E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
moderate-to-severe plaque psoriasis |
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E.1.1.1 | Medical condition in easily understood language |
moderate-to-severe plaque psoriasis |
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E.1.1.2 | Therapeutic area | Diseases [C] - Skin and Connective Tissue Diseases [C17] |
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 | 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 |
To evaluate the efficacy, defined as Psoriasis Area and Severity Index (PASI) 90 response, of different dose levels of ABY-035 compared to placebo in subjects with moderate-to-severe plaque psoriasis after 12 weeks of treatment. |
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E.2.2 | Secondary objectives of the trial |
1. Evaluate safety, tolerability of ABY-035 2. Evaluate efficacy of ABY-035 vs placebo after 12w treatment 3. Evaluate efficacy, defined as PASI 90 response, of different dosing regimens of ABY-035 in subjects with moderate-to-severe plaque psoriasis after 24, 52, 76, 104, 128, 156, 180, 208, 232, 260 w of treatment 4. Evaluate efficacy, defined as PASI 50, 75 and 100 responses, absolute PASI scores, sPGA scores, target NAPSI scores of different ABY-035 dosing regimens in subjects with moderate-to-severe plaque psoriasis after 12, 24, 52, 76, 104, 128 156, 180, 208, 232 and 260 w of treatment (NAPSI scores not evaluated at W 76, 128, 180, 232) 5. Evaluate change in PROs, using the DLQI, the pain-VAS and the itch-VAS following 12, 24, 52, 76, 104, 128, 156, 180, 208, 232 and 260 w of treatment with different ABY-035 dosing regimens in subjects with moderate-to-severe plaque psoriasis 6. Evaluate PK of ABY-035 after multiple subcutaneous dosing 7. Assess immunogenicity of ABY-035 |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Willingness and capability of providing written Informed Consent 2. Male or female, aged 18-75 years (inclusive), and of any origin 3.Diagnosed with plaque psoriasis of at least 6 months prior to Screening, suitable for systemic treatment or phototherapy, and has stable active plaque-type psoriasis (stable is defined as without clinically significant flares during the 12 weeks before randomization). Subjects with low active Psoriatic Arthritis may be included if they had not received systemic treatment within the last 12 months 4. Having precedent failure, intolerance and/or contraindication to at least two standard therapies for moderate-to-severe plaque psoriasis (systemic therapy and/or phototherapy) and previous insufficient disease control of topical therapy (e.g. corticosteroids, vitamin D derivatives, cignolin/dithranol) 5. Moderate-to-severe plaque psoriasis at Screening and at Baseline as defined by: i. Psoriasis involving ≥10% BSA ii. PASI score of ≥ 12 iii. sPGA score of ≥ 3 6. Willingness and capability of using adequate contraceptive measures from Screening visit until the Pregnancy follow-up Visit: i. Female subject of childbearing potential using a highly efficient method of contraception OR female subjects of non-childbearing potential (permanently sterilized or post-menopausal [i.e. at least 12 consecutive months with amenorrhea without other known or suspected medical cause]) ii. Male subject, and their female partner of childbearing potential, using a highly efficient method of contraception iii. Adequate contraceptive method defined as: a. A method with less than 1% failure rate (e.g. permanent sterilization, hormone implants, hormone injections, some intrauterine devices, or vasectomized partner) OR b. The use of two methods of contraception (e.g. one barrier method [condom, diaphragm or cervical/vault caps] with spermicide and one hormonal contraceptive [e.g. combined oral contraceptives, patch, vaginal ring, injectables and implants]) 7. Willingness and capability of complying with all study procedure requirements, as per the Investigator’s judgment |
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E.4 | Principal exclusion criteria |
1. Current forms of psoriasis other than chronic plaque-type 2. Current drug induced psoriasis 3. History of hypersensitivity or allergy to the IMP or its excipients 4. History of recurrent or medically important infections in the last 12 months that required medical/pharmaceutical intervention 5. Clinically significant candida infection requiring systemic treatment within last 12 months 6. Clinically significant skin infection with Staphylococcus aureus requiring systemic treatment within the last 12 months 7. History of or any signs of lymphoproliferative disease, or a known malignancy or a history of malignancy within the previous 5 years (with the exception of basal cell or squamous cell carcinoma of the skin that had been fully excised with no evidence of recurrence) 8. History of or current relevant autoimmune diseases other than psoriasis 9. Diagnosis of Inflammatory Bowel Disease requiring treatment within the past 12 months 10. Clinically significant heart condition which is not well controlled by current therapy, as assessed by the Investigator 11. Underlying conditions which in the opinion of the Investigator significantly immunocompromises the subject and/or places the subject at unacceptable risk for receiving an immunomodulatory therapy 12. Any medical or psychiatric condition which, in the Investigator’s opinion, would preclude the subject from adhering to the protocol or completing the study per protocol 13. Current uncontrolled arterial hyper- or hypotension as evidenced by measured blood pressure values at Screening (after 15 min in supine position) outside the following ranges: -Systolic blood pressure: ≤90 mmHg or > 140 mmHg -Diastolic blood pressure: ≤50 mmHg or ≥95 mmHg 14. Alanine aminotransferase or aspartate aminotransferase level ≥2.5 times the upper limit of normal at Screening 15. Estimated Glomerular Filtration Rate <60 mL/min/1.73 m2 according to the CKD-EPI equation 16. Positive test for subclinical / latent tuberculosis infection at Screening 17. Positive test for human immunodeficiency virus, hepatitis B or hepatitis C at Screening: -HIV antibody (any test) -HBV surface antigen -Anti-HCV antibody 18. Women who are currently pregnant, who intend to become pregnant during the course of the study, or who are breastfeeding 19. Evidence or indication of drug and/or alcohol abuse or dependence, according to the judgment of the Investigator 20. Recent previous exposure to systemic psoriasis treatments within the following weeks prior to randomization: biological therapies (e.g. ustekinumab [16 weeks], adalimumab, alefacept, infliximab [12 weeks], etanercept [6 weeks], experimental biological products [6 months or 5 half-lives, whichever is longer]); immunosuppressive agents [4 weeks]; other medications affecting the immune function [4 weeks]; rituximab [52 weeks]; or other systemic psoriasis treatments [4 weeks] 21. Treatment with topical agents that could affect psoriasis activity within 2 weeks of randomization. Topical therapy in selected areas such as the groin or axillar region with mild corticosteroids (European classification 1) is not excluded 22. Prior exposure to systemic psoriasis treatments with anti-IL-17 biological therapies 23. Photochemotherapy, phototherapy, or blue light therapy within 4 weeks of randomization 24. Use of any prescribed or non-prescribed systemic or topical medication within 7 days of randomization that, in the opinion of the Investigator, may affect the study assessments or compromise safety 25. Participation in another clinical trial within 30 days prior to Screening or administration of another IMP within 5 half-lives (for biologics, 6 months or 5 half-lives) prior to randomization, whichever is longer 26. Have had a live vaccination within 12 weeks of randomization, or intend to have a live vaccination during the course of the study or within 15 weeks of completing treatment in this study, or have participated in a vaccine clinical study within 12 weeks of randomization 27. Inability or unwillingness to limit ultraviolet light exposure during the course of the study 28. Subject was previously randomized in the current study 29. Subject is an Investigator, study site or Sponsor personnel directly affiliated with this study and/or their immediate families 30. Subject is considered to belong to a vulnerable population |
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E.5 End points |
E.5.1 | Primary end point(s) |
Proportion of subjects at each dose level who achieve a ≥90% reduction in PASI score (PASI 90 response) at Week 12 of the Core study |
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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. Safety as assessed by vital signs, physical examination, safety laboratory and adverse events (AEs) 2.1. Difference to placebo per dose level in the proportion of subjects achieving PASI 50, 75, 90 and 100 responses, absolute PASI score < 3 and ≤1, sPGA of 0 or 1 and ≥2-point improvement from Baseline, DLQI of 0 or 1 after 12 weeks of treatment of the Core study 2.2. Difference to placebo per dosing regimen in change from Baseline in absolute PASI score, sPGA, target nail NAPSI, DLQI, Pain-VAS and Itch-VAS after 12 weeks of treatment of the Core study 3. Proportion of subjects per dosing regimen achieving PASI 90 response at Week 24 and 52 of the Core study 4.1. Proportion of subjects per dosing regimen achieving PASI 50, 75, and 100 responses at Week 12, 24 and 52 of the Core study 4.2. Proportion of subjects per dosing regimen achieving absolute PASI < 3 response at Week 12, 24 and 52 of the Core study 4.3. Proportion of subjects per dosing regimen achieving absolute PASI ≤1 response at Week 12, 24 and 52 of the Core study 4.4. Change from Baseline to Week 12, 24 and 52 of the Core study in PASI score 4.5. Proportion of subjects per dosing regimen achieving sPGA of 0 or 1 and ≥2-point improvement from Baseline at Week 12, 24 and 52 of the Core study 4.6. Change from Baseline to Week 12, 24 and 52 of the Core study in sPGA score 4.7. Change from Baseline to Week 12, 24 and 52 of the Core study in target nail NAPSI score 5.1. Proportion of subjects per dosing regimen achieving DLQI of 0 or 1 at Week 12, 24 and 52 of the Core study, compared to the proportion of subjects scoring DLQI 0 or 1 at Baseline (Visit 2) 5.2. Proportion of subjects per dosing regimen achieving DLQI of ≤ 5 at Week 12, 24 and 52 of the Core study, compared to the proportion of subjects scoring DLQI ≤ 5 at Baseline (Visit 2) 5.3. DLQI score at Week 12, 24 and 52 of the Core study compared to Baseline (Visit 2) 5.4. Pain-VAS score at Week 12, 24 and 52 of the Core study compared to Baseline (Visit 2) 5.5. Itch-VAS score at Week 12, 24 and 52 of the Core study compared to Baseline (Visit 2) 6. ABY-035 PK exposure 7. Levels of anti-ABY-035 antibodies in the blood
Extension period 1. Long-term safety and tolerability as assessed by vital signs, physical examination, safety laboratory and AEs 2. Proportion of subjects per dosing regimen achieving PASI 90 responses at Week 24 and 52 of each year of the Extension periods (study weeks; 76, 104, 128, 156, 180, 208, 232 and 260) 3.1. Proportion of subjects per dosing regimen achieving PASI 50, 75, and 100 responses at Week 24 and 52 of each year of the extension periods (study weeks; 76, 104, 128, 156, 180, 208, 232 and 260) 3.2. Proportion of subjects per dosing regimen achieving absolute PASI < 3 response at Week 24 and 52 of each year of the extension periods (study weeks; 76, 104, 128, 156, 180, 208, 232 and 260) 3.3. Proportion of subjects per dosing regimen achieving absolute PASI ≤1 response at Week 24 and 52 of each year of the extension periods (study weeks; 76, 104, 128, 156, 180, 208, 232 and 260) 3.4. Change from baseline to Week 24 and 52 of each year of the extension periods (study weeks; 76, 104, 128, 156, 180, 208, 232 and 260) in PASI score 3.5. Proportion of subjects per dosing regimen achieving sPGA of 0 or 1 and ≥2-point improvement from baseline at Week 24 and 52 of each year of the extension periods (study weeks; 76, 104, 128, 156, 180, 208, 232 and 260) 3.6. Change from baseline to Week 24 and 52 of each year of the extension periods (study weeks; 76, 104, 128, 156, 180, 208, 232 and 260) in sPGA score 4.1. Proportion of subjects per dosing regimen achieving DLQI of 0 or 1 at Week 24 and 52 of each year of the extension periods (study weeks; 76, 104, 128, 156, 180, 208, 232 and 260), compared to the proportion of subjects scoring DLQI 0 or 1 at baseline. 4.2. Proportion of subjects per dosing regimen achieving DLQI of ≤ 5 at Week 24 and 52 of each year of the extension periods (study weeks; 76, 104, 128, 156, 180, 208, 232 and 260), compared to the proportion of subjects scoring DLQI ≤ 5 at baseline 4.3. DLQI score at Week 24 and 52 of each year of the extension periods (study weeks; 76, 104, 128, 156, 180, 208, 232 and 260) compared to Baseline 4.4. Pain-VAS score at Week 24 and 52 of each year of the extension periods (study weeks; 76, 104, 128, 156, 180, 208, 232 and 260) compared to Baseline 4.5. Itch-VAS score at Week 24 and 52 of each year of the extension periods (study weeks; 76, 104, 128, 156, 180, 208, 232 and 260) compared to Baseline 5. Levels of anti-ABY-035 antibodies in the blood |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
Week 12, 24, 52, 76, 104, 128, 156, 180, 208, 232 and 260 |
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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 | Yes |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | Yes |
E.6.13.1 | Other scope of the trial description |
immunogenicity of ABY-035 |
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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) | No |
E.8.2.2 | Placebo | Yes |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 5 |
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 | 16 |
E.8.5 | The trial involves multiple Member States | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
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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Last Subject Last Visit (LSLV) |
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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 | |