E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
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E.1.1.1 | Medical condition in easily understood language |
Ankylosing Spondylitis is a form of arthritis that primarily affects the spine. |
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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 | 20.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10002556 |
E.1.2 | Term | Ankylosing spondylitis |
E.1.2 | System Organ Class | 10028395 - Musculoskeletal and connective 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 |
Evaluate the efficacy of bimekizumab compared to certolizumab pegol (CZP) in the treatment of subjects with active Ankylosing Spondylitis (AS) |
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E.2.2 | Secondary objectives of the trial |
Assess the safety and the tolerability of bimekizumab |
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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 |
a) Additional blood samples will be collected from subjects who consent to participate in the pharmacogenetic and pharmacogenomic substudy at specific time points.
b) PET-CT or PET-MRI scans will be performed in a PET-MRI or PET-CT substudy of at least 25 subjects at selected sites. |
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E.3 | Principal inclusion criteria |
- Documented diagnosis of active adult-onset Ankylosing Spondylitis (AS) as defined by documented radiologic evidence (X-ray) fulfilling the Modified New York criteria for AS (1984) of at least 3 months’ symptom duration and age of onset <45 years
- Subject has moderate to severe active disease at the Screening Visit as defined by each of the following:
a) Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) score >=4
b) Spinal pain >=4 on a 0 to 10 numeric rating scale (NRS) (from BASDAI Item 2)
- Subjects must have had an inadequate response to, have a contraindication to, or have been intolerant to at least 2 nonsteroidal anti-inflammatory drugs (NSAIDs)
- Subjects taking corticosteroids must be on a maximum daily dose of <=10mg/day oral prednisolone or equivalent
- Subjects taking methotrexate (MTX; <=25mg/week) are allowed to continue their medication if they received a stable dose for at least 12 weeks before randomization
- Subjects taking sulfasalazine (up to 3grams/day) or hydroxychloroquine (up to 400mg per day total) are allowed to continue their medication if started at least 12 weeks prior to randomization
- Subject who has been on an anti-tumor necrosis factor alpha (TNFα) agent must have experienced an inadequate response to previous or current treatment given at an approved dose for at least 3 months or have been intolerant to at least 1 administration of an anti-tumor necrosis factor alpha (TNF) agent. Subjects may not have been on more than 1 anti-TNF agent.
- Subject has high-sensitive C-Reactive Protein (hsCRP) levels above ULN at the Screening Visit
- Female subjects must be postmenopausal, permanently sterilized or, if of childbearing potential, must be willing to use a highly effective method of contraception up till 20 weeks after last administration of Investigational Medicinal Product (IMP)
- Male subjects with a partner of childbearing potential must be willing to use a condom when sexually active, up till 20 weeks after the last administration of IMP
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E.4 | Principal exclusion criteria |
- Subjects with a total ankylosis of the spine, or a diagnosis of any other inflammatory arthritis eg, rheumatoid arthritis (RA), sarcoidosis, systemic lupus erythematosus, or reactive arthritis
- Subjects with any current sign or symptom that may indicate an active infection (except for the common cold)
- Subject has received previous or current biological treatment other than TNFα inhibitor treatment
- Subject has chronic, recurrent, recent serious / life-threatening or current infection, as defined in the protocol
- Subject has history of certain atypical infections, viral hepatitides, human immunodeficinecy virus (HIV) infection, tuberculosis, as defined in the protocol
- Subjects receiving any live vaccination within the 8 weeks prior to Baseline
- Subjects with known tuberculosis (TB) infection, at high risk of acquiring TB infection, with latent TB infection or current or history of nontuberculous mycobacteria (NTMB) infection
- Subject has immunosuppressive condition or treatment, recent history of malignancy (some exceptions) or demyelinating disease
- Subjects with concurrent malignancy or a history of malignancy during the past 5 years will be excluded, with following exceptions that may be included:
a. <= 3 excised or ablated basal cell carcinomas of the skin
b. One squamous cell carcinoma of the skin (stage T1 maximum) successfully excised, or ablated only (other treatments, ie, chemotherapy, do not apply), with no signs of recurrence or metastases for more than 2 years prior to Screening
c. Actinic keratosis (-es)
d. Squamous cell carcinoma-in-situ of the skin successfully excised, or ablated, more than 6 months prior to Screening
- Subject has history of psychiatric disorder, including suicidality (as defined in the protocol
- Subject has major abnormalities on laboratory testing, as defined in the protocol
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E.5 End points |
E.5.1 | Primary end point(s) |
1. Change from Baseline in Ankylosing Spondylitis Disease Activity Score (ASDAS) at Week 12
2. Incidence of Adverse Events (AE) during the study conduct
3. Incidence of Serious Adverse Events (SAEs) during the study conduct
4. Number of subjects who withdrew due to an Adverse Event (AE) during the study conduct
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
1: From Baseline to Week 12
2-4: From Screening until Safety Follow-Up Visit (up to Week 64)
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E.5.2 | Secondary end point(s) |
1. Percentage of subjects with Ankylosing Spondylitis Disease Activity Score -Inactive Disease (ASDAS-ID) at Week 12
2. Percentage of subjects with Ankylosing Spondylitis Disease Activity Score - Major Improvement (ASDAS-MI) at Week 12
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
1: Week 12
2: Baseline, Week 12 |
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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 |
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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) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
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) | Yes |
E.8.2.2 | Placebo | No |
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
| Yes |
E.8.4 | The trial involves multiple sites in the Member State concerned | No |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 20 |
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 |
Australia |
Czech Republic |
Germany |
Greece |
Moldova, Republic of |
Netherlands |
Poland |
Russian Federation |
United States |
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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.8.9.1 | In the Member State concerned years | 1 |
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 | 1 |
E.8.9.2 | In all countries concerned by the trial months | 7 |
E.8.9.2 | In all countries concerned by the trial days | 2 |