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A long-term follow-up study of a prospective, multicenter, randomized, parallel-group, assessor-blinded, non-inferiority clinical trial evaluating the efficacy and safety of human type I collagen lyophilized fibers for the correction of dynamic wrinkles (crow’s feet).

A long-term follow-up study of a prospective, multicenter, randomized, parallel-group, assessor-blinded, non-inferiority clinical trial evaluating the efficacy and safety of human type I collagen lyophilized fibers for the correction of dynamic wrinkles (crow’s feet).

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600125913
Enrollment
Unknown
Registered
2026-06-01
Start date
2026-08-01
Completion date
Unknown
Last updated
2026-06-08

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

Conditions

Dynamic wrinkles (Crow's Feet)

Interventions

observation group:None

Sponsors

Guangdong Second Provincial General Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. Participants who were enrolled and received treatment in the experimental group of the clinical trial titled "A Prospective, Multicenter, Randomized, Parallel-Group, Assessor-Blinded, Non-Inferiority Clinical Trial to Evaluate the Efficacy and Safety of Human Type I Collagen Lyophilized Fibers for the Correction of Dynamic Wrinkles (Crow’s Feet)" (Trial No.: JT202519ZZH). 2. Willing to participate voluntarily in this clinical trial and provide written informed consent.

Exclusion criteria

Exclusion criteria: Participants whom the investigator considers unsuitable for participation in this trial.

Design outcomes

Primary

MeasureTime frame
Treatment response rate (assessed by both the blinded evaluator and the injecting investigator);Global Aesthetic Improvement Scale (GAIS) assessment (evaluated by both the injecting investigator and the participant);Participant satisfaction assessment;Safety assessment;—

Countries

China

Contacts

Public ContactLuo Shengkang

Guangdong Second Provincial General Hospital

luoshengkang63@hotmail.com+86 137 1909 5959

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Jun 11, 2026