Journal of the European Academy of Dermatology and Venereology : JEADV · 2006
Dispelling the myth: appropriate use of poly-L-lactic acid and clinical considerations.
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Lowe N J
Аннотация
OBJECTIVES: Injectable poly-L-lactic acid (PLLA; Sculptra) is widely used throughout Europe and the USA to restore volume in depressed areas of the face by stimulating neocollagenesis. Injectable PLLA was previously marketed as New-Fill, which was often injected incorrectly and at too high a concentration, resulting in some physicians losing confidence in this product. Today, Sculptra is still regarded with a degree of scepticism by some physicians, due to direct or indirect experience with New-Fill. Sculptra, both in formulation and use, is vastly superior to New-Fill and clinical experience with this product dispels the myths associated with the earlier types of injectable PLLA.
RESULTS: PLLA is a very safe, biodegradable compound that has been used in a wide range of medical devices for the last 30 years. In injectable form a good safety profile has been proven; however, when the device is overconcentrated, localized overstimulation of the fibroblasts can result in the formation of small lumps (subcutaneous papules), which are non-pathological but nevertheless palpable by the patient. Physicians must also be trained in the injection of this device, as incorrect injection technique can cause device-related adverse events.
CONCLUSION: New product guidelines have ensured that problems with PLLA concentration have been countered, and tried and tested injection techniques have been shown to ameliorate device-related adverse events, both of which are dispelling the myths associated with modern injectable PLLA.
RESULTS: PLLA is a very safe, biodegradable compound that has been used in a wide range of medical devices for the last 30 years. In injectable form a good safety profile has been proven; however, when the device is overconcentrated, localized overstimulation of the fibroblasts can result in the formation of small lumps (subcutaneous papules), which are non-pathological but nevertheless palpable by the patient. Physicians must also be trained in the injection of this device, as incorrect injection technique can cause device-related adverse events.
CONCLUSION: New product guidelines have ensured that problems with PLLA concentration have been countered, and tried and tested injection techniques have been shown to ameliorate device-related adverse events, both of which are dispelling the myths associated with modern injectable PLLA.