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How is Herceptin Injection and Herceptin Hylecta administered?

Medically reviewed by Melisa Puckey, BPharm. Last updated on May 19, 2025.

Official Answer by Drugs.com

Herceptin Injection

Herceptin injection (trastuzumab) is administered as an intravenous infusion.

How is Herceptin injection given and stored?

Herceptin injection is supplied as lyophilized powder which needs to reconstituted into a solution for administration

150 mg Single-dose vial (Herceptin injection)

420 mg Multiple-dose vial (Herceptin injection)

Related questions

Herceptin Hylecta

Herceptin Hylecta (trastuzumab and hyaluronidase-oysk) is administered as a subcutaneous injection.

How is Herceptin Hylecta given and stored?

Herceptin Hylecta (600 mg trastuzumab and 10,000 units hyaluronidase)

References

Read next

How long can you stay on Herceptin and Perjeta?

If you are receiving Perjeta for treatment of HER2+ early breast cancer, you may continue treatments with Herceptin every 3 weeks for one year (18 cycles total). For the treatment of HER2+ metastatic breast cancer, you will receive Perjeta and Herceptin until the medicine no longer controls your breast cancer or you have side effects that require you to stop treatment. You may receive other treatments with these medications. Continue reading

What happens after Herceptin treatment?

After Herceptin treatment, your doctor will monitor you regularly for cancer progression, advise you not to become pregnant for at least 7 months (if you are of childbearing potential), and test your heart every 6 months for at least 2 years, because there is a higher risk of developing long-term heart damage in people who take Herceptin. Continue reading

How long can I stay on Herceptin?

Treatment regimens for Herceptin vary depending on hospital protocols, but for the treatment of HER2+ early breast cancer, treatment is usually continued for one year (up to 18 cycles). Continue reading

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