This is a multicenter, open-label, single-dose, dose-escalation study evaluating the safety and tolerability of intravenous (IV) KINE-101 in patients with corticosteroid-refractory chronic inflammatory demyelinating polyneuropathy (CIDP). On Day 1, subjects receive a single IV dose of KINE-101 at the assigned cohort level and are discharged on Day 3, approximately 48 hours after investigational product (IP) administration, once all required in-clinic assessments have been completed. Safety assessments (including dose-limiting toxicities \[DLTs\], adverse events, clinical laboratory tests, vital signs, physical examinations, and 12-lead ECGs), exploratory efficacy evaluations, and PK/PD assessments are conducted through Day 28 in accordance with the schedule of assessments. Exploratory efficacy assessments through Day 28 include changes from baseline in the following clinical measures: Inflammatory Neuropathy Cause and Treatment (INCAT) disability score, Medical Research Council (MRC) total sum score, Inflammatory Rasch-Built Overall Disability Scale (I-RODS), Timed Up-and-Go (TUG) test, mean grip strength, and the Overall Neuropathy Limitations Scale (ONLS). Pharmacodynamic (PD) assessments include immunophenotyping of CD4+ T-cell subsets (CD4, CD25, FOXP3, CD39, CD69, CTLA-4, LAG-3, TNFR2, TIGIT, CCR5, and CXCR3); measurement of serum cytokines and immunoglobulins (IgM, IgG, IL-2, IL-6, IL-10, IL-17, IFN-γ, MCP-1, and TGF-β); evaluation of autoantibody and complement markers (antinuclear antibodies, anti-SM, anti-RNP, anti-SSA, anti-double-stranded DNA antibodies, and complement C4); and additional laboratory parameters related to systemic inflammation. Dose escalation follows a standard 3+3 design based on review of safety, including DLTs, in the preceding cohort. Three KINE-101 dose cohorts are planned: Cohort 1 (120 mg), Cohort 2 (240 mg), and Cohort 3 (360 mg). If safety and tolerability are deemed acceptable in a given cohort, enrollment proceeds sequentially to the next higher dose level.
Age range
19 Years
Sex
ALL
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Incidence of Adverse Events (AEs)
Timeframe: Day 1 to Day 28
Number of Participants with Clinically Significant Abnormal Hematology
Timeframe: Day 1 to Day 28
Number of Participants with Clinically Significant Abnormal Clinical Chemistry
Timeframe: Day 1 to Day 28
Number of Participants with Clinically Significant Abnormal Urinalysis
Timeframe: Day 1 to Day 28
Number of Participants with Clinically Significant Abnormal Vital Signs
Timeframe: Day 1 to Day 28
Number of Participants with Clinically Significant Abnormal Physical Examination
Timeframe: Day 1 to Day 28
Number of Participants with Clinically Significant Abnormal Electrocardiogram
Timeframe: Day 1 to Day 28