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Double-Blind, Placebo-Controlled Study to Evaluate 3 Doses of a Novel Tetracycline in the Treatment of Facial Acne Vulgaris

A Randomized, Multicenter, Double-blind, Placebo-controlled Study to Evaluate the Safety and Efficacy of 3 Different Doses of a Novel Tetracycline Compared to Placebo in the Treatment of Facial Acne Vulgaris, Study PR-10411

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01628549
Enrollment
285
Registered
2012-06-26
Start date
2012-06-30
Completion date
2013-01-31
Last updated
2019-02-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Acne Vulgaris

Keywords

acne

Brief summary

To evaluate the safety and effectiveness of 3 strengths of P005672-HCl compared to placebo for the treatment of moderate to severe facial acne vulgaris.

Interventions

DRUG50 mg P005672-HCl

P005672-HCl administered as an oral capsule(s) once daily

DRUGPlacebo

Dose-matched Placebo capsule administered as an oral capsule(s) once daily

DRUG100 mg P005672-HCl

P005672-HCl administered as an oral capsule(s) once daily

Sponsors

Allergan
CollaboratorINDUSTRY
Almirall, S.A.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
12 Years to 45 Years
Healthy volunteers
No

Inclusion criteria

* if women of child-bearing potential, have a negative urine pregnancy test * Willing to use only a non-medicated cleanser and to refrain from use of any other acne medication, medicated cleanser, excessive sun exposure, and tanning booths for the duration of the study * Male or female, 12-45 years of age with body weight between 52 and 88 kg * Diagnosis of acne vulgaris with: 20 to 50 inflammatory lesions (papules, pustules, and nodules) 30 to 100 noninflammatory lesions (open and closed comedones) * No more than 2 nodules on the face * Investigator's Global Assessment (IGA) score of moderate (3) to severe (4)

Exclusion criteria

* Dermatological condition of face or facial hair that could interfere with clinical evaluations subjects who have used the following medications (topical refers only to the facial area) will not be eligible: Within 1 week prior to randomization: * Medicated facial cleansers * Topical acne treatments (other than those listed below) Within 4 weeks prior to randomization: * Topical retinoids * Topical anti-inflammatories and corticosteroids * Systemic antibiotics * Systemic acne treatments Within 12 weeks prior to randomization: * Systemic retinoids * Systemic corticosteroids * Pseudomembranous colitis or antibiotic-associated colitis * Hepatitis, liver damage or renal impairment

Design outcomes

Primary

MeasureTime frameDescription
The Absolute Change From Baseline in the Inflammatory Lesion Count at the Final VisitBaseline (Week 0) to Final Visit (Up to Week 12)
The Dichotomized IGA (Investigator Global Assessment) Score at Final VisitFinal Visit (Up to Week 12)The Investigator Global Assessment Scale (IGA) for Acne Vulgaris Score is a 5-point ordinal scale ranging from 0 to 4. The dichotomized IGA score, where success was defined as at least a 2-grade decrease in the IGA score during the Final Visit as compared to the Baseline Visit.

Secondary

MeasureTime frameDescription
The Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitBaseline (Week 0) up to Week 12
The Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final VisitBaseline (Week 0) up to Week 12
The Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Baseline to Final Visit (Up to Week 12)The Investigator Global Assessment Scale (IGA) for Acne Vulgaris Score is a 5-point ordinal scale ranging from 0 to 4. The dichotomized IGA score, where success was defined as at least a 2-grade decrease in the IGA score during the Final Visit as compared to the Baseline Visit.
The Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitBaseline (Week 0) up to Week 12
The Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitBaseline (Week 0) up to Week 12

Countries

United States

Participant flow

Participants by arm

ArmCount
Placebo
Two placebo capsules matching P005672-HCl, taken orally each day
73
P005672-HCl Approximately 0.75 mg/kg/Day
One P005672-HCl 50 mg capsule and one Placebo capsule, taken orally each day
76
P005672-HCl Approximately 1.5 mg/kg/Day
Two P005672-HCl 50 mg capsules, taken orally each day
70
P005672-HCl Approximately 3.0 mg/kg/Day
Two P005672-HCl 100 mg capsules, taken orally each day
66
Total285

Withdrawals & dropouts

PeriodReasonFG000FG001FG002FG003
Overall Studyabnormal laboratory test results0010
Overall StudyAdverse Event1104
Overall StudyLost to Follow-up3433
Overall Studypositive pregnancy test0001
Overall StudyProtocol Violation2110
Overall StudyWithdrawal by Subject3441
Overall Studywithdrawn for noncompliance0210

Baseline characteristics

CharacteristicP005672-HCl Approximately 0.75 mg/kg/DayTotalPlaceboP005672-HCl Approximately 3.0 mg/kg/DayP005672-HCl Approximately 1.5 mg/kg/Day
Age, Continuous19.7 Years
STANDARD_DEVIATION 5.92
20.2 Years
STANDARD_DEVIATION 6.74
20.8 Years
STANDARD_DEVIATION 6.99
20.3 Years
STANDARD_DEVIATION 7.11
19.9 Years
STANDARD_DEVIATION 7.04
Height167.49 cm
STANDARD_DEVIATION 9.047
166.96 cm
STANDARD_DEVIATION 9.206
165.80 cm
STANDARD_DEVIATION 10.436
167.33 cm
STANDARD_DEVIATION 9.764
167.23 cm
STANDARD_DEVIATION 7.38
Race/Ethnicity, Customized
American Indian or Alaska Native
0 Participants2 Participants1 Participants1 Participants0 Participants
Race/Ethnicity, Customized
Asian
4 Participants12 Participants4 Participants1 Participants3 Participants
Race/Ethnicity, Customized
Black or African American
18 Participants69 Participants17 Participants13 Participants21 Participants
Race/Ethnicity, Customized
Hispanic or Latino
21 Participants75 Participants19 Participants19 Participants16 Participants
Race/Ethnicity, Customized
Native Hawaiian or Other Pacific islander
0 Participants0 Participants0 Participants0 Participants0 Participants
Race/Ethnicity, Customized
Not Hispanic or Latino
55 Participants210 Participants54 Participants47 Participants54 Participants
Race/Ethnicity, Customized
White
55 Participants207 Participants54 Participants52 Participants46 Participants
Sex/Gender, Customized
Female
47 Participants172 Participants48 Participants37 Participants40 Participants
Sex/Gender, Customized
Male
29 Participants113 Participants25 Participants29 Participants30 Participants
Weight at Baseline66.37 kg
STANDARD_DEVIATION 8.749
67.94 kg
STANDARD_DEVIATION 10.173
68.47 kg
STANDARD_DEVIATION 10.306
67.31 kg
STANDARD_DEVIATION 9.486
69.69 kg
STANDARD_DEVIATION 11.861

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
deaths
Total, all-cause mortality
— / —— / —— / —— / —
other
Total, other adverse events
13 / 7315 / 768 / 707 / 66
serious
Total, serious adverse events
0 / 730 / 760 / 700 / 66

Outcome results

Primary

The Absolute Change From Baseline in the Inflammatory Lesion Count at the Final Visit

Time frame: Baseline (Week 0) to Final Visit (Up to Week 12)

Population: Of the 285 participants in the Safety Population, 284 received a post-Baseline efficacy assessment, to comprise the mITT (Modified Intent-to-Treat) Population.

ArmMeasureValue (MEAN)Dispersion
PlaceboThe Absolute Change From Baseline in the Inflammatory Lesion Count at the Final Visit12.8 Number of Inflammatory LesionsStandard Deviation 14.18
P005672-HCl Approximately 0.75 mg/kg/DayThe Absolute Change From Baseline in the Inflammatory Lesion Count at the Final Visit14.4 Number of Inflammatory LesionsStandard Deviation 13.01
P005672-HCl Approximately 1.5 mg/kg/DayThe Absolute Change From Baseline in the Inflammatory Lesion Count at the Final Visit17.6 Number of Inflammatory LesionsStandard Deviation 16.65
P005672-HCl Approximately 3.0 mg/kg/DayThe Absolute Change From Baseline in the Inflammatory Lesion Count at the Final Visit17.1 Number of Inflammatory LesionsStandard Deviation 11.69
p-value: 0.434495% CI: [-2.32, 5.38]ANCOVA
p-value: 0.026695% CI: [0.52, 8.4]ANCOVA
p-value: 0.031795% CI: [0.39, 8.36]ANCOVA
Primary

The Dichotomized IGA (Investigator Global Assessment) Score at Final Visit

The Investigator Global Assessment Scale (IGA) for Acne Vulgaris Score is a 5-point ordinal scale ranging from 0 to 4. The dichotomized IGA score, where success was defined as at least a 2-grade decrease in the IGA score during the Final Visit as compared to the Baseline Visit.

Time frame: Final Visit (Up to Week 12)

Population: Of the 285 participants in the Safety Population, 284 received a post-Baseline efficacy assessment, to comprise the mITT (Modified Intent-to-Treat) Population

ArmMeasureCategoryValue (COUNT_OF_PARTICIPANTS)
PlaceboThe Dichotomized IGA (Investigator Global Assessment) Score at Final VisitSuccess8 Participants
PlaceboThe Dichotomized IGA (Investigator Global Assessment) Score at Final VisitFailure64 Participants
P005672-HCl Approximately 0.75 mg/kg/DayThe Dichotomized IGA (Investigator Global Assessment) Score at Final VisitFailure65 Participants
P005672-HCl Approximately 0.75 mg/kg/DayThe Dichotomized IGA (Investigator Global Assessment) Score at Final VisitSuccess11 Participants
P005672-HCl Approximately 1.5 mg/kg/DayThe Dichotomized IGA (Investigator Global Assessment) Score at Final VisitSuccess17 Participants
P005672-HCl Approximately 1.5 mg/kg/DayThe Dichotomized IGA (Investigator Global Assessment) Score at Final VisitFailure53 Participants
P005672-HCl Approximately 3.0 mg/kg/DayThe Dichotomized IGA (Investigator Global Assessment) Score at Final VisitSuccess10 Participants
P005672-HCl Approximately 3.0 mg/kg/DayThe Dichotomized IGA (Investigator Global Assessment) Score at Final VisitFailure56 Participants
p-value: 0.3395% CI: [-7.82, 14.38]Cochran-Mantel-Haenszel
p-value: 0.015995% CI: [0.54, 25.6]Cochran-Mantel-Haenszel
p-value: 0.483495% CI: [-7.44, 15.87]Cochran-Mantel-Haenszel
Secondary

The Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final Visit

Time frame: Baseline (Week 0) up to Week 12

Population: Of the 285 participants in the Safety Population, 284 received a post-Baseline efficacy assessment, to comprise the mITT (Modified Intent-to-Treat) Population

ArmMeasureGroupValue (MEAN)Dispersion
PlaceboThe Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final VisitChange from Baseline at Week 15.8 Count of Inflammatory LesionsStandard Deviation 9.07
PlaceboThe Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final VisitChange from Baseline at Week 28.4 Count of Inflammatory LesionsStandard Deviation 10.13
PlaceboThe Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final VisitChange from Baseline at Week 410.9 Count of Inflammatory LesionsStandard Deviation 10.04
PlaceboThe Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final VisitChange from Baseline at Week 812.6 Count of Inflammatory LesionsStandard Deviation 12.57
PlaceboThe Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final VisitChange from Baseline at Week 1212.8 Count of Inflammatory LesionsStandard Deviation 14.18
PlaceboThe Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final VisitChange from Baseline at Final Visit(Up to Week 12)12.8 Count of Inflammatory LesionsStandard Deviation 14.18
P005672-HCl Approximately 0.75 mg/kg/DayThe Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final VisitChange from Baseline at Final Visit(Up to Week 12)14.4 Count of Inflammatory LesionsStandard Deviation 13.01
P005672-HCl Approximately 0.75 mg/kg/DayThe Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final VisitChange from Baseline at Week 813.1 Count of Inflammatory LesionsStandard Deviation 11.89
P005672-HCl Approximately 0.75 mg/kg/DayThe Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final VisitChange from Baseline at Week 15.4 Count of Inflammatory LesionsStandard Deviation 9.28
P005672-HCl Approximately 0.75 mg/kg/DayThe Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final VisitChange from Baseline at Week 49.3 Count of Inflammatory LesionsStandard Deviation 13.84
P005672-HCl Approximately 0.75 mg/kg/DayThe Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final VisitChange from Baseline at Week 28.5 Count of Inflammatory LesionsStandard Deviation 10.02
P005672-HCl Approximately 0.75 mg/kg/DayThe Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final VisitChange from Baseline at Week 1214.3 Count of Inflammatory LesionsStandard Deviation 13
P005672-HCl Approximately 1.5 mg/kg/DayThe Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final VisitChange from Baseline at Week 28.2 Count of Inflammatory LesionsStandard Deviation 14.45
P005672-HCl Approximately 1.5 mg/kg/DayThe Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final VisitChange from Baseline at Week 411.7 Count of Inflammatory LesionsStandard Deviation 15.36
P005672-HCl Approximately 1.5 mg/kg/DayThe Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final VisitChange from Baseline at Week 815.0 Count of Inflammatory LesionsStandard Deviation 16.66
P005672-HCl Approximately 1.5 mg/kg/DayThe Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final VisitChange from Baseline at Final Visit(Up to Week 12)17.6 Count of Inflammatory LesionsStandard Deviation 16.65
P005672-HCl Approximately 1.5 mg/kg/DayThe Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final VisitChange from Baseline at Week 1217.6 Count of Inflammatory LesionsStandard Deviation 16.65
P005672-HCl Approximately 1.5 mg/kg/DayThe Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final VisitChange from Baseline at Week 15.4 Count of Inflammatory LesionsStandard Deviation 8.44
P005672-HCl Approximately 3.0 mg/kg/DayThe Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final VisitChange from Baseline at Week 1217.1 Count of Inflammatory LesionsStandard Deviation 11.69
P005672-HCl Approximately 3.0 mg/kg/DayThe Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final VisitChange from Baseline at Final Visit(Up to Week 12)17.1 Count of Inflammatory LesionsStandard Deviation 11.69
P005672-HCl Approximately 3.0 mg/kg/DayThe Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final VisitChange from Baseline at Week 29.7 Count of Inflammatory LesionsStandard Deviation 11.3
P005672-HCl Approximately 3.0 mg/kg/DayThe Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final VisitChange from Baseline at Week 814.3 Count of Inflammatory LesionsStandard Deviation 12.9
P005672-HCl Approximately 3.0 mg/kg/DayThe Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final VisitChange from Baseline at Week 15.9 Count of Inflammatory LesionsStandard Deviation 8.33
P005672-HCl Approximately 3.0 mg/kg/DayThe Absolute Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12 and the Final VisitChange from Baseline at Week 412.8 Count of Inflammatory LesionsStandard Deviation 9.96
Secondary

The Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final Visit

Time frame: Baseline (Week 0) up to Week 12

Population: Of the 285 participants in the Safety Population, 284 received a post-Baseline efficacy assessment, to comprise the mITT (Modified Intent-to-Treat) Population

ArmMeasureGroupValue (MEAN)Dispersion
PlaceboThe Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 15.4 Count of Noninflammatory LesionsStandard Deviation 12.99
PlaceboThe Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 210.6 Count of Noninflammatory LesionsStandard Deviation 16.02
PlaceboThe Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 413.0 Count of Noninflammatory LesionsStandard Deviation 24.17
PlaceboThe Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 816.9 Count of Noninflammatory LesionsStandard Deviation 22.52
PlaceboThe Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 1217.8 Count of Noninflammatory LesionsStandard Deviation 21.63
PlaceboThe Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Final Visit(Up to Week 12)17.8 Count of Noninflammatory LesionsStandard Deviation 21.63
P005672-HCl Approximately 0.75 mg/kg/DayThe Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Final Visit(Up to Week 12)17.9 Count of Noninflammatory LesionsStandard Deviation 19.83
P005672-HCl Approximately 0.75 mg/kg/DayThe Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 814.3 Count of Noninflammatory LesionsStandard Deviation 21.44
P005672-HCl Approximately 0.75 mg/kg/DayThe Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 13.8 Count of Noninflammatory LesionsStandard Deviation 14.28
P005672-HCl Approximately 0.75 mg/kg/DayThe Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 410.0 Count of Noninflammatory LesionsStandard Deviation 17.25
P005672-HCl Approximately 0.75 mg/kg/DayThe Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 29.4 Count of Noninflammatory LesionsStandard Deviation 13.58
P005672-HCl Approximately 0.75 mg/kg/DayThe Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 1217.9 Count of Noninflammatory LesionsStandard Deviation 19.85
P005672-HCl Approximately 1.5 mg/kg/DayThe Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 27.8 Count of Noninflammatory LesionsStandard Deviation 16.92
P005672-HCl Approximately 1.5 mg/kg/DayThe Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 49.9 Count of Noninflammatory LesionsStandard Deviation 20.58
P005672-HCl Approximately 1.5 mg/kg/DayThe Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 814.0 Count of Noninflammatory LesionsStandard Deviation 22.22
P005672-HCl Approximately 1.5 mg/kg/DayThe Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Final Visit(Up to Week 12)19.1 Count of Noninflammatory LesionsStandard Deviation 22.33
P005672-HCl Approximately 1.5 mg/kg/DayThe Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 1219.1 Count of Noninflammatory LesionsStandard Deviation 22.33
P005672-HCl Approximately 1.5 mg/kg/DayThe Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 14.3 Count of Noninflammatory LesionsStandard Deviation 14.1
P005672-HCl Approximately 3.0 mg/kg/DayThe Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 1217.0 Count of Noninflammatory LesionsStandard Deviation 21.56
P005672-HCl Approximately 3.0 mg/kg/DayThe Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Final Visit(Up to Week 12)17.0 Count of Noninflammatory LesionsStandard Deviation 21.56
P005672-HCl Approximately 3.0 mg/kg/DayThe Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 27.9 Count of Noninflammatory LesionsStandard Deviation 14.24
P005672-HCl Approximately 3.0 mg/kg/DayThe Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 815.2 Count of Noninflammatory LesionsStandard Deviation 19.04
P005672-HCl Approximately 3.0 mg/kg/DayThe Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 15.1 Count of Noninflammatory LesionsStandard Deviation 13.83
P005672-HCl Approximately 3.0 mg/kg/DayThe Absolute Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 412.7 Count of Noninflammatory LesionsStandard Deviation 15.24
Secondary

The Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12

The Investigator Global Assessment Scale (IGA) for Acne Vulgaris Score is a 5-point ordinal scale ranging from 0 to 4. The dichotomized IGA score, where success was defined as at least a 2-grade decrease in the IGA score during the Final Visit as compared to the Baseline Visit.

Time frame: Baseline to Final Visit (Up to Week 12)

Population: Of the 285 participants in the Safety Population, 284 received a post-Baseline efficacy assessment, to comprise the mITT (Modified Intent-to-Treat) Population

ArmMeasureGroupCategoryValue (COUNT_OF_PARTICIPANTS)
PlaceboThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 12Failure64 Participants
PlaceboThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Final Visit (Up to Week 12)Failure64 Participants
PlaceboThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 8Failure66 Participants
PlaceboThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 1Success0 Participants
PlaceboThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 12Success8 Participants
PlaceboThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 2Success2 Participants
PlaceboThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 2Failure70 Participants
PlaceboThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 1Failure72 Participants
PlaceboThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Final Visit (Up to Week 12)Success8 Participants
PlaceboThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 4Success1 Participants
PlaceboThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 4Failure71 Participants
PlaceboThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 8Success6 Participants
P005672-HCl Approximately 0.75 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 1Failure73 Participants
P005672-HCl Approximately 0.75 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 8Success6 Participants
P005672-HCl Approximately 0.75 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 2Failure73 Participants
P005672-HCl Approximately 0.75 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 12Success11 Participants
P005672-HCl Approximately 0.75 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 12Failure65 Participants
P005672-HCl Approximately 0.75 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 8Failure70 Participants
P005672-HCl Approximately 0.75 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 1Success3 Participants
P005672-HCl Approximately 0.75 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 4Failure74 Participants
P005672-HCl Approximately 0.75 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 4Success2 Participants
P005672-HCl Approximately 0.75 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 2Success3 Participants
P005672-HCl Approximately 0.75 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Final Visit (Up to Week 12)Failure65 Participants
P005672-HCl Approximately 0.75 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Final Visit (Up to Week 12)Success11 Participants
P005672-HCl Approximately 1.5 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 8Failure62 Participants
P005672-HCl Approximately 1.5 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 1Success0 Participants
P005672-HCl Approximately 1.5 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 1Failure70 Participants
P005672-HCl Approximately 1.5 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 2Success2 Participants
P005672-HCl Approximately 1.5 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 2Failure68 Participants
P005672-HCl Approximately 1.5 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 4Success0 Participants
P005672-HCl Approximately 1.5 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 4Failure70 Participants
P005672-HCl Approximately 1.5 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 8Success8 Participants
P005672-HCl Approximately 1.5 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 12Success17 Participants
P005672-HCl Approximately 1.5 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 12Failure53 Participants
P005672-HCl Approximately 1.5 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Final Visit (Up to Week 12)Success17 Participants
P005672-HCl Approximately 1.5 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Final Visit (Up to Week 12)Failure53 Participants
P005672-HCl Approximately 3.0 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 4Failure62 Participants
P005672-HCl Approximately 3.0 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 4Success4 Participants
P005672-HCl Approximately 3.0 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 1Success1 Participants
P005672-HCl Approximately 3.0 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 12Failure56 Participants
P005672-HCl Approximately 3.0 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 2Failure64 Participants
P005672-HCl Approximately 3.0 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 2Success2 Participants
P005672-HCl Approximately 3.0 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Final Visit (Up to Week 12)Failure56 Participants
P005672-HCl Approximately 3.0 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Final Visit (Up to Week 12)Success10 Participants
P005672-HCl Approximately 3.0 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 8Failure55 Participants
P005672-HCl Approximately 3.0 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 8Success11 Participants
P005672-HCl Approximately 3.0 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 1Failure65 Participants
P005672-HCl Approximately 3.0 mg/kg/DayThe Dichotomized IGA Score at Weeks 1, 2, 4, 8, and 12Week 12Success10 Participants
Secondary

The Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final Visit

Time frame: Baseline (Week 0) up to Week 12

Population: Of the 285 participants in the Safety Population, 284 received a post-Baseline efficacy assessment, to comprise the mITT (Modified Intent-to-Treat) Population

ArmMeasureGroupValue (MEAN)Dispersion
PlaceboThe Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 119.3 Percent Change - Inflammatory LesionsStandard Deviation 27.82
PlaceboThe Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 225.6 Percent Change - Inflammatory LesionsStandard Deviation 29.02
PlaceboThe Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 434.1 Percent Change - Inflammatory LesionsStandard Deviation 28.84
PlaceboThe Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 837.9 Percent Change - Inflammatory LesionsStandard Deviation 35.6
PlaceboThe Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 1239.1 Percent Change - Inflammatory LesionsStandard Deviation 43
PlaceboThe Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Final Visit(Up to Week 12)39.1 Percent Change - Inflammatory LesionsStandard Deviation 43
P005672-HCl Approximately 0.75 mg/kg/DayThe Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Final Visit(Up to Week 12)43.5 Percent Change - Inflammatory LesionsStandard Deviation 39.72
P005672-HCl Approximately 0.75 mg/kg/DayThe Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 839.8 Percent Change - Inflammatory LesionsStandard Deviation 34.47
P005672-HCl Approximately 0.75 mg/kg/DayThe Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 117.2 Percent Change - Inflammatory LesionsStandard Deviation 28.43
P005672-HCl Approximately 0.75 mg/kg/DayThe Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 429.3 Percent Change - Inflammatory LesionsStandard Deviation 38.9
P005672-HCl Approximately 0.75 mg/kg/DayThe Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 226.4 Percent Change - Inflammatory LesionsStandard Deviation 32.6
P005672-HCl Approximately 0.75 mg/kg/DayThe Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 1243.3 Percent Change - Inflammatory LesionsStandard Deviation 39.7
P005672-HCl Approximately 1.5 mg/kg/DayThe Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 225.8 Percent Change - Inflammatory LesionsStandard Deviation 36.16
P005672-HCl Approximately 1.5 mg/kg/DayThe Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 434.1 Percent Change - Inflammatory LesionsStandard Deviation 35.27
P005672-HCl Approximately 1.5 mg/kg/DayThe Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 844.3 Percent Change - Inflammatory LesionsStandard Deviation 37.99
P005672-HCl Approximately 1.5 mg/kg/DayThe Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Final Visit(Up to Week 12)53.6 Percent Change - Inflammatory LesionsStandard Deviation 37.65
P005672-HCl Approximately 1.5 mg/kg/DayThe Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 1253.6 Percent Change - Inflammatory LesionsStandard Deviation 37.65
P005672-HCl Approximately 1.5 mg/kg/DayThe Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 117.8 Percent Change - Inflammatory LesionsStandard Deviation 26.39
P005672-HCl Approximately 3.0 mg/kg/DayThe Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 1253.5 Percent Change - Inflammatory LesionsStandard Deviation 35.18
P005672-HCl Approximately 3.0 mg/kg/DayThe Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Final Visit(Up to Week 12)53.5 Percent Change - Inflammatory LesionsStandard Deviation 35.18
P005672-HCl Approximately 3.0 mg/kg/DayThe Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 230.6 Percent Change - Inflammatory LesionsStandard Deviation 35.88
P005672-HCl Approximately 3.0 mg/kg/DayThe Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 844.5 Percent Change - Inflammatory LesionsStandard Deviation 37.62
P005672-HCl Approximately 3.0 mg/kg/DayThe Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 119.4 Percent Change - Inflammatory LesionsStandard Deviation 26.17
P005672-HCl Approximately 3.0 mg/kg/DayThe Percent Change From Baseline in the Inflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 440.0 Percent Change - Inflammatory LesionsStandard Deviation 31.83
Secondary

The Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final Visit

Time frame: Baseline (Week 0) up to Week 12

Population: Of the 285 participants in the Safety Population, 284 received a post-Baseline efficacy assessment, to comprise the mITT (Modified Intent-to-Treat) Population

ArmMeasureGroupValue (MEAN)Dispersion
PlaceboThe Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 1235.3 Percent change - noninflammatory lesionsStandard Deviation 35.32
PlaceboThe Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 219.0 Percent change - noninflammatory lesionsStandard Deviation 28.36
PlaceboThe Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Final Visit(Up to Week 12)35.3 Percent change - noninflammatory lesionsStandard Deviation 35.32
PlaceboThe Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 425.0 Percent change - noninflammatory lesionsStandard Deviation 37.78
PlaceboThe Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 830.5 Percent change - noninflammatory lesionsStandard Deviation 40.69
PlaceboThe Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 19.7 Percent change - noninflammatory lesionsStandard Deviation 24.07
P005672-HCl Approximately 0.75 mg/kg/DayThe Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 418.3 Percent change - noninflammatory lesionsStandard Deviation 33.17
P005672-HCl Approximately 0.75 mg/kg/DayThe Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 17.7 Percent change - noninflammatory lesionsStandard Deviation 26.87
P005672-HCl Approximately 0.75 mg/kg/DayThe Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 1234.3 Percent change - noninflammatory lesionsStandard Deviation 36.4
P005672-HCl Approximately 0.75 mg/kg/DayThe Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 826.1 Percent change - noninflammatory lesionsStandard Deviation 38.84
P005672-HCl Approximately 0.75 mg/kg/DayThe Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Final Visit(Up to Week 12)34.1 Percent change - noninflammatory lesionsStandard Deviation 36.28
P005672-HCl Approximately 0.75 mg/kg/DayThe Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 216.7 Percent change - noninflammatory lesionsStandard Deviation 24.99
P005672-HCl Approximately 1.5 mg/kg/DayThe Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Final Visit(Up to Week 12)37.2 Percent change - noninflammatory lesionsStandard Deviation 38.44
P005672-HCl Approximately 1.5 mg/kg/DayThe Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 214.6 Percent change - noninflammatory lesionsStandard Deviation 30.57
P005672-HCl Approximately 1.5 mg/kg/DayThe Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 827.5 Percent change - noninflammatory lesionsStandard Deviation 38.54
P005672-HCl Approximately 1.5 mg/kg/DayThe Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 419.2 Percent change - noninflammatory lesionsStandard Deviation 35.6
P005672-HCl Approximately 1.5 mg/kg/DayThe Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 18.3 Percent change - noninflammatory lesionsStandard Deviation 25.2
P005672-HCl Approximately 1.5 mg/kg/DayThe Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 1237.2 Percent change - noninflammatory lesionsStandard Deviation 38.44
P005672-HCl Approximately 3.0 mg/kg/DayThe Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 425.7 Percent change - noninflammatory lesionsStandard Deviation 29.27
P005672-HCl Approximately 3.0 mg/kg/DayThe Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 110.6 Percent change - noninflammatory lesionsStandard Deviation 25.63
P005672-HCl Approximately 3.0 mg/kg/DayThe Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 216.0 Percent change - noninflammatory lesionsStandard Deviation 30.37
P005672-HCl Approximately 3.0 mg/kg/DayThe Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Final Visit(Up to Week 12)32.8 Percent change - noninflammatory lesionsStandard Deviation 42.59
P005672-HCl Approximately 3.0 mg/kg/DayThe Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 830.4 Percent change - noninflammatory lesionsStandard Deviation 38.45
P005672-HCl Approximately 3.0 mg/kg/DayThe Percent Change From Baseline in the Noninflammatory Lesion Count at Weeks 1, 2, 4, 8, 12, and the Final VisitChange from Baseline at Week 1232.8 Percent change - noninflammatory lesionsStandard Deviation 42.59

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026