Study to Explore the Effect of Secukinumab, Compared to Placebo, on Fat Tissue and Skin in Plaque Psoriasis Patients (ObePso-S)

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Novartis

Status and phase

Completed
Phase 4

Conditions

Plaque Psoriasis

Treatments

Biological: Placebo
Biological: Secukinumab

Study type

Interventional

Funder types

Industry

Identifiers

NCT03055494
CAIN457AUS07

Details and patient eligibility

About

This study provided a comparison of secukinumab to placebo with respect to skin inflammation as measured by skin exams in comparison to skin biopsies, adipose tissue and blood sample analyses.

Full description

This was a randomized, double-blind, placebo-controlled, multicenter design. Patients with moderate to severe plaque psoriasis received secukinumab 300 mg or placebo, with randomization stratified by body weight (< 90 kg, ≥ 90 kg). There were 5 periods to the study: Screening (1 to 4 weeks), Double-blind Treatment Period (12 weeks), Double-blind Induction Period (4 weeks), Open-label Treatment Period (36 weeks), and Follow-up Period (1 week). During the Double-blind Treatment Period, all patients attended study visits at Baseline, Weeks 1, 2, 3, 4, 8, and 12, and all doses of study treatment were self-administered at the study site. Patients underwent lesional (LS) and non-lesional (NL) skin biopsies at Baseline and Week 12. Assessments for the primary efficacy variable were performed at Week 12 before patients received their Week 12 dose. During the Double-blind Induction Period, patients randomized to placebo were switched to secukinumab 300 mg for the remainder of the study. K16 and skin histology/biomarkers were assessed from skin biopsies. The Psoriasis Assessment and Severity Index (PASI) and the Investigator's Global Assessment modified 2011 scale (IGA mod 2011) were performed at specified study visits. Safety was monitored by vital signs, weight, waist circumference, body mass index (BMI), and clinical laboratory tests (serum chemistry, hematology, highsensitivity C-reactive protein (hs-CRP), hemoglobin A1c (HbA1c), homeostatic assessment of insulin resistance (HOMA-IR), viral serology, serum and urine pregnancy).

Enrollment

102 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Written informed consent must be obtained before any assessment is performed

  • Clinical diagnosis of chronic plaque-type psoriasis at least 6 months prior to randomization

  • Moderate to severe plaque psoriasis as defined at baseline by:

    • ≥10% Body Surface Area (BSA) involvement and
    • PASI total score of ≥12 and
    • IGA mod 2011 score of ≥3 (based on a scale of 0-4)

Exclusion criteria

  • Forms of diagnosed psoriasis other than chronic plaque psoriasis
  • Medication-induced or medication exacerbated psoriasis
  • Previous exposure to secukinumab or any other biologic drug directly targeting IL-17A or IL-17RA receptors
  • Ongoing use of prohibited treatments
  • Pregnant or nursing (lactating) women

Other protocol-defined inclusion/exclusion criteria may apply

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

102 participants in 2 patient groups, including a placebo group

Secukinumab
Experimental group
Description:
Eligible patients received secukinumab 300 mg s.c. at randomization, Weeks 1, 2, 3 and 4 followed by monthly dosing up to Week 48
Treatment:
Biological: Secukinumab
Placebo
Placebo Comparator group
Description:
Eligible patients received placebo at randomization, Weeks 1, 2, 3, 4, and 8. At Week 12, patients were switched to treatment with secukinumab 300 mg s.c. at Weeks 12, 13, 14, 15, and 16 followed by monthly dosing up to Week 48
Treatment:
Biological: Placebo

Trial documents
2

Trial contacts and locations

15

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Data sourced from clinicaltrials.gov

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