A Phase 2, Open-Label Extension Study of EN3835 in the Treatment of Edematous Fibrosclerotic Panniculopathy (commonly known as Cellulite).
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
259
Endo Clinical Trial Site #1
Beverly Hills, California, United States
Endo Clinical Trial Site #2
Murrieta, California, United States
Number of Participants That Were 2-level Composite (CR-PCSS and PR-PCSS) Responders During the Observation Phase
Clinician-Reported Photonumeric Cellulite Severity Scale (CR-PCSS) and Patient-Reported Photonumeric Cellulite Severity Scale (PR-PCSS) is a 5-level scale ranging from "0" (None) to "4" (Severe). A 2-level composite responder is a participant that received EN3835 with a reduction (decrease in score) in severity of at least 2-levels from baseline on both the CR-PCSS and the PR-PCSS at a particular visit. Observation Phase is defined as the time period from Screening to the first treatment date of the same treatment area in Study EN3835-202, or the end of Study EN3835-202 if there was no treatment received for the same treatment area in Study EN3835-202. Three participants were discontinued from the study after Day 180, percentages are based on the observed counts.
Time frame: Day 180 to Day 360
Number of Participants That Were 1-level Composite (CR-PCSS and PR-PCSS) Responders During the Observation Phase
Clinician-Reported Photonumeric Cellulite Severity Scale (CR-PCSS) and Patient-Reported Photonumeric Cellulite Severity Scale (PR-PCSS) is a 5-level scale ranging from "0" (None) to "4" (Severe). A 1-level composite responder is a participant that received EN3835 with a reduction (decrease in score) in severity of at least 1-level from baseline on both the PR-PCSS and the CR-PCSS at a particular visit. Observation Phase is defined as the time period from Screening to the first treatment date of the same treatment area in Study EN3835-202, or the end of Study EN3835-202 if there was no treatment received for the same treatment area in Study EN3835-202.
Time frame: Day 180 to Day 360
Number of Participants That Were 2-level Composite (CR-PCSS and PR-PCSS) Responders During the Long-term Durability Phase
Clinician-Reported Photonumeric Cellulite Severity Scale (CR-PCSS) and Patient-Reported Photonumeric Cellulite Severity Scale (PR-PCSS) is a 5-level scale ranging from "0" (None) to "4" (Severe). A 2-level composite responder is a participant that received EN3835 with a reduction (decrease in score) in severity of at least 2-levels from baseline on both the CR-PCSS and the PR-PCSS at a particular visit. Long-term Durability Phase is defined as all participants in the Overall Durability Population who showed an improvement on Day 71 of at least 1-level on each scale (CR-PCSS and PR-PCSS) from baseline for the treatment area treated with EN3835 in the double-blind Study (EN3835-201).
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Endo Clinical Trial Site #3
Oceanside, California, United States
Endo Clinical Trial Site #4
San Diego, California, United States
Endo Clinical Trial Site #5
Clearwater, Florida, United States
Endo Clinical Trial Site #6
Coral Gables, Florida, United States
Endo Clinical Trial Site #7
Palm Beach, Florida, United States
Endo Clinical Trial Site #8
Washington, Missouri, United States
Endo Clinical Trial Site #10
New York, New York, United States
Endo Clinical Trial Site #9
New York, New York, United States
...and 5 more locations
Time frame: Day 540 to Day 720
Number of Participants That Were 1-level Composite (CR-PCSS and PR-PCSS) Responders During the Long-term Durability Phase
Clinician-Reported Photonumeric Cellulite Severity Scale (CR-PCSS) and Patient-Reported Photonumeric Cellulite Severity Scale (PR-PCSS) is a 5-level scale ranging from "0" (None) to "4" (Severe). A 1-level composite responder is a participant who received EN3835 with a reduction (decrease in score) in severity of at least 1-level from baseline on both the PR-PCSS and the CR-PCSS at a particular visit. Long-term Durability Phase is defined as all participants in the Overall Durability Population who showed an improvement on Day 71 of at least 1-level on each scale (CR-PCSS and PR-PCSS) from baseline for the treatment area treated with EN3835 in the double-blind Study (EN3835-201).
Time frame: Day 540 to Day 720
CR-PCSS Change From Baseline (in EN3835-201 Study) by Visit During the Observation Phase
Clinician-Reported Photonumeric Cellulite Severity Scale (CR-PCSS) is a 5-level scale ranging from "0" (None) to "4" (Severe). A negative change from baseline indicates an improvement in cellulite severity. Observation Phase is defined as the time period from Screening to the first treatment date of the same treatment area in Study EN3835-202, or the end of Study EN3835-202 if there was no treatment received for the same treatment area in Study EN3835-202.
Time frame: Baseline (in EN3835-201 Study) to Observation Day 360
CR-PCSS Change From Baseline (BL) by Visit During the Treatment Phase for Participants With a Second EN3835 Treatment
Clinician-Reported Photonumeric Cellulite Severity Scale (CR-PCSS) is a 5-level scale ranging from "0" (None) to "4" (Severe). A decrease in the CR-PCSS score from baseline indicates an improvement in cellulite severity. Treatment phase is defined as the time period from the second EN3835 treatment date to the end of Study EN3835-202. One hundred sixty-two participants received a second treatment course Study EN3835-202 and were included in the Effectiveness Population. This retreated/redosed treatment group comprised 87 participants that received their second treatment course of EN3835 in Study EN3835-202 having received their first treatment course in Study EN3835-201 and 75 participants that received both their first and second treatment courses in Study EN3835-202.
Time frame: Day 22 to Day 360
PR-PCSS Change From Baseline by Visit in Treatment Phase for Participants With Second EN3835 Treatment
Patient-Reported Photonumeric Cellulite Severity Scale (PR-PCSS) is a 5-level scale ranging from "0" (None) to "4" (Severe). A decrease in the PR-PCSS score from baseline indicates an improvement in cellulite severity. Treatment phase is defined as the time period from the second EN3835 treatment date to the end of Study EN3835-202. One hundred sixty-two participants received a second treatment course in this study and were included in the Effectiveness Population. This retreated/redosed treatment group comprised 87 participants that received their second treatment course of EN3835 in Study EN3835-202 having received their first treatment course in Study EN3835-201 and 75 participants that received both their first and second treatment courses in Study EN3835-202.
Time frame: Day 22 to Day 360
Change From Baseline on the Hexsel CSS Total Score During the Observation Phase
The Hexsel Cellulite Severity Scale (CSS) is a photonumeric scale that evaluates 5 key morphologic features of cellulite: (A) number of evident depressions, (B) depth of depressions, (C) morphological appearance of skin surface alterations, (D) laxity, flaccidity or sagging of skin, and (E) current classification scale based on medical literature. Each of these features is evaluated on a 4-point scale from a low of "0" to a high of "3", with higher scores signifying more severe cellulite. The Hexcel CSS total score is the sum of all 5 features and can range from "0" (no cellulite) to "15" (extremely severe cellulite) and is designated in this study as the Hexsel CSS total score.
Time frame: Baseline (in EN3835-201 Study) to Day 360
Change From Baseline (BL) in the Hexsel CSS Total Score During Long-term Durability Visits
The Hexsel Cellulite Severity Scale (CSS) is a photonumeric scale that evaluates 5 key morphologic features of cellulite: (A) number of evident depressions, (B) depth of depressions, (C) morphological appearance of skin surface alterations, (D) laxity, flaccidity or sagging of skin, and (E) current classification scale based on medical literature. Each of these features is evaluated on a 4-point scale from a low of "0" to a high of "3", with higher scores indicating more severe cellulite. The total score is a summation of all 5 features and can range from "0" (no cellulite) to "15" (extremely severe cellulite) and is designated in this study as the Hexsel CSS total score. A negative change from baseline indicates an improvement in cellulite severity.
Time frame: Day 540 to Day 720
Change From Baseline in Hexsel CSS Total Score in Treatment Phase for Participants With Second EN3835 Treatment
The Hexsel Cellulite Severity Scale (CSS) is a photonumeric scale that evaluates 5 key morphologic features of cellulite: (A) number of evident depressions, (B) depth of depressions, (C) morphological appearance of skin surface alterations, (D) laxity, flaccidity or sagging of skin, and (E) current classification scale based on medical literature. Each of these features is evaluated on a 4-point scale from a low of "0" to a high of "3". The total score is a summation of all 5 features and can range from "0" (no cellulite) to "15" (extremely severe cellulite) and is designated in this study as the Hexsel CSS total score. Change from baseline is the visit total score minus baseline total score. A negative change from baseline indicates an improvement in cellulite severity. Treatment phase is defined as the time period from the second EN3835 treatment date to the end of Study EN3835-202.
Time frame: Baseline - Day 360
Investigator Global Aesthetic Improvement Scale (I-GAIS) at Observation Visit Day 360 During the Observation Phase
Investigator Global Aesthetic Improvement Scale (I-GAIS) is a 7-point numeric scale that evaluates the improvement of the treated treatment area in global aesthetics. The scale ranges from "+3" (Very much improved) to "-3" (Very much worse), an increase in the I-GAIS scores indicates an improvement in Global Aesthetic Score. Percentages are based on the number of all evaluable subjects at each visit. Observation Phase is defined as the time period from Screening to the first treatment date of the same treatment area in Study EN3835-202, or the end of Study EN3835-202 if there was no treatment received for the same treatment area in Study EN3835-202.
Time frame: Day 360
Investigator Global Aesthetic Improvement Scale (I-GAIS) in Treatment Phase for Participants With Second EN3835 Treatment
Investigator Global Aesthetic Improvement Scale (I-GAIS) is a 7-point numeric scale that evaluates the improvement of the treated treatment area in global aesthetics. The scale ranges from "+3" (Very much improved) to "-3" (Very much worse), an increase in the I-GAIS indicates an improvement in global aesthetics. Percentages are based on the number of all evaluable participants at each visit. One hundred sixty-two participants received a second treatment course in this study and were included in the Effectiveness Population. This retreated/dosed treatment group comprised 87 participants that received their second treatment course of EN3835 in Study EN3835-202 having received their first treatment course in Study EN3835-201 and 75 participants that received both their first and second treatment course in Study EN3835-202.
Time frame: Day 71 - Day 360
Subject Global Aesthetic Improvement Scale (S-GAIS) at the End of Study (EOS) During the Observation Phase, Observation Visit Day 360
Subject Global Aesthetic Improvement Scale (S-GAIS) is a 7-point numeric scale that evaluates the improvement of the treated treatment area in global aesthetics. The scale ranges from "+3" (Very much improved) to "-3" (Very much worse), an increase in S-GAIS indicates an improvement. Percentages are based on the number of all evaluable participants at each visit. Observation Phase is defined as the time period from Screening to the first treatment date of the same treatment area in Study EN3835-202, or the end of Study EN3835-202 if there was no treatment received for the same treatment area in Study EN3835-202.
Time frame: Day 360
Subject Global Aesthetic Improvement Scale (S-GAIS) During the Treatment Phase for Participants With Second EN3835 Treatment
Subject Global Aesthetic Improvement Scale (S-GAIS) is a 7-point numeric scale that evaluates the improvement of the treated treatment area in global aesthetics. The scale ranges from "+3" (Very much improved) to "-3" (Very much worse). Percentages are based on the number of evaluable participants at each visit. One hundred sixty-two participants received a second treatment course in EN3835-202 Study and were included in the Effectiveness Population. This retreated/redosed treatment group comprised 87 participants that received their second treatment course of EN3835 in Study EN3835-202 having received their first treatment course in Study EN3835-201 and 75 participants that received both their first and second treatment courses in Study EN3835-202. Treatment phase is defined as the time period from the second EN3835 treatment date to the End of Study EN3835-202.
Time frame: Day 71 - Day 360
Subject Satisfaction With EFP Treatment at the End of Study (EOS) in Observation Phase, Observation Visit Day 360
Subject Satisfaction with Cellulite Treatment Scale is a 5-level scale designed for participants to assess their satisfaction with cellulite treatment. The scale ranges from "+2" (I am very satisfied with the cellulite treatment on my buttocks or thighs) to "-2" (I am very dissatisfied with the cellulite treatment on my buttocks or thighs). Percentages are based on the number of evaluable participants at each visit. Observation Phase is defined as the time period from Screening to the first treatment date of the same treatment area in Study EN3835-202, or the end of Study EN3835-202 if there was no treatment received for the same treatment area in Study EN3835-202. (EFP = Edematous Fibrosclerotic Panniculopathy, aka Cellulite)
Time frame: Day 360
Subject Satisfaction With EFP Treatment in Treatment Phase for Subjects With Second EN3835 Treatment
Subject Satisfaction with Cellulite Treatment Scale is a 5-level scale designed for participants to assess their satisfaction with cellulite treatment. The scale ranges from "+2" (I am very satisfied with the cellulite treatment on my buttocks or thighs) to "-2" (I am very dissatisfied with the cellulite treatment on my buttocks or thighs). Percentages are based on the number of evaluable participants at each visit. One hundred sixty-two participants received a second treatment course in Study EN3835-202 and were included in the Effectiveness Population. This retreated/redosed treatment group comprised 87 participants that received their second treatment course of EN3835 in Study EN3835-202 having received their first treatment course in Study EN3835-201 and 75 participants that received both their first and second treatment courses in Study EN3835-202. Treatment phase is defined as the time period from the second EN3835 treatment date to the End of Study EN3835-202.
Time frame: Day 71 - Day 360