BlueCross BlueShield of Tennessee Medical Policy Manual

Trastuzumab and Hyaluronidase-oysk (Herceptin Hylecta™)

Requires Step Therapy See “Step Therapy Requirements for Provider Administered Specialty Medications” Document at: https://www.bcbst.com/docs/providers/Comm_BC_PAD_Step_Therapy_Guide.pdf

 

IMPORTANT REMINDER

 

We develop Medical Policies to provide guidance to Members and Providers.  This Medical Policy relates only to the services or supplies described in it.  The existence of a Medical Policy is not an authorization, certification, explanation of benefits or a contract for the service (or supply) that is referenced in the Medical Policy.  For a determination of the benefits that a Member is entitled to receive under his or her health plan, the Member's health plan must be reviewed.  If there is a conflict between the medical policy and a health plan or government program (e.g., TennCare), the express terms of the health plan or government program will govern.

 

POLICY

INDICATIONS

The indications below including FDA-approved indications and compendial uses are considered a covered benefit provided that all the approval criteria are met and the member has no exclusions to the prescribed therapy.

FDA-Approved Indications

Herceptin Hylecta is indicated for adjuvant treatment of adults with HER2- overexpressing node positive or node negative (estrogen receptor [ER] / progesterone receptor [PR] negative or with one high risk feature) breast cancer:

Herceptin Hylecta is indicated in adults:

Compendial Uses

HER2-positive breast cancer: may be substituted for intravenous trastuzumab and used as a single agent or in combination with other systemic therapies

All other indications are considered experimental/investigational and not medically necessary.

DOCUMENTATION

Submission of the following information is necessary to initiate the prior authorization review: human epidermal growth factor receptor 2 (HER2) status.

COVERAGE CRITERIA

Breast Cancer

Authorization of up to 12 months may be granted for neoadjuvant treatment of HER2-positive breast cancer as part of a complete treatment regimen.

Authorization of up to 12 months may be granted for adjuvant treatment of HER2-positive breast cancer.

Authorization of 12 months may be granted for treatment of HER2-positive breast cancer with no response to preoperative systemic therapy, recurrent, advanced, unresectable, or metastatic (including brain metastases) disease.

Authorization of 12 months may be granted for treatment of HER2-negative metastatic breast cancer when used in combination with neratinib and fulvestrant as third-line or later therapy.

CONTINUATION OF THERAPY

listed Authorization of 12 months may be granted for continued treatment in members requesting reauthorization for an indication in the coverage criteria section when there is no evidence of unacceptable toxicity or disease progression while on the current regimen. Adjuvant and neoadjuvant treatment of breast cancer will be approved for a total of 12 months of therapy.

MEDICATION QUANTITY LIMITS

Drug Name

Diagnosis

Maximum Dosing Regimen

Herceptin Hylecta (Trastuzumab- Hyaluronidase-oysk)

Breast Cancer

Route of Administration: Subcutaneous 600/10,000mg-units every 3 weeks

APPLICABLE TENNESSEE STATE MANDATE REQUIREMENTS

BlueCross BlueShield of Tennessee’s Medical Policy complies with Tennessee Code Annotated Section 56-7-2352 regarding coverage of off-label indications of Food and Drug Administration (FDA) approved drugs when the off-label use is recognized in one of the statutorily recognized standard reference compendia or in the published peer-reviewed medical literature.

ADDITIONAL INFORMATION 

For appropriate chemotherapy regimens, dosage information, contraindications, precautions, warnings, and monitoring information, please refer to one of the standard reference compendia (e.g., the NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines®) published by the National Comprehensive Cancer Network®, Drugdex Evaluations of Micromedex Solutions at Truven Health, or The American Hospital Formulary Service Drug Information).

REFERENCES

  1. Herceptin Hylecta [package insert]. South San Francisco, CA: Genentech, Inc.; June 2024.
  2. The NCCN Drugs & Biologics Compendium® © 2025 National Comprehensive Cancer Network, Inc. https://www.nccn.org. Accessed September 8, 2025.
  3. National Comprehensive Cancer Network. NCCN Clinical Practice Guidelines in Oncology: Breast Cancer. Version 4.2025. Available at: https://www.nccn.org/professionals/physician_gls/pdf/breast.pdf. Accessed September 3, 2025.

ORIGINAL EFFECTIVE DATE: 7/31/2019

MOST RECENT REVIEW DATE: 6/2/2026

ID_CHS_2025

Policies included in the Medical Policy Manual are not intended to certify coverage availability. They are medical determinations about a particular technology, service, drug, etc. While a policy or technology may be medically necessary, it could be excluded in a member's benefit plan. Please check with the appropriate claims department to determine if the service in question is a covered service under a particular benefit plan. Use of the Medical Policy Manual is not intended to replace independent medical judgment for treatment of individuals. The content on this Web site is not intended to be a substitute for professional medical advice in any way. Always seek the advice of your physician or other qualified health care provider if you have questions regarding a medical condition or treatment.

This document has been classified as public information.