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Safety and Tolerability of IBI355 in Patients With Primary Sjogren's Syndrome

Phase 1
Active, not recruiting
Conditions
Primary Sjögren's Syndrome
Interventions
Drug: IBI355 placebo
Registration Number
NCT06484855
Lead Sponsor
Innovent Biologics (Suzhou) Co. Ltd.
Brief Summary

This study aims to evaluate the safety, tolerability, pharmacokinetics and pharmacodynamics of multiple ascending doses of IBI355 in primary Sjogren's syndrome (pSS) patients. This study also aims to evaluate the anti-Drug antibody after multiple ascending doses of IBI355 in pSS patients.

Detailed Description

Not available

Recruitment & Eligibility

Status
ACTIVE_NOT_RECRUITING
Sex
All
Target Recruitment
30
Inclusion Criteria
  1. Understand and sign the informed consent form;
  2. Age ≥ 18 years, male or female;
  3. Body Mass Index (BMI) within the range of 18.0 to 28.0 kg/m² (inclusive);
  4. Meet the 2016 American College of Rheumatology (ACR)/European League Against Rheumatism (EULAR) classification criteria for Sjögren's Syndrome;
  5. Positive for anti-Sjögren's syndrome A autoantibodies (SSA) and/or anti-Sjögren's syndrome B autoantibodies (SSB);
  6. Unstimulated whole salivary flow rate > 0 ml/min;
Exclusion Criteria
  1. Individuals who have had allergic reactions to any components of IBI355, have allergic diseases, or possess an allergic constitution;
  2. Those who cannot tolerate frequent venipuncture procedures;
  3. Participants diagnosed with secondary Sjögren's syndrome, or whose clinical symptoms (or laboratory abnormalities) require explanation by another connective tissue disease (such as systemic lupus erythematosus, mixed connective tissue disease, etc.).
  4. Subjects paticipated in the other clinical trail in 1 month or less than 5 t1/2 since the previous clinical trial (which is longer);
  5. Subjects with an infection requiring systemic medication was present within 30 days prior to randomization;
  6. HIV-Ab、RPR、HCV-Ab、HBV、HBeAg or HBcAb, one of them positive;
  7. There have a clinical or imaging evidence that the subject with active tuberculosis, or there is evidence that the subject is in the incubation period for tuberculosis;

6.Patients with a history of central nervous system, cardiovascular system, digestive system, respiratory system, urinary system, blood system, metabolic disorders and other systemic diseases; 7. Subject with a hcg positive; 8.Patients with a history of neuropsychiatry or who are considered unfit to participate in this clinical trial; 9.Patients with pulmonary interstitial fibrosis, or those requiring combined antifibrotic drug therapy, or those with abnormal lung function that the investigators determined was not suitable for this study; 10. Need to use other drugs that could cause xerostomia during the study.

Study & Design

Study Type
INTERVENTIONAL
Study Design
SEQUENTIAL
Arm && Interventions
GroupInterventionDescription
IBI355 15mg/kgIBI355IBI355 15mg/kg and placebo will be given to the subjects every 4 weeks (8:2)
IBI355 30mg/kgIBI355 placeboIBI355 30mg/kg and placebo will be given to the subjects every 4 weeks (8:2)
IBI355 7.5mg/kgIBI355IBI355 7.5mg/kg and placebo will be given to the subjects every 4 weeks (8:2)
IBI355 7.5mg/kgIBI355 placeboIBI355 7.5mg/kg and placebo will be given to the subjects every 4 weeks (8:2)
IBI355 15mg/kgIBI355 placeboIBI355 15mg/kg and placebo will be given to the subjects every 4 weeks (8:2)
IBI355 30mg/kgIBI355IBI355 30mg/kg and placebo will be given to the subjects every 4 weeks (8:2)
Primary Outcome Measures
NameTimeMethod
Incidence of adverse events and serious adverse eventsup to week 24
Secondary Outcome Measures
NameTimeMethod
Clearance (CL) of multi-dose of IBI355Up to week 16
Half-life (t1/2) of multi-dose of IBI355Up to week 16
The ratio of Anti-drug antibody of multi-dose of IBI355Up to week 24
Area under the Curve(AUC) of multi-dose of IBI355Up to week 16
Peak serum concentration(Cmax) of multi-dose of IBI355Up to week 16

Trial Locations

Locations (1)

The First Affiliated Hospital of University of Science and Technology of China

🇨🇳

Hefei, Anhui, China

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