Study of CM512 Injection in Subjects With Chronic Spontaneous Urticaria(CSU)

NCT ID: NCT07166211

Last Updated: 2025-09-16

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

NOT_YET_RECRUITING

Clinical Phase

PHASE2

Total Enrollment

48 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-09-15

Study Completion Date

2027-01-14

Brief Summary

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This study is a multicenter, randomized, double-blind, placebo-controlled phase II clinical study to evaluate the efficacy, safety, pharmacokinetics, pharmacodynamics, and immunogenicity of CM512 in subjects with CSU.

Detailed Description

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Conditions

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Chronic Spontaneous Urticaria (CSU)

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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Group 1

Group Type EXPERIMENTAL

CM512 injection

Intervention Type BIOLOGICAL

subcutaneous injection

Group 2

Group Type PLACEBO_COMPARATOR

placebo

Intervention Type DRUG

subcutaneous injection

Interventions

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CM512 injection

subcutaneous injection

Intervention Type BIOLOGICAL

placebo

subcutaneous injection

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Voluntarily sign the Informed Consent Form.
* Age ≥ 18 years old and ≤ 75 years old.
* Patients with a diagnosis of CSU before screening visit, and the duration was ≥6 months.
* Pruritus and wheals existed for more than 6 weeks before screening, despite regular H1-Antihistamines(AH) treatment during this period.
* A stable dose of the second-generation H1-Antihistamines(AH) has been continuously used for at least 3 days before screening, and the individual is willing to continue to use it stably as stipulated in the protocol during the study period.
* Within 7 days before randomization, UAS7≥16 and ISS7 ≥8.

Exclusion Criteria

* Not enough washing-out period for previous therapy.
* Planned major surgical procedure during the patient's participation in this study.
* Has ever experienced a systemic allergic reaction or immediate allergic reaction to any biological product (including any excipients).
* CM512 has been used before.
* Women who are pregnant or breastfeeding. During the study period, subjects who had plans to have children, or did not agree to contraception.
* With any medical or non-medical conditions that are not suitable for participation in this study by investigators.
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Keymed Biosciences Co.Ltd

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Litao Zhang

Role: PRINCIPAL_INVESTIGATOR

Tianjin Academy of Traditional Chinese Medicine Affiliate Hospital

Zuotao Zhao

Role: STUDY_CHAIR

Tianjin Academy of Traditional Chinese Medicine Affiliate Hospital

Locations

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Tianjin Academy of Traditional Chinese Medicine Affiliate Hospital

Tianjin, Tianjin Municipality, China

Site Status

Countries

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China

Central Contacts

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Qian Jia

Role: CONTACT

86+028-88610620

Other Identifiers

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CM512-112101

Identifier Type: -

Identifier Source: org_study_id

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