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A Multicentre Study to Evaluate the Efficacy and Safety of ENIA11 in Patients With Ankylosing Spondylitis

M

Mycenax Biotech

Status and phase

Terminated
Phase 3

Conditions

Ankylosing Spondylitis

Treatments

Biological: Placebo
Biological: ENIA11

Study type

Interventional

Funder types

Industry

Identifiers

NCT02685904
TSHEN1502

Details and patient eligibility

About

This is a multi-center, double-blind, randomized, parallel-group, placebo-controlled study to evaluate the efficacy and safety of ENIA11 in patients with ankylosing spondylitis. The study period for each patient will be 27 weeks, during which the patient will undergo screening for up to 21 days, and followed by treatment of 24 weeks and follow up period of 2 weeks. Each patient will be required to make a total of 9 visits.

After re-confirming the eligibility of patients at Visit 2, eligible patients will be randomly assigned to either treatment group or control group in a 2:1 ratio. In addition, patients in the treatment group will receive ENIA11 25 mg twice weekly by subcutaneous injection while patients in the control group will receive placebo solution twice weekly by subcutaneous injection from Day 0 to week 12 and then switch to active drug from week 12 to week 24 and follow up period of 2 weeks.

The efficacy analysis, including ASAS response measures, ASAS5/6, ASDAS, BASDAS, BASFI, BASMI and individual measures of disease activity, such as numbers of swollen and tender joints, ESR and CRP, will be evaluated at each visit from Visit 2 (baseline) to Visit 9. Safety will be evaluated according to the frequency of adverse events, vital signs, physical examination, laboratory abnormalities, and ENIA11 antibody formation.

Enrollment

10 patients

Sex

All

Ages

20+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Male or female patients aged ≥ 20 years old

  • Patients meet the Ankylosing Spondylitis criteria of modified New York (1984) for over 3 month duration

  • Patient with active disease at the time of screening as defined by the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) score ≧4 and a spinal pain score ≧4 on a Numeric Rating Scale (NSR).

  • Presence of at least one of the following criteria:

    • Erythrocyte Sedimentation Rate (ESR) : male≧13 mm/hr ; female≧22 mm/hr
    • C-Reactive Protein (CRP) ≧ 0.5 mg/dl
  • Patients have been treated optimal daily doses of at least two NSAIDs for at least 2 weeks, or documented intolerance to NSAIDs

  • Patient is willing and able to comply with study procedures and sign informed consent

  • Patient may be receiving stable dose of permitted DMARDs (methotrexate at max of 25 mg/week, sulfasalazine at max of 3 g/day) since at least 2 weeks prior screening visit.

  • Patient may be receiving stable dose of corticosteroids (eg. Prednisolone ≦10mg/day) since at least 2 weeks prior screening visit.

  • No evidence of active pulmonary tuberculosis (TB) as defined by the following:

    • A Chest X-ray taken at screening (unless it has been previously taken and documented within 3 months) was not active TB infection.
    • QuantiFERON-TB Gold Test negative
    • QuantiFERON-TB Gold Test for the Positive or indeterminate 2 times, patient need to perform more than four weeks before INH treatment enrolled to the trial and received an adequate course of therapy (eg, 9 months of INH treatment).
    • Patient has previously received an adequate course of therapy (eg, 9 months of INH treatment) for either latent or active TB infection.
  • No evidence of active hepatitis B as defined by the following:

    • HBsAg(-), HBcAb(-) or
    • HBsAg(-), HBcAb(+), HBV DNA undetected or
    • HBsAg(+), HBcAb(+), HBV DNA undetected or
    • HBsAg(+), HBcAb(+), HBV DNA <20000 IU, ALT was normal, AST was normal

Exclusion criteria

  • Known hypersensitivity to etanercept or ENIA11 or any of its components

  • Previous unsuccessful treatment with etanercept, anti-TNF monoclonal antibodies or a soluble TNF receptor (e.g., infliximab)

  • Suspected or diagnosed active pulmonary tuberculosis, or other chronic or current infectious disease at discretion of investigator

  • Patients who have a history or evidence of a medical condition that would expose them to an undue risk of a significant adverse event during the course of the trial, including but not limited to hepatic, renal, respiratory, cardiovascular, endocrine, immune, neurological, hematological, gastrointestinal or psychiatric disease as determined by the clinical judgment of the investigator

  • Patients with any of the following laboratory abnormalities: ALT/AST > 3 times ULN, creatinine > 2 mg/dl, WBC < 3,000/mm3, Hemoglobin < 8.5 g/dL, platelet count < 100,000/mm3 (6) Patients have received live attenuated vaccination program within 3 months or BCG vaccine within 12 months prior enrollment

  • Female patient of childbearing potential who:

    • is lactating; or
    • has positive urine pregnancy test at Visit 1; or
    • refuse to adopt reliable method of contraception during the study;
  • Suspected or diagnosed active for human immunodeficiency, hepatitis B or hepatitis C virus (HCV Ab+ and HCV RNA+)

  • Patient has received any investigational agent within 28 days or 5 half-lives, whichever is longer, prior to the first dose of investigational product

  • Patient who receiving any prohibited concomitant medications as following,

    • Other DMARDs (Hydroxychloroquine, azathioprine, cyclosporine, D-penicillamine, cyclosprin, Gold) from 4 weeks prior first dose of the study drug.
    • Leflunomide from 8 weeks prior first dose of the study drug.
    • Other biologicals indicated for AS from 4 weeks prior first dose of the study drug.
    • Humira from 2 month prior first dose of the study drug.
    • Live attenuated vaccination program from 3 month prior first dose of the study drug.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

10 participants in 2 patient groups, including a placebo group

ENIA11
Experimental group
Description:
25 mg of ENIA11 subcutaneously administered twice weekly
Treatment:
Biological: ENIA11
Placebo
Placebo Comparator group
Description:
25 mg of Placebo subcutaneously administered twice weekly
Treatment:
Biological: Placebo

Trial contacts and locations

6

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Data sourced from clinicaltrials.gov

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