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The purpose of this study was to assess the safety and efficacy of a new metallic cannula to inject hyaluronic acid for dermal augmentation in the nasolabial folds compared to standard needle.
Full description
This was a monocentric, prospective, randomized, phase II and double-blind study.
At the baseline visits, one investigator rated the severity of nasolabial folds on both left and right sides according to the mentioned scale, and a standard set of six photographs of the face (frontal, left side and right side for both the whole face and the lower face) were taken.
On the day of the injection, the main investigator injected 1ml of dermal filler - hyaluronic acid (Restylane®, Q-Med, Uppsala, Sweden) - for each subject. The injected amount was 0,5ml for the right nasolabial fold and 0,5ml for the left nasolabial fold. The sides will be randomized.
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25 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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