Skip to content

A Comparative Study of Calcium Hydroxylapatite Dermal Filler as Monotherapy and as Combination Therapy with Microfocused Ultrasound for Facial Acne Scar Treatment

A Comparative Study of Calcium Hydroxylapatite Dermal Filler as Monotherapy and as Combination Therapy with Microfocused Ultrasound for Facial Acne Scar Treatment

Status
Recruiting
Phases
Phase 4
Study type
Interventional
Source
TCTR
Registry ID
TCTR20190417008
Enrollment
20
Registered
2019-04-17
Start date
2019-07-01
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

facial acne scar acne scar face filler microfocused ultrasound

Interventions

One side of the face is randomly selected to receive 1.5mL injection of mixture of calcium hydroxylapatite dermal filler and 2% lidocaine without epinephrine (mixture ratio 1:1),Another side of the fa
hatch pattern. (total 80 lines)
Active Comparator Device,Experimental Device
calcium hydroxylapatite dermal filler only,calcium hydroxylapatite dermal filler and microfocused ultrasound

Sponsors

Division of Dermatology, Ramathibodi Hospital
Lead Sponsor
Merz Healthcare (Thailand) Company Limited
Collaborator

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: - Moderate severity of acne scar on both side of the face based on Goodman acne scarring classification - Goodman acne scarring classification scores are not differed more than 1 point between both sides of the face. - Cease topical vitamin A derivatives for at least 2 weeks (washout period)

Exclusion criteria

Exclusion criteria: - Having active infection on treatment site - Having open wound on treatment site - Having uncontrolled acne vulgaris - Pregnant or lactating women - Having a history of skin cancer - Having a history of allergy to any filler materials - Immunocompromised - Having history of recurrent herpes infection - Had taken oral vitamin A within 3 months prior to the study initiation - Had chemical peeling within 1 month prior to the study initiation - Had laser or focused ultrasound treatment of the face within 3 months prior to the study initiation - Having dental root diseases or had dental root procedures - Having metal implant on treatment site

Design outcomes

Primary

MeasureTime frame
Scar volume Baseline, 2, 4, 8, 12, and 24 weeks after treatment measured using Antera 3D (Miravex Limited, Ireland) in millimetre cubed,Goodman acne scarring classification score 2, 4, 8, 12, and 24 weeks after treatment Dermatologist evaluation of severity of acne scar based on given range of scores,ECCA grading scale 2, 4, 8, 12, and 24 weeks after treatment Dermatologist evaluation of severity of acne scar based on given range of scores

Secondary

MeasureTime frame
Improvement score 2, 4, 8, 12, and 24 weeks after treatment Patient evaluation of improvement in severity of acne scar using visual analogue scale,Side effect occurance 2, 4, 8, 12, and 24 weeks after treatment Dermatologist evaluation and patients' feedback

Contacts

Public ContactVasanop Vachiramon

Division of Dermatology, Department of medicine, Faculty of Medicine, Ramathibodi hospital

vasanop@gmail.com662011166

Outcome results

None listed

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