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Takeda gets USFDA nod to expand use of HYQVIA to treat primary immunodeficiency in children
Primary Immunodeficiency is an umbrella term to describe a group of more than 400 disorders that affect the body's immune system, increasing susceptibility to infection.
Cambridge: Takeda has announced that the U.S. Food and Drug Administration (FDA) has approved a supplemental biologics license application (sBLA) to expand the use of HYQVIA to treat primary immunodeficiency (PI) in children 2-16 years old.
HYQVIA is the only subcutaneous immune globulin (ScIG) infusion that can be administered once a month – every three or four weeks – and was first approved in the U.S. in 2014 for the treatment of PI in adults.
PI is an umbrella term to describe a group of more than 400 disorders that affect the body's immune system, increasing susceptibility to infection. Children living with PI and their families face distinct challenges as they are more likely to get frequent and serious infections that can impact their school attendance and ability to participate in social activities. While immune globulin (IG) infusions can be effective at protecting against infections associated with a PI diagnosis, some therapy options may not be optimal for all children and their families. For example, intravenous route of administration may be difficult for some children and the frequency of some subcutaneous therapies may be challenging for some families’ schedules.
“Families of children living with primary immunodeficiency may feel overwhelmed by their child’s chronic medical needs. When it comes to treatment, having choices can mean a great deal to families,” said Jorey Berry, president and chief executive officer of the Immune Deficiency Foundation. “The approval of this new PI treatment for children 2 to 16 years old offers an alternative for health care providers and families who might prefer a less frequent treatment option that can be administered subcutaneously at home, after appropriate training, or in an infusion center.”
The FDA approval of HYQVIA for the treatment of PI in pediatric patients was based on evidence from a pivotal, prospective, open-label, non-controlled Phase 3 clinical trial that included 44 PI patients between the ages of 2 and 16. Data were analyzed when all subjects completed 12 months of participation (one year of observation) in the trial. The data showed no clinically meaningful differences in trough Immunoglobulin G (IgG) levels across age groups. During the 12-month trial period, HYQVIA was shown to be efficacious with respect to the occurrence of acute serious bacterial infections (aSBIs), a primary endpoint. The mean aSBI rate per year was 0.04 and was statistically significantly lower (with an upper 1-sided 99% confidence interval of 0.21, p<0.001) than the predefined success rate of less than one aSBI per subject per year, favoring efficacy of HYQVIA treatment in pediatric subjects with PI diseases. The efficacy of HYQVIA in this study was further demonstrated by the overall rate of infections per subject, which is consistent with results obtained in the pivotal clinical study. The mean rate of all infections per subject-year was 3.20, with an upper limit of the 95% confidence interval of 4.05.3 Results from the interim data analysis, where all subjects completed 12 months of participation (one year of observation period) in the study, indicated similar safety profiles to adults.
"This expanded HYQVIA indication exemplifies our ongoing commitment to providing plasma-derived therapies with proven efficacy. HYQVIA is now available to a broader community impacted by PI, including children and their families with distinct needs, who may prefer flexible treatment options in the management of these disorders," said Brandon Monk, head of Takeda’s U.S. Plasma-Derived Therapies Business Unit.
Read also: Takeda concludes acquisition of Nimbus Therapeutics' TYK2 Program Subsidiary
Ruchika Sharma joined Medical Dialogue as an Correspondent for the Business Section in 2019. She covers all the updates in the Pharmaceutical field, Policy, Insurance, Business Healthcare, Medical News, Health News, Pharma News, Healthcare and Investment. She has completed her B.Com from Delhi University and then pursued postgraduation in M.Com. She can be contacted at editorial@medicaldialogues.in Contact no. 011-43720751