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NK010 or NK042 in Combination with Rituximab for Refractory Systemic Lupus Erythematosus/lupus Nephritis

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Guangdong Provincial People's Hospital (Guangdong Provincial Academy of Medical Sciences)

Status and phase

Enrolling
Phase 1

Conditions

Refractory Systemic Lupus Erythematosus
Refractory Lupus Nephritis

Treatments

Drug: Rituximab
Biological: NK 010 or NK042

Study type

Interventional

Funder types

Other

Identifiers

NCT06676631
NK010-NK042-I-SLE-01

Details and patient eligibility

About

This is an investigator-initiated, open-label, single-arm study to determine safety and preliminary efficacy of NK010 or NK042 in combination with rituximab (RTX) for the treatment of patients with refractory systemic lupus erythematosus (SLE) or lupus nephritis (LN) in China.

Full description

The study will consist of 3 study periods for each study subject inclusive of screening, treatment and follow-up. During the treatment phase, the subjects will receive 1000 mg of rituximab treatment on day 1, followed by NK010 or NK042 treatment on days 4, 6, and 8, respectively. The subject will be followed at the day 14, day 28, Month 2, Month 3, and every 3 months for 1 year.

Enrollment

18 estimated patients

Sex

All

Ages

18 to 65 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • 18 to 65 years old, male or female.
  • A diagnosis of SLE according to the 2019 EULAR (European League Against Rheumatism)/ACR (American College of Rheumatology).
  • Inclusion criteria applicable to the LN subgroup: active type III or IV lupus nephritis (with or without type V) confirmed by renal biopsy according to the 2018 International Society of Nephrology/Renal Pathology Society (ISN/RPS) criteria. An activity index ≥2 and a chronicity index no more than moderate according to the 2018 RPS Task Force for LN pathologic types and the National Institutes of Health (NIH) Lupus Nephritis Activity and Chronicity Index Score criteria. Urine protein/creatinine ratio (UPCR) ≥ 1.0 g/g or 24-hour urine protein quantification ≥ 1.0 g/day.
  • One of the following at screening: positive antinuclear antibody (ANA) OR positive anti-dsDNA OR positive anti-Smith antibody.
  • SLEDAI-2000 score ≥ 8 and BILAG score of at least 1 A or 2 B.
  • Prior to screening, having received glucocorticoids combined with immunosuppressants and/or biologics for at least 3 months with stable doses for >2 weeks, but disease still active (i.e., received glucocorticoids + immunosuppressants or glucocorticoids + immunosuppressants + biologics; monotherapy with any of the above drugs is not eligible).
  • Hematologic, hepatic, renal, pulmonary, and cardiac function criteria at screening were as follows: ① leukocytes ≥ 2 ×109/L and lymphocyte count ≥ 0.5 ×109 /L; ② serum ALT and AST ≤ 3 times the upper limit of normal; ③ total bilirubin ≤ 1.5 times the upper limit of normal, with the exception of patients with Gilbert's syndrome, for whom total bilirubin was ≤ 3.0 times the upper limit of normal; ④ eGFR (based on the creatinine based on the CKD-EPI formula) ≥ 45 ml/min/1.73m2; ⑤ oxygen saturation ≥ 92% in non-oxygenated state under indoor ventilation; no clinically significant pleural effusion; ⑥ left ventricular ejection fraction ≥ 50%; no pericardial effusion as determined by echocardiography; and no clinically significant abnormal findings on ECG.
  • For participants not receiving therapeutic anticoagulation: International standardized ratio (INR) ≤ 1.5 times the upper limit of normal, or prothrombin time (PT) ≤ 1.5 times the upper limit of normal.
  • Participants receiving hematopoietic growth factor support therapy, including erythropoietin (EPO), granulocyte colony-stimulating factor (G-CSF), granulocyte macrophage-colony-stimulating factor (GM-CSF), and platelet agonists (TPO), must have a 2-week interval between the last growth factor support therapy and the screening period assessment; those receiving blood product transfusion that require at least 1 week between the screening period platelet assessment and the last platelet transfusion, and at least 2 weeks between the screening period hemoglobin assessment and the last red blood cell transfusion.
  • Female participants of childbearing potential must have a negative serum pregnancy test at screening (women who are surgically sterilized or have been menopausal for at least 2 years are not considered to be of childbearing potential). Female subjects of childbearing potential and male subjects must use highly effective methods of contraception throughout the clinical study and for 1 year after the last study treatment; they should also commit not to donate eggs (oocytes, oocytes)/sperm for assisted reproduction for 1 year after the last study treatment.
  • Participants are willing to participate in this study and sign a paper version of the informed consent form.

Exclusion criteria

  • Requires dialysis treatment (hemodialysis or peritoneal dialysis) at the time of screening or is expected to require dialysis treatment during study treatment.
  • Have received a solid organ or hematopoietic cell transplant or plan to do so during study period.
  • Have a congenital or acquired immunodeficiency that results in a serious infection, or are receiving chronic immunoglobulin replacement therapy.
  • Presence of active mixed connective tissue or systemic sclerosis, an overlapping syndrome, in the 12 months prior to or during screening, and the adverse condition or other treatment may affect study efficacy or safety assessment or outcomes. Overlapping syndromes in which the anticipated condition or treatment does not affect the assessment or outcome are not excluded.
  • Receipt of any B-cell depletion therapy (e.g., anti-CD20, anti-CD19 monoclonal antibody), including but not limited to zolmitriptan in rituximab, obinutuzumab, bortezomib, within 6 months prior to screening; or treatment with any biologic, such as, but not limited to, belimumab, anifrolumab, or tetracycline, within 1 month prior to screening.
  • Participants with known anaphylaxis, hypersensitivity, intolerance, or contraindication to NK010 Cell Injection, NK042 Cell Injection, RTX, or any of the components of the drugs that may be used in the study, or subjects who have had a previous severe allergic reaction.
  • Clinically significant central nervous system disease or pathological changes not due to lupus within 3 months prior to the first dose, including, but not limited to, cerebrovascular accident (ischemia/hemorrhage), aneurysm, epilepsy, convulsions/convulsions, aphasia, severe brain injury, dementia, parkinson's disease, cerebellar disorders, organic brain syndromes, or psychiatric disorders.
  • Unstable cardiovascular function: ① Uncontrollable angina pectoris or life-threatening unstable arrhythmia; ② Myocardial infarction or unstable angina pectoris within 3 months prior to the screening; ③ Previous coronary artery or graft revascularization; ④ Uncontrolled, clinically significant arrhythmia (e.g., sustained ventricular tachycardia, ventricular fibrillation, tip-twisting); ⑤ Mobitz type II Mobitz type II or III atrioventricular block; (6) congestive heart failure or severe cardiac insufficiency with New York Heart Association classification ≥ grade 3; (7) prolongation of the QT interval (QTc) corrected for heart rate (Fridericia) by > 480 milliseconds; (8) uncontrolled hypertension (systolic blood pressure >160 mm Hg and/or diastolic blood pressure > 100 mm Hg), or associated with hypertensive crisis or hypertensive encephalopathy.
  • Active bleeding.
  • Any active infection, excluding fungal infections of the nail beds; history of severe recurrent or chronic infections.
  • Presence of active infection treated with intravenous antibiotics within 14 days prior to screening, except for antibiotic prophylaxis (including intravenous administration).
  • Positive serum HIV viral antibodies or history of active HIV infection and positive syphilis antibodies at screening.
  • Positive Hepatitis B Surface Antigen (HBsAg). Participants who are HBsAg negative and Hepatitis B Core Antibody (HBcAb) positive, but Hepatitis B Virus (HBV) DNA negative are eligible for enrollment, but will require monitoring of HBV DNA at each follow-up visit.
  • Positive Hepatitis C Serology. Participants with hepatitis C antibodies positive but do not have detectable hepatitis C virus (HCV) RNA for at least 6 months after completion of antiviral therapy are eligible for enrollment, but require monitoring of HCV RNA at each follow-up visit.
  • Risk of active tuberculosis at screening, with or without completion of adequate treatment, including the presence of signs or symptoms of active tuberculosis (e.g., fever, cough, night sweats, and weight loss) as judged by the investigator at screening; documented active tuberculosis on chest imaging (e.g., chest x-ray, chest CT scan) performed at screening or at any time during the 6 months prior to screening; latent tuberculosis at screening evidence of infection such as a positive gamma-interferon release test.
  • Participants with a malignant tumor, including tumor-associated polymyositis/dermatomyositis, within 5 years prior to screening. Except for surgically resected and cured non-melanoma skin cancer, cervical carcinoma in situ, localized prostate cancer, low-stage bladder cancer, ductal carcinoma in situ of the breast, or cured participants with no evidence of recurrence within the last 2 years and no need for treatment.
  • Previous received cell therapy such as CAR-T, CAR-NK, ect.
  • Pregnant or lactating women, or (if of childbearing potential) subjects who are not using adequate contraception or planning to donate oocytes and sperm.
  • The presence of any life-threatening disease, medical condition, or organ system dysfunction that, in the opinion of the Investigator, may affect the safety of the subject or compliance with the study.

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

18 participants in 1 patient group

NK 010 or NK 042 infusion
Experimental group
Description:
Subjects with refractory SLE or LN will receive rituximab followed by NK010 or NK042.
Treatment:
Drug: Rituximab
Biological: NK 010 or NK042

Trial contacts and locations

1

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Central trial contact

Xueqing Yu, Ph.D; Li Fan

Data sourced from clinicaltrials.gov

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