Subcutaneous excision of needle and knife for treatment of sunken scar

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2100041947

Enrollment

Unknown

Registered

2021-01-10

Start date

2021-03-01

Completion date

Unknown

Last updated

2022-03-28

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

Conditions

Acne scarring

Interventions

Group 1:millineedle knife

Group 2:Waiting for treatment

Eligibility

Sex/Gender

All

Age

16 Years to 45 Years

Inclusion criteria

Inclusion criteria: (1) It was diagnosed as scar left after facial acne, stable for more than half a year; (2) Scar types include ice cone type, box type and rolling type; (3) Aged from 16 to 45 years.

Exclusion criteria

Exclusion criteria: (1) Patients with a history of needle sickness; (2) Acne activities and scar constitution; (3) Pregnant women and lactating women; (4) Facial skin infection or complicated by other systemic serious diseases.

Design outcomes

Primary

Measure	Time frame
Scar improvement;Adverse events;	—

Countries

China

Contacts

Public ContactQu Yongbin

Dermatology Hospital of Southern Medical University

qyb198@126.com+86 13924204510

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026