FDA Approves Subcutaneous Administration of Rituximab for Three Lymphoma Types

On June 22, 2017, the United States Food and Drug Administration (FDA) approved subcutaneous injection of rituximab plus hyaluronidase human for people with follicular lymphoma (FL), diffuse large B-cell lymphoma (DLBCL), and chronic lymphocytic leukemia (CLL). Subcutaneous administration refers to the method of delivering a drug under the skin rather than directly into a vein as performed during intravenous (IV) administration.

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Administration of rituximab under the skin tends to take less than 10 minutes, whereas the traditional IV method can last several hours. The technique also allows for fixed dosing, which can reduce preparation time and excess drug waste, and may be more cost effective than IV infusion.

The approved treatment is to be employed only after patients have received at least one cycle of intravenous rituximab.

Approval comes based on the results of a series of clinical trials demonstrating comparable safety and efficacy outcomes across subcutaneous and intravenous administration.