Clinical Trial Results:
Multicenter, Double-Blind, Randomized, Active- and Placebo Controlled Study to Evaluate Safety, Tolerability, and Efficacy of Ixekizumab in Patients from 6 to Less than 18 Years of Age with Moderate-to-Severe Plaque Psoriasis.
Summary
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EudraCT number |
2016-003331-38 |
Trial protocol |
NL DE ES PL HU CZ FR |
Global end of trial date |
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Results information
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Results version number |
v1 |
This version publication date |
22 Feb 2020
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First version publication date |
22 Feb 2020
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Other versions |
v2 |
Trial Information
Subject Disposition
Baseline Characteristics
End Points
Adverse Events
More Information
Subject Disposition
Baseline Characteristics
End Points
Adverse Events
More Information
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Trial identification
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Sponsor protocol code |
I1F-MC-RHCD
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Additional study identifiers
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ISRCTN number |
- | ||
US NCT number |
NCT03073200 | ||
WHO universal trial number (UTN) |
- | ||
Other trial identifiers |
Trial Number: 16367 | ||
Sponsors
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Sponsor organisation name |
Eli Lilly and Company
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Sponsor organisation address |
Lilly Corporate Center, Indianapolis, IN, United States, 46285
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Public contact |
Available Mon ‐ Fri 9 AM ‐ 5 PM EST, Eli Lilly and Company, 1 877‐CTLilly,
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Scientific contact |
Available Mon ‐ Fri 9 AM ‐ 5 PM EST, Eli Lilly and Company, 1 877‐285‐4559,
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Paediatric regulatory details
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Is trial part of an agreed paediatric investigation plan (PIP) |
Yes
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EMA paediatric investigation plan number(s) |
EMEA-001050-PIP01-10 | ||
Does article 45 of REGULATION (EC) No 1901/2006 apply to this trial? |
No
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Does article 46 of REGULATION (EC) No 1901/2006 apply to this trial? |
Yes
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Results analysis stage
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Analysis stage |
Interim
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Date of interim/final analysis |
07 Feb 2019
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Is this the analysis of the primary completion data? |
Yes
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Primary completion date |
07 Feb 2019
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Global end of trial reached? |
No
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General information about the trial
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Main objective of the trial |
The purpose of this study is to evaluate the safety and efficacy of ixekizumab in pediatric participants with moderate-to-severe plaque psoriasis.
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Protection of trial subjects |
This study was conducted in accordance with International Conference on Harmonization (ICH) Good Clinical Practice, and the principles of the Declaration of Helsinki, in addition to following the laws and regulations of the country or countries in which a study is conducted.
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Background therapy |
- | ||
Evidence for comparator |
- | ||
Actual start date of recruitment |
28 Mar 2017
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Long term follow-up planned |
No
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Independent data monitoring committee (IDMC) involvement? |
Yes
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Population of trial subjects
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Number of subjects enrolled per country |
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Country: Number of subjects enrolled |
Puerto Rico: 8
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Country: Number of subjects enrolled |
Argentina: 13
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Country: Number of subjects enrolled |
Hungary: 21
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Country: Number of subjects enrolled |
United States: 64
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Country: Number of subjects enrolled |
Spain: 12
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Country: Number of subjects enrolled |
Russian Federation: 15
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Country: Number of subjects enrolled |
Canada: 7
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Country: Number of subjects enrolled |
Netherlands: 1
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Country: Number of subjects enrolled |
Poland: 25
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Country: Number of subjects enrolled |
Mexico: 7
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Country: Number of subjects enrolled |
France: 3
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Country: Number of subjects enrolled |
Germany: 13
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Country: Number of subjects enrolled |
Czech Republic: 12
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Worldwide total number of subjects |
201
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EEA total number of subjects |
87
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Number of subjects enrolled per age group |
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In utero |
0
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Preterm newborn - gestational age < 37 wk |
0
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Newborns (0-27 days) |
0
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Infants and toddlers (28 days-23 months) |
0
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Children (2-11 years) |
49
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Adolescents (12-17 years) |
152
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Adults (18-64 years) |
0
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From 65 to 84 years |
0
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85 years and over |
0
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Recruitment
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Recruitment details |
- | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Pre-assignment
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Screening details |
Open-Label Etanercept group occurred only in Etanercept approved countries. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Period 1
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Period 1 title |
Overall Study (overall period)
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Is this the baseline period? |
Yes | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Allocation method |
Randomised - controlled
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Blinding used |
Double blind | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Roles blinded |
Subject, Investigator, Carer | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Arms
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Are arms mutually exclusive |
Yes
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Arm title
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Placebo | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Arm description |
Participants received matching placebo for Ixekizumab by subcutaneous injection. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Arm type |
Placebo | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Investigational medicinal product name |
Placebo
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Investigational medicinal product code |
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Other name |
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Pharmaceutical forms |
Solution for injection in pre-filled syringe
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Routes of administration |
Subcutaneous use
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Dosage and administration details |
Participants received matching placebo for Ixekizumab by subcutaneous injection.
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Arm title
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Ixekizumab | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Arm description |
Participants with >50kg received 160mg Ixekizumab at week 0 followed by 80mg Ixekizumab every four weeks (Q4W) from week 4 to 8 followed by 80mg ixekizumab and placebo injection at week 12 by subcutaneous injection. Participants with 25 to 50kg received 80mg Ixekizumab at week 0 followed by 40mg Ixekizumab Q4W from week 4 to 8 followed by 40mg ixekizumab and placebo injection at week 12 by subcutaneous injection. Participants with >25kg received 40mg Ixekizumab at week 0 followed by 20mg Ixekizumab Q4W from week 4 to 8 followed by 20mg ixekizumab and placebo injection at week 12 by subcutaneous injection. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Arm type |
Experimental | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Investigational medicinal product name |
Ixekizumab
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Investigational medicinal product code |
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Other name |
LY2439821
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Pharmaceutical forms |
Solution for injection in pre-filled syringe
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Routes of administration |
Subcutaneous use
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Dosage and administration details |
Participants with >50kg received 160mg Ixekizumab at week 0 followed by 80mg Ixekizumab every four weeks (Q4W) from week 4 to 8 followed by 80mg ixekizumab and placebo injection at week 12 by subcutaneous injection.
Participants with 25 to 50kg received 80mg Ixekizumab at week 0 followed by 40mg Ixekizumab Q4W from week 4 to 8 followed by 40mg ixekizumab and placebo injection at week 12 by subcutaneous injection.
Participants with >25kg received 40mg Ixekizumab at week 0 followed by 20mg Ixekizumab Q4W from week 4 to 8 followed by 20mg ixekizumab and placebo injection at week 12 by subcutaneous injection.
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Arm title
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Open-Label Etanercept | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Arm description |
Participants received 0.8mg/kg Etanercept not exceeding 50mg per dose every week from week 0 to week 11 by subcutaneous injection. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Arm type |
Active comparator | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Investigational medicinal product name |
Etanerccept
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Investigational medicinal product code |
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Other name |
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Pharmaceutical forms |
Solution for injection in pre-filled syringe, Powder for solution for injection
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Routes of administration |
Subcutaneous use
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Dosage and administration details |
Participants received 0.8mg/kg Etanercept not exceeding 50mg per dose every week from week 0 to week 11 by subcutaneous injection.
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Baseline characteristics reporting groups
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Reporting group title |
Placebo
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Reporting group description |
Participants received matching placebo for Ixekizumab by subcutaneous injection. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
Ixekizumab
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Reporting group description |
Participants with >50kg received 160mg Ixekizumab at week 0 followed by 80mg Ixekizumab every four weeks (Q4W) from week 4 to 8 followed by 80mg ixekizumab and placebo injection at week 12 by subcutaneous injection. Participants with 25 to 50kg received 80mg Ixekizumab at week 0 followed by 40mg Ixekizumab Q4W from week 4 to 8 followed by 40mg ixekizumab and placebo injection at week 12 by subcutaneous injection. Participants with >25kg received 40mg Ixekizumab at week 0 followed by 20mg Ixekizumab Q4W from week 4 to 8 followed by 20mg ixekizumab and placebo injection at week 12 by subcutaneous injection. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
Open-Label Etanercept
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Reporting group description |
Participants received 0.8mg/kg Etanercept not exceeding 50mg per dose every week from week 0 to week 11 by subcutaneous injection. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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End points reporting groups
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Reporting group title |
Placebo
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Reporting group description |
Participants received matching placebo for Ixekizumab by subcutaneous injection. | ||
Reporting group title |
Ixekizumab
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Reporting group description |
Participants with >50kg received 160mg Ixekizumab at week 0 followed by 80mg Ixekizumab every four weeks (Q4W) from week 4 to 8 followed by 80mg ixekizumab and placebo injection at week 12 by subcutaneous injection. Participants with 25 to 50kg received 80mg Ixekizumab at week 0 followed by 40mg Ixekizumab Q4W from week 4 to 8 followed by 40mg ixekizumab and placebo injection at week 12 by subcutaneous injection. Participants with >25kg received 40mg Ixekizumab at week 0 followed by 20mg Ixekizumab Q4W from week 4 to 8 followed by 20mg ixekizumab and placebo injection at week 12 by subcutaneous injection. | ||
Reporting group title |
Open-Label Etanercept
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Reporting group description |
Participants received 0.8mg/kg Etanercept not exceeding 50mg per dose every week from week 0 to week 11 by subcutaneous injection. |
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End point title |
Percentage of Participants with a ≥75% Improvement in Psoriasis Area and Severity Index (PASI 75) (Placebo and Ixekizumab) [1] | ||||||||||||
End point description |
PASI combines assessments of the extent of body surface involvement in 4 regions (head & neck(h), trunk(t), arms(u), legs(l)) & severity of scaling (S), redness (R), & plaque induration/infiltration (thickness, T) in each region. Severity is rated for each index (R, S, T) on a 0-4 scale (0 for no involvement up to 4 for severe involvement): 0 = none, 1 = slight, 2 = mild, 3 = moderate, 4 = severe
Fraction of total BSA affected is graded on a 0-6 scale (0 for no involvement to 6 for 90% - 100% involvement): 0 = 0% (clear), 1 = >0% to <10%, 2 = 10% to <30%, 3 = 30% to <50%, 4 = 50% to <70%, 5 = 70% to 90%, 6 = 90% to 100%.
Overall score ranges from 0 (no psoriasis) to 72 (most severe disease).
APD: All randomized Pts in placebo and Ixekizumab. Missing values were imputed by Nonresponder imputation.
Pts who do not meet the clinical response criteria or have missing clinical response data or without at least 1 post-baseline observation are considered as nonresponders for NRI analysis.
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End point type |
Primary
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End point timeframe |
Week 12
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Notes [1] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Per protocol, analysis was planned only for placebo & Ixekizumab arms. |
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Statistical analysis title |
Statistical Analysis 1 | ||||||||||||
Comparison groups |
Placebo v Ixekizumab
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Number of subjects included in analysis |
171
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Analysis specification |
Pre-specified
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Analysis type |
superiority | ||||||||||||
P-value |
< 0.001 | ||||||||||||
Method |
Fisher exact | ||||||||||||
Parameter type |
Mean difference (final values) | ||||||||||||
Point estimate |
63.7
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Confidence interval |
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level |
95% | ||||||||||||
sides |
2-sided
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lower limit |
51 | ||||||||||||
upper limit |
76.4 |
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End point title |
Percentage of Participants with a Static Physician Global Assessment (sPGA) (0,1) (Placebo and Ixekizumab) [2] | ||||||||||||
End point description |
Static Physician Global Assessment (sPGA): The physician’s global assessment of the Participant's psoriasis lesions at a given time point. Plaques are assessed for induration, erythema, and scaling, and an overall rating of psoriasis severity is given using the anchors of clear
(0), minimal (1), mild (2), moderate (3), severe (4), or very severe (5).
An sPGA assessed as either 0 or 1 represents a clinically meaningful response of minimal plaque severity or complete resolution of plaque psoriasis.
Analysis Population Description (APD): All randomized participants in placebo and Ixekizumab arms. Missing values were imputed by Nonresponder imputation (NRI).
Participants who do not meet the clinical response criteria or have missing clinical response data or without at least 1 post-baseline observation are considered as nonresponders for NRI analysis.
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End point type |
Primary
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End point timeframe |
Week 12
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Notes [2] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Per protocol, analysis was planned only for placebo & Ixekizumab arms. |
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Statistical analysis title |
Statistical Analysis 1 | ||||||||||||
Comparison groups |
Placebo v Ixekizumab
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Number of subjects included in analysis |
171
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Analysis specification |
Pre-specified
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Analysis type |
superiority | ||||||||||||
P-value |
< 0.001 | ||||||||||||
Method |
Fisher exact | ||||||||||||
Parameter type |
Mean difference (final values) | ||||||||||||
Point estimate |
70.2
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Confidence interval |
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level |
95% | ||||||||||||
sides |
2-sided
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lower limit |
59.3 | ||||||||||||
upper limit |
81 |
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End point title |
Percentage of Participants with a ≥90% Improvement in Psoriasis Area and Severity Index (PASI 90) [3] | ||||||||||||
End point description |
PASI combines assessments of the extent of body surface involvement in 4 regions (head & neck(h), trunk(t), arms(u), legs(l)) & severity of scaling (S), redness (R), & plaque induration/infiltration (thickness, T) in each region. Severity is rated for each index (R, S, T) on a 0-4 scale (0 for no involvement up to 4 for severe involvement): 0 = none, 1 = slight, 2 = mild, 3 = moderate, 4 = severe Fraction of total BSA affected is graded on a 0-6 scale (0 for no involvement to 6 for 90% - 100% involvement): 0 = 0% (clear), 1 = >0% to <10%, 2 = 10% to <30%, 3 = 30% to <50%, 4 = 50% to <70%, 5 = 70% to 90%, 6 = 90% to 100%.Overall score ranges from 0 (no psoriasis) to 72 (most severe disease).
APD: All randomized pts in placebo and Ixekizumab. Missing values were imputed by Nonresponder imputation.
Pts who do not meet the clinical response criteria or have missing clinical response data or without at least 1 post-baseline observation are considered as nonresponders for NRI analysis.
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End point type |
Secondary
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End point timeframe |
Week 12
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Notes [3] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Per protocol, analysis was planned only for placebo & Ixekizumab arms. |
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Statistical analysis title |
Statistical Analysis 1 | ||||||||||||
Comparison groups |
Placebo v Ixekizumab
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Number of subjects included in analysis |
171
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Analysis specification |
Pre-specified
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Analysis type |
superiority | ||||||||||||
P-value |
< 0.001 | ||||||||||||
Method |
Fisher exact | ||||||||||||
Parameter type |
Mean difference (final values) | ||||||||||||
Point estimate |
72.9
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Confidence interval |
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level |
95% | ||||||||||||
sides |
2-sided
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lower limit |
63.3 | ||||||||||||
upper limit |
82.5 |
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End point title |
Percentage of Participants with a sPGA (0) [4] | ||||||||||||
End point description |
Static Physician Global Assessment (sPGA): The physician's global assessment of the Participant's psoriasis lesions at a given time point. Plaques are assessed for induration, erythema, and scaling, and an overall rating of psoriasis severity is given using the anchors of clear (0), minimal (1), mild (2), moderate (3), severe (4), or very severe (5). An sPGA assessed as either 0 or 1 represents a clinically meaningful response of minimal plaque severity or complete resolution of plaque psoriasis.
An sPGA assessed as 0 represents a clinically important endpoint indicating complete resolution of plaque psoriasis.
APD:All randomized participants in placebo and Ixekizumab arms. Missing values were imputed by Nonresponder imputation.
Participants who do not meet the clinical response criteria or have missing clinical response data or without at least 1 post-baseline observation are considered as nonresponders for NRI analysis.
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End point type |
Secondary
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End point timeframe |
Week 12
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Notes [4] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Per protocol, analysis was planned only for placebo & Ixekizumab arms. |
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Statistical analysis title |
Statistical Analysis 1 | ||||||||||||
Comparison groups |
Placebo v Ixekizumab
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Number of subjects included in analysis |
171
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Analysis specification |
Pre-specified
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Analysis type |
superiority | ||||||||||||
P-value |
< 0.001 | ||||||||||||
Method |
Fisher exact | ||||||||||||
Parameter type |
Mean difference (final values) | ||||||||||||
Point estimate |
50.4
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Confidence interval |
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level |
95% | ||||||||||||
sides |
2-sided
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lower limit |
40.6 | ||||||||||||
upper limit |
60.2 |
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End point title |
Percentage of Participants with a 100% Improvement in Psoriasis Area and Severity Index (PASI 100) [5] | ||||||||||||
End point description |
PASI combines assessments of the extent of body surface involvement in 4 regions (head & neck(h), trunk(t), arms(u), legs(l)) & severity of scaling (S), redness (R), & plaque induration/infiltration (thickness, T) in each region. Severity is rated for each index (R, S, T) on a 0-4 scale (0 for no involvement up to 4 for severe involvement): 0 = none, 1 = slight, 2 = mild, 3 = moderate, 4 = severe Fraction of total BSA affected is graded on a 0-6 scale (0 for no involvement to 6 for 90% - 100% involvement): 0 = 0% (clear), 1 = >0% to <10%, 2 = 10% to <30%, 3 = 30% to <50%, 4 = 50% to <70%, 5 = 70% to 90%, 6 = 90% to 100%.
Overall score ranges from 0 (no psoriasis) to 72 (most severe disease).
APD: All randomized pts in placebo and Ixekizumab.Missing values were imputed by Nonresponder imputation.
Pts who do not meet the clinical response criteria or have missing clinical response data or without at least 1 post-baseline observation are considered as nonresponders for NRI analysis.
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
Week 12
|
||||||||||||
Notes [5] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Per protocol, analysis was planned only for placebo & Ixekizumab arms. |
|||||||||||||
|
|||||||||||||
Statistical analysis title |
Statistical Analysis 1 | ||||||||||||
Comparison groups |
Placebo v Ixekizumab
|
||||||||||||
Number of subjects included in analysis |
171
|
||||||||||||
Analysis specification |
Pre-specified
|
||||||||||||
Analysis type |
superiority | ||||||||||||
P-value |
< 0.001 | ||||||||||||
Method |
Fisher exact | ||||||||||||
Parameter type |
Odds ratio (OR) | ||||||||||||
Point estimate |
47.8
|
||||||||||||
Confidence interval |
|||||||||||||
level |
95% | ||||||||||||
sides |
2-sided
|
||||||||||||
lower limit |
38 | ||||||||||||
upper limit |
57.6 |
|
|||||||||||||
End point title |
Percentage of Participants with a ≥75% Improvement in Psoriasis Area and Severity Index (PASI 75) [6] | ||||||||||||
End point description |
PASI combines assessments of the extent of body surface involvement in 4 regions (head & neck(h), trunk(t), arms(u), legs(l)) & severity of scaling (S), redness (R), & plaque induration/infiltration (thickness, T) in each region. Severity is rated for each index (R, S, T) on a 0-4 scale (0 for no involvement up to 4 for severe involvement): 0 = none, 1 = slight, 2 = mild, 3 = moderate, 4 = severe Fraction of total BSA affected is graded on a 0-6 scale (0 for no involvement to 6 for 90% - 100% involvement): 0 = 0% (clear), 1 = >0% to <10%, 2 = 10% to <30%, 3 = 30% to <50%, 4 = 50% to <70%, 5 = 70% to 90%, 6 = 90% to 100%. Overall score ranges from 0 (no psoriasis) to 72 (most severe disease).
APD: All randomized pts in placebo and Ixekizumab. Missing values were imputed by Nonresponder imputation.
Pts who do not meet the clinical response criteria or have missing clinical response data or without at least 1 post-baseline observation are considered as nonresponders for NRI analysis.
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
Week 4
|
||||||||||||
Notes [6] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Per protocol, analysis was planned only for placebo & Ixekizumab arms. |
|||||||||||||
|
|||||||||||||
Statistical analysis title |
Statistical Analysis 1 | ||||||||||||
Comparison groups |
Placebo v Ixekizumab
|
||||||||||||
Number of subjects included in analysis |
171
|
||||||||||||
Analysis specification |
Pre-specified
|
||||||||||||
Analysis type |
superiority | ||||||||||||
P-value |
< 0.001 | ||||||||||||
Method |
Fisher exact | ||||||||||||
Parameter type |
Mean difference (final values) | ||||||||||||
Point estimate |
45
|
||||||||||||
Confidence interval |
|||||||||||||
level |
95% | ||||||||||||
sides |
2-sided
|
||||||||||||
lower limit |
33.2 | ||||||||||||
upper limit |
56.8 |
|
|||||||||||||
End point title |
Percentage of Participants with a Static Physician Global Assessment (sPGA) (0,1) [7] | ||||||||||||
End point description |
Static Physician Global Assessment (sPGA): The physician's global assessment of the Participant's psoriasis lesions at a given time point. Plaques are assessed for induration, erythema, and scaling, and an overall rating of psoriasis severity is given using the anchors of clear (0), minimal (1), mild (2), moderate (3), severe (4), or very severe (5). An sPGA assessed as either 0 or 1 represents a clinically meaningful response of minimal plaque severity or complete resolution of plaque psoriasis.
APD: All randomized participants in placebo and Ixekizumab arms. Missing values were imputed by Nonresponder imputation.
Participants who do not meet the clinical response criteria or have missing clinical response data or without at least 1 post-baseline observation are considered as nonresponders for NRI analysis.
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
Week 4
|
||||||||||||
Notes [7] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Per protocol, analysis was planned only for placebo & Ixekizumab arms. |
|||||||||||||
|
|||||||||||||
Statistical analysis title |
Statistical Analysis 1 | ||||||||||||
Comparison groups |
Placebo v Ixekizumab
|
||||||||||||
Number of subjects included in analysis |
171
|
||||||||||||
Analysis specification |
Pre-specified
|
||||||||||||
Analysis type |
superiority | ||||||||||||
P-value |
< 0.001 | ||||||||||||
Method |
Fisher exact | ||||||||||||
Parameter type |
Mean difference (final values) | ||||||||||||
Point estimate |
40.7
|
||||||||||||
Confidence interval |
|||||||||||||
level |
95% | ||||||||||||
sides |
2-sided
|
||||||||||||
lower limit |
29.3 | ||||||||||||
upper limit |
52 |
|
|||||||||||||
End point title |
Percentage of Participants with an Improvement of ≥4 in those who had a Baseline Itch Numeric Rating Scale (NRS) Score of ≥4 [8] | ||||||||||||
End point description |
Itch Numeric Rating Scale (NRS): is a single-item, patient-reported outcome (PRO) measure designed to capture the overall severity of a participant's itching due to his/her psoriasis by having the patient circle the integer that describes the worst level of itching in the past 24 hours on an 11-point NRS anchored at 0 representing “no itching” and 10 representing “worst itch imaginable.
APD: All randomized participants with baseline Itch NRS Score >=4 in placebo and Ixekizumab arms. Missing values were imputed by NRI. Participants who do not meet the clinical response criteria or have missing clinical response data or without at least 1 post-baseline observation are considered as nonresponders for NRI analysis.
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
Week 12
|
||||||||||||
Notes [8] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Per protocol, analysis was planned only for placebo & Ixekizumab arms. |
|||||||||||||
|
|||||||||||||
Statistical analysis title |
Statistical Anlaysis 1 | ||||||||||||
Comparison groups |
Placebo v Ixekizumab
|
||||||||||||
Number of subjects included in analysis |
123
|
||||||||||||
Analysis specification |
Pre-specified
|
||||||||||||
Analysis type |
superiority | ||||||||||||
P-value |
< 0.001 | ||||||||||||
Method |
Fisher exact | ||||||||||||
Parameter type |
Mean difference (final values) | ||||||||||||
Point estimate |
51.1
|
||||||||||||
Confidence interval |
|||||||||||||
level |
95% | ||||||||||||
sides |
2-sided
|
||||||||||||
lower limit |
35.3 | ||||||||||||
upper limit |
66.9 |
|
|||||||||||||
End point title |
Percentage of Participants Achieving Children’s Dermatology Life Quality Index (CDLQI)/Dermatology Life Quality Index (DLQI) (0/1) [9] | ||||||||||||
End point description |
DLQI is a validated, dermatology-specific, patient reported measure that evaluates participant's health-related quality of life. It consists of 10 items that are grouped in 6 domains: symptoms & feelings, daily activities, leisure, work & school , personal relationships, & treatment. The recall period of this scale is over the "last week." Response categories and corresponding scores are:
Very much = 3, A lot = 2, A little = 1, Not at all = 0, Not relevant = 0. A DLQI total score is calculated by summing all 10 items responses, and has a range of 0 to 30 (higher scores are indicative of greater impairment). CDLQI questionnaire is designed for use in children (4 to 16 years of age). It consists of 10 items that are grouped into 6 domains: symptoms & feelings, leisure, school or holidays, personal relationships, sleep, & treatment. A CDLQI total score is calculated by summing all 10 items responses, and has a range of 0 to 30 (higher scores are indicative of greater impairment).
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
Week 12
|
||||||||||||
Notes [9] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Per protocol, analysis was planned only for placebo & Ixekizumab arms. |
|||||||||||||
|
|||||||||||||
Statistical analysis title |
Statistical Analysis 1 | ||||||||||||
Comparison groups |
Placebo v Ixekizumab
|
||||||||||||
Number of subjects included in analysis |
171
|
||||||||||||
Analysis specification |
Pre-specified
|
||||||||||||
Analysis type |
superiority | ||||||||||||
P-value |
< 0.001 | ||||||||||||
Method |
Fisher exact | ||||||||||||
Parameter type |
Mean difference (final values) | ||||||||||||
Point estimate |
41.1
|
||||||||||||
Confidence interval |
|||||||||||||
level |
95% | ||||||||||||
sides |
2-sided
|
||||||||||||
lower limit |
27 | ||||||||||||
upper limit |
55.2 |
|
|||||||||||||
End point title |
Change from Baseline on the Nail Psoriasis Severity Index (NAPSI) [10] | ||||||||||||
End point description |
NAPSI is a numeric, reproducible, objective tool for evaluation of nail psoriasis. This scale was used to evaluate the severity of nail bed psoriasis and nail matrix psoriasis by area of involvement in the nail unit. Both fingernail and toenail involvement were assessed.The nail is divided with imaginary horizontal and longitudinal lines into quadrants. Each nail is given a score for nail bed psoriasis (0 to 4) and nail matrix psoriasis (0 to 4), depending on the presence (score of 1) or absence (score of 0) of any of the features of nail bed and nail matrix psoriasis in each quadrant:
0 = None
1 = present in one quadrant of nail
2 = present in two quadrants of nail
3 = present in three quadrants of nail
4 = present in four quadrants of nail
NAPSI score of a nail is the sum of scores in nail bed and nail matrix from each quadrant (maximum of 8). Each nail is evaluated, and the sum of all the fingernails and toenails is the total NAPSI score ranging from 0 (no nail Psoriasis).
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
Baseline, Week 12
All randomized pts with baseline & post baseline NAPSI score.LSMean was calculated using treatment, region, baseline sPGA score,baseline weight category, baseline value, visit, treatment-by-visit, & baseline-by-visit as fixed factors.
|
||||||||||||
Notes [10] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Per protocol, analysis was planned only for placebo & Ixekizumab arms. |
|||||||||||||
|
|||||||||||||
Statistical analysis title |
Statistical Analysis 1 | ||||||||||||
Comparison groups |
Placebo v Ixekizumab
|
||||||||||||
Number of subjects included in analysis |
46
|
||||||||||||
Analysis specification |
Pre-specified
|
||||||||||||
Analysis type |
superiority | ||||||||||||
P-value |
= 0.005 | ||||||||||||
Method |
Mixed models analysis | ||||||||||||
Parameter type |
Mean difference (final values) | ||||||||||||
Point estimate |
-17.04
|
||||||||||||
Confidence interval |
|||||||||||||
level |
95% | ||||||||||||
sides |
2-sided
|
||||||||||||
lower limit |
-28.7 | ||||||||||||
upper limit |
-5.38 | ||||||||||||
Variability estimate |
Standard error of the mean
|
||||||||||||
Dispersion value |
5.747
|
|
|||||||||||||
End point title |
Change from Baseline on the Psoriasis Scalp Severity Index (PSSI) [11] | ||||||||||||
End point description |
The scalp was assessed for erythema (redness), induration (hardness), and desquamation (shedding of skin) and percentage of area affected as follows:
Erythema, Induration and Desquamation:
0 = Absent
1 = Slight
2 = Moderate
3 = Severe
4 = Severest Possible
Percent of Scalp Involved:
1 = <10%
2 = 10% – 29%
3 = 30% – 49%
4 = 50% – 69%
5 = 70% – 89%
6 = 90% – 100%
The PSSI score is a composite score derived from the sum of the scores for erythema, induration and desquamation multiplied by the score for the extent of scalp area involved (percent of scalp involved). The range is 0 (no psoriasis) to 72 (Most severe Disease).
LSMean was calculated using mixed model repeated measures (MMRM) model treatment, region, baseline sPGA score, baseline weight category, baseline value, visit, treatment-by-visit, and baseline-by-visit interactions as fixed factors.
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
Baseline, Week 12
APD: All randomized pts with baseline & post-baseline PSSI score in placebo and Ixekizumab arms.
|
||||||||||||
Notes [11] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Per protocol, analysis was planned only for placebo & Ixekizumab arms. |
|||||||||||||
|
|||||||||||||
Statistical analysis title |
Statistical Analysis 1 | ||||||||||||
Comparison groups |
Placebo v Ixekizumab
|
||||||||||||
Number of subjects included in analysis |
152
|
||||||||||||
Analysis specification |
Pre-specified
|
||||||||||||
Analysis type |
superiority | ||||||||||||
P-value |
< 0.001 | ||||||||||||
Method |
Mixed models analysis | ||||||||||||
Parameter type |
Mean difference (final values) | ||||||||||||
Point estimate |
-15.36
|
||||||||||||
Confidence interval |
|||||||||||||
level |
95% | ||||||||||||
sides |
2-sided
|
||||||||||||
lower limit |
-18.69 | ||||||||||||
upper limit |
-12.04 | ||||||||||||
Variability estimate |
Standard error of the mean
|
||||||||||||
Dispersion value |
1.682
|
|
|||||||||||||
End point title |
Change from Baseline on the Palmoplantar Psoriasis Severity Index (PPASI) [12] | ||||||||||||
End point description |
PPASI was used if the participant has palmoplantar psoriasis at baseline. Both the palms & soles on each hand & foot was assessed for erythema, induration, desquamation & percentage of area affected as follows:
Erythema (E), Induration (I), & Desquamation (D):
0 = None, 1 = Slight, 2 = Moderate, 3 = Severe, 4 = Very Severe
Percent of Palm and Sole Area Covered:
0 = None, 1 = <10%, 2 = 10% – 29%, 3 = 30% – 49%, 4 = 50% – 69%, 5 = 70% – 89%, 6 = 90% – 100%
PPASI score is a composite score derived from the sum scores for E, I, & D multiplied by a score for the extent of palm & sole area involvement. The range is 0 (no psoriasis) to 72 (most severe disease).
APD: All randomized participants with baseline PPASI score in placebo and Ixekizumab arms. LSMean was calculated using MMRM with treatment, region, baseline sPGA score, baseline weight category, baseline value, visit, treatment-by-visit, and baseline-by-visit interactions as fixed factors.
|
||||||||||||
End point type |
Secondary
|
||||||||||||
End point timeframe |
Baseline, Week 12
|
||||||||||||
Notes [12] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Per protocol, analysis was planned only for placebo & Ixekizumab arms. |
|||||||||||||
|
|||||||||||||
Statistical analysis title |
Statistical Analysis 1 | ||||||||||||
Comparison groups |
Placebo v Ixekizumab
|
||||||||||||
Number of subjects included in analysis |
26
|
||||||||||||
Analysis specification |
Pre-specified
|
||||||||||||
Analysis type |
superiority | ||||||||||||
P-value |
= 0.006 | ||||||||||||
Method |
Mixed models analysis | ||||||||||||
Parameter type |
Mean difference (final values) | ||||||||||||
Point estimate |
-12.01
|
||||||||||||
Confidence interval |
|||||||||||||
level |
95% | ||||||||||||
sides |
2-sided
|
||||||||||||
lower limit |
-20.11 | ||||||||||||
upper limit |
-3.9 | ||||||||||||
Variability estimate |
Standard deviation
|
||||||||||||
Dispersion value |
3.853
|
|
|||||||||||||||||
End point title |
Number of Participants with Anti-Ixekizumab Antibodies | ||||||||||||||||
End point description |
Number of participants with anti-ixekizumab antibodies
|
||||||||||||||||
End point type |
Secondary
|
||||||||||||||||
End point timeframe |
Baseline through Week 48
|
||||||||||||||||
|
|||||||||||||||||
Notes [13] - Results will be reported after LPV. 99999=NA [14] - Results will be reported after LPV. 99999=NA [15] - Results will be reported after LPV. 99999=NA |
|||||||||||||||||
No statistical analyses for this end point |
|
|||||||||
End point title |
Pharmacokinetics (PK): Trough Ixekizumab Concentration at Steady State (Ctrough ss) [16] | ||||||||
End point description |
Pharmacokinetics (PK): Trough Ixekizumab Concentration at Steady State (Ctrough ss).
APD: All randomized participants in Ixekizumab week 12 PK samples.
|
||||||||
End point type |
Secondary
|
||||||||
End point timeframe |
Week 12
|
||||||||
Notes [16] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period. Justification: Per protocol, analysis was planned only for placebo & Ixekizumab arms. |
|||||||||
|
|||||||||
No statistical analyses for this end point |
|
|||||||||||||||||
End point title |
Percentage of Participants with a ≥75% Improvement in Psoriasis Area and Severity Index (PASI 75) (Etanercept approved countries) | ||||||||||||||||
End point description |
PASI combines assessments of the extent of body surface involvement in 4 regions (head & neck(h), trunk(t), arms(u), legs(l)) & severity of scaling (S), redness (R), & plaque induration/infiltration (thickness, T) in each region. Severity is rated for each index (R, S, T) on a 0-4 scale (0 for no involvement up to 4 for severe involvement): 0 = none, 1 = slight, 2 = mild, 3 = moderate, 4 = severe
Fraction of total BSA affected is graded on a 0-6 scale (0 for no involvement to 6 for 90% - 100% involvement): 0 = 0% (clear), 1 = >0% to <10%, 2 = 10% to <30%, 3 = 30% to <50%, 4 = 50% to <70%, 5 = 70% to 90%, 6 = 90% to 100%.
Overall score ranges from 0 (no psoriasis) to 72 (most severe disease).
Missing values were imputed by Nonresponder imputation.
Participants who do not meet the clinical response criteria or have missing clinical response data or without at least 1 post-baseline observation are considered as nonresponders for NRI analysis.
|
||||||||||||||||
End point type |
Secondary
|
||||||||||||||||
End point timeframe |
Week 12
APD: All randomized participants in Etanercept approved countries per protocol addendum.
|
||||||||||||||||
|
|||||||||||||||||
Statistical analysis title |
Statistical Anlaysis 1 | ||||||||||||||||
Comparison groups |
Open-Label Etanercept v Ixekizumab
|
||||||||||||||||
Number of subjects included in analysis |
68
|
||||||||||||||||
Analysis specification |
Pre-specified
|
||||||||||||||||
Analysis type |
superiority | ||||||||||||||||
P-value |
= 0.089 | ||||||||||||||||
Method |
Fisher exact | ||||||||||||||||
Parameter type |
Mean difference (final values) | ||||||||||||||||
Point estimate |
20.9
|
||||||||||||||||
Confidence interval |
|||||||||||||||||
level |
95% | ||||||||||||||||
sides |
2-sided
|
||||||||||||||||
lower limit |
0.1 | ||||||||||||||||
upper limit |
41.7 |
|
|||||||||||||||||
End point title |
Percentage of Participants with a Static Physician Global Assessment (sPGA) (0,1) (Etanercept approved countries) | ||||||||||||||||
End point description |
Static Physician Global Assessment (sPGA): The physician’s global assessment of the Participant's psoriasis lesions at a given time point. Plaques are assessed for induration, erythema, and scaling, and an overall rating of psoriasis severity is given using the anchors of clear
(0), minimal (1), mild (2), moderate (3), severe (4), or very severe (5).
An sPGA assessed as either 0 or 1 represents a clinically meaningful response of minimal plaque severity or complete resolution of plaque psoriasis.
APD: All randomized participants in Etanercept approved countries per protocol addendum. Missing values were imputed by Nonresponder imputation.
Participants who do not meet the clinical response criteria or have missing clinical response data or without at least 1 post-baseline observation are considered as nonresponders for NRI analysis.
|
||||||||||||||||
End point type |
Secondary
|
||||||||||||||||
End point timeframe |
Week 12
|
||||||||||||||||
|
|||||||||||||||||
Statistical analysis title |
Statistical Analysis 1 | ||||||||||||||||
Comparison groups |
Open-Label Etanercept v Ixekizumab
|
||||||||||||||||
Number of subjects included in analysis |
68
|
||||||||||||||||
Analysis specification |
Pre-specified
|
||||||||||||||||
Analysis type |
superiority | ||||||||||||||||
P-value |
= 0.07 | ||||||||||||||||
Method |
Fisher exact | ||||||||||||||||
Parameter type |
Mean difference (final values) | ||||||||||||||||
Point estimate |
23
|
||||||||||||||||
Confidence interval |
|||||||||||||||||
level |
95% | ||||||||||||||||
sides |
2-sided
|
||||||||||||||||
lower limit |
0.6 | ||||||||||||||||
upper limit |
45.4 |
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Adverse events information
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Timeframe for reporting adverse events |
Up to 12 weeks
|
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Adverse event reporting additional description |
All randomized participants.
|
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Assessment type |
Systematic | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Dictionary used for adverse event reporting
|
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Dictionary name |
MedDRA | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Dictionary version |
22.0
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Reporting groups
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Reporting group title |
Placebo
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Reporting group description |
Participants received matching placebo for Ixekizumab by subcutaneous injection. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
Open-Label Etanercept
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Reporting group description |
Participants with >50kg received 160mg Ixekizumab at week 0 followed by 80mg Ixekizumab every four weeks (Q4W) from week 4 to 8 followed by 80mg ixekizumab and placebo injection at week 12 by subcutaneous injection. Participants with 25 to 50kg received 80mg Ixekizumab at week 0 followed by 40mg Ixekizumab Q4W from week 4 to 8 followed by 40mg ixekizumab and placebo injection at week 12 by subcutaneous injection. Participants with >25kg received 40mg Ixekizumab at week 0 followed by 20mg Ixekizumab Q4W from week 4 to 8 followed by 20mg ixekizumab and placebo injection at week 12 by subcutaneous injection. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
Ixekizumab
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Reporting group description |
Participants received 0.8mg/kg Etanercept not exceeding 50mg per dose every week from week 0 to week 11 by subcutaneous injection. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Frequency threshold for reporting non-serious adverse events: 5% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Substantial protocol amendments (globally) |
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Were there any global substantial amendments to the protocol? No | |||
Interruptions (globally) |
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Were there any global interruptions to the trial? No | |||
Limitations and caveats |
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Limitations of the trial such as small numbers of subjects analysed or technical problems leading to unreliable data. | |||
None reported |