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Not yet recruitingNCT07423572Updated Feb 20, 2026

Clinical Study of Anti-CD19/BCMA Universal Chimeric Antigen Receptor T Cells (UCAR-T) in the Treatment of Refractory Idiopathic Membranous Nephropathy (IMN)

An Early Phase 1 interventional study of CD19/BCMA-Targeted Universal Chimeric Antigen Receptor T Cells (UCAR-T) infusing in Refractory Idiopathic Membranous Nephropathy, sponsored by The First Affiliated Hospital of Zhejiang Chinese Medical University. Not yet recruiting at 1 site in China. Open to participants aged 18 Years to 75 Years. Per ClinicalTrials.gov, last updated 2026-02-20.

Sponsored by The First Affiliated Hospital of Zhejiang Chinese Medical University · Early Phase 1, Interventional, and Treatment

Phase
Early Phase 1
Study type
Interventional
Enrollment
18
Allocation
Not applicable
Ages
18 Years to 75 Years
Sex
All
01

Where this study stands

Counted across the records on this site · 2026-11-12

Among 60 studies in Glomerulonephritis, Membranous with a site in China — 29 open to participants now, 37 under way, 10 of them phase 3. Glomerulonephritis, Membranous · China.

Planned enrollment
41st of 50
18 · median 77
Started
2026
with 5 others
Phase 1
7 of 60
6 open now
Primary completion
2028-02
later than 28 of 36 live
Registered
55th of 60
by date

Among the 60 studies in Glomerulonephritis, Membranous with a site in China, this one is the 41st largest by planned enrollment of the 50 interventional ones that give a count, is one of 6 that started in 2026, is one of 7 in phase 1, reaches primary completion later than 28 of the 36 other live ones, and was the 55th registered.

Glomerulonephritis, Membranous

144 studies on the registry are indexed under Glomerulonephritis, Membranous; 58 are open to participants now.

Browse Glomerulonephritis, Membranous studies →

Open to participants now

29 of the 60 studies in Glomerulonephritis, Membranous with a site in China are open now. Recruiting first, the newest first:

24 more — sign in →

All 29 open studies →

A study can be open while its sites in China have not opened yet or have stopped. Only those recruiting at a site in China →

Who these studies take

Of the 40 Glomerulonephritis, Membranous studies recruiting now, 14 (35%) set no upper age limit and 13 (33%) stop at 75 or younger; 7 take children under 18; 2 take healthy volunteers.

This study: 18 Years to 75 Years · all sexes · no healthy volunteers.

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02

Study summary

A single arm, open-label pilot study is designed to determine the safety and effectiveness of anti-CD19/BCMA Universal Chimeric Antigen Receptor T Cells (UCAR-T) in the Treatment of Refractory Idiopathic Membranous Nephropathy (IMN)

03

Conditions studied

  • Refractory Idiopathic Membranous Nephropathy
04

Who can participate

Ages eligible
18 Years to 75 Years
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  1. Aged 18 to 75 years inclusive, either gender;
  2. Adequate function of major organs as defined below:

    1. ≥ 1.0 × 10⁹/L, ≥ 60 g/L, count ≥ 50 × 10⁹/L;
    2. Hepatic function: ≤ 3 × ; AST ≤ 3 × ULN; total (TBIL) ≤ 1.5 × ULN;
    3. Coagulation function: (INR) ≤ 1.5 × ULN, prothrombin time (PT) ≤ 1.5 × ULN;
    4. Cardiac function: hemodynamically stable, (LVEF) ≥ 50%;
  3. Female subjects of and male subjects whose partners are women of childbearing potential must use a medically acceptable method or practice abstinence during study treatment and for at least 6 months after the end of treatment.Female subjects of childbearing potential must have a negative serum HCG test within 7 days prior to enrollment and must not be breastfeeding;
  4. Voluntarily agree to participate in this clinical study, provide written , demonstrate good compliance, and be willing to comply with follow-up procedures;
  5. Diagnosis of primary membranous nephropathy confirmed by renal pathology;
  6. Meet the clinical criteria for high-risk or membranous nephropathy, defined as:

    High-risk patients meeting any of the following:

    1. Estimated (eGFR, CKD-EPI equation) \< 60 mL/min/1.73 m², and/or urinary protein > 8 g/day for ≥ 6 months;
    2. Normal eGFR, urinary protein > 3.5 g/day despite ACEI/ARB treatment for 6 months with \< 50% reduction in proteinuria, plus serum albumin \< 25 g/L or anti-PLA2R antibody (aPLA2R) > 50 RU/mL; Refractory membranous nephropathy: inadequate response or resistance to prior therapy (including and/or cytotoxic agents, immunosuppressants and/or biologics), defined as persistent urinary protein ≥ 3.5 g/day with \< 50% reduction from baseline; Relapsed membranous nephropathy: recurrence (24-hour urinary protein ≥ 3.5 g) after achieving complete or partial remission (CR/PR) following treatment;
  7. For relapsed/refractory membranous nephropathy patients during screening: eGFR ≥ 45 mL/min/1.73 m².

Exclusion criteria

Exclusion Criteria:

  1. Subjects with known allergic reaction, , intolerance, or to CD19/BCMA universal CAR-T or any components of the study drugs (including fludarabine, cyclophosphamide, and tocilizumab), or a history of severe allergic reaction in the past.
  2. Presence or suspicion of uncontrolled or treatable fungal, bacterial, viral, or other infections.
  3. Central nervous system diseases caused by or non-autoimmune diseases (including epilepsy, psychosis, organic brain syndrome, cerebrovascular accident, encephalitis, central nervous system vasculitis).
  4. Subjects with severe cardiac diseases, such as angina pectoris, myocardial infarction, heart failure, arrhythmia, etc.
  5. Subjects with congenital immunoglobulin deficiency.
  6. Subjects with other malignant tumors (excluding non-melanoma skin cancer and carcinoma in situ of the cervix, bladder, or breast with disease-free survival > 5 years).
  7. Subjects with end-stage renal failure.
  8. Subjects positive for surface antigen (HBsAg) or hepatitis B core antibody (HBcAb) with HBV DNA titer above the upper limit of detection; subjects positive for virus (HCV) antibody and HCV RNA; subjects positive for (HIV) antibody; subjects with positive syphilis test.
  9. Subjects with psychiatric disorders and severe cognitive impairment.
  10. Subjects who participated in other clinical trials within 6 months prior to enrollment.
  11. Pregnant or lactating females, or females intending to become pregnant during the study.
  12. Subjects with hypertension or diabetes mellitus that cannot be controlled by medication.
  13. Subjects for whom the investigator considers there are other reasons for ineligibility.
  14. Secondary membranous nephropathy (e.g., associated with hepatitis B, systemic lupus erythematosus, drug-related, -related, etc.), or concurrent renal disease confirmed by renal .
  15. Type 1 or type 2 diabetes mellitus.
Terms in these criteria, in plain language(23)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Absolute neutrophil count (ANC)

The number of neutrophils, white blood cells that help fight infection, in a given amount of blood. Too few raises the risk of infection.

It is a count, not a percentage of the white cells. Limits are written in units that mean the same: ≥ 1.5 × 10⁹/L is ≥ 1,500 per mm³ (µL). Each lab has its own reference range.

Hemoglobin (Hb)

The protein in red blood cells that carries oxygen. A low level is anaemia, which can cause tiredness and breathlessness. Measured in g/dL or g/L (9 g/dL is 90 g/L).

Platelets

Blood cells that help blood clot. Too few raises the risk of bleeding and bruising. A usual adult range is about 150–400 × 10⁹/L (150,000–400,000 per µL); each lab has its own reference range.

ALT and AST (liver enzymes)

Two enzymes measured in a routine blood test of the liver. Higher levels can mean the liver is under strain or damaged. SGPT and SGOT are older names for ALT and AST.

Criteria usually give a limit as a multiple of the upper limit of normal (ULN), often higher when cancer has spread to the liver.

ULN (upper limit of normal)

The top of the normal range for a blood test, as set by the laboratory that runs it. Each lab prints its own range next to your result.

“≤ 2.5 × ULN” means the result can be up to two and a half times that top value.

Bilirubin

A yellow substance made when red blood cells are broken down, which the liver clears. A high level can mean a problem with the liver or the bile ducts.

Criteria often allow more for people with Gilbert’s syndrome, a harmless inherited condition that raises bilirubin.

INR, PT and aPTT (clotting tests)

Blood tests of how long blood takes to clot. The INR is the prothrombin time (PT) put on a common scale; about 1 is usual for someone not taking a blood thinner.

Criteria often make an exception for people on a blood thinner such as warfarin, whose INR is raised on purpose.

LVEF (left ventricular ejection fraction)

The share of blood the heart’s main pumping chamber (the left ventricle) pushes out with each beat, measured by an echocardiogram (heart ultrasound) or a MUGA scan. About 50–70% is normal.

Childbearing potential

Able to become pregnant: from the first period until menopause, unless permanently unable to through surgery (removal of the womb, or of both ovaries or both fallopian tubes).

Criteria for people of childbearing potential usually ask for a negative pregnancy test and for contraception during the study and for a time after it.

Contraception

Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.

Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

Biopsy and archival tissue

A biopsy takes a small piece of tissue to examine. “Archival tissue” is a sample already taken, for example at diagnosis, and kept by the hospital.

Whether a stored sample will do depends on when it was taken, how much there is and what the study needs. Ask whether the study accepts your stored sample or needs a new biopsy.

Relapsed and refractory

Relapsed: the illness came back after treatment had worked. Refractory: it did not respond to treatment, or stopped responding while still on it.

GFR and eGFR (kidney filtering)

GFR (glomerular filtration rate) is how much blood the kidneys filter each minute. It is usually estimated from a blood test — eGFR, by formulas such as CKD-EPI or MDRD — and some studies ask for it to be measured directly instead. Usually given in mL/min/1.73 m².

Check the method, the units and the minimum the study states. A value of 90 or above is in the normal-or-high range, but kidney damage can show in other tests too.

Immunosuppression

A weakened immune system. It can come from an illness, such as HIV or some blood cancers, or from medicines that turn the immune system down, for example after an organ transplant or for an autoimmune disease; steroids at higher doses count.

Read whether the line is about a condition or about medicines, and which medicines and doses it means.

Corticosteroids (steroids)

Anti-inflammatory medicines such as prednisone, prednisolone and dexamethasone — not the anabolic steroids used for muscle.

Studies differ in what they allow: check which steroid medicines, routes (tablets, injections, creams, inhalers, eye drops) and doses this study accepts.

Hypersensitivity

An allergy, or another reaction of the immune system, to a substance. “Hypersensitivity to the study drug” means a known allergic reaction to it — not every side effect a medicine can have.

Contraindication

A reason a treatment, test or procedure should not be given to a particular person, such as an allergy, another illness or a medicine they take.

Autoimmune disease

A condition in which the immune system attacks the body’s own tissues, such as rheumatoid arthritis, lupus, psoriasis, type 1 diabetes or inflammatory bowel disease.

Immunotherapy studies often leave out active autoimmune disease, and some name exceptions, such as thyroid disease on replacement hormone. Check the exceptions this study lists.

Hepatitis B tests

Hepatitis B is a virus that infects the liver. These are separate tests: HBsAg positive usually means a current infection (a recent vaccination can briefly cause it too); total anti-HBc (HBcAb) positive means an infection now or in the past; HBV DNA measures how much virus is in the blood.

Some studies accept a past infection if HBV DNA is undetectable, sometimes with antiviral medicine during the study. Check what this study allows.

Hepatitis C tests

Hepatitis C is a virus that infects the liver. An HCV antibody test can stay positive after an infection has cleared (and is occasionally positive without one); an HCV RNA test shows whether the virus is there now.

After treatment, hepatitis C counts as cured when HCV RNA is still undetectable 12 weeks or more after the treatment ended. Studies often accept people cured this way.

HIV

The human immunodeficiency virus, which weakens the immune system.

Many studies now accept people whose HIV is controlled on treatment, judged by the viral load and the CD4 count. Check the limits this study sets.

Cancer (malignancy)

Malignancy means cancer. Criteria about another or earlier malignancy ask whether you have had a different cancer, usually within a set number of years.

Some are commonly allowed, such as treated skin cancers other than melanoma and early cancers removed completely — check the exceptions this study lists.

05

Study design

Phase
Early Phase 1
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
18 participants (estimated)

Study arms

  • Experimental
    KN3601

    Patients will receive Fludarabine and Cyclophosphamide on day-5, -4, and -3. Single dose of anti-CD19/BCMA Universal Chimeric Antigen Receptor T Cells (KN3601) will infused using dose-escalation strategy.

    Drug: CD19/BCMA-Targeted Universal Chimeric Antigen Receptor T Cells (UCAR-T) infusing

Interventions

  • DrugCD19/BCMA-Targeted Universal Chimeric Antigen Receptor T Cells (UCAR-T) infusing

    Patients will receive Fludarabine and Cyclophosphamide on day-5, -4, and -3. Single dose of CD19/BCMA-Targeted Universal Chimeric Antigen Receptor T Cells (KN3601) will infused using dose-escalation strategy.

06

What researchers measure

Primary outcomes

  1. Incidence of Dose-Limiting Toxicity (DLT)

    To characterize the safety of anti-CD19/BCMA U CAR T Cells (KN3601) for patients with Refractory Idiopathic Membranous Nephropathy

    Time frame: up to 24 months after infusion

  2. The overall response rate (ORR)

    To characterize the efficacy of anti-CD19/BCMA U CAR T Cells (KN3601) for patients with Refractory Idiopathic Membranous Nephropathy

    Time frame: up to 24 months after infusion

07

Study locations

1 site
08

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reached

Start is estimated for Feb 2026; primary completion for Feb 2028, 24 months later.

How these figures are worked out, and which studies are left out of them.

Registered
Feb 14, 2026
First posted
Feb 20, 2026
StartEst.
Feb 28, 2026
Primary completionEst.
Feb 28, 2028
CompletionEst.
Sep 28, 2029
Last update
Feb 20, 2026
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Feb 20, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT07423572
Lead sponsor
The First Affiliated Hospital of Zhejiang Chinese Medical University
Responsible party
Sponsor
First posted
Feb 20, 2026
Start date
Feb 28, 2026 (estimated)
Primary completion
Feb 28, 2028 (estimated)
Completion
Sep 28, 2029 (estimated)
Last update
Feb 20, 2026

Study contacts

Qiang He
Contact
strong_he@163.com
+86-13588870088

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is not yet recruiting, as verified in Jan 2026. You cannot join it, but the record below documents what was studied.

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