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Clinical Trial Summary

1. Striae distensae (SD), also known as stretch marks, are common, permanent dermal lesions that can be symptomatic and are considered aesthetically undesirable; thus, they pose a significant psychosocial and therapeutic challenge. SD arise in areas of dermal stretching and most commonly occur on the abdomen, breasts, buttocks, and thighs. Most literature has described SD during pregnancy(striae gravidarum) and puberty, with reported prevalences varying from 11% to 88%. Hormonal influences, reduced genetic expression of fibronectin, collagen, and elastin, and mechanical stretching of the skin have all been postulated to contribute to SD formation. In the acute phase, SD appear as red/violaceous lesions (striae rubrae; SR) that can be raised and symptomatic. The chronic form (striae albae; SA) exists as hypopigmented dermal depressions. 2. Polylevolactic Acid(PLLA) is at present one of the most promising biodegradable polymers (biopolymers) and has been the subject of abundant literature over the last decade. PLLA can be processed with a large number of techniques and is commercially available (large-scale production) in a wide range of grades. 3. Previous studies have found that 1565-nm laser can promote the synthesis of types I, III, and VII collagen and elastin, as well as the remodeling of dermal collagen. According to previous studies, dermal collagen deposition and remodeling may be related to the mechanism by which 1565-nm laser improves SD.


Clinical Trial Description

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Study Design


Related Conditions & MeSH terms


NCT number NCT05827913
Study type Interventional
Source Xijing Hospital
Contact Lin Gao, PhD
Phone +8602984775401
Email gaolin@fmmu.edu.cn
Status Recruiting
Phase N/A
Start date March 1, 2023
Completion date March 1, 2024

See also
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Terminated NCT02452359 - Clinical Evaluation of Using Intense Pulsed Light for Improving the Appearance of Striae Distensae N/A
Completed NCT02126566 - Multiclear Treatment for Striae Distensae - A Pilot Study Phase 2
Completed NCT03858543 - Fractional Laser Assisted Delivery of Sculptra® for the Treatment of Striae Early Phase 1
Completed NCT03390439 - Treatment of Atrofic Striae With Percutaneous Collagen Induction Therapy Versus Fractional Nonablative Laser N/A
Recruiting NCT04092881 - Efficacy of Short Pulsed 1064 nm Nd-YAG Laser Versus 10600 nm Fractional CO2 Laser in Treatment of Striae Alba N/A
Completed NCT02510768 - A Study to Evaluate the Efficacy of ELAPR in Women With Striae Distensae Alba Phase 1