A Study of Cizutamig in Systemic Sclerosis

NCT ID: NCT07158996

Last Updated: 2025-09-08

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

NOT_YET_RECRUITING

Clinical Phase

EARLY_PHASE1

Total Enrollment

10 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-09-04

Study Completion Date

2027-08-31

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 SSc.

Detailed Description

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An Open-Label Study Evaluating the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, Immunogenicity, and Preliminary Clinical Activity of Cizutamig in Systemic Sclerosis

Conditions

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Systemic Sclerosis (SSc)

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 Systemic Sclerosis (Ssc)

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

1. 18 to 75 years old at the time of signing the informed consent form (ICF)
2. Diagnosis of SSc according to the 2013 American College of Rheumatology (ACR)/ European Alliance of Associations for Rheumatology (EULAR) classification criteria
3. Diffuse cutaneous SSc according to the LeRoy criteria
4. Positive for at least 1 SSc-specific parameter as specified in the protocol
5. Disease duration of ≤ 7 years
6. mRSS ≥ 15
7. Inadequate response to therapies defined in the protocol.

Exclusion Criteria

1. Inadequate clinical laboratory parameters at Screening
2. Receipt of or inability to discontinue any excluded therapies as specified in the protocol
3. Receipt of live vaccine within 4 weeks prior to Screening
4. Presence of any concomitant autoimmune disease other than the disease being studied
5. Receiving or anticipated to require total parenteral nutrition during the study
6. Active or history of intestinal pseudo-obstruction OR small intestinal bacteria overgrowth
7. Active or history of gastric antral vascular ectasia
8. Active digital ischemia with gangrene OR requiring antibiotics or amputation at Screening or during the study
9. Active or history of scleroderma renal crisis
10. History of progressive multifocal leukoencephalopathy
11. History of primary immunodeficiency or a hereditary deficiency of the complement system
12. Central nervous system (CNS) disease
13. Have presence of 1 or more significant concurrent medical conditions per investigator judgment
14. Have a diagnosis or history of malignant disease within 5 years prior to Screening
15. Inability to comply with contraception requirements as specified in the protocol
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Ruijin Hospital

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Central Contacts

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Chengde Yang

Role: CONTACT

13501717833

Qiongyi Hu

Role: CONTACT

18317071395

Other Identifiers

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CND106-RUJN -1

Identifier Type: -

Identifier Source: org_study_id

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