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Efficacy of Microneedle Fractional Radiofrequency combined with Topical Insulin for the treatment of facial atrophic acne scar: A split-face, double-blinded, randomized, placebo-controlled trial

Efficacy of Microneedle Fractional Radiofrequency combined with Topical Insulin for the treatment of facial atrophic acne scar: A split-face, double-blinded, randomized, placebo-controlled trial

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
TCTR
Registry ID
TCTR20211203003
Enrollment
60
Registered
2021-12-03
Start date
2021-11-16
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

Acne scar Acne scar, topical insulin, microneedle fractional radiofrequency

Interventions

Microneedle fractional radiofrequency and then topical insulin apply at randomized side,Microneedle fractional radiofrequency and then topical NSS at another side
Experimental Procedure/Surgery,Placebo Comparator Procedure/Surgery
Microneedle fractional radiofrequency with topical insulin,Microneedle fractional radiofrequency alone

Sponsors

Division of Dermatology, Ramathibodi Hospital, Mahidol University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 50 Years

Inclusion criteria

Inclusion criteria: 1. No serious underlying conditions 2. Symmetrical facial acne scar 3. Agree to participate and signed informed consent form

Exclusion criteria

Exclusion criteria: 1. History of infection at facial area 2. Uncontrolled acne vulgaris 3. History of keloid scar or hypertrophic scar 4. Immunocompromised host 5. History of dermatological malignancy 6. History of herpes infection 7. History of using vitamin A derivatives within 3 months 8. History of laser treatment within 3 months 9. History of chemical peeling within 3 months 10. Underlying diabetes mellitus, connective tissue diseases, and photodermatoses 11. Allergic to insulin and topical anesthesic drugs 12. Pregnancy or lactation

Design outcomes

Primary

MeasureTime frame
Scar volume Every visit Percentage changes in scar volume

Secondary

MeasureTime frame
Subjective assessment by two blinded dermatologists Every visit ECCA Grading scale,Patient's evaluation of the improvement score 3 months after the end of the intervention Visual analogue scale,Patient's satisfaction evaluation 3 months after the end of the intervention Visual analogue scale,Side effects 0, 1,2,3,4 and 6 months after procedure Investigator's evaluation

Countries

Thailand

Contacts

Public ContactTeerapong Ratananukrom

Division of Dermatology, Ramathibodi Hospital, Mahidol University

rattspectrum@gmail.com0885953561

Outcome results

None listed

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