Sylvant (siltuximab)

Indications for Prior Authorization

Sylvant (siltuximab)
  • For diagnosis of Multicentric Castleman's Disease
    Indicated for the treatment of patients with multicentric Castleman’s disease (MCD) who are human immunodeficiency virus (HIV) negative and human herpesvirus-8 (HHV-8) negative.

    Limitation of use: Sylvant was not studied in patients with MCD who are HIV positive or HHV-8 positive because Sylvant did not bind to virally produced IL-6 in a nonclinical study.

Criteria

Sylvant

Prior Authorization (Initial Authorization)

Length of Approval: 6 Months [A]

  • Diagnosis of multicentric Castleman’s disease (MCD)
  • AND
  • Patient is human immunodeficiency virus (HIV) negative
    • Patient is human herpesvirus-8 (HHV-8) negative
    AND
  • Patient is human herpesvirus-8 (HHV-8) negative
Sylvant

Prior Authorization (Reauthorization)

Length of Approval: 6 Months [A]

  • Patient demonstrates positive clinical response to therapy
  • AND
  • Patient is human immunodeficiency virus (HIV) negative
  • AND
  • Patient is human herpesvirus-8 (HHV-8) negative
P & T Revisions

2024-07-03, 2023-07-05, 2022-07-06, 2021-06-30

  1. Sylvant Prescribing Information. Janssen Biotech, Inc. Horsham PA. April 2022.
  2. Per clinical consult with hematologist/oncologist, June 5, 2014.

  1. Patients should be evaluated for response to the drug every 3-6 months. A length of authorization of 6 months would be reasonable. [2]

  • 2024-07-03: 2024 Annual Review. Updated reauthorization criteria to standard reauthorization language.
  • 2023-07-05: Annual review, removed specialist requirement
  • 2022-07-06: Annual review, no criteria changes.
  • 2021-06-30: Annual review

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