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A randomized, double-blind, placebo-controlled trial of microneedle patch containing vitamin C and retinaldehyde in treatment of atrophic acne scars

A randomized, double-blind, placebo-controlled trial of microneedle patch containing vitamin C and retinaldehyde in treatment of atrophic acne scars

Status
Active, not recruiting
Phases
Phase 1Phase 2
Study type
Interventional
Source
TCTR
Registry ID
TCTR20201005001
Enrollment
10
Registered
2020-10-05
Start date
2020-10-29
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

atrophic acne scars atrophic acne scars microneedles vitamin C retinaldehyde

Interventions

Vitamin C and retinaldehyde&#45
loaded dissolvable microneedles will be applied at acne scars on one side of face,Dissolvable microneedles alone will be applied at acne scars on another side of the same patient&#39
s face
Experimental Drug,Placebo Comparator No treatment
vitamin C and retinaldehyde&#45
loaded dissolvable microneedles ,microneedles without medication

Sponsors

Dermatology division, Department of internal medicine, King Chulalongkorn Memorial Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 50 Years

Inclusion criteria

Inclusion criteria: 1.male or female age over 18 years old 2.Symmetric mild-moderate atrophic acne scars on both sides of face 3.having the scars for more than 6 months but not more than 5 years 4.good compliance to the protocol

Exclusion criteria

Exclusion criteria: 1.patients with history of allergic reaction to retinoid or vitaminC 2.patients who are preganacy or lactating 3.patients with photosensitivity rash, skin infection or other dermatitis in the area of treatment 4.patients who cannot follow the protocol 5.previous facial aesthetic procedures such as filler injection, lasers in the area of treatment within 6 months prior to the recruitment 6.patients with history of hypertrophic scars

Design outcomes

Primary

MeasureTime frame
Acne scar depthness and melanin pigment; acne scar scores month 0,1,3,6 Antera 3D ® ; Qualitative scarring grading system

Secondary

MeasureTime frame
side effects and safety of vitamin C and retinaldehyde-loaded dissolvable microneedles month 0,1,3,6 Visual Analogue Scale (VAS) for pain score, tightness and pruritus score, patient satisfaction score

Countries

Thailand

Contacts

Public ContactChanat Kumtornrut

Faculty of Medicine, Chulalongkorn university

Chanat035@gmail.com66814594965

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026