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The US Food and Drug Administration (FDA) has approved an intravenous immunoglobulin (IVIG) product (Gammaplex® 10%) for the treatment of primary immunodeficiency (PI) and chronic immune thrombocytopenia (ITP) in adults.
PI includes, but is not limited to,
the humoral immune defect in common variable immunodeficiency, X-linked and congenital
agammaglobulinemia, Wiskott-Aldrich
syndrome, and severe combined immunodeficiencies.
Gammaplex 10% is manufactured by Bio Products Laboratory Limited (BPL).
Gammaplex 10% is made with the same process as BPL’s previously approved IVIG treatment, Gammaplex® 5% (immune globulin intravenous [human], 5% liquid).
Gammaplex 10% is more concentrated than Gammaplex 5%, with an immune globulin G (IgG) concentration of 100 g/L, and is stabilized with glycine.
The FDA’s approval of Gammaplex 10% was based on a 2-phase, crossover bioequivalence study comparing Gammaplex 10% and Gammaplex 5% in 33 adult patients with PI. This study is the first direct comparison of 10% and 5% IVIG products in the treatment of PI.
The primary endpoint of bioequivalence between the products was achieved, and trough levels of IgG were well maintained throughout the study.
Both Gammaplex 10% and Gammaplex 5% infusion rates were increased incrementally at 15-minute intervals if tolerated by the subject. The Gammaplex 10% infusion rate was increased to the maximum in 96% of infusions.
The mean infusion time for Gammaplex 10% was 1 hour and 51 minutes, which was 57 minutes faster than Gammaplex 5%.
There were no notable differences in the safety and tolerability of the 2 products.
The most common adverse events in patients receiving Gammaplex 10% were headache (12.5%), migraine (6.3%), and pyrexia (6.3%). There were no serious product-related adverse events.
The safety of Gammaplex 10% has not been established in adults with chronic ITP. The safety profile for Gammaplex 5% has been studied in a phase 3 trial of adults with chronic ITP, and it is anticipated that the safety profile for both formulations are comparable for ITP patients.
The most common adverse events in adults with chronic ITP receiving Gammaplex 5% were headache, vomiting, nausea, pyrexia, arthralgia, and dehydration. Serious adverse events were headache, vomiting, and dehydration.
The full prescribing information for Gammaplex 10%, which includes trial data, is available at http://www.gammaplex.com. 
Photo by Bill Branson
The US Food and Drug Administration (FDA) has approved an intravenous immunoglobulin (IVIG) product (Gammaplex® 10%) for the treatment of primary immunodeficiency (PI) and chronic immune thrombocytopenia (ITP) in adults.
PI includes, but is not limited to,
the humoral immune defect in common variable immunodeficiency, X-linked and congenital
agammaglobulinemia, Wiskott-Aldrich
syndrome, and severe combined immunodeficiencies.
Gammaplex 10% is manufactured by Bio Products Laboratory Limited (BPL).
Gammaplex 10% is made with the same process as BPL’s previously approved IVIG treatment, Gammaplex® 5% (immune globulin intravenous [human], 5% liquid).
Gammaplex 10% is more concentrated than Gammaplex 5%, with an immune globulin G (IgG) concentration of 100 g/L, and is stabilized with glycine.
The FDA’s approval of Gammaplex 10% was based on a 2-phase, crossover bioequivalence study comparing Gammaplex 10% and Gammaplex 5% in 33 adult patients with PI. This study is the first direct comparison of 10% and 5% IVIG products in the treatment of PI.
The primary endpoint of bioequivalence between the products was achieved, and trough levels of IgG were well maintained throughout the study.
Both Gammaplex 10% and Gammaplex 5% infusion rates were increased incrementally at 15-minute intervals if tolerated by the subject. The Gammaplex 10% infusion rate was increased to the maximum in 96% of infusions.
The mean infusion time for Gammaplex 10% was 1 hour and 51 minutes, which was 57 minutes faster than Gammaplex 5%.
There were no notable differences in the safety and tolerability of the 2 products.
The most common adverse events in patients receiving Gammaplex 10% were headache (12.5%), migraine (6.3%), and pyrexia (6.3%). There were no serious product-related adverse events.
The safety of Gammaplex 10% has not been established in adults with chronic ITP. The safety profile for Gammaplex 5% has been studied in a phase 3 trial of adults with chronic ITP, and it is anticipated that the safety profile for both formulations are comparable for ITP patients.
The most common adverse events in adults with chronic ITP receiving Gammaplex 5% were headache, vomiting, nausea, pyrexia, arthralgia, and dehydration. Serious adverse events were headache, vomiting, and dehydration.
The full prescribing information for Gammaplex 10%, which includes trial data, is available at http://www.gammaplex.com.
Photo by Bill Branson
The US Food and Drug Administration (FDA) has approved an intravenous immunoglobulin (IVIG) product (Gammaplex® 10%) for the treatment of primary immunodeficiency (PI) and chronic immune thrombocytopenia (ITP) in adults.
PI includes, but is not limited to,
the humoral immune defect in common variable immunodeficiency, X-linked and congenital
agammaglobulinemia, Wiskott-Aldrich
syndrome, and severe combined immunodeficiencies.
Gammaplex 10% is manufactured by Bio Products Laboratory Limited (BPL).
Gammaplex 10% is made with the same process as BPL’s previously approved IVIG treatment, Gammaplex® 5% (immune globulin intravenous [human], 5% liquid).
Gammaplex 10% is more concentrated than Gammaplex 5%, with an immune globulin G (IgG) concentration of 100 g/L, and is stabilized with glycine.
The FDA’s approval of Gammaplex 10% was based on a 2-phase, crossover bioequivalence study comparing Gammaplex 10% and Gammaplex 5% in 33 adult patients with PI. This study is the first direct comparison of 10% and 5% IVIG products in the treatment of PI.
The primary endpoint of bioequivalence between the products was achieved, and trough levels of IgG were well maintained throughout the study.
Both Gammaplex 10% and Gammaplex 5% infusion rates were increased incrementally at 15-minute intervals if tolerated by the subject. The Gammaplex 10% infusion rate was increased to the maximum in 96% of infusions.
The mean infusion time for Gammaplex 10% was 1 hour and 51 minutes, which was 57 minutes faster than Gammaplex 5%.
There were no notable differences in the safety and tolerability of the 2 products.
The most common adverse events in patients receiving Gammaplex 10% were headache (12.5%), migraine (6.3%), and pyrexia (6.3%). There were no serious product-related adverse events.
The safety of Gammaplex 10% has not been established in adults with chronic ITP. The safety profile for Gammaplex 5% has been studied in a phase 3 trial of adults with chronic ITP, and it is anticipated that the safety profile for both formulations are comparable for ITP patients.
The most common adverse events in adults with chronic ITP receiving Gammaplex 5% were headache, vomiting, nausea, pyrexia, arthralgia, and dehydration. Serious adverse events were headache, vomiting, and dehydration.
The full prescribing information for Gammaplex 10%, which includes trial data, is available at http://www.gammaplex.com.