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Phase 2 N=132 Randomized Quadruple-blind Treatment

Efficacy and Safety of ME3183 in Subjects With Moderate to Severe Plaque Psoriasis

Plaque Psoriasis

Enrolled (actual)
132
Serious AEs
1.5%
Results posted
Jun 2024
Primary outcome: Primary: Percentage of Participants Achieving Greater Than or Equal to (>=) 75% Reduction From Baseline in Psoriasis Area Severity Index (PASI) Score (PASI-75) at Week 16 — 58.3; 32.0; 61.5; 52.0 percentage of participants

Study Design & Population

Study type
Interventional
Phase
Phase 2
Interventions
ME3183 (Drug); Placebo (Drug)
Age
Adult, Older Adult · 18+ yrs
Sex
All
Sponsor
Meiji Pharma USA Inc.
Primary completion
May 2023

Outcome Measures

OutcomeResultp-value
PRIMARY
Percentage of Participants Achieving Greater Than or Equal to (>=) 75% Reduction From Baseline in Psoriasis Area Severity Index (PASI) Score (PASI-75) at Week 16
58.3; 32.0; 61.5; 52.0; 14.8
SECONDARY
Number of Participants With Treatment-Emergent Adverse Events (TEAEs) Over the 16-week Treatment Period and the 4-week Follow-up Period
16; 17; 23; 24; 16
SECONDARY
Number of Participants With Serious TEAEs Over the 16-week Treatment Period and the 4-week Follow-up Period
0; 1; 0; 0; 1
SECONDARY
Number of Participants With TEAEs by Severity Over the 16-week Treatment Period and the 4-week Follow-up Period
7; 11; 8; 15; 11; 9
SECONDARY
Number of Participants With Clinically Significant Abnormalities in Physical Examination
0; 0; 0; 0; 0
SECONDARY
Number of Participants With Clinically Significant Abnormalities in Vital Signs
0; 0; 0; 0; 0
SECONDARY
Number of Participants With Clinically Significant Abnormalities in Clinical Laboratory Tests
0; 0; 0; 0; 0
SECONDARY
Percent Change From Baseline in PASI Score at All Visits From Week 1 to Week 16
-22.87; -15.39; -24.47; -26.93; -12.01; -42.41
SECONDARY
Percentage of Participants Achieving >=50% Reduction From Baseline in the PASI Score (PASI-50) at All Visits From Week 1 to Week 16
12.5; 8.0; 7.7; 20.0; 7.4; 29.2
SECONDARY
Percentage of Participants Achieving >=75% Reduction From Baseline in the PASI Score (PASI-75) at All Visits From Week 1 to Week 16
4.2; 0; 0; 4.0; 0; 12.5
SECONDARY
Percentage of Participants Achieving >=90% Reduction From Baseline in the PASI Score (PASI-90) at All Visits From Week 1 to Week 16
0; 0; 0; 0; 0; 0
SECONDARY
Percentage of Participants Achieving 100% Reduction From Baseline in the PASI Score (PASI-100) at All Visits From Week 1 to Week 16
0; 0; 0; 0; 0; 0
SECONDARY
Time to PASI-50
33.5; 57.0; 28.0; 29.0; 113.0
SECONDARY
Time to PASI-75
58.0; NA; 56.0; 57.0; NA
SECONDARY
Percentage of Participants Achieving a Static Physicians Global Assessment (sPGA) Score of "0" ("Clear") or "1" ("Almost Clear") Combined With 2-point Reduction on the 5-point sPGA Scale at All Visits From Week 1 to Week 16
0; 0; 0; 0; 0; 8.3
SECONDARY
Change From Baseline in Affected Body Surface Area (BSA) at All Visits From Week 1 to Week 16
-1.6; -2.1; -3.6; -3.5; -0.8; -5.6
SECONDARY
Change From Baseline in the Itch Numerical Rating Scale (NRS) at All Visits From Week 1 to Week 16
-1.7; -1.5; -2.7; -2.3; -1.2; -3.3
SECONDARY
Change From Baseline in the Dermatology Life Quality Index (DLQI) Score at All Visits From Week 1 to Week 16
-2.2; -2.4; -5.0; -3.3; -4.1; -5.1
SECONDARY
Percentage of Participants With at Least a 5-point Reduction From Baseline in the DLQI Score at All Visits From Week 1 to Week 16
22.7; 26.1; 65.2; 36.4; 44.4; 52.4
SECONDARY
Trough Serum Concentration (Ctrough) of ME3183
13998.33; 11491.05; 28559.81; 21229.09; 17973.10; 16522.41

Summary

The purpose of this study is to assess the efficacy and safety of ME3183 administered orally for moderate to severe plaque psoriasis in adults.

Eligibility Criteria

Inclusion Criteria

  • Male and female, ages 18 to 75 years
  • Participant with stable moderate to severe chronic plaque psoriasis of at least 24 weeks duration.

Exclusion Criteria

  • Other than psoriasis, history of any clinically significant (as determined by the Investigator) or other major uncontrolled disease.
  • Active or chronic hepatitis B virus (HBV) or hepatitis C virus (HCV) infection at Screening.
  • Hepatitis B surface antigen positive at Screening.
  • History of HIV or Positive for the HIV antibodies at Screening.
  • History of allergy to any component of the study treatment.
  • Active tuberculosis (TB) or a history of incompletely treated TB.
  • Active infection (bacteria, viral, fungal, etc.) requiring treatment with systemic antibiotics within 4 weeks of Screening.
  • Malignancy or history of malignancy except for treated [ie, cured] basal cell or squamous cell in situ skin carcinomas and treated [ie, cured] cervical intraepithelial neoplasia or carcinoma in situ of the cervix with no evidence of recurrence.
  • Pregnant or breast feeding
  • Received ustekinumab, secukinumab, brodalumab, ixekizumab, guselkumab, risankizumab, tildrakizumab, or briakinumab within 24 weeks of first administration of study treatment.
  • Received TNF-α inhibitor(s)/blocker(s) within 8 weeks of first administration of study treatment.
  • Received rituximab within 24 weeks of first administration of study treatment.
  • Received phototherapy or any systemic medications/treatments within 4 weeks of the first administration of study treatment.

Other protocol defined inclusion/exclusion criteria could apply

View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT05268016). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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