Xtandi (enzalutamide)

Indications for Prior Authorization

Xtandi (enzalutamide)
  • For diagnosis of Castration-resistant prostate cancer (CRPC)
    Indicated for the treatment of patients with castration-resistant prostate cancer (CRPC).

  • For diagnosis of Metastatic castration-sensitive prostate cancer (mCSPC)
    Indicated for the treatment of patients with metastatic castration-sensitive prostate cancer (mCSPC).

  • For diagnosis of Non-metastatic castration-sensitive prostate cancer (nmCSPC)
    Indicated for the treatment of patients with non‑metastatic castration‑sensitive prostate cancer (nmCSPC) with biochemical recurrence at high risk for metastasis (high-risk BCR).

  • For diagnosis of HRR Gene-mutated mCRPC [3]
    Indicated for the treatment of adult patients with HRR gene-mutated metastatic castration-resistant prostate cancer (mCRPC) in combination with Talzenna (talazoparib).

Criteria

Xtandi

Prior Authorization (Initial Authorization)

Length of Approval: 12 Month(s)
For diagnosis of Castration-resistant prostate cancer (CRPC)

  • Diagnosis of castration-resistant (chemical or surgical) prostate cancer
  • AND
  • If HRR gene-mutated metastatic disease, medication will be taken in combination with Talzenna (talazoparib)
Xtandi

Prior Authorization (Initial Authorization)

Length of Approval: 12 Month(s)
For diagnosis of Metastatic castration-sensitive prostate cancer (mCSPC)

  • Diagnosis of metastatic, castration-sensitive prostate cancer
Xtandi

Prior Authorization (Initial Authorization)

Length of Approval: 12 Month(s)
For diagnosis of Non‑metastatic castration‑sensitive prostate cancer (nmCSPC)

  • Diagnosis of non‑metastatic, castration‑sensitive prostate cancer (nmCSPC)
  • AND
  • Patient has high-risk biochemical recurrence (BCR) defined by a PSA doubling time less than or equal to 9 months and one of the following:
    • PSA values greater than or equal to 1 ng/mL if the patient had prior prostatectomy (with or without radiotherapy)
    • PSA values at least 2 ng/mL above the nadir if the patient had prior radiotherapy only
Xtandi

Prior Authorization (Reauthorization)

Length of Approval: 12 Month(s)
For diagnosis of All indications listed above

  • Patient does not show evidence of progressive disease while on therapy
P & T Revisions

2024-04-02, 2024-01-10, 2023-07-28, 2023-07-05, 2023-05-04, 2022-03-25, 2021-09-27, 2021-05-26, 2021-05-25, 2021-03-22, 2020-04-09, 2020-01-27

  1. Xtandi prescribing information. Astellas Pharma Inc. Northbrook, IL. November 2023.
  2. National Comprehensive Cancer Network (NCCN) Clinical Practice Guidelines in Oncology. Prostate Cancer v.3.2024. Available by subscription at: https://www.nccn.org/professionals/physician_gls/pdf/prostate.pdf. Accessed March 2024.
  3. Agarwal, Neeraj, et al. “Talazoparib plus Enzalutamide in Men with First-Line Metastatic Castration-Resistant Prostate Cancer (TALAPRO-2): A Randomised, Placebo-Controlled, Phase 3 Trial.” The Lancet, 4 June 2023, https://doi.org/10.1016/s0140-6736(23)01055-3.

  1. Most men with advanced disease eventually stop responding to traditional androgen deprivation therapy (ADT) and are categorized as castration-resistant (also known as castration-recurrent). [2]

  • 2024-04-02: Annual review: Updated to clarify non-metastatic CSPC vs metastatic CSPC – no change to clinical intent. Updated background and references.
  • 2024-01-10: Addition of new indication for non‑metastatic castration‑sensitive prostate cancer.
  • 2023-07-28: Addition of new indication for HRR gene-mutated metastatic castration-resistant prostate cancer
  • 2023-07-05: Removed specialist requirement
  • 2023-05-04: Annual review: Updated criteria, updated references and background.
  • 2022-03-25: Annual review: No changes to criteria. Updated references.
  • 2021-09-27: Addition of EHB formulary to guideline, no changes to criteria
  • 2021-05-26: Addition of EHB formulary to guideline, no changes to criteria
  • 2021-05-25: Addition of EHB formulary to guideline, no changes to criteria
  • 2021-03-22: Updated guideline to add GPIs for 40 mg and 80 mg tablets to already existing indications.
  • 2020-04-09: Annual review: Updated background and references
  • 2020-01-27: Revised guideline to add new indication of metastatic castration-sensitive prostate cancer (mCSPC)