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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04754646
Other study ID # TEO-RHA-2001
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date March 15, 2021
Est. completion date November 29, 2021

Study information

Verified date March 2023
Source Teoxane SA
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This is a randomized, controlled, single-blinded, within-subject (split-face), multicenter, prospective study to investigate whether RHA®4 injected in NLFs with a cannula is non-inferior to RHA®4 injected in NLFs with a sharp needle (27G x ½") for the correction of moderate to severe NLFs as determined by the Blinded Live Evaluator (BLE) using the Teoxyne NLF-WSRS (proprietary, validated NLF Wrinkle Severity Rating Scale) at 12 weeks from last treatment. At Visit 1 (Week 0), RHA®4 injected with cannula will be administered in a random sequence (first or second injection) and side of the face (left or right NLF) and RHA®4 injected with a sharp needle will be administered to the other side. The TI will administer study devices and will be unblinded to treatment allocation. Blinded assessments of effectiveness will be conducted by the BLE (Blinded Live Evaluator). 4 weeks following initial treatment, subjects will attend Visit 2 and receive, if necessary, touch-up treatments (using a needle or cannula as per the subject's initial treatment assignment). Subjects receiving touch-up treatments at Week 4 (Visit 2) will attend a new Visit 2b (4 weeks following touch-up treatment); subject not receiving touch-up treatment will not attend Visit 2b. After each injection (initial treatment or touch-up), subjects will receive a safety follow-up call from the study site within 3-day. Subjects will then attend scheduled in-office study visits at 8 (Visit 3) and 12 weeks (Visit 4) following last treatment (initial treatment or touch-up) where safety and effectiveness assessments will be conducted.


Recruitment information / eligibility

Status Completed
Enrollment 50
Est. completion date November 29, 2021
Est. primary completion date August 17, 2021
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 22 Years and older
Eligibility Inclusion Criteria: - Outpatient, male or female of any race, 22 years of age or older. - Female subjects of childbearing potential must have a negative UPT and practice a reliable method of contraception throughout the study. - Moderate to severe bilateral nasolabial folds (grade 3 or 4 on the five-point NLF-WSRS). BLE and TI must independently agree that the criterion is met; however, strict concordance of severity not required. BLE assessments will be used for the primary endpoint. If TI and BLE do not agree on eligibility, or if their assessments differ by =2 grades, the subject will not be eligible. - Nasolabial folds of the same NLF-WSRS grade on the left and right sides of the face. - Willing to abstain from facial aesthetic procedures/therapies that could interfere with the study evaluations. - Able to follow study instructions and complete all required visits. - Sign the IRB-approved ICF, Photographic Release Form, the Authorization for Use and release of Health and Research Study Information (HIPAA) form, and if applicable, the California Experimental Research Subject's Bill of Rights prior to any study-related procedures being performed. Exclusion Criteria: - Known hypersensitivity or previous allergic reaction to any component of the study devices. - Known sensitivity to local anesthetics of the amide type, history of multiple severe allergies, or history of anaphylactic shock. - History of active chronic debilitating systemic disease that, in the opinion of the investigator, would make the subject a poor candidate in the study. - History of connective tissue disease. - Malignancy (excluding non-melanoma skin cancer) within the past 5 years. - History of skin cancer in the treatment area. - Clinically significant alcohol or drug abuse, or history of poor cooperation or unreliability. - Exposure to any other investigational drug/device within 90 days of entering the study or planning to participate in another investigation during the course of the study. - Study staff or close relative to study staff (e.g., parents, children, siblings, or spouse)

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Split-face injection of RHA® 4 with a cannula into a single NLF.
RHA® 4 is a sterile, biodegradable, biocompatible, viscoelastic, clear, colorless, homogenized gel implant. It consists of cross-linked hyaluronic acid produced by fermentation of Streptococcus equi bacteria, formulated to a concentration of 23 mg/mL and 0.3% w/w lidocaine in a physiologic buffer. Up to 3.0 mL injected per NLF (mid-dermis to deep-dermis). Touch-up treatment provided at 2 weeks (up to 3.0 mL per NLF). The brand of cannula used for injection is up to the discretion of the Treating Investigator (TI), providing the cannula is registered for use by the US FDA.
Split-face injection of RHA® 4 with a needle (TSK 27G x ½") into the contralateral NLF.
RHA® 4 is a sterile, biodegradable, biocompatible, viscoelastic, clear, colorless, homogenized gel implant. It consists of cross-linked hyaluronic acid produced by fermentation of Streptococcus equi bacteria, formulated to a concentration of 23 mg/mL and 0.3% w/w lidocaine in a physiologic buffer. Up to 3.0 mL injected per NLF (mid-dermis to deep-dermis). Touch-up treatment provided at 2 weeks (up to 3.0 mL per NLF).

Locations

Country Name City State
United States United States, North Carolina Chapel Hill North Carolina
United States United States, California Encinitas California
United States United States, Tennessee Nashville Tennessee
United States United States, Florida West Palm Beach Florida

Sponsors (1)

Lead Sponsor Collaborator
Teoxane SA

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Change in NLF-WSRS Score Between Baseline and Week 12 After Last Treatment as Assessed by the BLE Non-inferiority of RHA®4 injected with a cannula to the change from Baseline for subjects treated with RHA®4 injected with a needle at 12 weeks after last treatment (initial or touch-up; up to 16 weeks post-baseline)) as assessed by the BLE using the NLF-WSRS.
NLF-WSRS (Nasolabial Folds - Wrinkle Severity Rating Scale) is a proprietary validated 5-grade scale with 1 being "Absent" and 5 being "Extreme".
An NLF-WSRS change of >1 grade will be considered clinically significant.
Week 12 after last treatment
Secondary Change in Score From Baseline in the Nasolabial Folds Severity Rated by the Treating Investigator (TI) at Weeks 4, 8 and 12 After Last Treatment Using the NLF-WSRS. NLF-WSRS (Nasolabial Folds - Wrinkle Severity Rating Scale) is a proprietary validated 5-grade scale with 1 being "Absent" and 5 being "Extreme". Weeks 4, 8 and 12 after last treatment
Secondary Number of Responders (Change of =1-grade From Baseline in the Naso-labial Folds Severity) as Assessed by the Blinded Live Evaluator (BLE) at Week 12 After Last Treatment Using the NLF-WSRS. NLF-WSRS (Nasolabial Folds- Wrinkle Severity Rating Scale) is a proprietary validated 5-grade scale with 1 being "Absent" and 5 being "Extreme". Week 12 after last treatment
Secondary Number of Responders (Change of =1-grade From Baseline in the Naso-labial Folds Severity) as Assessed by the Treating Investigator (TI) at Weeks 4, 8 and 12 After Last Treatment Using the NLF-WSRS. NLF-WSRS (Nasolabial Folds- Wrinkle Severity Rating Scale) is a validated 5-grade scale with 1 being "Absent" and 5 being "Extreme" Weeks 4, 8 and 12 after last treatment
Secondary Number of Subjects Scored Either "Much Improved" or "Improved" on Global Aesthetic Improvement (GAI) Scale by the Blinded Live Evaluator (BLE) at 12 Weeks Following Last Treatment. The Global Aesthetic Improvement (GAI) is a subjective, balanced, 5-point dynamic scale assessing cosmetic improvement. Possible scores range from "much improved", "improved", "no change", "worse", to "much worse". The GAI will be assessed using the pre-injection baseline photograph. Each side of the face will be assessed independently. Week 12 after last treatment
Secondary Number of Subjects Scored Either "Much Improved" or "Improved" on Global Aesthetic Improvement (GAI) Scale by the Treating Investigator (TI) at 4, 8 and 12 Weeks Following Last Treatment. The Global Aesthetic Improvement (GAI) is a subjective, balanced, 5-point dynamic scale assessing cosmetic improvement. Possible scores range from "much improved", "improved", "no change", "worse", to "much worse". The GAI will be assessed using the pre-injection baseline photograph. Each side of the face will be assessed independently. Weeks 4, 8 and 12 after last treatment
Secondary Number of Subjects Who Scored Themselves Either "Much Improved" or "Improved" on Global Aesthetic Improvement (GAI) Scale at 4, 8 and 12 Weeks Following Last Treatment. The Global Aesthetic Improvement (GAI) is a subjective, balanced, 5-point dynamic scale assessing cosmetic improvement. Possible scores range from "much improved", "improved", "no change", "worse", to "much worse". The GAI will be assessed using the pre-injection baseline photograph. Each side of the face was assessed independently.
Subjects will be instructed: "Use a mirror to compare your face to the photograph provided to you and rate the degree of aesthetic improvement by using the following scale".
Weeks 4, 8 and 12 after last treatment
Secondary Number of Subjects "Satisfied" or "Very Satisfied" With Study Treatment Using the Subject Satisfaction Scale at 4, 8 and 12 Weeks Following Last Treatment. The Subject Satisfaction Scale is a subjective, balanced, 5-point scale assessing subject satisfaction with study treatment. Possible scores range from with 1 (very satisfied) to 5 (very dissatisfied). Weeks 4, 8 and 12 after last treatment
Secondary Subject's Perception of Treatment Effectiveness as Per the FACE-Q | Aesthetics© (Nasolabial Folds Domain) Questionnaire. The FACE-Q Measures the Experience and Outcomes of Aesthetic Facial Procedures From the Patient's Perspective. The FACE-Q | Aesthetics© questionnaire is composed of 5 questions with a score linked to answers (1 being 'Not at all' and 4 being 'Extremely').
The subject will be instructed as follows: "These questions ask about how you look right now. For each question, circle only one answer. With your nasolabial folds in mind (the deep lines that run downward from the sides of your nose), in the past week, how much have you been bothered by:", and will provide response.
To calculate the FACE-Q, outcomes from all 5 questions were pooled, data were transformed so that higher scores reflected a superior (positive) outcome, and adapted to a scale of 100 units (i.e. worst/lowest score = 0, best/highest score = 100).
Weeks 4, 8 and 12 after last treatment
Secondary Number of Participants Receiving Initial and Touch-Up Treatment Sessions to Obtain an Optimal Cosmetic Results as Judged by the Treating Investigator Number of subjects receiving treatment (initial and touch up) Baseline (Week 0, Visit 1) and Touch-up (Week 4, Visit 2)
Secondary Total Volume Per NLF to Obtain an Optimal Cosmetic Results as Judged by the Treating Investigator. Baseline (Week 0) and Touch-up (Week 4)
Secondary NLF Symmetry as Assessed by the Blinded-live Evaluator at Baseline and 12 Weeks Following Last Treatment. NLF symmetry will be assessed for right and left NLF by answering the question "Are the NLFs symmetric or asymmetric?" (answer = symmetric or asymmetric answer). If asymmetric, the asymmetry will be further assessed as mild, moderate or severe. Baseline (Week 0) and Week 12 after last treatment
Secondary NLF Symmetry as Assessed by the Treating Investigator at Baseline 4, 8 and 12 Weeks Following Last Treatment. NLF symmetry will be assessed by the TI for right and left NLF by answering the question "Are the NLFs symmetric or asymmetric?" (answer = symmetric or asymmetric answer). If asymmetric, the asymmetry will be further assessed as mild, moderate or severe. Weeks 4, 8 and 12 after last treatment
Secondary NLF Symmetry as Assessed by the Subject at Baseline, 4, 8 and 12 Weeks Following Last Treatment. NLF symmetry will be assessed for right and left NLF by answering the question "Are the NLFs symmetric or asymmetric?" (answer = symmetric or asymmetric answer). If asymmetric, the asymmetry will be further assessed as mild, moderate or severe. Weeks 4, 8 and 12 after last treatment
Secondary Number of Participants With Adverse Events (AEs) for the Safety Evaluation of RHA® 4 The Treating Investigator will assess adverse events and record details of seriousness, severity, duration, and action taken with the study device, and relationship to the study device. AEs will be reported from the time of consent until week 12 of the last treatment.
An AE is any untoward medical occurrence in a subject administered the study device and which may, but does not necessarily, have a causal relationship with the device. An AE can therefore be any unfavorable or unintended sign (for example an abnormal laboratory finding), symptom or disease temporally associated with the use the study device, whether or not considered related to that device.
Baseline through Week 12 after last treatment
Secondary Number of Post-Injection Treatment Responses (From Common Treatment Responses (CTR) Diary) for the Safety Evaluation of RHA® 4. The subjects will receive a diary booklet and instructions for recording his/her observations of the Common Treatment Responses of the study treatments for the first 28 days after treatment. The diary will be discussed during telephone follow-up visit. Subjects should complete the diary at approximately the same time each day (i.e., am or pm).
The subject diary captures the following Common Treatment Responses (CTR) that occur following the injection of a dermal filler; specifically, redness, pain, tenderness, firmness, swelling, lumps/bumps, bruising, itching, discoloration, and "other".
The 28-day patient CTR diary includes a detailed glossary describing all signs/symptoms listed in the diary; an option was provided to rate "other" if the subject experienced a sign/symptom that is not listed.
The table presents the number of subjects experiencing at least 1 Common Treatment Response (CTR).
During 28 days after initial treatment and touch-up, so a total of 42 days post-baseline if the subject received a touch-up
Secondary Assessment at Each Injection Visit (Initial Inejction and Touch-up) of Injection Site Pain Felt by the Patient for the Safety Evaluation of RHA® 4 Immediately After Treatment, and at 5, 30, and 60 Minutes Post-treatment The Injection Site Pain (during injection and post-injection) will be self-assessed by the subject using a 100 mm Visual Analog Scale (VAS). VAS is a 100 mm Visual Analog Scale with 0 meaning no pain and 100 meaning intolerable pain. Immediately after treatment, and at 5, 30, and 60 minutes post-treatment
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