20 and older, any sex, with Moderate to Severe Psoriasis or Generalized Pustular Psoriasis and Erythrodermic Psoriasis. Patients with the condition only — healthy volunteers not accepted.
Results — posted to ClinicalTrials.gov
Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.
Percentage of Subjects Achieving a 75 % or Higher Improvement in Psoriasis Area and Severity Index (PASI) Score at Week 16Primary· Week 16
The PASI75 response assessments were based on at least 75 % improvement in the PASI score from Baseline. This is a scoring system that averages the redness, thickness, and scaliness of the psoriatic lesions (on a 0-4 scale), and weights the resulting score by the area of skin involved. Body divided into 4 areas: head, arms, trunk to groin, and legs to top of buttocks. Assignment of an average score for the redness, thickness, and scaling for each of the 4 body areas with a score of 0 (clear) to 4 (very marked). Determining the percentage of skin covered with PSO for each of the body areas and
Group
Value
95% CI
Placebo (FAS)
7.9
CZP 200 mg Q2W (FAS)
73.0
CZP 400 mg Q2W (FAS)
87.1
Percentage of Subjects Who Achieve a Physician's Global Assessment (PGA) Clear or Almost Clear Response (With at Least 2-category Improvement) at Week 16Secondary· Week 16
This Outcome Measure applied to participants with moderate to severe chronic plaque Psoriasis (PSO).
The Investigator assessed the overall severity of Psoriasis (PSO) using the following 5-point scale: 0=clear, 1=almost clear, 2=mild, 3=moderate, 4=severe.
Group
Value
95% CI
Placebo (FAS)
0.0
CZP 200 mg Q2W (FAS)
52.7
CZP 400 mg Q2W (FAS)
66.7
Percentage of Subjects Achieving a 90 % or Higher Improvement in Psoriasis Area and Severity Index (PASI) Score at Week 16Secondary· Week 16
The PASI90 response assessments were based on at least 90 % improvement in the PASI score from Baseline. This is a scoring system that averages the redness, thickness, and scaliness of the psoriatic lesions (on a 0-4 scale), and weights the resulting score by the area of skin involved. Body divided into 4 areas: head, arms, trunk to groin, and legs to top of buttocks. Assignment of an average score for the redness, thickness, and scaling for each of the 4 body areas with a score of 0 (clear) to 4 (very marked). Determining the percentage of skin covered with PSO for each of the body areas and
Group
Value
95% CI
Placebo (FAS)
0.2
CZP 200 mg Q2W (FAS)
53.8
CZP 400 mg Q2W (FAS)
75.7
Change From Baseline in Dermatology Life Quality Index (DLQI) at Week 16Secondary· Baseline and Week 16
This Outcome Measure applied to participants with moderate to severe chronic plaque Psoriasis (PSO).
The DLQI is a subject-reported questionnaire designed for use in adult participants with PSO.
The DLQI is a skin disease-specific questionnaire aimed at the evaluation of how symptoms and treatment affect patients' health related quality of life (HRQoL). This instrument asked participants about symptoms and feelings, daily activities, leisure, work and school, personal relationships, and treatment. It has been shown to be valid and reproducible in PSO patients. The DLQI score ranges from 0 to
Group
Value
95% CI
Placebo (FAS)
-0.3
± 1.0
CZP 200 mg Q2W (FAS)
-6.8
± 0.7
CZP 400 mg Q2W (FAS)
-6.8
± 0.7
Change From Baseline in Itch Numeric Rating Scale at Week 16Secondary· Baseline and Week 16
This Outcome Measure applied to participants with moderate to severe chronic plaque Psoriasis (PSO).
The Itch Numeric Rating Scale (NRS) has been developed as a simple, single item instrument to assess the patient-reported severity of itch at its most intense during the past 24h period. Participants indicate itch severity by circling the integer that best describes the worst level of itching due to PSO in the past 24h period on an 11-point scale anchored at 0, representing "no itching" and 10, representing "worst itch imaginable" (Kimball et al, 2016).
Group
Value
95% CI
Placebo (FAS)
0.2
± 0.5
CZP 200 mg Q2W (FAS)
-2.9
± 0.4
CZP 400 mg Q2W (FAS)
-4.0
± 0.3
Plasma Concentration of Certolizumab Pegol (CZP)Secondary· Blood samples were collected at Baseline (Week 0) and at Weeks 2, 4, 6, 8, 12, 16, 24, 32, 40, 52, 60
Plasma concentration was expressed in micrograms per milliliter (μg/mL).
Values below Lower Limit of Quantification (LLOQ) were set to half the LLOQ to present summaries.
The geometric mean and geometric coefficient of variation were only displayed if at least 2/3 of the data were above the LLOQ.
Baseline
Group
Value
95% CI
CZP 200 mg Q2W/CZP 200 mg Q2W (PK-PPS)
NA
± NA
CZP 400 mg Q2W/CZP 400 mg Q2W (PK-PPS)
NA
± NA
CZP 200 mg Q2W/CZP 400 mg Q4W (PK-PPS)
NA
± NA
Week 2
Group
Value
95% CI
CZP 200 mg Q2W/CZP 200 mg Q2W (PK-PPS)
34.6417
± 28.3
CZP 400 mg Q2W/CZP 400 mg Q2W (PK-PPS)
35.2588
± 25.2
CZP 200 mg Q2W/CZP 400 mg Q4W (PK-PPS)
33.2026
± 26.0
Week 4
Group
Value
95% CI
CZP 200 mg Q2W/CZP 200 mg Q2W (PK-PPS)
47.9241
± 45.6
CZP 400 mg Q2W/CZP 400 mg Q2W (PK-PPS)
47.0462
± 35.7
CZP 200 mg Q2W/CZP 400 mg Q4W (PK-PPS)
48.3634
± 21.3
Week 6
Group
Value
95% CI
CZP 200 mg Q2W/CZP 200 mg Q2W (PK-PPS)
36.3003
± 286.7
CZP 400 mg Q2W/CZP 400 mg Q2W (PK-PPS)
41.2410
± 183.0
CZP 200 mg Q2W/CZP 400 mg Q4W (PK-PPS)
52.4876
± 38.0
Week 8
Group
Value
95% CI
CZP 200 mg Q2W/CZP 200 mg Q2W (PK-PPS)
21.9292
± 621.4
CZP 400 mg Q2W/CZP 400 mg Q2W (PK-PPS)
39.9282
± 243.7
CZP 200 mg Q2W/CZP 400 mg Q4W (PK-PPS)
33.4139
± 69.0
Week 12
Group
Value
95% CI
CZP 200 mg Q2W/CZP 200 mg Q2W (PK-PPS)
16.1907
± 300.7
CZP 400 mg Q2W/CZP 400 mg Q2W (PK-PPS)
46.9934
± 189.3
CZP 200 mg Q2W/CZP 400 mg Q4W (PK-PPS)
23.8437
± 105.9
Week 16
Group
Value
95% CI
CZP 200 mg Q2W/CZP 200 mg Q2W (PK-PPS)
14.5995
± 405.5
CZP 400 mg Q2W/CZP 400 mg Q2W (PK-PPS)
48.3156
± 183.8
CZP 200 mg Q2W/CZP 400 mg Q4W (PK-PPS)
18.1204
± 381.8
Week 24
Group
Value
95% CI
CZP 200 mg Q2W/CZP 200 mg Q2W (PK-PPS)
26.2596
± 52.8
CZP 400 mg Q2W/CZP 400 mg Q2W (PK-PPS)
51.6911
± 118.2
CZP 200 mg Q2W/CZP 400 mg Q4W (PK-PPS)
7.7206
± 1747.5
Percentage of Participants With Positive Anti-Certolizumab Pegol-antibody Levels in PlasmaSecondary· Blood samples will be collected at Baseline (Week 0) and at Weeks 2, 4, 6, 8, 12, 16, 24, 32, 40, 52, 60
A pre-anti-drug (CZP) antibody (ADA) positive subject was defined as having a confirmed positive sample at Baseline. A pre-ADA negative subject was defined as having a Screening below the cut point (BCP) sample, or a screening above the cut point (ACP) sample, but not confirmed positive at Baseline.
A treatment-emergent ADA positive subject was defined as either 1) pre-ADA negative subjects having at least 1 ADA confirmed positive sample or 2) pre-ADA positive subjects with at least 1 sample with greater then or equal to (\>=) 1.67-fold increase from Baseline on CZP treatment.
Group
Value
95% CI
CZP 200 mg Q2W/CZP 200 mg Q2W (PK-PPS)
100
CZP 400 mg Q2W/CZP 400 mg Q2W (PK-PPS)
96.2
CZP 200 mg Q2W/CZP 400 mg Q4W (PK-PPS)
90.0
Adverse events — posted to ClinicalTrials.gov
Time frame: Adverse Events (AEs) were collected from Baseline (Week 0) until the Safety Follow-up Visit (Week 60)..
Reporting threshold: 5%.
Adverse-event reports describe events observed during the trial — not all are caused by the drug.
Placebo (SS)
Serious: 1/26 (4%)
Deaths: 0/26
CZP 200mg Q2W (SS)
Serious: 2/72 (3%)
Deaths: 0/72
CZP 400mg Q4W (SS)
Serious: 0/20 (0%)
Deaths: 0/20
CZP 200 mg Q2W + CZP 400 mg Q4W (SS)
Serious: 2/72 (3%)
Deaths: 0/72
CZP 400 mg Q2W (SS)
Serious: 6/64 (9%)
Deaths: 0/64
All CZP (SS)
Serious: 8/122 (7%)
Deaths: 0/122
Serious adverse events (9 terms)
Reaction
System
Placebo (SS)
CZP 200mg Q2W (SS)
CZP 400mg Q4W (SS)
CZP 200 mg Q2W + CZP 400 m…
CZP 400 mg Q2W (SS)
All CZP (SS)
Latent tuberculosis
Infections and infestations
—
—
—
—
—
—
Neutropenia
Blood and lymphatic system disorders
—
—
—
—
—
—
Thrombocytopenia
Blood and lymphatic system disorders
—
—
—
—
—
—
Eyelid ptosis
Eye disorders
—
—
—
—
—
—
Large intestine polyp
Gastrointestinal disorders
—
—
—
—
—
—
Dental cyst
Gastrointestinal disorders
—
—
—
—
—
—
Sarcoidosis
Immune system disorders
—
—
—
—
—
—
Herpes zoster
Infections and infestations
—
—
—
—
—
—
Henoch-Schonlein purpura
Skin and subcutaneous tissue disorders
—
—
—
—
—
—
Other adverse events (35 terms — click to expand)
Reaction
System
Placebo (SS)
CZP 200mg Q2W (SS)
CZP 400mg Q4W (SS)
CZP 200 mg Q2W + CZP 400 m…
CZP 400 mg Q2W (SS)
All CZP (SS)
Nasopharyngitis
Infections and infestations
—
—
—
—
—
—
Psoriasis
Skin and subcutaneous tissue disorders
—
—
—
—
—
—
Eczema
Skin and subcutaneous tissue disorders
—
—
—
—
—
—
Back pain
Musculoskeletal and connective tissue disorders
—
—
—
—
—
—
Headache
Nervous system disorders
—
—
—
—
—
—
Cough
Respiratory, thoracic and mediastinal disorders
—
—
—
—
—
—
Folliculitis
Infections and infestations
—
—
—
—
—
—
Dermatitis contact
Skin and subcutaneous tissue disorders
—
—
—
—
—
—
Dental caries
Gastrointestinal disorders
—
—
—
—
—
—
Dermatophytosis of nail
Infections and infestations
—
—
—
—
—
—
Gastroenteritis
Infections and infestations
—
—
—
—
—
—
Influenza
Infections and infestations
—
—
—
—
—
—
Dyshidrotic eczema
Skin and subcutaneous tissue disorders
—
—
—
—
—
—
Dizziness
Nervous system disorders
—
—
—
—
—
—
Pruritus
Skin and subcutaneous tissue disorders
—
—
—
—
—
—
Ligament sprain
Injury, poisoning and procedural complications
—
—
—
—
—
—
Cell marker increased
Investigations
—
—
—
—
—
—
Skin papilloma
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
The purpose of this study is to demonstrate the efficacy and safety of Certolizumab Pegol (CZP) in the treatment of moderate to severe chronic plaque Psoriasis (PSO) in Japanese subjects.
Publications & conference data
8 peer-reviewed publications reference this trial (live from Europe PMC):
NCT07491913 — Biologic Treatment Withdrawal in Takayasu Arteritis Patients in Sustained Remission
· NA
· recruiting
NCT03100253 — Rheumatoid Arthritis Treatment After First Anti-TNF INvestiGation
· Phase 4
· terminated
NCT03020992 — A Study to Assess the Effects of Certolizumab Pegol on the Reduction of Anterior Uveitis (AU) Flares in Axial Spondyloar
· Phase 4
· completed
NCT02346240 — Efficacy and Safety Study of Certolizumab Pegol (CZP) Versus Active Comparator and Placebo in Subjects With Plaque Psori
· Phase 3
· completed
NCT02326298 — An Efficacy and Safety Study of Two Dose Levels of Certolizumab Pegol (CZP) in Subjects With Plaque Psoriasis (PSO)
· Phase 3
· completed
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Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
Sponsor: as reported to ClinicalTrials.gov by UCB Biopharma S.P.R.L.
Last refreshed: 4 January 2022
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT03051217.