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Study identifier: NCT06613490 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

An Exploratory Clinical Study of CD19 CAR NK Cells for the Treatment of Refractory Antisynthetase Antibody Syndrome and Rheumatoid Arthritis

Condition: Antisynthetase Syndrome · Rheumatoid Arthritis  ·  Sponsor: The First Affiliated Hospital with Nanjing Medical University

PhaseEARLY_Phase 1
Planned participants24
Who can joinAll sexes, 18 Years to 70 Years
Healthy volunteersNo

About this study

A single-center, open-label dose-escalation design to evaluate the safety and efficacy of 3 infusions of anti CD19 CAR NK cells (KN5501), as well as the expansion and persistence of KN5501 in patients with refractory antisynthetase antibody syndrome (ASyS) and rheumatoid arthritis (RA); To evaluate the ability of KN5501 to clear CD19-positive B cells in patients to determine the feasibility of KN5501 for the treatment of refractory ASyS and or RA.

This description comes directly from the study's public registry record.

Talk to the study team

Wenfeng Tan, PhD, MD  ·  086 18061202878  ·  tanwenfeng@jsph.org.cn

Hanxiao You, PhD, MD  ·  086 18800181269  ·  youhanxiao@jsph.org.cn

Always discuss trial participation with your own doctor first.

Locations (1)

The First Affiliated Hospital with Nanjing Medical UniversityNanjing, Jiangsu, ChinaRecruiting

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Source record: clinicaltrials.gov/study/NCT06613490