Trastuzumab/hyaluronidase

Trastuzumab/hyaluronidase, sold under the brand name Herceptin SC among others, is a fixed-dose combination medication for the treatment of HER2-overexpressing breast cancer in adults.[1][2] It is a combination of trastuzumab and hyaluronidase.[1][2]

Trastuzumab/hyaluronidase
Combination of
TrastuzumabHER2/neu receptor antagonist
HyaluronidaseEndoglycosidase
Clinical data
Trade namesHerceptin SC, Herceptin Hylecta
AHFS/Drugs.comMicromedex Detailed Consumer Information
MedlinePlusa619041
Routes of
administration		Subcutaneous injection
ATC code
  • None
Legal status
Legal status
  • AU: S4 (Prescription only)
  • CA: ℞-only
  • US: ℞-only
  • EU: Rx-only
  • In general: ℞ (Prescription only)
Identifiers
CAS Number
UNII
KEGG

The most common adverse reactions include fatigue, arthralgia, diarrhea, injection site reaction, upper respiratory tract infection, rash, myalgia, nausea, headache, edema, flushing, pyrexia, cough, and pain in extremity.[1][2]

Trastuzumab/hyaluronidase was approved for medical use in the European Union in August 2013.[3] Trastuzumab/hyaluronidase was approved for medical use in the United States in February 2019.[1][4][5][6][7]

Medical uses

Trastuzumab/hyaluronidase is indicated for adjuvant treatment of adults with HER2 overexpressing node positive or node negative (ER/PR negative or with one high risk feature; and it is indicated in combination with paclitaxel for first-line treatment of HER2-overexpressing metastatic breast cancer.[1][2]

History

Trastuzumab/hyaluronidase (Herceptin SC) was approved for medical use in the European Union in August 2013.[3]

Trastuzumab/hyaluronidase (Herceptin Hylecta) was approved for medical use in the United States in February 2019.[1][4][5][6][7]

Approval of trastuzumab/hyaluronidase was based on two randomized trials, HannaH (NCT00950300) and SafeHER (NCT01566721).[1] In HannaH, 596 participants with HER2-positive operable or locally advanced breast cancer, including inflammatory breast cancer, were randomized to receive 8 cycles of either trastuzumab/hyaluronidase or intravenous trastuzumab concurrently with chemotherapy, followed by surgery and continued therapy with either trastuzumab/hyaluronidase or intravenous trastuzumab, for an additional 10 cycles.[1] HannaH demonstrated comparability between trastuzumab/hyaluronidase and intravenous trastuzumab based on co-primary endpoints of pathologic complete response and pharmacokinetics.[1] Pathological complete response (pCR) was observed in 118 participants (45.4%) on the trastuzumab/hyaluronidase arm and in 107 participants (40.7%) receiving intravenous trastuzumab (95% CI for difference in pCR: -4.0; 13.4).[1]

SafeHER was a prospective, two-cohort, non-randomized, multinational, open-label trial assessing the overall safety and tolerability of trastuzumab/hyaluronidase with chemotherapy in 1,864 participants with HER2-positive breast cancer.[1] Participants received a fixed dose of 600 mg trastuzumab/hyaluronidase every 3 weeks for 18 cycles.[1] trastuzumab/hyaluronidase was initiated either sequentially with chemotherapy, concurrently with chemotherapy, or without adjuvant chemotherapy, or in combination with neoadjuvant chemotherapy followed by trastuzumab.[1]

References
  1. "FDA approves new formulation of Herceptin for subcutaneous use". U.S. Food and Drug Administration (FDA) (Press release). 28 February 2019. Retrieved 8 August 2020. This article incorporates text from this source, which is in the public domain.
  2. "Herceptin Hylecta- trastuzumab and hyaluronidase-oysk injection, solution". DailyMed. 13 May 2019. Retrieved 8 August 2020.
  3. "Commercial Launch of Herceptin SC in EU Triggers Milestone Payment to Halozyme from Roche". Halozyme Therapeutics (Press release). 28 August 2013. Retrieved 8 August 2020.
  4. "Drug Approval Package: Herceptin Hylecta". U.S. Food and Drug Administration (FDA). 17 October 2019. Retrieved 8 August 2020.
  5. "FDA approves Herceptin Hylecta for subcutaneous injection in certain HER2-positive breast cancers". Roche (Press release). 28 February 2019. Retrieved 8 August 2020.
  6. "FDA Approves Herceptin Hylecta for Subcutaneous Injection in Certain HER2-Positive Breast Cancers". Genentech (Press release). 28 February 2019. Retrieved 8 August 2020.
  7. "Halozyme Announces FDA Approval Of Herceptin Hylecta" (Press release). Halozyme Therapeutics. 28 February 2019. Retrieved 8 August 2020 – via PR Newswire.

Further reading
  • "Trastuzumab". Drug Information Portal. U.S. National Library of Medicine.
  • "Hyaluronidase". Drug Information Portal. U.S. National Library of Medicine.
  • "Trastuzumab and Hyaluronidase-oysk". National Cancer Institute.
  • "Trastuzumab and Hyaluronidase-oysk". NCI Drug Dictionary. National Cancer Institute.
  • Clinical trial number NCT00950300 for "A Study to Compare Subcutaneous (SC) Versus Intravenous (IV) Administration of Herceptin (Trastuzumab) in Women With Human Epidermal Growth Factor Receptor (HER) 2-Positive Early Breast Cancer" at ClinicalTrials.gov
  • Clinical trial number NCT01566721 for "A Safety and Tolerability Study of Assisted and Self-Administered Subcutaneous (SC) Herceptin (Trastuzumab) as Adjuvant Therapy in Early Human Epidermal Growth Factor Receptor 2 (HER2)-Positive Breast Cancer (SafeHER)" at ClinicalTrials.gov


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