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Takeda’s next-gen experimental immune drug comparable to approved treatment in study

By Thomson Reuters May 4, 2026 | 7:12 AM

May 4 (Reuters) – Takeda Pharmaceutical said on Monday its experimental drug for primary immunodeficiency disease showed comparable immune protection to ​its approved therapy HyQvia in a ‌mid-to late-stage trial, potentially offering a more convenient treatment option for patients who require lifelong therapy.

The drug candidate, TAK-881, is being developed as the next-generation ‌version ​of HyQvia, designed to deliver ⁠similar immune protection ⁠with a lower infusion volume and shorter administration time.

Primary immunodeficiency disease (PID) is a group of inherited disorders in which the body’s ​immune system does not work correctly, leaving patients prone to repeated and sometimes serious ⁠infections.

PID affects about 1 ⁠in 1,200 people in the United ​States, according to Takeda.

The study also showed patients ​treated with TAK‑881 had infection rates and ‌immune protection comparable to those treated with HyQvia, the company said.

Both the the drugs are designed to boost immunity by delivering ⁠antibodies taken from human plasma, the company said.

Takeda tested TAK-881 in adults and children aged two years ⁠and older, ‌who were already receiving immunoglobulin ⁠therapy, and said it had a ​similar ‌safety profile to HyQvia, with no ​new safety ⁠concerns.

The company expects to submit applications for TAK-881 to regulators in the United States, European Union and Japan this year.

(Reporting by Sahil Pandey in Bengaluru; Editing by Shilpi Majumdar and ​Shinjini Ganguli)