Nkarta Receives FDA Protocol Amendments for Outpatient CAR NK Therapy Trials
Nkarta, a clinical-stage biotechnology company, has announced that the Food and Drug Administration (FDA) has agreed to protocol amendments for its CAR natural killer (NK) cell therapy trials for autoimmune diseases. According to CEO Paul Hastings, these amendments remove several previous restrictions, including patient-by-patient dosing staggers, a 24-hour observation period post-cell administration, and a requirement for patients to remain within 60 miles of the treatment center for 30 days. Under the revised protocol, patients can now receive off-the-shelf cells, be observed for only two hours, and return home. Nkarta is currently studying this treatment across two investigational new drug applications: Ntrust-1, focusing on lupus nephritis, and Ntrust-2, a basket study for conditions like scleroderma, myositis, vasculitis, and rheumatoid arthritis. The company aims to present initial clinical data from these autoimmune disease programs at the American College of Rheumatology's 2026 Convergence meeting ...