Study to Evaluate Adverse Events and Change in Disease Activity in Participants Between 6 and 17 Years With Moderate to Severe Plaque Psoriasis Treated With Subcutaneous (SC) Injection of Risankizumab Who Have Completed Participation in Study M19-977

Study Overview
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Brief Summary
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Psoriasis is a chronic, systemic, inflammatory disease in which skin cells build up and develop thick, red and white scaly patches on the skin. This study evaluates adverse events and change in disease activity with risankizumab in pediatric participants with moderate to severe plaque psoriasis who completed the study M19-977. Risankizumab is an approved drug for treatment of moderate to severe plaque psoriasis in adults and is being studied in the pediatric population (6 to 17 years). A maximum of 132 participants will be enrolled in the study across approximately 50 sites worldwide. Participants will receive subcutaneous injection of risankizumab every 12 weeks for 204 weeks and are followed up for safety for 20 weeks after last dose. There may be higher treatment burden for participants in this trial compared to their standard of care. Participants will attend regular visits during the study at a hospital or clinic. The effect of the treatment will be checked by medical assessments, blood tests, checking for side effects and completing questionnaires.

Official Title
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OptIMMize-2: A Phase 3 Multicenter, Single-arm, Open-label Extension Study to Assess the Safety, Tolerability, and Efficacy of Risankizumab in Subjects With Moderate to Severe Plaque Psoriasis Who Have Completed Participation in Study M19-977 (OptIMMize-1)

Conditions
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Psoriasis

Intervention / Treatment
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* Drug: Risankizumab


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: --Participants who have completed participation in study M19-977 and who meet all eligibility criteria for participation in Study M19-973 will be allowed to enroll in study M19-973. Exclusion Criteria: --Participants who have developed any discontinuation criteria as defined in Study M19-977.

Ages Eligible for Study
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Minimum Age: 6 Years
Maximum Age: 17 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Intervention Model: Single Group Assignment
Masking: None (Open Label)


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Risankizumab<br>Participants will receive risankizumab subcutaneous (SC) injection every 12 weeks for 204 weeks. | Drug: Risankizumab<br>* Subcutaneous (SC) injection.<br>* Other names: risankizumab-rzaa;|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Number of Participants With Adverse Events | An adverse event (AE) is defined as any untoward medical occurrence in a patient or clinical investigation subject administered a pharmaceutical product and which does not necessarily have a causal relationship with this treatment. The investigator assessed the relationship of each event to the use of study drug as either probably related, possibly related, probably not related or not related. A serious adverse event (SAE) is an event that results in death, is life-threatening, requires or prolongs hospitalization, results in a congenital anomaly, persistent or significant disability/incapacity or is an important medical event that, based on medical judgment, may jeopardize the subject and may require medical or surgical intervention to prevent any of the outcomes listed above. | Up to approximately 224 weeks | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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SKYRIZI, Plaque Psoriasis, Risankizumab, ABBV-066, BI 655066, Risankizumab-rzaa