A Study to Investigate the Safety and Efficacy of YY003 in Adults with Moderate to Severe Glabellar Lines

NCT ID: NCT06481475

Last Updated: 2025-03-21

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

RECRUITING

Clinical Phase

PHASE2

Total Enrollment

174 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-01-09

Study Completion Date

2025-10-31

Brief Summary

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The study is a two-part (Part A and Part B) randomized double-blind vehicle-controlled multi-center study in a total of 174 participants with moderate to severe glabellar lines. The objective of this study is to test the safety, efficacy, immunogenicity of YY003, and compare to vehicel control, in improving the appearance of moderate to severe glabellar lines.

Detailed Description

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Conditions

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Moderate to Severe Glabellar Lines

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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Low dose YY003

Participants will receive a single dose over 5 injection sites on Day 1.

Group Type EXPERIMENTAL

YY003

Intervention Type BIOLOGICAL

Single treatment, intramuscularly injected into five sites. The total injection volume is 0.25 ml, 0.05 ml per site.

High dose YY003

Participants will receive a single dose over 5 injection sites on Day 1.

Group Type EXPERIMENTAL

YY003

Intervention Type BIOLOGICAL

Single treatment, intramuscularly injected into five sites. The total injection volume is 0.25 ml, 0.05 ml per site.

Vehicle control

Participants will receive a single dose over 5 injection sites on Day 1.

Group Type PLACEBO_COMPARATOR

Vehicle Control

Intervention Type BIOLOGICAL

Single treatment, intramuscularly injected into five sites. The total injection volume is 0.25 ml, 0.05 ml per site.

Interventions

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YY003

Single treatment, intramuscularly injected into five sites. The total injection volume is 0.25 ml, 0.05 ml per site.

Intervention Type BIOLOGICAL

Vehicle Control

Single treatment, intramuscularly injected into five sites. The total injection volume is 0.25 ml, 0.05 ml per site.

Intervention Type BIOLOGICAL

Eligibility Criteria

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Inclusion Criteria

1. Participants (male or female) must be ≥18 years old, at the time of signing the informed consent.
2. At screening and baseline, participants must have moderate to severe glabellar lines at maximum frown (grade 2 or 3 on the relevant 4-point scale), as assessed by both the investigator and the participant.
3. Male or female (inclusive of all gender identities) participants are eligible to participate if they agree to practice adequate contraceptive methods during the study period and for at least 3 months after the study drug administration. Contraceptive use should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies.
4. Participant must provide signed informed consent, including compliance with the requirements and restrictions listed in the informed consent form (ICF) and in this protocol.
5. Participant must have the time and ability to complete the study and comply with instructions, at the discretion of the investigator.

Exclusion Criteria

1. Known allergy or hypersensitivity to any components of the investigational product or any botulinum toxin serotype.
2. A history or presence of ptosis, significant facial asymmetry, excessive dermatochalasis at screening or baseline.
3. A history or presence of facial nerve palsy at screening or baseline.
4. A positive HIV, hepatitis B or hepatitis C test at screening.
5. History or presence of other concomitant diseases which are assessed by the investigator to be unsuitable for participation in this clinical research.
6. History of drug or alcohol abuse.
7. History or presence of epilepsy.
8. Have a serious mental disorder that, in the Investigator's opinion, may affect participant compliance with the study.
9. Female who is pregnant or breast feeding.
10. Abnormal laboratory tests that, in the Investigator's assessment, are not appropriate for participation in this study.
11. Participation in an investigational device or drug study within 30 days or 5 half-lives (whichever is longer) prior to screening.
12. Study center personnel, close relatives of the study center personnel, employees or close relatives of employees at the sponsor company.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Chongqing Claruvis Pharmaceutical Co., Ltd.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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St George Dermatology & Skin Cancer Centre

Sydney, New South Wales, Australia

Site Status RECRUITING

Skin Health Institute

Melbourne, Victoria, Australia

Site Status RECRUITING

Dermatology Institute of Victoria

Melbourne, Victoria, Australia

Site Status RECRUITING

Countries

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Australia

Central Contacts

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Pan Lin

Role: CONTACT

+86 18183052779

Sun Xiaoyun

Role: CONTACT

+86 13810399273

Facility Contacts

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Hong

Role: primary

0295874277

Foley

Role: primary

0396239400

Goodman

Role: primary

(03) 9826 4966

Other Identifiers

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YY003-001-US01

Identifier Type: -

Identifier Source: org_study_id

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