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Trial of JYB1904 in Chronic Spontaneous Urticaria.

Phase 2
Recruiting
Conditions
Chronic Spontaneous Urticaria
Interventions
Drug: JYB1904
Drug: Omalizumab
Registration Number
NCT06509334
Lead Sponsor
Jemincare
Brief Summary

This Phase II Trial is Meant to Evaluate the Efficacy, Safety and Tolerability of JYB1904 Injection in Patients With Chronic Spontaneous Urticaria.

Detailed Description

Not available

Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
135
Inclusion Criteria
  • Male or female adult subjects (≥18 years of age).
  • Diagnosis of Chronic Spontaneous Urticaria(CSU) ≥ 3 months prior to Screening Visit 1 and previously inadequately controlled with a second-generation H1 antihistamine.
  • Itching and hives lasting ≥ 6 weeks prior to Screening Visit 1.
  • Have a UAS7 (range 0 - 42) ≥ 16, an ISS7 (range 0 - 21) ≥ 6, and an HSS7 (range 0 - 21) ≥ 6 within 7 days prior to randomization.
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Exclusion Criteria
  • Induced urticaria with a defined trigger, including artificial urticaria (cutaneous scratches), cold-contact, heat-contact, solar, pressure, delayed-pressure, water-source, cholinergic, or contact urticaria
  • Any other dermatological condition with chronic itching, such as atopic dermatitis, herpetic pemphigoid, herpetic dermatitis, senile itching, or psoriasis, which in the opinion of the investigator may affect the study assessment and study results
  • Other conditions with symptoms of urticaria or angioedema, including but not limited to urticarial vasculitis, pigmented urticaria, erythema multiforme, mastocytosis, hereditary urticaria, or acquired/drug-induced urticaria.
  • Previous allergic reaction or poor efficacy with omalizumab.
  • Contraindication or hypersensitivity to antihistamines (e.g., fexofenadine, loratadine, desloratadine, cetirizine, levocetirizine, rupatadine, bilastine) or any of the ingredients.
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Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
JYB1904: Dose-1JYB1904-
JYB1904: Dose-2JYB1904-
OmalizumabOmalizumab-
Primary Outcome Measures
NameTimeMethod
Urticaria activity score used for 7 consecutive days(UAS7)Baseline through 16 weeks

Change from baseline in urticaria activity score used for 7 consecutive days (UAS7) at weeks 8, 12, and 16.Score 0-42, UAS7=0 for complete remission

Secondary Outcome Measures
NameTimeMethod
Urticaria activity score used for 7 consecutive days(UAS7)Baseline through 32 weeks

Proportion of subjects with UAS7=0 at weeks 4, 8, 12, 16, 24, 32.Score 0-42, UAS7=0 for complete remission

Itch severity score used for 7 consecutive days(ISS7)Baseline through 32 weeks

Change from baseline in itch severity score used for 7 consecutive days(ISS7) at weeks 4, 8, 12, 16, 24 and 32.Score 0-21, ISS7=0 for complete remission of itch

Hive severity score used for 7 consecutive days (HSS7)Baseline through 32 weeks

Change from baseline in hive severity score used for 7 consecutive days(HSS7) at weeks 4, 8, 12, 16, 24, 32.Score 0-21, HSS7=0 for complete remission of hives

Angioedema activity score used for 7 consecutive days(AAS7)Baseline through 32 weeks

Change from baseline in angioedema activity score used for 7 consecutive days(AAS7) at weeks 4, 8, 12, 16, 24, 32.Score 0-105, higher scores mean a worse outcome

Dermatology Life Quality Index(DLQI)Baseline through 32 weeks

Change from baseline in Dermatological Life Quality Index (DLQI) at weeks 4, 8, 12, 16, 24 and 32.Score 0-30, higher scores mean a worse outcome

Safety and tolerabilityBaseline through 32 weeks

Adverse events (AEs) and serious adverse events (SAEs)

Trends in serum total immunoglobulin E(IgE)Baseline through 32 weeks

Serum total IgE levels at weeks 4, 8, 12, 16, 24 and 32

Positive detection rate of anti-drug antibody (ADA)Baseline through 32 weeks

ADA positive detection rate at 32 weeks

Trial Locations

Locations (1)

Peking University People's Hospital

🇨🇳

Beijing, Beijing, China

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