A Study of Cizutamig in Systemic Sclerosis

Shanghai Jiao Tong University

Status and phase: Not yet enrolling; Early Phase 1

Conditions: Systemic Sclerosis (SSc)

Treatments: Drug: Biological: cizutamig

Study type: Interventional

Funder types: Other

Identifiers

NCT07158996

CND106-RUJN -1

Details and patient eligibility

About

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

Full description

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

Enrollment: 10 estimated patients

Sex: All

Ages: 18 to 75 years old

Volunteers: No Healthy Volunteers

Inclusion and exclusion criteria

ICriteria: 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

Trial design

Primary purpose: Treatment

Allocation: N/A

Interventional model: Single Group Assignment

Masking: None (Open label)

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10 participants in 1 patient group

A study of cizutamig in patients with Systemic Sclerosis (Ssc)

Experimental group

Treatment:

Drug: Biological: cizutamig