Percentage of participants achieving a 75% or higher improvement in Psoriasis Area and Severity Index (PASI) score at Week 16
The PASI75 response assessments are 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 converting to a 0 to 6 scale. Final PASI= average redness, thickness, and scaliness of the psoriatic skin lesions, multiplied by the involved psoriasis area score of the respective section, and weighted by the percentage of the person's affected skin for the respective section. The minimum possible PASI score is 0= no disease, the maximum score is 72= maximal disease.
Percentage of participants who achieve a Physician's Global Assessment (PGA) Clear or Almost Clear response (with at least a 2-category improvement) at Week 16
The Investigator assess the overall severity of Psoriasis (PSO) using the following 5-point scale: 0= clear, 1= almost clear, 2= mild, 3= moderate, 4= severe.
Percentage of participants achieving a 90% or higher improvement in Psoriasis Area and Severity Index (PASI) score at Week 16
The PASI90 response assessments are 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 converting to a 0 to 6 scale. Final PASI= average redness, thickness, and scaliness of the psoriatic skin lesions, multiplied by the involved psoriasis area score of the respective section, and weighted by the percentage of the person's affected skin for the respective section. The minimum possible PASI score is 0= no disease, the maximum score is 72= maximal disease.
Percentage of participants achieving CDLQI score of 0 or 1 at Week 16
The Children's Dermatology Life Quality Index (CDLQI) is a dermatology-specific quality of life instrument designed to assess the impact of the disease on a child's quality of life (Lewis-Jones and Finlay, 1995). The CDLQI is a 10-item questionnaire with 4 response options (Not at all/Not relevant=0, A little=1, Quite a lot=2, and Very much=3) and a recall period of 1 week. In addition to evaluating overall quality of life, the CDLQI can be used to assess 6 different aspects that may affect quality of life: symptoms and feelings, leisure, school or holidays, personal relationships, sleep, and treatment. The CDLQI is calculated by summing the score of each question resulting in a maximum of 30 and a minimum of 0; the higher the score, the greater impairment in quality of life.
Percentage of participants achieving a 100% improvement in Psoriasis Area and Severity Index (PASI) score at Week 16
The PASI100 response assessments are based on 100% 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 converting to a 0 to 6 scale. Final PASI= average redness, thickness, and scaliness of the psoriatic skin lesions, multiplied by the involved psoriasis area score of the respective section, and weighted by the percentage of the person's affected skin for the respective section. The minimum possible PASI score is 0= no disease, the maximum score is 72= maximal disease.
Percentage of participants achieving a 75% or higher improvement in Psoriasis Area and Severity Index (PASI) score at Week 52
The PASI75 response assessments are 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 converting to a 0 to 6 scale. Final PASI= average redness, thickness, and scaliness of the psoriatic skin lesions, multiplied by the involved psoriasis area score of the respective section, and weighted by the percentage of the person's affected skin for the respective section. The minimum possible PASI score is 0= no disease, the maximum score is 72= maximal disease.
Percentage of participants who achieve a Physician's Global Assessment (PGA) Clear or Almost Clear response (with at least a 2-category improvement) at Week 52
The Investigator assess the overall severity of Psoriasis (PSO) using the following 5-point scale: 0= clear, 1= almost clear, 2= mild, 3= moderate, 4= severe.
Percentage of participants achieving a 90% or higher improvement in Psoriasis Area and Severity Index (PASI) score at Week 52
The PASI90 response assessments are 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 converting to a 0 to 6 scale. Final PASI= average redness, thickness, and scaliness of the psoriatic skin lesions, multiplied by the involved psoriasis area score of the respective section, and weighted by the percentage of the person's affected skin for the respective section. The minimum possible PASI score is 0= no disease, the maximum score is 72= maximal disease.
Percentage of participants achieving a 100% improvement in Psoriasis Area and Severity Index (PASI) score at Week 52
The PASI100 response assessments are based on 100% 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 converting to a 0 to 6 scale. Final PASI= average redness, thickness, and scaliness of the psoriatic skin lesions, multiplied by the involved psoriasis area score of the respective section, and weighted by the percentage of the person's affected skin for the respective section. The minimum possible PASI score is 0= no disease, the maximum score is 72= maximal disease.
Percentage of participants achieving CDLQI score of 0 or 1 at Week 52
The Children's Dermatology Life Quality Index (CDLQI) is a dermatology-specific quality of life instrument designed to assess the impact of the disease on a child's quality of life (Lewis-Jones and Finlay, 1995). The CDLQI is a 10-item questionnaire with 4 response options (Not at all/Not relevant=0, A little=1, Quite a lot=2, and Very much=3) and a recall period of 1 week. In addition to evaluating overall quality of life, the CDLQI can be used to assess 6 different aspects that may affect quality of life: symptoms and feelings, leisure, school or holidays, personal relationships, sleep, and treatment. The CDLQI is calculated by summing the score of each question resulting in a maximum of 30 and a minimum of 0; the higher the score, the greater impairment in quality of life.
Incidence of serious treatment emergent adverse events
A serious treatment emergent adverse event (serious TEAE) is any untoward medical occurrence that at any dose:
Results in death
Is life-threatening
Requires in patient hospitalization or prolongation of existing hospitalization
Is a congenital anomaly or birth defect
Is an infection that requires treatment parenteral antibiotics
Other important medical events which based on medical or scientific judgement may jeopardize the patients, or may require medical or surgical intervention to prevent any of the above
Incidence of treatment emergent adverse events leading to withdrawal
A treatment emergent adverse event (TEAE) is any untoward medical occurrence in a patient or clinical investigation subject administered a pharmaceutical product, which does not necessarily have a causal relationship with this treatment. An AE could therefore be any unfavorable and unintended sign, symptom, or disease temporally associated with the use of a medicinal (investigational) product, whether or not related to the medicinal (investigational) product.