JRCT ID: jRCT1032260104
Registered date:01/05/2026
A Study on the Effectiveness and Safety of Ultrasound Treatment for Skin Tightening
Basic Information
| Recruitment status | Recruiting |
|---|---|
| Health condition(s) or Problem(s) studied | Subjects with self-reported symptoms of skin sagging and concerns about skin quality associated with |
| Date of first enrollment | 01/05/2026 |
| Target sample size | 30 |
| Countries of recruitment | |
| Study type | Interventional |
| Intervention(s) | Ultrasound-based treatment for skin tightening |
Outcome(s)
| Primary Outcome | Efficacy Evaluation by Investigator Assessment of changes from baseline to post-treatment using 2D and 3D images obtained with a skin imaging device (Global Aesthetic Improvement Scale [GAIS]) Evaluation of effectiveness based on a standardized grading scale for perioral wrinkles |
|---|---|
| Secondary Outcome | Changes from Pre-treatment to Post-treatment 1) Changes in skin physiological parameters 2) Changes in epidermal and dermal thickness and density assessed by ultrasound imaging 3) Histological evaluation based on skin biopsy specimens 4) Brightness analysis using a skin imaging system 5) Subject-reported outcomes (questionnaire-based assessment) |
Key inclusion & exclusion criteria
| Age minimum | >= 35age old |
|---|---|
| Age maximum | < 70age old |
| Gender | Both |
| Include criteria | 1) Male or female subjects aged 35 to 70 years 2) Non-smokers 3) Subjects with symptoms of skin sagging associated with age-related changes 4) Subjects with self-reported concerns regarding skin quality associated with age-related changes 5) Subjects who are able to provide written informed consent voluntarily to participate in this study 6) Women of childbearing potential who are not postmenopausal must have been using a reliable method of contraception (e.g., hormonal contraceptives, intrauterine devices, surgical sterilization, or abstinence) for at least three months prior to enrollment and must continue to do so throughout the study period. 7) Participants must be able to comply with all study visit schedules specified in this study, including screening, treatment, and follow-up visits at 1 month, 3 months, and 6 months after treatment. |
| Exclude criteria | 1) Facial conditions - Presence of inflammatory skin disease or skin infection affecting the face - Presence of implanted metal stents or implants - Participants who have received any intradermal or subcutaneous injection treatments to the skin within 6 months prior to enrollment are excluded. This includes, but is not limited to, hyaluronic acid fillers, botulinum toxin products, polynucleotide preparations, autologous blood-derived therapies (e.g., PRP), and lipolytic injections. - Participants who have undergone cosmetic device-based treatments within 12 months prior to enrollment are excluded. This includes, but is not limited to, laser devices, radiofrequency (RF) devices, and ultrasound-based devices. - Use of home-use facial devices intended to improve skin sagging within 1 month prior to enrollment - Presence of significant scar tissue 2) Underlying medical conditions - Diagnosis of diabetes mellitus or autoimmune disease 3) Medication use - Use of tretinoin or other vitamin A derivatives (including oral and topical forms) within 2 weeks prior to enrollment 4) Pregnancy and lactation - Women who are pregnant, may be pregnant, are less than 3 months postpartum, or are breastfeeding 5) Other - Subjects deemed unsuitable for participation in this study by the principal investigator or sub-investigator |
Related Information
| Primary Sponsor | Osawa Sachiyo |
|---|---|
| Secondary Sponsor | |
| Source(s) of Monetary Support | |
| Secondary ID(s) |
Contact
| Public contact | |
| Name | Kyoko Inamasu |
| Address | Yushima, Bunkyo-ku,Tokyo Tokyo Japan 113-0034 |
| Telephone | +81-3-5807-8241 |
| info@tenjinshita-cl.jp | |
| Affiliation | Tenjinshita Dermatology and Plastic surgery |
| Scientific contact | |
| Name | Sachiyo Osawa |
| Address | Yushima, Bunkyo-ku,Tokyo Tokyo Japan 113-0034 |
| Telephone | +81-3-5807-8241 |
| info@tenjinshita-cl.jp | |
| Affiliation | Tenjinshita Dermatology and Plastic surgery |