A Study to Evaluate the Efficacy and Safety of Imsidolimab (ANB019) in the Treatment of Participants With Acne Vulgaris
A Phase 2, Randomized, Double-Blind, Placebo Controlled Study to Evaluate the Efficacy and Safety of Imsidolimab (ANB019) in the Treatment of Participants With Acne Vulgaris
1 other identifier
interventional
123
2 countries
15
Brief Summary
Efficacy and Safety of Imsidolimab in Participants with Acne Vulgaris
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_2
Started May 2021
Shorter than P25 for phase_2
15 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
April 20, 2021
CompletedFirst Posted
Study publicly available on registry
April 23, 2021
CompletedStudy Start
First participant enrolled
May 15, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 1, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
March 29, 2022
CompletedResults Posted
Study results publicly available
June 15, 2023
CompletedSeptember 22, 2025
May 1, 2023
9 months
April 20, 2021
May 19, 2023
September 2, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Change From Baseline in Facial Inflammatory Lesion Counts at Week 12
The number of facial inflammatory lesions (pustules, papules, and nodular lesions) on the forehead, left and right cheeks, nose, and chin were counted. Baseline was defined as the last available measurement taken prior to the first dose of study treatment.
Baseline, Week 12
Secondary Outcomes (13)
Change From Baseline in Facial Inflammatory Lesion Counts at Weeks 2, 4, 8, and 20
Baseline, Weeks 2, 4, 8, and 20
Percent Change From Baseline in Facial Inflammatory Lesion Counts at Weeks 2, 4, 8, 12, and 20
Baseline, Weeks 2, 4, 8, 12 and 20
Change From Baseline in Facial Non-inflammatory Lesion Counts at Weeks 2, 4, 8, 12, and 20
Baseline, Weeks 2, 4, 8, 12, and 20
Percent Change From Baseline in Facial Non-Inflammatory Lesion Counts at Weeks 2, 4, 8, 12, and 20
Baseline, Weeks 2, 4, 8, 12, and 20
Change From Baseline in Total Facial Lesion (Inflammatory and Non-inflammatory Lesions) Counts at Weeks 2, 4, 8, 12, and 20
Baseline, Weeks 2, 4, 8, 12, and 20
- +8 more secondary outcomes
Study Arms (3)
Imsidolimab 400/200 mg
EXPERIMENTALParticipants received imsidolimab 400 milligrams (mg) by subcutaneous (SC) injection on Day 1, followed by 200 mg on Days 29 and 57.
Imsidolimab 200/100 mg
EXPERIMENTALParticipants received imsidolimab 200 mg by SC injection on Day 1, followed by 100 mg on Days 29 and 57.
Placebo
PLACEBO COMPARATORParticipants received imsidolimab matching placebo by SC injection on Days 1, 29, and 57.
Interventions
Humanized Monoclonal Antibody
Eligibility Criteria
You may qualify if:
- Diagnosis of moderate to severe facial AV
- Facial IGA) score of 3 (moderate) or 4 (severe)
- At least 20 and no more than 100 inflammatory lesions on the face
- No more than 100 non-inflammatory lesions on the face.
- No more than 5 nodules (≥5 millimeter \[mm\]) on the face
You may not qualify if:
- A participant with acne fulminans or conglobate or secondary acne will be excluded.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (15)
Site 10-114
Hot Springs, Arkansas, 71913, United States
Site 10-111
Fountain Valley, California, 92708, United States
Site 10-106
Sherman Oaks, California, 91403, United States
Site 10-113
Sweetwater, Florida, 33172, United States
Site 10-108
Tampa, Florida, 33607, United States
Site 10-107
Tampa, Florida, 33613, United States
Site 10-109
New Orleans, Louisiana, 70119, United States
Site 10-112
New Orleans, Louisiana, 70119, United States
Site 10-104
Detroit, Michigan, 48202, United States
Site 10-110
Portsmouth, New Hampshire, 03801, United States
Site 10-105
Murfreesboro, Tennessee, 37130, United States
Site 10-103
Austin, Texas, 78759, United States
Site 10-102
College Station, Texas, 77845, United States
Site 10-101
San Antonio, Texas, 78213, United States
Site 10-115
Waterloo, Ontario, N2J1C4, Canada
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Vanda Pharmaceuticals
- Organization
- Vanda Pharmaceuticals
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
April 20, 2021
First Posted
April 23, 2021
Study Start
May 15, 2021
Primary Completion
February 1, 2022
Study Completion
March 29, 2022
Last Updated
September 22, 2025
Results First Posted
June 15, 2023
Record last verified: 2023-05
Data Sharing
- IPD Sharing
- Will not share