AlloNK® therapy combined with rituximab for treating certain autoimmune diseases
Official title: An Open-label Phase 2a Study to Evaluate the Safety and Efficacy of AlloNK®, an Allogeneic Cord Blood-derived NK Cell Therapy, in Combination With Rituximab in Relapsing Forms of B-cell Dependent Rheumatologic Diseases
Run by Artiva Biotherapeutics, Inc. · NCT06991114 · Data updated 2026-11-12
This study is testing if a new treatment called AlloNK® combined with rituximab can help people with tough-to-treat autoimmune diseases feel better.
Quick facts
| Phase | Phase 2 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 90 (estimated) |
| Sponsor | Artiva Biotherapeutics, Inc. Industry-sponsored |
| Drugs / interventions | rituximab |
| Locations | 52 sites (Tuscaloosa, Alabama and 51 other locations) |
| Status | Recruiting |
| Started | July 9, 2025 |
| Main results expected | January 2028 |
| Study ends | January 2029 |
| Registry record updated | July 31, 2026 |
| Trial ID | NCT06991114 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates include individuals with refractory rheumatoid arthritis, Sjögren's disease, idiopathic inflammatory myopathies, or systemic sclerosis who have not responded to previous treatments.
✕Probably not a fit
Patients with non-refractory autoimmune diseases or those who do not meet the specific eligibility criteria may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This Phase 2a open-label trial evaluates the safety and efficacy of AlloNK®, a non-genetically modified, allogeneic NK cell therapy derived from cord blood, in combination with rituximab for patients with refractory forms of B-cell dependent rheumatologic diseases. The study focuses on conditions such as refractory rheumatoid arthritis, Sjögren's disease, idiopathic inflammatory myopathies, and systemic sclerosis. Participants will receive AlloNK® to assess its potential benefits in managing their autoimmune conditions.
Why it matters
Potential benefit: If successful, this therapy could provide a new treatment option for patients suffering from refractory autoimmune diseases.
How similar studies have gone: While this approach is innovative, similar studies using NK cell therapies have shown promise, suggesting potential for success.
Who can join: the full rules
Show full inclusion / exclusion criteria
For Subjects with Refractory Rheumatoid Arthritis (RA): * Documented diagnosis of RA, meeting the 2010 ACR/EULAR classification criteria. * Rheumatoid Factor (RF) or Anti Citrullinated Protein Antibody (ACPA) positive. * High-sensitivity C-reactive protein (hs-CRP) \> 3 mg/L or Erythrocyte Sedimentation Rate (ESR) \> 28 mm/hr. * Have had prior treatment for a period of at least 12 weeks with a biologic disease modifying anti-rheumatic drug and were deemed refractory by the treating physician. * Minimum of six swollen joint counts (SJC) and six tender joint counts (TJC) according to joint assessment. For subjects with Sjögren's Disease (SjD) * Prior diagnosis of Primary SjD as per 2016 ACR/EULAR criteria with confirmatory diagnosis in the 24 weeks preceding screening. * Total Clinical European League Against Rheumatism Sjogren's Syndrome Disease Activity Index (clinESSDAI) \> 6. * Salivary Flow Rate \> 0.1 mL/min on stimulation. For subjects with Idiopathic Inflammatory Myopathies (IIMs) * Presence of a positive autoantibody (ANA \>1:80 or RNP or SSA/SSB or other myositis specific autoantibodies. * Refractory IIM as defined by inadequate response/intolerance to at least 3 months of glucocorticoids and/or at least one other immunosuppressive. * Muscle biopsy or muscle MRI to confirm IIM diagnosis, where applicable, within 12 months prior to enrollment. For Subjects with Systemic Sclerosis (SSc) * Diagnosis of SSc in accordance with the ACR/EULAR 2013 classification. * Modified Rodnan skin score (mRSS) \> 10. * Initial confirmatory diagnosis within 8 years of screening. * Refractory SSc as defined by inadequate response/intolerance to at least 3 months of glucocorticoids and/or at least one other immunosuppressive.
Where it's running
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Artiva Investigational Site Tuscaloosa
Tuscaloosa, Alabama, United States Recruiting -
Artiva Investigational Site Phoenix
Phoenix, Arizona, United States Recruiting -
Artiva Investigational Site Tucson
Tucson, Arizona, United States Recruiting -
Artiva Investigational Site Chula Vista
Chula Vista, California, United States Recruiting -
Artiva Investigational Site Covina
Covina, California, United States Recruiting -
Artiva Investigational Site Los Alamitos
Los Alamitos, California, United States Recruiting
Show 44 more locations
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Artiva Investigational Site Los Angeles
Los Angeles, California, United States Recruiting -
Artiva Investigational Site Santa Ana
Santa Ana, California, United States Recruiting -
Artiva Investigational Site Tustin
Tustin, California, United States Recruiting -
Artiva Investigational Site Jupiter
Jupiter, Florida, United States Recruiting -
Artiva Investigational Site Miami
Miami, Florida, United States Recruiting -
Artiva Investigational Site Plantation
Plantation, Florida, United States Recruiting -
Artiva Investigational Site Gainesville
Gainesville, Georgia, United States Recruiting -
Artiva Investigational Site Norcross
Norcross, Georgia, United States Recruiting -
Artiva Investigational Site Willowbrook
Willowbrook, Illinois, United States Recruiting -
Artiva Investigational Site Iowa
Iowa City, Iowa, United States Recruiting -
Artiva Investigational Site Iowa Great Falls
Great Falls, Montana, United States Recruiting -
Artiva Investigational Site Charlotte
Charlotte, North Carolina, United States Recruiting -
Artiva Investigational Site Charlotte
Charlotte, North Carolina, United States Recruiting -
Artiva Investigational Site Statesville
Statesville, North Carolina, United States Recruiting -
Artiva Investigational Site Charleston
Charleston, South Carolina, United States Recruiting -
Artiva Investigational Site Hixson
Hixson, Tennessee, United States Recruiting -
Artiva Investigational Site Jackson
Jackson, Tennessee, United States Recruiting -
Artiva Investigational Site Arlington
Arlington, Texas, United States Recruiting -
Artiva Investigational Site Bellaire
Bellaire, Texas, United States Recruiting -
Artiva Investigational Site Irving
Irving, Texas, United States Recruiting -
Artiva Investigational Site Katy
Katy, Texas, United States Recruiting -
Artiva Investigational Site Mesquite
Mesquite, Texas, United States Recruiting -
Artiva Investigational Site Red Oak
Red Oak, Texas, United States Recruiting -
Artiva Investigational Site Woodland
Woodland, Texas, United States Recruiting -
Artiva Investigational Site Roanoke
Roanoke, Virginia, United States Recruiting -
Artiva Investigational Site Brasília
Brasília, Brasília, Brazil Recruiting -
Artiva Investigational Site Cuiabá
Cuiabá, Cuiabá, Brazil Recruiting -
Artiva Investigational Site Porto Alegre
Porto Alegre, Porto Alegre, Brazil Recruiting -
Artiva Investigational Site Rio Grande
Rio Grande, Porto Alegre, Brazil Recruiting -
Artiva Investigational Site Sao Paulo
São Paulo, São Paulo, Brazil Recruiting -
Artiva Investigational Site São Paulo
São Paulo, São Paulo, Brazil Recruiting -
Artiva Investigational Site Plovdiv
Plovdiv, Plovdiv, Bulgaria Recruiting -
Artiva Investigational Site Sofia
Sofia, Bulgaria Recruiting -
Artiva Investigational Site Marseille
Marseille, France Recruiting -
Artiva Investigational Site Montpellier
Montpellier, France Recruiting -
Artiva Investigational Site Toulouse
Toulouse, France Recruiting -
Artiva Investigational Site Bonn
Bonn, Bonn, Germany Recruiting -
Artiva Investigational Site Munchen
München, Germany Recruiting -
Artiva Investigational Site Brescia
Brescia, Italy Recruiting -
Artiva Investigational Site Bydgoszcz
Bydgoszcz, Bydgoszcz, Poland Recruiting -
Artiva Investigational Site Warszawa
Warsaw, Warszawa, Poland Recruiting -
Artiva Investigational Site Vila Nova De Gaia
Vila Nova de Gaia, Portugal Recruiting -
Artiva Investigational Site Bucuresti
Bucharest, Romania Recruiting -
Artiva Investigational Site Bucharest
Bucharest, Romania Recruiting
+2 more sites. See ClinicalTrials.gov for the full list.
Study contacts
- Study coordinator: Chanel Mansfield Director, Clinical Operations, MPH
- Email: clinicaltrials@artivabio.com
- Phone: 1 858 223 7001
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
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FT839 therapy for autoimmune diseases
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.