Takeda Announces Approval of HYQVIA® 10% S.C. (Subcutaneous) Injection Set in Japan for Patients with Agammaglobulinemia or Hypogammaglobulinemia

HYQVIA [Immune Globulin Infusion 10% (Human) with Recombinant Human Hyaluronidase] is the First and Only Facilitated Subcutaneous Immunoglobulin (fSCIG) Approved in Japan for Agammaglobulinemia and HypogammaglobulinemiaAdministration of Recombinant Human Hyaluronidase Prior toImmunoglobulin Facilitates Subcutaneous Infusion of Larger Volumes, Potentially Reducing Frequency and Giving Patients More FlexibilityApproval Expands Takeda’s Portfolio of Differentiated Immunoglobulin Therapies and Reflects the Company’s Commitment to Bring High-Quality Plasma-Derived Therapies to Patients in Japan

Takeda (TSE:4502/NYSE:TAK) today announced that the Japanese Ministry of Health, Labour and Welfare has approved the use of HYQVIA^® [Immune Globulin Infusion 10% (Human) with Recombinant Human Hyaluronidase] in patients with agammaglobulinemia or hypogammaglobulinemia¹, disorders characterized by very low or absent levels of antibodies and an increased risk of serious recurring infection caused by primary immunodeficiency (PID) or secondary immunodeficiency (SID)². The approval marks availability of the first and only facilitated subcutaneous immunoglobulin (fSCIG) therapy as a treatment option for appropriate patients in Japan.

HYQVIA is the first plasma-derived therapy for subcutaneous injection in Japan that consists of a combination of one vial of Immunoglobulin 10% and one vial of Recombinant Human Hyaluronidase PH20 (rHuPH20). The administration of rHuPH20 increases the dispersion and absorption of immunoglobulin (IG) in the subcutaneous tissue, allowing larger volumes to be infused in the infusion site. This allows for less frequent dosing compared to other subcutaneous IG products, while avoiding the need for venous access. The ability to infuse a larger infusion volume is expected to increase administration flexibility for patients with agammaglobulinemia or hypogammaglobulinemia by decreasing the dosing frequency to once every 3 or 4 weeks, as compared to weekly or bi-weekly with conventional SCIG treatments.

The approval is based on data from two pivotal Phase 3, open-label, non-controlled studies evaluating the efficacy, safety, tolerability and pharmacokinetics in Japanese subjects with PID (NCT05150340, NCT05513586). In these studies, the efficacy and safety profile of HYQVIA in 16 patients aged 2 years or older in Japan were evaluated based on the results of the clinical trials. The Geo Mean of IgG trough level at the last 3 visits was 9.494g/L and was maintained at level comparable to treatment with intravenous or subcutaneous immunoglobulin (Geo Mean of IgG trough level 9.624g/L). The major adverse reactions were pyrexia 5 patients (31.3%) and infusion site erythema, injection site erythema, infusion site swelling, infusion site pain, and headache (12.5%)¹. Data from two Phase 3 clinical trials conducted in patients with PID in North America (NCT00814320, NCT01175213) was also included in the submission.

“We are delighted that HYQVIA, approved in more than 40 countries worldwide, has now been approved in Japan,” said Naoyoshi Hirota, Regional Head of Research & Development for Takeda’s Plasma-Derived Therapies Business Unit in Japan. “The subcutaneous IG therapies currently available in Japan for patients with agammaglobulinemia or hypogammaglobulinemia require infusion once every week or every 2 weeks. We are proud to offer Japanese patients the first and only facilitated subcutaneous treatment option that offers a reduced dosing frequency of every 3 or 4 weeks.”

“There is a high unmet need for plasma-derived therapies (PDTs) in patients in Japan, which is anticipated to increase as education and timely diagnosis rates continue to improve,” said Kristina Allikmets, head of research & development for Takeda’s Plasma-Derived Therapies Business Unit. “The approval of HYQVIA, the first and only facilitated SCIG treatment, is further evidence of Takeda’s commitment to add to the standard of care for patients in Japan. We look forward to continuing to bring new therapeutic options that support and enhance the experience of patients in our home country throughout the next decade.”

With this approval, Takeda is now able to offer a range of SCIG therapies to patients based on their individual administrative needs, reflecting the company’s commitment to offer patients in Japan a broader choice of treatment options. It also follows the announcement of a significant investment to build a new manufacturing facility for plasma-derived therapies (PDTs) in Osaka, Japan. HYQVIA is also currently under review in Japan for additional indications.

About Agammaglobulinemia or Hypogammaglobulinemia

Agammaglobulinemia is an inherited disorder caused by a gene defect that blocks the growth of normal, mature immune cells called B lymphocytes³. Hypogammaglobulinemia is a condition in which patients have low levels of antibodies due either to inherited genetic conditions (PID) or secondary effects (SID) – like chemotherapy, certain comorbid disorders, or immunosuppressants². Individuals with any form of antibody deficiency frequently experience recurring and/or severe infections, and immunoglobulin replacement therapy can increase the level of antibodies in the body.

About Primary Immunodeficiency and Secondary Immunodeficiency

Primary immunodeficiency describes a heterogeneous group of more than 480 rare genetic diseases wherein part of the immune system is missing or not functioning properly⁴. Secondary immunodeficiency is defined as an acquired impairment of the immune response resulting from an underlying condition or factors extrinsic to the immune system. SID may occur as a consequence of malnutrition, metabolic disorders, use of immunosuppressive medications, chronic infections, malignancies, or severe trauma⁵. Due to their impaired immune system, patients with PID and SID may be more susceptible to infection, and it may take longer to recover from it. In patients with antibody deficiency and increased susceptibility and/or persistent infections, substitution with functional antibodies (immunoglobulin replacement therapy) is the standard of care to support the immune system's functioning⁵.

About HYQVIA^®

HYQVIAis the combination product for subcutaneous injection containing one each vial of Subcutaneous Immunoglobulin 10% (SCIG10%) and Recombinant Human Hyaluronidase PH20 (rHuPH20). As of May 2024, HYQVIA has been approved in more than 40 countries worldwide.

HYQVIA Product Overview in Japan

About Takeda

Takeda is focused on creating better health for people and a brighter future for the world. We aim to discover and deliver life-transforming treatments in our core therapeutic and business areas, including gastrointestinal and inflammation, rare diseases, plasma-derived therapies, oncology, neuroscience and vaccines. Together with our partners, we aim to improve the patient experience and advance a new frontier of treatment options through our dynamic and diverse pipeline. As a leading values-based, R&D-driven biopharmaceutical company headquartered in Japan, we are guided by our commitment to patients, our people and the planet. Our employees in approximately 80 countries and regions are driven by our purpose and are grounded in the values that have defined us for more than two centuries. For more information, visit www.takeda.com.

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REFERENCES
¹ HYQVIA 10% Subcutaneous Injection Set Package Insert in Japan.
² Pimenta et al. Hypogammaglobulinemia: a diagnosis that must not be overlooked. BJMBR. 2019;52(10): e8926.
³ National Organization for Rare Disorders https://rarediseases.org/rare-diseases/agammaglobulinemia/
⁴ Tangye et al. Human Inborn Errors of Immunity: 2022 Update on the Classification from the International Union of Immunological Societies Expert Committee. J Clin Immunol. 2022;42(7):1473-1507.
⁵ Tuano KS, Seth N, Chinen J. Secondary immunodeficiencies: An overview. Ann Allergy Asthma Immunol. 2021;127(6):617-626.

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