A Placebo-controlled Phase 2 Trial to Investigate the Safety and Efficacy of Secukinumab in Giant Cell Arteritis

Study Results

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

52 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-01-30

Study Completion Date

2021-06-08

Brief Summary

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This study was designed to evaluate the efficacy and safety of secukinumab compared to placebo to maintain disease remission up to 28 weeks including corticosteroid tapering, as well as up to 1 year (52 weeks) in patients with newly diagnosed or relapsing giant cell arteritis (GCA) who were naïve to biological therapy.

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Detailed Description

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This randomized, parallel-group, double-blind, placebo-controlled, multicenter, Phase II study was designed to evaluate the efficacy of secukinumab compared to placebo in combination with a 26-week prednisolone taper regimen in terms of sustained remission in patients with newly diagnosed or relapsing Giant Cell Arteritis (GCA) who were naïve to biological therapy. The study consisted of a Screening Period of up to 6 weeks (maximum duration), a 52-week Treatment Period and an 8-week Safety Follow-up Period

Patients who did not achieve remission by Week 12, experienced a flare after remission or could not adhere to the prednisolone taper regimen entered "escape". Upon entering "escape", patients received prednisolone at a dose determined by the physician's clinical judgment and continued to receive secukinumab or placebo in a blinded manner.

Safety evaluation was included in all visits including two safety follow-up visits performed 8 and 12 weeks after the last study drug administration.

Conditions

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Giant Cell Arteritis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Intervention Type DRUG

Placebo 300 mg was administered by subcutaneous (s.c.) injections using 1 mL pre-filled syringes (PFSs) throughout the study.

Interventions

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Secukinumab 300 mg, s.c.

Secukinumab 300 mg was administered by subcutaneous (s.c.) injections using 1 mL pre-filled syringes (PFSs) throughout the study.

Intervention Type DRUG

Prednisolone

Prednisolone was provided as tablets (1 mg, 5 mg, 10 mg, 20 mg tablets) for daily administration as tapered regimen from a dose of 25 mg to 60 mg at Baseline to 1 mg at Week 26 (last dose)

Intervention Type DRUG

Placebo

Placebo 300 mg was administered by subcutaneous (s.c.) injections using 1 mL pre-filled syringes (PFSs) throughout the study.

Intervention Type DRUG

Other Intervention Names

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AIN457

Eligibility Criteria

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Inclusion Criteria

Diagnosis of GCA classified according to the following criteria:

* Age at onset of disease ≥ 50 years.
* History of ESR ≥ 30 mm/hr or CRP ≥ 10 mg/L.
* Unequivocal cranial symptoms of GCA (new-onset localized headache, scalp or temporal artery tenderness, ischemia-related vision loss, or otherwise unexplained mouth or jaw pain upon mastication) AND/OR symptoms of polymyalgia rheumatica (PMR) defined as shoulder and/or hip girdle pain associated with inflammatory morning stiffness
* Temporal artery biopsy revealing features of GCA AND/OR
* evidence of large-vessel vasculitis by angiography or cross-sectional imaging study such as magnetic resonance angiography (MRA), computed tomography angiography (CTA), positron emission tomography-computed tomography (PET CT), or ultrasound

Patients with new onset GCA or relapsing GCA (Definition new onset: diagnosis of GCA within 6 weeks of Baseline Visit; Definition relapsing GCA: diagnosis of GCA (in accordance with inclusion criterion no. 4) \> 6 weeks before Baseline Visit and in the meantime achieved remission (absence of signs and symptoms attributable to GCA and normalization of ESR (\< 30 mm/hr) and CRP (\<10.0mg/L) included) including previous treatment with ≥ 25 mg/day prednisolone equivalent for ≥ 2 weeks.)

Active disease as defined by the presence of signs and symptoms of GCA (cranial or PMR) and elevated ESR ≥ 30 mm/hr, or CRP ≥ 10 mg/L, attributed to active GCA within 6 weeks of Baseline.

Prednisolone dose of 25-60 mg/day at Baseline.

Exclusion Criteria

Previous exposure to secukinumab or other biologic drug directly targeting Interleukin(IL)-17 or IL-17 receptor.

Patients treated with any cell-depleting therapies including but not limited to anti-CD20 or investigational agents (e.g. anti-CD3, anti-CD4, anti-CD5 or anti-CD19).

Patients who have previously been treated with any biologic agent including but not limited to tocilizumab, sirukumab, abatacept, or tumor necrosis factor alpha (TNFα) inhibitors (infliximab, adalimumab, etanercept, certolizumab, golimumab).

Patients who have previously been treated with tofacitinib or baricitinib.

Patients treated with i.v. immunoglobulins or plasmapheresis within 8 weeks prior to Baseline.

Patients treated with cyclophosphamide, tacrolimus or everolimus within 6 months prior to Baseline.

Patients treated with hydroxychloroquine, cyclosporine A, azathioprine, sulfasalazine or mycophenolate mofetil within 4 weeks of Baseline.

Patients treated with leflunomide within 8 weeks of Baseline unless a cholestyramine washout has been performed in which case the patient must be treated within 4 weeks of Baseline.

Patients treated with an alkylating agent except for cyclophosphamide as mentioned above.

Patients requiring systemic chronic glucocorticoid therapy for any other reason than GCA.

Chronic systemic glucocorticoid therapy over the last 4 years or longer; or inability, in the opinion of the investigator, to withdraw glucocorticoid therapy through protocol-defined taper regimen due to suspected or established adrenal insufficiency.

Patients requiring chronic (i.e. not occasional "prn") high potency opioid analgesics for pain management.

Active ongoing inflammatory diseases or underlying metabolic, hematologic, renal, hepatic, pulmonary, neurologic, endocrine, cardiac, infectious or gastrointestinal conditions, which in the opinion of the investigator immunosuppressed the patient and/or places the patient at unacceptable risk for participation in an immunomodulatory therapy.

History of renal trauma, glomerulonephritis, or patients with one kidney only, or a serum creatinine level exceeding 1.8 mg/dL (159.12 μmol/L).

Screening total white blood cell (WBC) count \< 3000/μL, or platelets \< 100 000/μL or neutrophils \< 1500/μL or hemoglobin \< 8.3 g/dL (83 g/L).

Major ischemic event, unrelated to GCA, within 12 weeks of screening.

Known infection with human immunodeficiency virus (HIV), hepatitis B or hepatitis C at screening or randomization.

Life vaccinations within 6 weeks prior to Baseline or planned vaccination during study participation until 12 weeks after last study treatment administration.

Minimum Eligible Age

50 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No