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J Cosmet Dermatol. 2011 Jun;10(2):94-8. doi: 10.1111/j.1473-2165.2011.00550.x.

Efficacy and safety of a new hyaluronic acid dermal filler in the treatment of severe nasolabial lines - 6-month interim results of a randomized, evaluator-blinded, intra-individual comparison study.

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1
Clinique de Chirurgie Esthétique Iéna, 11 Rue Fresnel, Paris, France. benjaminascher@wanadoo.fr

Abstract

BACKGROUND:

Hyaluronic acid (HA) fillers are frequently used for the correction of facial soft tissue defects.

AIM:

To compare the efficacy and safety of a novel HA filler, HA(E) (Emervel Deep), with those of HA(P) (Restylane Perlane) in the treatment of severe nasolabial folds (NLF).

PATIENTS/METHODS:

A split-face, randomized and evaluator-blinded comparison study. Subjects were randomized to receive injection of HA(E) or HA(P) on their left or right NLF. Efficacy was evaluated based on the change in Wrinkle Severity Rating Scale (WSRS) from baseline. Local tolerability was assessed based on subject diary during the first 3 weeks after injection. Adverse events were also evaluated.

RESULTS:

At both weeks 12 and 24, the mean improvement in WSRS from baseline was significantly greater for HA(E) than for HA(P) (1.58±0.89 vs. 1.33±0.82 at week 24; P=0.002). Similar volume of both products was injected at baseline and touch-up. Both fillers were well tolerated, with similar worst score distribution and mean score for erythema, edema/swelling, bruising, and pruritus. Significantly less severe pain/tenderness was reported with HA(E) than with HA(P) (P<0.05).

CONCLUSIONS:

The new HA filler HA(E) provides better efficacy and similar local tolerability compared with HA(P) 6 months after the treatment of severe NLF.

[Indexed for MEDLINE]

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