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Juvelook® (VAIM, Korea) is made by dissolving irregular PDLLA particles in a solvent mixture of DMSO (Dimethylsulfoxide) and EC (Ethylene Carbonate) and then injecting them through microneedling to create reticulated foamy microspheres, which are hollow spherical particles. It received CE approval in Europe in 2020 and is widely used domestically as a material for tissue restoration, including skin fillers and collagen stimulators. The spherical shape with internal foam structure of PDLLA exhibits excellent biocompatibility, biodegradability, porosity, and mechanical strength. It allows for the control of particle size and acts as a collagen stimulator while gradually dissolving over time. This stimulates fibroblast cells and promotes skin rejuvenation. In clinical practice, Juvelook® particles are injected to address various concerns such as facial wrinkles, increased elasticity, depressed scars, acne scars, accident scars, under-eye hollows, freckles, whitening effects, and neck wrinkles. Therefore, this study aims to investigate the efficacy of Juvelook® not only in volume augmentation but also in improving photoaged skin.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| experimental | Experimental | administer PDLLA |
|
| active comparator | Active Comparator | administer saline |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| PDLLA | Drug | Administer PDLLA/saline every 2 weeks for 2.5 months |
|
| Measure | Description | Time Frame |
|---|---|---|
| change of lightness value | change of lightness value by a chromometer | Chromometer will be taken before treatment and 4,8,12 weeks after last treatment. |
| Measure | Description | Time Frame |
|---|---|---|
| patinent global assessment for skin condition | patinent global assessment for skin condition by a self-questionnaire | Questionnaire will be taken before treatment and 4,8,12 weeks after last treatment. |
| investigator global assessment score for pigmentation |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Ajou University Hospital | Suwon | South Korea |
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| ID | Term |
|---|---|
| D010859 | Pigmentation Disorders |
| ID | Term |
|---|---|
| D012871 | Skin Diseases |
| D017437 | Skin and Connective Tissue Diseases |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
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parallel assignment split lesion study
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investigator global assessment score for pigmentation by clinical photos |
| Photos will be taken before each treatment and 4,8,12 weeks after the final treatment. |
| Fitzpatrick wrinkle and elastosis scale | Fitzpatrick wrinkle and elastosis scale by clinical photos | Photos will be taken before each treatment and 4,8,12 weeks after the final treatment |