Long-term Efficacy and Recurrence Rate Study after Complete Clearance of Café-au-lait Macules with Q-switched 1064 nm Laser

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2500115610

Enrollment

Unknown

Registered

2025-12-29

Start date

2026-01-01

Completion date

Unknown

Last updated

2026-01-05

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

Conditions

Café-au-lait macules

Interventions

Q1064nm group:1064 nm Q-switched Nd:YAG laser therapy

Eligibility

Sex/Gender

All

Age

No minimum to 75 Years

Inclusion criteria

Inclusion criteria: 1. Patients with café-au-lait macules who have achieved clinical pigment clearance (pigment clearance rate = 75%, VAS = 4 points); 2. Age >= 1 month; 3. After fully understanding the treatment plan and risks, the patient or their guardian voluntarily signs the informed consent form, agrees to participate in the trial, and cooperates with follow-up.

Exclusion criteria

Exclusion criteria: 1. Patients with other diseases associated with café-au-lait macules; 2. Patients with active infection, abscess, or ulceration at the treatment site; 3. Patients allergic to local anesthetics; 4. Pregnant or lactating women; 5. Patients currently participating in other clinical trials.

Design outcomes

Primary

Measure	Time frame
Safety evalution;Subjective Visual Assessment Score;	—

Secondary

Measure	Time frame
Pigment clearance rate;	—

Countries

China

Contacts

Public ContactLin Xiaoxi

Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine

linxiaoxi@126.com+86 137 0199 7136

Outcome results

None listed

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