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    PLLA bests collagen in nasolabial procedures

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    New York — Results of a new study suggest that injectable poly-L-lactic acid (PLLA), a synthetic, biodegradable polymer device, is more effective in correcting nasolabial fold wrinkles than collagen, HealthDay News reports.

    The study, conducted by researchers at the New York University School of Medicine, assigned 233 patients with nasolabial fold wrinkles to injection with human collagen or PLLA. Patients treated with PLLA had significantly better wrinkle correction (as assessed by the Wrinkle Assessment Scale) than those treated with collagen.

    Effects of the PLLA treatments were observed as long as 25 months after the last treatment.

    The study, published in the March issue of the Journal of the American Academy of Dermatology, was sponsored by Dermik Laboratories. Several authors reported advisory, consulting and financial relationships with Dermik Laboratories and BioForm Medical.

    Bill Gillette
    Bill Gillette is a freelance writer based in Richmond Heights, Ohio.

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