A Prospective, Open-Label, Observational, Postmarket Study Evaluating VYC-17.5L for the Correction of Moderate to Severe Nasolabial Folds Over 12 Months

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VYC-17.5L (17.5 mg/mL hyaluronic acid, 0.3% lidocaine) is a dermal filler intended for deep dermis injection for the treatment of skin depressions.


To evaluate 12-month effectiveness and safety of VYC-17.5L for the treatment of moderate/severe nasolabial folds (NLFs).


Subjects ≥18 years old with moderate/severe NLFs were recruited (N = 70). Injected volume was aimed at achieving optimum correction; top-up treatment was given at 2 weeks if needed. The primary endpoint was investigator-assessed change in NLF severity over 12 months using the validated photonumeric NLF Severity Scale. Secondary endpoints included investigator- and subject-assessed satisfaction and safety. Adverse events judged to be more severe or prolonged than routinely observed were recorded.


Sixty-five subjects completed study requirements. Mean volume injected was 3.0 ± 1.0 mL for both NLFs combined. Significant improvement was maintained in investigator-assessed NLF severity at 12 months, and investigators and subjects reported high satisfaction with VYC-17.5L throughout the study. Two unexpected adverse events were reported: (1) redness, swelling, and decreased sensitivity (resolved after 4 days) and (2) swelling (resolved after 48 hours); neither event was serious or life threatening.


VYC-17.5L is effective and well tolerated for the treatment of moderate to severe NLFs for 1 year.

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