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 |
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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 | 21.0 |
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 examine the efficacy of baricitinib 4 mg, once daily, versus placebo on signs and symptoms of arthritis as measured by ACR20 response at Week 16 |
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E.2.2 | Secondary objectives of the trial |
2. To compare baricitinib 4 mg, once daily, to placebo in the overall study population.
3. To compare baricitinib 2 mg, once daily, to placebo in the overall study population.
4. To compare baricitinib 4 mg, once daily, to placebo in the subgroup of biologic naïve patients.
5. To compare baricitinib 4 mg, once daily, to placebo in the overall study population.
6. To compare baricitinib 4 mg, once daily, to placebo in the overall study population
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
• At least 18 years in age.
• Male or Female.
• Presents with established diagnosis of active psoriatic arthritis (PsA) for at least 6 months, and currently meets Classification for Psoriatic Arthritis (CASPAR) criteria.
• Active PsA defined as the presence of at least 3 tender and at least 3 swollen joints.
• Have active plaque psoriatic skin lesion.
• Have at least 1 joint erosion on hand or foot x-rays as determined by the central reader OR have a hsCRP ≥6 milligrams per litre (0.6 mg/dL) at screening.
• Participants who have active PsA despite current or prior nonsteroidal anti-inflammatory drug (NSAIDs) or conventional disease-modifying antirheumatic drugs (cDMARDs) or biologic disease-modifying antirheumatic drugs (bDMARDs).
• Men must agree to use a reliable method of birth control or remain abstinent during the study and for at least 4 weeks after stopping treatment.
• Women must agree to use reliable birth control or remain abstinent during the study and for at least 4 weeks after stopping treatment.
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E.4 | Principal exclusion criteria |
• Have autoimmune or inflammatory conditions other than PsA that might confound the evaluation of the benefit of baricitinib therapy.
• Received any Janus kinase (JAK) inhibitors (including, but not limited to, tofacitinib or baricitinib) previously or concurrently.
• Serious disorder or illness other than psoriatic arthritis.
• Clinically serious infection or received intravenous antibiotics for an infection, within the past 4 weeks of randomization
• Pregnant or breast feeding, females of child-bearing potential not using highly effective contraception. |
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E.5 End points |
E.5.1 | Primary end point(s) |
Proportion of Participants Achieving American College of Rheumatology (ACR20) Response. |
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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) |
2. Change from Baseline in Health Assessment Questionnaire Disability Index (HAQ-DI) Scores
3. Proportion of Participants Achieving ACR20 Response and change from baseline in HAQ-DI
4. Proportion of Participants Achieving ACR20 Response and change from baseline in HAQ-DI
5. Change from Baseline in Modified Total Sharp Score (mTSS)
6. Proportion of Participants Achieving PASI75 Response in the Participants with Baseline Psoriatic Lesion Involving ≥3% Body Surface Area (BSA) AND Proportion of Patients Achieving MDAPASI AND Change from Baseline in Spondyloarthritis Research Consortium of Canada (SPARCC) Enthesitis Index in the Participants with Enthesitis at Baseline AND Change from Baseline in the Leeds Dactylitis Index - Basic (LDI-B) in the Participants with Dactylitis at Baseline |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
Endpoints 2, 3, 5, 6: Week 16
Endpoint 4: Week 24 |
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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 | 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 | 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 | 3 |
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 | 3 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 42 |
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 |
Australia |
China |
India |
Japan |
Mexico |
Taiwan |
United States |
Poland |
Romania |
Spain |
Czechia |
Germany |
Italy |
Hungary |
Russian Federation |
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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 | 1 |
E.8.9.1 | In the Member State concerned days | |
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 | 1 |