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A phase II/III study of TAC-202 in patients with chronic idiopathic urticaria

A double-blind, placebo-control, randomized, dose-finding phase II/III study to evaluate the efficacy and safety of TAC-202 in patients with chronic idiopathic urticaria

Status
Unknown
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2080222523
Enrollment
300
Registered
2014-06-16
Start date
2014-06-16
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Patients with Chronic idiopathic urticaria

Interventions

Sponsors

Taiho Pharmaceutical Co., Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Subjects with a documented history of chronic urticaria for at least 4 weeks prior to consent acquisition.

Exclusion criteria

Exclusion criteria: Subjects with any of the following diseases that may hinder efficacy evaluation. Acute eczema/ Chronic eczema/ Contact dermatitis/ Atopic dermatitis/ Nummular eczema/ Autosensitization dermatitis/ Pompholyx eczema/ Asteatotic eczema/ Lichen simplex chronicus/ Acute prurigo/ Subacute prurigo/ Chronic prurigo/ Systemic pruritus/ Regional pururitus/ Vascular edema/ Cholinergic urticarial/ Mechanical urticaria (chill, sunlight, warmth/heat, delayed pressure, water, vibration)/ Aspirin-induced urticarial/ Urticaria associated with vasculitis or collagen disorder/ Urticaria of known origin/ Urticaria related to the thyroid gland/ Urticaria pigmentosa/ Food-dependent motofacient anaphylaxis/ Schnitzler syndrome/ CAPS (cryopyrin associated periodic syndrome)/ Psoriasis/ Ichthyosis Subjects who previously developed anaphylaxis to antihistamine drugs or ingredients in the investigational drug.

Design outcomes

Primary

MeasureTime frame
Change in mean of patient's TSS (sum of synthetic score of the rash and itch score (mean of daytime and night time)) from baseline after the treatment To evaluete the symptoms score by subjects using the patient's diary card.

Secondary

MeasureTime frame
General improvement factor To evaluete the General improvement factor by investigator. Incidences of adverse events and adverse drug reactions Systolic and diastolic pressure, Pulse, Temperature, Clinical lab, Physical examination.

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026