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NCT Number: NCT03031782

Secukinumab Safety and Efficacy in Juvenile Psoriatic Arthritis (JPsA) and Enthesitis-related Arthritis (ERA)

This was a double-blind, placebo-controlled, event-driven randomized withdrawal study to investigate the efficacy and safety of secukinumab treatment in the Juvenile Idiopathic Arthritis (JIA) categories of Juvenile Psoriatic Arthritis (JPsA) and Enthesitis-related Arthritis (ERA). The study was divided into 3 parts (plus a post-treatment follow-up period) consisting of open-label, single-arm active treatment in Treatment Periods 1 and 3 and a randomized, double-blind, placebo controlled, event-driven withdrawal design in Treatment Period 2

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Key information

Conditions

Juvenile Psoriatic Arthritis Arthritis Arthritis, Juvenile Autoimmune Diseases Connective Tissue Diseases Enthesitis-related Arthritis Immune System Diseases Joint Diseases Musculoskeletal Diseases Rheumatic Diseases Skin and Connective Tissue Diseases

Age range

2 year–17 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 3

Primary location

Novartis Investigative Site, Brussels, Belgium

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About this study

TP1: All eligible subjects entered TP1 to receive 12-weeks of open-label secukinumab at a dose predicted to achieve secukinumab serum levels equivalent to adults administered a 150 mg dose regimen. Secukinumab was administered s.c. weekly for the first 4 weeks (Baseline, Weeks 1, 2, 3, 4) and then every 4 weeks thereafter. Clinical response (JIA ACR 30) was assessed at Week 12. Responders advanced to TP2 and non-responders exited the trial (early termination visit and entered into the Post-treatment follow-up period).

TP2: Subjects who were a responder (JIA ACR 30) at Week 12 entered the double-blind withdrawal TP2 and were randomized 1:1 to either secukinumab or placebo on that visit and then every 4 weeks, until either experiencing a disease flare or completion of TP2. TP2 was event driven and was planned to be closed when 33 subjects experienced a disease flare as per JIA definition. Alternatively, the study could be closed when all subjects reached the total study duration of 104 Weeks and therefore subjects who did not experience a disease flare remained in TP2 for the duration of the study and completed the study without entering into TP3

TP3: Subjects experiencing a disease flare in TP2 immediately entered TP3 to receive openlabel secukinumab every 4 weeks until total study duration of 104 weeks for that subject was achieved.

Post-treatment follow-up: The post-treatment follow-up period (lasting 12 weeks from the last study drug administration) was required for all subjects, unless they qualified and entered the secukinumab extension trial. All subjects were expected to participate in the post-treatment follow up period, except for those entering the extension study.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Confirmed diagnosis of Enthesitis-related arthritis (ERA) or Juvenile psoriatic arthritis (JPsA) according to the International League of Associations for Rheumatology (ILAR) classification criteria of at least 6 months duration.
  • Active disease (ERA or JPsA) defined as having both:
  • at least 3 active joints
  • at least 1 site of active enthesitis at baseline or documented by history.
  • Inadequate response (at least 1 month) or intolerance to at least 1 nonsteroidal anti-inflammatory drugs(NSAID)
  • Inadequate response (at least 2 months) or intolerance to at least 1 Disease-modifying antirheumatic drugs (DMARD)
  • No concomitant use of second line agents such as disease-modifying and/or immunosuppressive drugs.

Exclusion criteria

  • Patients fulfilling any ILAR diagnostic JIA category other than ERA or JPsA.
  • Patients who have ever received biologic immunomodulating agents
  • Patients taking any non-biologic DMARD except for MTX (or sulfasalazine for ERA patients only).
  • Patients with active uncontrolled inflammatory bowel disease or active uncontrolled uveitis.

Other protocol-defined inclusion/exclusion criteria apply.

Treatment and study plan

secukinumab

Drug

secukinumab is a high-affinity fully human monoclonal anti-human antibody that targets IL-17A and neutralizes activity.

Other names: AIN457

Placebo

Other

Matched placebo to AIN457 for use in the double blind Treatment Period 2

Primary outcomes

  1. Number of Participants Experiencing a Flare During Treatment Period 2

    Time frame: From Week 12 until max Week 104

    Survival analysis of time to flare in treatment period 2 (TP2) FAS2

    Subjects are either ERA or JPsA

Secondary outcomes

  1. Percent of Participants With Juvenile Idiopathic Arthritis (JIA) American College of Rheumatology (ACR) 30/50/70/90/100 Response at Week 12 - by JIA Category

    Time frame: baseline, week 12

    Summary of JIA ACR 30/50/70/90/100 for all subjects and each JIA category - TP1 (FAS1)

    The adapted ACR Pediatric 30/50/70/90/100 criteria was used to determine efficacy defined as improvement from baseline of at least 30/50/70/90/100% respectively in at least 3 of the following 6 components

    • Physician's Global Assessment of disease activity on a 0-100 mm VAS from 0 mm = no disease activity to 100 mm = very severe disease activity.
    • Parent's or patient's Global Assessment of Subject's overall wellbeing on a 0-100 mm VAS from 0 mm= very well to 100 mm= very poor.
    • Functional ability: Childhood Health Assessment Questionnaire (CHAQ©)
    • Number of joints with active arthritis using the ACR definition (The ACR definition of active arthritis is any joint with swelling, or in the absence of swelling, limitation of motion accompanied by either pain on motion or tenderness not due to deformity)
    • Number of joints with limitation of motion
    • Laboratory measure of inflammation: CRP (mg/L)

  2. Percent of Participants With Juvenile Idiopathic Arthritis (JIA) American College of Rheumatology (ACR) 30/50/70/90/100 Response at Week 12 - Total

    Time frame: baseline, week 12

    Summary of JIA ACR 30/50/70/90/100 for all subjects - TP1 (FAS1)

    The adapted ACR Pediatric 30/50/70/90/100 criteria was used to determine efficacy defined as improvement from baseline of at least 30/50/70/90/100% respectively in at least 3 of the following 6 components

    • Physician's Global Assessment of disease activity on a 0-100 mm VAS from 0 mm = no disease activity to 100 mm = very severe disease activity.
    • Parent's or patient's Global Assessment of Subject's overall wellbeing on a 0-100 mm VAS from 0 mm= very well to 100 mm= very poor.
    • Functional ability: Childhood Health Assessment Questionnaire (CHAQ©)
    • Number of joints with active arthritis using the ACR definition (The ACR definition of active arthritis is any joint with swelling, or in the absence of swelling, limitation of motion accompanied by either pain on motion or tenderness not due to deformity)
    • Number of joints with limitation of motion
    • Laboratory measure of inflammation: CRP (mg/L)

  3. Percent Change From Baseline for JIA ACR Core Components in TP1

    Time frame: baseline, week 12

    Summary of JIA ACR core components for all subjects and each JIA category - Treatment period 1

    Negative percent change indicates improvement

    Physician global assessment of disease activity (VAS mm) 0 (no disease activity) - 100 (very severe); Parent or subject global assessment of overall well-being (VAS mm) 0 (very well) - 100 (very poor); CHAQ (Childhood Health Assessment Questionnaire) 0 - 3 (most severe); Number of joints with active arthritis 0 - 73; Number of joints with limited range of motion 0 - 69.

  4. Percent Change in C-reactive Protein Standardized Value (mg/L)

    Time frame: baseline, week 12

    Median Percent Change from baseline for C-reactive protein standardized value (mg/L)

  5. Change From Baseline Juvenile Arthritis Disease Activity Score (JADAS) Score

    Time frame: 12 weeks

    JADAS change from baseline for all subjects in Treatment period 1. JADAS-27 (Juvenile Arthritis Disease Activity Score in 27 joints) ranges from 0 to 57 and JADAS-71 ranges from 0 to 101 (higher scores indicate more disease activity).

  6. Change From Baseline in Total Enthesitis Events - TP1 (FAS1)

    Time frame: Baseline and week 12

    Enthesitis swollen joint count range is 0-16. Zero is worst, and 16 is best

    A total of 16 entheseal sites were assessed for the presence or absence of tenderness of enthesitis.

    This is the mean (SD) enthesitis count (range 0-16) for FAS subjects

    A zero score means no enthesitis, so a zero score is better for the patient

  7. Change From Baseline in Total Dactylitis Count

    Time frame: baseline, week 12

    Summary of total dactylitis count for all subjects - TP1 (FAS1)

    Total dactylitis count ranges from 0 to 20. A zero score means no dactylitis, so a zero score is better for the patient

  8. Number of Participants With Anti-secukinumab Anitbodies

    Time frame: 104 weeks

    Blood samples for immunogenicity (anti-AIN457 antibodies) were taken pre-dose at the scheduled time points. In addition, if a subject discontinued from the study at any time, he/she provided a sample at the last visit. All blood samples were taken by either direct venipuncture or an indwelling cannula inserted in a forearm vein. An Electrochemiluminescence method was used for the detection of potential anti-secukinumab antibody formation.

  9. Secukinumab Serum Concentration

    Time frame: baseline, week 12

    Summary of pharmacokinetic concentrations - Treatment period 1

  10. Number of Participants With Inactive Disease Status for All Subjects - TP1 (FAS1)

    Time frame: week 12

    Summary of inactive disease status for all subjects - TP1 (FAS1)

    Clinical inactive disease definition was adapted from the JIA ACR criteria.

    All were required to be met:

    • No joints with active arthritis
    • No uveitis
    • CRP value within normal limits for the laboratory where tested or, if elevated, not attributable to JIA
    • Physician's global assessment of disease activity score ≤ 10mm
    • Duration of morning stiffness attributable to JIA ≤15 min

Sponsors and collaborators

Lead sponsor

Novartis Pharmaceuticals

Industry

Registry information

Official study title

A Three-part Randomized, Double-blind, Placebo-controlled Study to Investigate the Efficacy and Safety of Secukinumab Treatment in Juvenile Idiopathic Arthritis Subtypes of Psoriatic and Enthesitis-related Arthritis

Important dates

Study start
2017
Primary completion
2020
Study completion
2020
First posted
Jan 26, 2017
Registry last updated
Aug 15, 2022

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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