E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Active Psoriatic Arthritis |
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E.1.1.1 | Medical condition in easily understood language |
Active Psoriatic Arthritis |
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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 | 18.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10037160 |
E.1.2 | Term | Psoriatic arthritis |
E.1.2 | System Organ Class | 100000004859 |
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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 |
To compare the efficacy of abatacept to placebo as assessed by the ACR20 response at Day 169. |
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E.2.2 | Secondary objectives of the trial |
● To compare the efficacy of abatacept to placebo as assessed by the Health Assessment Questionnaire (HAQ) response at Day 169
● To compare the efficacy of abatacept to placebo in the subset of subjects who have never been exposed to TNFi therapy, as assessed by the ACR20 response at Day 169
● To compare the efficacy of abatacept to placebo in the subset of subjects who have previously taken TNFi therapy, as assessed by the ACR20 response at Day 169
● To compare the efficacy of abatacept to placebo as assessed by the proportion of subjects who do not show progression of x-rays [using the PsA modified Sharp/van der Heidje score (SHS)] from baseline to Day 169 |
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E.2.3 | Trial contains a sub-study | Yes |
E.2.3.1 | Full title, date and version of each sub-study and their related objectives |
● Intensive Pharmacokinetics/Pharmacodynamics (PK/PD) substudy (refer to main study Protocol sections 5.5.1 and 5.6.3):
Approximately 60 subjects will be enrolled. In addition to the samples drawn on Days 1, 85, and 169 for PK in all subjects, these subjects will also have PK samples drawn on Days 29, 57, 113, and anytime between Days 114 and 120. These subjects will also have samples drawn for flow cytometric T cell phenotyping on Days 1, 29, and 169.
● Skin Biopsy substudy (refer to main study Protocol sections 5.6.4 and 5.8.1):
Approximately 30 subjects will be enrolled. Biopsies will be taken on Day 1 and Day 169, for exploratory biomarker analysis including genome analysis and histology. These samples will be used to generate broad genomic profiling to search for novel pharmacodynamic and efficacy biomarkers related to inflammation, autoimmunity and costimulation-related pathways. Furthermore, these samples will be used to search for genes at baseline that may be predictive of efficacy for abatacept treated subjects. This pharmacogenomic analysis of skin biopsies will be done in countries where feasible based on regulatory requirements. |
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E.3 | Principal inclusion criteria |
• Subjects at least 18 years of age who have a diagnosis of PsA by Classification Criteria for Psoriatic Arthritis (CASPAR)
• Subjects have active PsA as shown by a minimum of ≥ 3 swollen joints and ≥ 3 tender joints (66/68 joint counts) at screening and randomization/Day 1 (prior to study drug administration). At least one of the swollen joints must be in the digit of the hand or foot.
• Subjects with at least one confirmed ≥ 2 cm target lesion of plaque psoriasis in a region of the body that can be evaluated.
• Subjects must have had an inadequate response or intolerance to at least one non-biologic disease-modifying anti-rheumatic drug (DMARD).
• Subjects may have been exposed to TNFi therapy. Subjects may have discontinued for any reason (inadequate response, intolerance or other).
• Subjects may enroll on certain concomitant non-biologic DMARDs (methotrexate, leflunomide, sulfasalazine, or hydroxychloroquine) provided the medication has been used for at least 3 months with a stable dose for at least 28 days prior to randomization (Day 1).
• If using oral corticosteroids (≤ 10 mg mg/day prednisone equivalent), dose must be stable ≥14 days prior to randomization (Day 1).
• Subjects may enroll on systemic retinoids (eg, acitretin) provided the medication has been used for at least 3 months with a stable dose for at least 28 days prior to randomization (Day 1).
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E.4 | Principal exclusion criteria |
• Subjects with guttate, pustular, or erythrodermic psoriasis
• Subjects who have had prior exposure to abatacept (CTLA 4Ig)
• Subjects who have been exposed to any investigational drug within 4 weeks or 5 half lives, whichever is longer
• Prior use of apremilast or ustekinumab
• Female subjects who had a breast cancer screening study that is suspicious for malignancy, and in whom the possibility of malignancy cannot be reasonably excluded following additional clinical, laboratory or other diagnostic evaluations
• Subjects with a history of cancer within the last 5 years (other than non-melanoma skin cell cancers cured by local resection). Existing non-melanoma skin cell cancers must be removed prior to dosing. Subjects with carcinoma in situ, treated with definitive surgical intervention prior to study enrollment are allowed.
• Subjects with any bacterial infection within the last 60 days prior to screening (enrollment), unless treated and resolved with antibiotics, or any chronic bacterial infection (such as chronic pyelonephritis, osteomyelitis and bronchiectasis).
• Subjects at risk for tuberculosis
• Subjects with herpes zoster that resolved less than 2 months prior to enrollment
• Subjects with evidence of active or latent bacterial, active viral, or serious latent viral infections at the time of enrollment, including subjects with evidence of Immunodeficiency Virus (HIV) infection
• Subjects who are not currently treated with a non-biologic DMARD and have clinical or radiographic evidence of arthritis mutilans (eg, digital telescoping or “pencil-in-cup” radiographic changes)
• Subjects who have taken >2 TNFis
• Subjects who have received TNFi therapy within 8 weeks for adalimumab, etanercept, or certolizumab or within 12 weeks for infliximab or golimumab
• Subjects who have discontinued a non-biologic DMARD or systemic retinoid within four weeks or five half-lives, whichever is longer, prior to randomization (Day 1)
• Use of any of the following within 28 days or five half lives whichever is longer prior to randomization (Day 1): cyclosporine A, oral tacrolimus, mycophenolate mofetil (MMF), hydroxyurea, fumaric acid esters, paclitaxel, 6-thioguanine, 6-mercatopurine, or tofacitinib
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E.5 End points |
E.5.1 | Primary end point(s) |
Proportion of ACR20 responders |
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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) |
1) HAQ responders
2) ACR20 responders (TNF-naïve)
3) ACR20 responders (TNFi exposed)
4) Non-progressors in total PsA modified SHS
5) PASI50 responders
6) ACR50 responders
7) ACR70 responders
8) Mean change in the SF36 subscales.
9) Immunogenicity
10) Safety
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
1) Day 169
2) Day 169
3) Day 169
4) Day 169
5) Day 169
6) Day 169
7) Day 169
8) Day 169
9) Day 1 to Day 169
10) Day 1 to Day 169
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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 | Yes |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | Yes |
E.6.7 | Pharmacodynamic | Yes |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | Yes |
E.6.11 | Pharmacogenomic | Yes |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | Yes |
E.6.13.1 | Other scope of the trial description |
• Health Assessment Questionnaire Disability Index (HAQ/HAQ-DI)
• Functional Assessment of Chronic Illness Therapy - Fatigue Subscale (FACIT-Fatigue, Version 4)
• Short Form 36 (SF-36)/Health-Related Quality of Life
• Dermatology Life Quality Index (DLQI)
• Skin Biopsy Substudy
• Immunogenicity assessments
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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 | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | Yes |
E.8.1.5 | Parallel group | Yes |
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 | Yes |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 2 |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 5 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 33 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
Argentina |
Brazil |
Canada |
Chile |
Colombia |
Czech Republic |
France |
Germany |
Greece |
Israel |
Italy |
Mexico |
Peru |
Poland |
South Africa |
Spain |
United States |
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E.8.7 | Trial has a data monitoring committee | No |
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.8.9.1 | In the Member State concerned years | 3 |
E.8.9.1 | In the Member State concerned months | 6 |
E.8.9.1 | In the Member State concerned days | 0 |
E.8.9.2 | In all countries concerned by the trial years | 3 |
E.8.9.2 | In all countries concerned by the trial months | 4 |
E.8.9.2 | In all countries concerned by the trial days | 0 |