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AN OUTPATIENT, RANDOMIZED, DOUBLE-BLINDED, PLACEBO-CONTROLLED, CROSS-OVER STUDY OF THE EFFICACY OF ARS-2 IN PATIENTS WITH CHRONIC SPONTANEOUS URTICARIA

Status
Not yet recruiting
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2025-521930-27-00
Acronym
EPI-U02
Enrollment
22
Registered
2025-08-27
Start date
Unknown
Completion date
Unknown
Last updated
2025-12-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic Spontaneous Urticaria (CSU)

Brief summary

• Change in itch score (Uniform Assessment System [UAS] as compared to placebo at each timepoint on exacerbation days • Change in hive score (UAS) as compared to placebo at each timepoint on exacerbation days

Detailed description

• Time to a 1-point decrease in itch and hive scores (UAS) • Time to a 2-point decrease in itch and hive scores (UAS) • Time to resolution • Time to recurrence within 24 hours, • Time to a 1-point decrease in itch and hive scores (UAS) • Time to a 2-point decrease in itch and hive scores (UAS) • Time to resolution • Time to recurrence within 24 hours, • Time to return to resolution by patient-rated visual analog scale (VAS) • Time to recurrence of symptoms within 24 hours • Change in pain (VAS) • Change in size of angioedema based on photographs, • Adverse events (AEs)

Interventions

DRUGEPINEPHRINE NASAL SPRAY
DRUGPlacebo Nasal Spray

Sponsors

Ars Pharmaceuticals IRL Limited
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to 64 Years

Design outcomes

Primary

MeasureTime frame
• Change in itch score (Uniform Assessment System [UAS] as compared to placebo at each timepoint on exacerbation days • Change in hive score (UAS) as compared to placebo at each timepoint on exacerbation days

Secondary

MeasureTime frame
• Time to a 1-point decrease in itch and hive scores (UAS) • Time to a 2-point decrease in itch and hive scores (UAS) • Time to resolution • Time to recurrence within 24 hours, • Time to a 1-point decrease in itch and hive scores (UAS) • Time to a 2-point decrease in itch and hive scores (UAS) • Time to resolution • Time to recurrence within 24 hours, • Time to return to resolution by patient-rated visual analog scale (VAS) • Time to recurrence of symptoms within 24 hours • Change in pain (VAS) • Change in size of angioedema based on photographs, • Adverse events (AEs)

Countries

Germany

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026