E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Pediatric plaque psoriasis |
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E.1.1.1 | Medical condition in easily understood language |
Plaques psoriasis in children |
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E.1.1.2 | Therapeutic area | Diseases [C] - Immune System Diseases [C20] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 14.1 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10037153 |
E.1.2 | Term | Psoriasis |
E.1.2 | System Organ Class | 10040785 - Skin and subcutaneous tissue disorders |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
The primary objective was to evaluate the safety of long-term administration of etanercept in pediatric subjects with moderate to severe plaque psoriasis. |
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E.2.2 | Secondary objectives of the trial |
The secondary objective was to evaluate the long-term efficacy of etanercept administration in pediatric subjects with moderate to severe plaque psoriasis |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
• Subjects must have met one of the following conditions on the original study 20030211
o Complete the week 48 visit on the original study 20030211
o Complete at least the week 12 visit on the original study 20030211 and have received benefit from the investigational product therapy as demonstrated by achieving ≥PASI 50 on or after week 12.
• Heterosexual active male and female subjects must practice a method of birth control (considered effective and medically acceptable by the investigator) during the study, including screening.
• An adult must be available to assist with administering SC injections of etanercept and/or subjects must be capable of performing self-injection technique, in the judgement of the investigator.
• Before any study-specific procedure, the appropriate written informed consent and asset must be obtained
• Subjects entering the study following an interruption of investigational product administration > 4 weeks between the last dose on the original study 20030211 and the first dose on this exension study 20050111, must meet the following additional criteria
o No active guttate, erythrodermic, or pustular psoriasis during the screening period
o No presence of a grade 3 or 4 infection≤ 30 days before the first screening visit or during the screening period
o ALT or AST ≤ 2.0 times the upper limit of normal for the age range
o Creatinine ≤ 1.5 times the upper limit of normal for the age range
o White blood cell count ≥2.0 x 109/L.
o Hemoglobin ≥ 8.5 g/dL
o Platelet count≥ 150 x 109/L.
o Female subjects of childbearing potential must have negative serum pregnancy test at screening and a urine pregnancy test at day 1. A female subject of childbearing potential is defined as a female who has had at least one menstrual period, regardless of age.
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E.4 | Principal exclusion criteria |
• Any serous adverse event reported during the original study 20030211 and considered to be related to investigational product
• Any grade 3 or 4 adverse event reported during the original study 20030211 and considered related to study drug must be discussed between Amgen and the investigator
• Receipt of PUVA, UVB, UVA, systemic psoriasis therapy other than etanercept (eg: methotrexate, cyclosporine), parenteral corticosteroids, oral corticosteroids, or potent topical steroids ≤ 14 days before the first dose on this extension study 20050111. Poteent topical steroids are defined as greater than moderate strength according to the package insert.
• Receipt of systemic biologics or investigational product(s) other than etanercept (eg: Raptiva, Amevive) ≤ 30 days before the first dose on this extension study 20050111.
• Receipt of live attenuated vaccines ≤12 weeks prior to the first dose on this extension study 20050111 (eg: MMR, Varicella, or intranasal influenza vaccine [Flumist®]).
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E.5 End points |
E.5.1 | Primary end point(s) |
The primary endpoint was the occurrence of adverse events, including infectious episodes, serious adverse events, and serious infectious episodes. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
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E.5.2 | Secondary end point(s) |
Secondary endpoints included:
• Psoriasis Area and Severity Index (PASI) 50, PASI 75, PASI 90 response, percent improvement from Study 20030211 baseline in PASI score, Static Physician Global Assessment (sPGA), clear and clear/almost clear status of sPGA, percent improvement fro Study 20030211 baseline in Children’s Dermatology Life Quality Index (CDLQI), percent improvement from Study 20030211 baseline in CDLQI subscales, improvement from Study 20030211 baseline in joint pain.
• Secondary safety endpoints included injections site reactions, exposure-adjusted event rates for adverse events, infections, and injection site reactions, physical examination including height and weight, vital signs, and laboratory toxicity based on the common toxicity criteria (CDC). Antinuclear antibody and anti-etanercept antibody formation.
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
Every three months except for urinanalysis (every 6 months) and antinuclear/anti-etanercept antibody (completed at weeks 48, 96, 144 and 168) |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | Yes |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | No |
E.8.1.1 | Randomised | No |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | No |
E.8.3 |
Will this trial be conducted at a single site globally?
| No |
E.8.4 | Will this trial be conducted at multiple sites globally? | Yes |
E.8.6 Trial involving sites outside the EEA |
E.8.6.2 | Trial being conducted completely outside of the EEA | Yes |
E.8.6.3 | Specify the countries outside of the EEA in which trial sites are planned |
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E.8.7 | Trial has a data monitoring committee | Yes |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.2 | In all countries concerned by the trial years | 6 |
E.8.9.2 | In all countries concerned by the trial months | 3 |
E.8.9.2 | In all countries concerned by the trial days | 7 |