https:\/\/ameripharmaspecialty.com\/zh\/wp-json\/wp\/v2\/posts\/15990","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ameripharmaspecialty.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ameripharmaspecialty.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ameripharmaspecialty.com\/zh\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/ameripharmaspecialty.com\/zh\/wp-json\/wp\/v2\/comments?post=15990"}],"version-history":[{"count":0,"href":"https:\/\/ameripharmaspecialty.com\/zh\/wp-json\/wp\/v2\/posts\/15990\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ameripharmaspecialty.com\/zh\/wp-json\/wp\/v2\/media\/22424"}],"wp:attachment":[{"href":"https:\/\/ameripharmaspecialty.com\/zh\/wp-json\/wp\/v2\/media?parent=15990"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ameripharmaspecialty.com\/zh\/wp-json\/wp\/v2\/categories?post=15990"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ameripharmaspecialty.com\/zh\/wp-json\/wp\/v2\/tags?post=15990"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}