A Study of Cizutamig in Patients With Immunoglobulin A Nephropathy

NCT ID: NCT07135219

Last Updated: 2025-08-22

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ENROLLING_BY_INVITATION

Clinical Phase

EARLY_PHASE1

Total Enrollment

15 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-07-16

Study Completion Date

2027-01-31

Brief Summary

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The purpose of this study is to assess the safety, tolerability, PK, PD, immunogenicity, and preliminary clinical activity of cizutamig in patients with IgAN.

Detailed Description

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An Open-Label Study Evaluating the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, Immunogenicity, and Preliminary Clinical Activity of Cizutamig in Patients with Immunoglobulin A Nephropathy

Conditions

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Immunoglobulin A Nephropathy (IgAN)

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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A study of cizutamig in patients with immunoglobulin A nephropathy

Experlmental: Cizutamig intravenous intervention

Group Type EXPERIMENTAL

Biological: cizutamig

Intervention Type DRUG

Cizutamig will be dosed according to the protocol.

Interventions

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Biological: cizutamig

Cizutamig will be dosed according to the protocol.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* 18 to 75 years of age at the time of signing the informed consent form (ICF).
* Biopsy-confirmed IgAN as specified in the protocol.
* 24-hour urine protein excretion ≥1.0 g/day or 24-hour urine protein to creatinine ratio (uPCR) ≥0.75 g/g .
* Inadequate response to ≥1 of the therapies defined in the protocol.
* eGFR \>30 mL/min/1.73m2.

Exclusion Criteria

* Inadequate clinical laboratory parameters at Screening.
* Receipt of or inability to discontinue any of the following excluded therapies as specified in the protocol.
* Receipt of live vaccine within 4 weeks prior to Screening.
* MEST-C score of T2 from the Oxford IgAN classification schema. If MEST-scoring was not performed, the presence of \>50% tubular atrophy/interstitial fibrosis is exclusionary.
* Rapidly progressing glomerulonephritis with eGFR reduction ≥50% within 12 weeks of Screening.
* Secondary IgAN (eg, chronic liver disease, celiac disease, HIV).
* History of IgA vasculitis.
* Presence of any concomitant autoimmune disease .
* History of progressive multifocal leukoencephalopathy.
* History of primary immunodeficiency or a hereditary deficiency of the complement system.
* Central nervous system (CNS) disease .
* Presence of 1 or more significant concurrent medical conditions per investigator judgment.
* Diagnosis or history of malignant disease within 5 years prior to Screening.
* Tonsillectomy within 24 weeks prior to Screening.
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Peking University First Hospital

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Peking University First Hospital

Beijing, , China

Site Status

Countries

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China

Other Identifiers

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CND106-PUFH-1

Identifier Type: -

Identifier Source: org_study_id

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