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A Phase 3 Randomized, Double-Blind, Placebo-Controlled, Multi-Center, Parallel-Group Study of Barzolvolimab in Participants with Cold Induced Urticaria and Symptomatic Dermographism (EMBARQ-COLDU and SD)

Status
Not yet recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2025-522583-32-00
Enrollment
80
Registered
2026-03-25
Start date
Unknown
Completion date
Unknown
Last updated
2026-03-25

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

Conditions

Cold-Induced Urticaria and Symptomatic Dermographism

Brief summary

• ColdU: Proportion of participants with complete response in Critical Temperature Threshold (CTT) following the TempTest® 4.0 at Week 12 • SD: Proportion of participants with complete response in Critical Friction Threshold (CFT) following the FricTest® 4.0 at Week 12

Detailed description

• ColdU: Change from baseline in CTT following the TempTest® at Week 12 • SD: Change from baseline in CFT following the FricTest® at Week 12, • ColdU: Proportion of participants with complete response in CTT following the TempTest® at Week 24 • SD: Proportion of participants with complete response in CFT following FricTest® at Week 24, • ColdU: Change from baseline in CTT following the TempTest® at Week 24 • SD: Change from baseline in CFT following the FricTest® at Week 24", • ColdU: Change from baseline in worst itch-numeric rating scale (WI-NRS) at Week 12 • SD: Change from baseline in worst itch-numeric rating scale (WI-NRS) at Week 12, • ColdU: Change from baseline in WI-NRS at Week 24 • SD: Change from baseline in WI-NRS at Week 24, • ColdU: Change from baseline in WI-NRSprovo following the TempTest® at Week 12 • SD: Change from baseline in WI-NRSprovo following the FricTest® at Week 12, • ColdU: Proportion of participants with complete response in CTT following the TempTest® at Week 4 • SD: Proportion of participants with complete response in CFT following FricTest® at Week 4, • ColdU: Change from baseline in CTT following the TempTest® at Week 4 • SD: Change from baseline in CFT following the FricTest® at Week 4, • ColdU: Change from baseline in worst hives-numeric rating scale (WH-NRS) at Week 12 • SD: Change from baseline in WH-NRS at Week 12, • ColdU: Change from baseline in WH-NRS at Week 24 • SD: Change from baseline in WH-NRS at Week 24, • ColdU: Proportion of participants with DLQI = 0-1 at Week 12 • SD: Proportion of participants with DLQI = 0-1 at Week 12, • Safety endpoints will include but not be limited to: • Incidence of treatment-emergent adverse events • Incidence of treatment-emergent serious adverse events • Incidence of treatment-emergent adverse events of special interest

Interventions

DRUGPlacebo prefilled syringes containing only the vehicle (containing 0 mg/mL barzolvolimab).

Sponsors

Celldex Therapeutics Inc.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
• ColdU: Proportion of participants with complete response in Critical Temperature Threshold (CTT) following the TempTest® 4.0 at Week 12 • SD: Proportion of participants with complete response in Critical Friction Threshold (CFT) following the FricTest® 4.0 at Week 12

Secondary

MeasureTime frame
• ColdU: Change from baseline in CTT following the TempTest® at Week 12 • SD: Change from baseline in CFT following the FricTest® at Week 12, • ColdU: Proportion of participants with complete response in CTT following the TempTest® at Week 24 • SD: Proportion of participants with complete response in CFT following FricTest® at Week 24, • ColdU: Change from baseline in CTT following the TempTest® at Week 24 • SD: Change from baseline in CFT following the FricTest® at Week 24", • ColdU: Change from baseline in worst itch-numeric rating scale (WI-NRS) at Week 12 • SD: Change from baseline in worst itch-numeric rating scale (WI-NRS) at Week 12, • ColdU: Change from baseline in WI-NRS at Week 24 • SD: Change from baseline in WI-NRS at Week 24, • ColdU: Change from baseline in WI-NRSprovo following the TempTest® at Week 12 • SD: Change from baseline in WI-NRSprovo following the FricTest® at Week 12, • ColdU: Proportion of participants with complete response in CTT following the Te

Outcome results

None listed

Source: EU CTIS · Data processed: Mar 26, 2026