Eligibility Criteria:
Inclusion Criteria:
* Adults, age 18 and over
* Previous diagnosis of biopsy-proven NLD
* Active NLD lesions, defined as
* clinical signs of inflammation, for example erythematous margins, sensations of itch, pain, dysaesthesia
* lesions increasing in size or appearance of new lesions within the last 3 months
* ulcerations
* Subjects must be able to understand and communicate with the investigator and comply with the requirements of the study and must give a written, signed and dated informed consent before any study related activity is performed.
Exclusion Criteria:
* History of an ongoing, chronic or recurrent infectious disease, or evidence of tuberculosis infection as defined by a positive QuantiFERON TB-Gold test at screening.
* Are currently pregnant, breastfeeding, or planning to get pregnant during the study.
* Previous hypersensitivity reaction to secukinumab or to any of the components.
* History of Inflammatory Bowel Disease (Crohn's Disease or Ulcerative Colitis)
* Allergy to Latex
* Currently on any other immunosuppressant systemic medication or within 28 days of baseline visit
* Women of child-bearing potential, defined as all women physiologically capable of becoming pregnant, unwilling to use effective contraception during the study and for 16 weeks after stopping treatment.
* Subjects with a serum creatinine level exceeding 176.8 μmol/L (2.0 mg/dL)
* Screening total WBC count \<2,500/μL, or platelets \<100,000/μL or neutrophils \<1,500/μL or hemoglobin \<8.5 g/dL
* Known infection with HIV, hepatitis B or hepatitis C at screening or randomization. Patients who are Hepatitis B Core antibody and/or Hep B Surface Antigen positive will be excluded from this study. Patients who are Hepatitis C ab positive will also be excluded from this study.
* History of lymphoproliferative disease or any known malignancy or history of malignancy of any organ system within the past 5 years (except for non-melanoma skin cancer and carcinoma in situ of the cervix)
* Are participating in another study using an investigational agent or procedure during participation in this study or within 28 days prior to baseline visit.
* Plans for administration of live vaccines during the study period or 6 weeks prior to randomization
* Any other procedural treatment for NLD with 28 days prior to baseline visit, including phototherapy, surgical intervention, laser therapy, or cryotherapy.
* Any other active skin disease or condition (e.g., bacterial, fungal or viral infection) that may interfere with assessment of NLD;
* Underlying condition (including, but not limited to metabolic, hematologic, renal, hepatic, pulmonary, neurologic, endocrine, cardiac, infectious or gastrointestinal) which in the opinion of the investigator significantly immunocompromises the subject and/or places the subject at unacceptable risk for receiving an immunomodulatory therapy