btl-785f device for non-invasive facial rejuvenation in patients injected with botulinum toxin

Conditions: Wrinkle

Summary: this study will evaluate the clinical safety and the efficacy of the btl-785f system equipped with the btl-785-7 applicator for non-invasive facial treatment in patients injected with botulinum toxin. the aim is to investigate the improvement of overall facial appearance and muscle tone.

this study is a single-site, open-label, interventional study. the subjects will be enrolled and assigned into two experimental study arms (active and control group). at the baseline visit health status will be assessed and, if needed, additional tests will be performed. inclusion and exclusion criteria will be verified and informed consent will be signed. the treatment administration phase (only for the active group) consists of four (4) treatment visits, delivered 5-10 days apart. safety measures will include documentation of adverse events (ae) including the subject's experience of pain or discomfort after the procedure. occurrence of ae's will be checked immediately after the first treatment visit, prior/post to the every other procedure and at the follow-ups. subjects will undergo two follow-up visits scheduled at 1 month and 3 months after the final treatment (the control group will not receive any treatment).

Eligibility criteria:
inclusion criteria: * healthy male or female subjects over 21 years of age seeking treatment for reduction of wrinkles and overall aesthetic improvement of the face * subjects injected with type a botulinum toxin for facial wrinkles improvement in the past month, but no sooner than 1 week * subjects should be able understand the investigative nature of the treatment, the possible benefits and side effects, and must sign the informed consent form * subjects willing and able to abstain from partaking in any facial treatments other than the study procedure during study participation * willingness to comply with study instructions, to return to the clinic for the required visits, and to have photographs of their face taken exclusion criteria: * bacterial or viral infection, acute inflammations * impaired immune system * isotretinoin in the past 12 months * skin related autoimmune diseases * radiation therapy and chemotherapy * poor healing and unhealed wounds in the treatment area * metal implants * permanent implant in the treated area * pacemaker or internal defibrillator, or any other active electrical implant anywhere in the body * facial dermabrasion, facial resurfacing, or deep chemical peeling in the treatment area within 3 months prior to the treatment * current or history of skin cancer, or current condition of any other type of cancer, or pre-malignant moles * history of any type of cancer * active collagen diseases * cardiovascular diseases (such as vascular diseases, peripheral arterial disease, thrombophlebitis and thrombosis) * pregnancy/nursing or ivf procedure * history of bleeding coagulopathies, use of anticoagulants * any active condition in the treatment area, such as sores, psoriasis, eczema, rash and rosacea * any surgical procedure in the treatment area within the last three months or before complete healing * poorly controlled endocrine disorders, such as diabetes * electroanalgesia without exact diagnosis of pain etiology * serious psychopathological disorders (such as schizophrenia) * neurological disorders (such as multiple cerebrospinal sclerosis, epilepsy) * blood vessels and lymphatic vessels inflammation