A Phase 2a Study of TAS5315 in Patients With Chronic Spontaneous Urticaria

NCT ID: NCT05335499

Last Updated: 2024-08-07

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

126 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-06-28

Study Completion Date

2023-12-22

Brief Summary

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The purpose of this study is to evaluate the efficacy and safety of TAS5315 in chronic spontaneous urticaria patients with an inadequate response to H1-antihistamines

Detailed Description

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The main purpose of this study is to assess the efficacy of TAS5315 in chronic spontaneous urticaria patients with an inadequate response to H1-antihistamines compared with placebo as measured by the change from baseline in weekly Urticaria Activity Score (UAS7) at week 12

Conditions

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Chronic Spontaneous Urticaria

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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TAS5315 Dose 1

Group Type EXPERIMENTAL

TAS5315 Dose 1

Intervention Type DRUG

Treatment period: oral administration for 12 weeks, QD

TAS5315 Dose 2

Group Type EXPERIMENTAL

TAS5315 Dose 2

Intervention Type DRUG

Treatment period: oral administration for 12 weeks, QD

TAS5315 Dose 3

Group Type EXPERIMENTAL

TAS5315 Dose 3

Intervention Type DRUG

Treatment period: oral administration for 12 weeks, QD

AS5315 Dose 4

Group Type EXPERIMENTAL

TAS5315 Dose 4

Intervention Type DRUG

Treatment period: oral administration for 12 weeks, QD

TAS5315 Dose 5

Group Type EXPERIMENTAL

TAS5315 Dose 5

Intervention Type DRUG

Treatment period: oral administration for 12 weeks, QD

Placebo

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

* Screening period: oral administration for 2 weeks, QD
* Treatment period: oral administration for 12 weeks, QD

Interventions

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TAS5315 Dose 1

Treatment period: oral administration for 12 weeks, QD

Intervention Type DRUG

TAS5315 Dose 2

Treatment period: oral administration for 12 weeks, QD

Intervention Type DRUG

TAS5315 Dose 3

Treatment period: oral administration for 12 weeks, QD

Intervention Type DRUG

TAS5315 Dose 4

Treatment period: oral administration for 12 weeks, QD

Intervention Type DRUG

TAS5315 Dose 5

Treatment period: oral administration for 12 weeks, QD

Intervention Type DRUG

Placebo

* Screening period: oral administration for 2 weeks, QD
* Treatment period: oral administration for 12 weeks, QD

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Aged 18 to 75 years
* Diagnosis of chronic spontaneous urticaria (CSU)
* Presence of itch and hives for at least 6 consecutive weeks prior to screening in spite of use of non-sedating H1-antihistamines for CSU
* UAS7 score ≥ 16 and HSS7 score ≥ 8 during 7 days prior to study entry
* In-clinic UAS ≥ 4 on study entry
* Willing and able to complete and Participate Daily for the duration of the study

Exclusion Criteria

* Diseases other than CSU with symptoms of urticaria or angioedema, including urticarial vasculitis, erythema multiforme, mastocytosis, or hereditary or acquired angioedema
* Atopic dermatitis, psoriasis, ichthyosis, or other skin disease associated with chronic itching
* Bleeding diathesis
* Uncontrolled hypertension disease states
* Treatment with omalizumab or other humanized anti-human IgE monoclonal antibody therapies used to treat CSU within 4 months prior to screening
* Nonresponse to omalizumab or other humanized anti-human IgE monoclonal antibody therapies
* Have been treated with other Bruton's Tyrosine Kinase inhibitors
* Pregnant or lactating women
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Taiho Pharmaceutical Co., Ltd.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Taiho Pharmaceutical Co., Ltd.

Role: STUDY_DIRECTOR

Taiho Pharmaceutical Co., Ltd.

Locations

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A site selected by Taiho Pharmaceutical Co., Ltd.

Ehime, , Japan

Site Status

A site selected by Taiho Pharmaceutical Co., Ltd.

Fukuoka, , Japan

Site Status

A site selected by Taiho Pharmaceutical Co., Ltd.

Gunma, , Japan

Site Status

A site selected by Taiho Pharmaceutical Co., Ltd.

Hiroshima, , Japan

Site Status

A site selected by Taiho Pharmaceutical Co., Ltd.

Ishikawa, , Japan

Site Status

A site selected by Taiho Pharmaceutical Co., Ltd.

Kagawa, , Japan

Site Status

A site selected by Taiho Pharmaceutical Co., Ltd.

Kumamoto, , Japan

Site Status

A site selected by Taiho Pharmaceutical Co., Ltd.

Obihiro, , Japan

Site Status

A site selected by Taiho Pharmaceutical Co., Ltd.

Osaka, , Japan

Site Status

A site selected by Taiho Pharmaceutical Co., Ltd.

Sapporo, , Japan

Site Status

A site selected by Taiho Pharmaceutical Co., Ltd.

Tokyo, , Japan

Site Status

A site selected by Taiho Pharmaceutical Co., Ltd.

Yokohama, , Japan

Site Status

Countries

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Japan

References

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Zuberbier T, Chantraine-Hess S, Hartmann K, Czarnetzki BM. Pseudoallergen-free diet in the treatment of chronic urticaria. A prospective study. Acta Derm Venereol. 1995 Nov;75(6):484-7. doi: 10.2340/0001555575484487.

Reference Type BACKGROUND
PMID: 8651031 (View on PubMed)

Zuberbier T, Aberer W, Asero R, Bindslev-Jensen C, Brzoza Z, Canonica GW, Church MK, Ensina LF, Gimenez-Arnau A, Godse K, Goncalo M, Grattan C, Hebert J, Hide M, Kaplan A, Kapp A, Abdul Latiff AH, Mathelier-Fusade P, Metz M, Nast A, Saini SS, Sanchez-Borges M, Schmid-Grendelmeier P, Simons FE, Staubach P, Sussman G, Toubi E, Vena GA, Wedi B, Zhu XJ, Maurer M; European Academy of Allergy and Clinical Immunology; Global Allergy and Asthma European Network; European Dermatology Forum; World Allergy Organization. The EAACI/GA(2) LEN/EDF/WAO Guideline for the definition, classification, diagnosis, and management of urticaria: the 2013 revision and update. Allergy. 2014 Jul;69(7):868-87. doi: 10.1111/all.12313. Epub 2014 Apr 30.

Reference Type BACKGROUND
PMID: 24785199 (View on PubMed)

Other Identifiers

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10063040

Identifier Type: -

Identifier Source: org_study_id

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