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trastuzumab (Herceptin, Herzuma, CT-P6)
Indications:
- HER2 overexpressing breast cancer [6,21] (used in addition to adjuvant chemotherapy)
- HER2-positive gastric carcinoma (used in addition to chemotherapy) [17]
Dosage:
1) 8 mg/kg IV infusion over 90 minutes (1st dose)
2) subsequent doses 6 mg/kg, every 3 weeks for 1 year [3]
a) may be given for 9 weeks rather than 1 year [4]
b) no reason to change 1 year duration of therapy [8]
c) 6 months of therapy equivalent to 1 year [19]
Monitor:
- assess left ventricular function prior to treatment [7]
- monitor cardiac function with echocardiography during & after treatment* [7]
* no indication for continued surveillance with echocardiography or cardiac magnetic resonance imaging if LV systolic function normal 6 months after completion of therapy, & no signs or symptoms of heart failure [7]
Adverse effects:
- infusion reaction
- cardiotoxicity*, congestive heart failure, cardiomyopathy* (1%) [2]
- reversible LV systolic dysfunction [7]
- risk 27% if treated concurrently with trastuzumab + anthracycline, 13% with trastuzumab * paclitaxel, 5% with trastuzumab alone [20]
- risk may be higher in practice than reported in clinical trials (RR=1.8) [9]
- effects largely reversible [7]
- not dose-dependent [7]
- unlikely to occur one year after the end of trastuzumab therapy [20]
* cardiotoxicity may be diminished if given before anthracycline
* restrictive cardiomyopathy not confirmed as complication
Mechanism of action:
1) monoclonal antibody against erbB2 (her2/neu) receptor tyrosine kinase
2) reduces risk of breast cancer recurrence, 2nd primary cancer & mortality [3]
Notes:
- Manufacturer: Genentech Inc
- distinguish from ado-trastuzumab emtansine (Kadcyla) with different dosage & treatment schedules [10]
- biosimilar (CT-P6) equally effective [18]
- cost: $80,000/year (2018) [19]
Interactions
drug adverse effects of pharmaceutical monoclonal antibodies
Specific
ado-trastuzumab emtansine (Kadcyla, T-DM1)
fam-trastuzumab deruxtecan-nxki (Enhertu)
General
antineoplastic monoclonal antibody
References
- Herceptin (Trastuzumab): Questions and Answers
http://cis.nci.nih.gov/fact/7_45.htm
- http://www.fda.gov/medwatch/safety/2005/safety05.htm#Herceptin
- Piccart-Gebhart MJ et al,
Trastuzumab after adjuvant chemotherapy in HER2-positive
breast cancer
N Engl J Med 2005 Oct 20;352:1659-72
PMID: 16236737
- Romond EH, Perez EA, Bryant J, Suman VJ, Geyer CE Jr,
Davidson NE, Tan-Chiu E, Martino S, Paik S, Kaufman PA,
Swain SM, Pisansky TM, Fehrenbacher L, Kutteh LA, Vogel VG,
Visscher DW, Yothers G, Jenkins RB, Brown AM, Dakhil SR,
Mamounas EP, Lingle WL, Klein PM, Ingle JN, Wolmark N.
Trastuzumab plus adjuvant chemotherapy for operable
HER2-positive breast cancer.
N Engl J Med. 2005 Oct 20;353(16):1673-84.
PMID: 16236738
- Piccart-Gebhart MJ, Procter M, Leyland-Jones B, Goldhirsch A,
Untch M, Smith I, Gianni L, Baselga J, Bell R, Jackisch C,
Cameron D, Dowsett M, Barrios CH, Steger G, Huang CS,
Andersson M, Inbar M, Lichinitser M, Lang I, Nitz U, Iwata H,
Thomssen C, Lohrisch C, Suter TM, Ruschoff J, Suto T,
Greatorex V, Ward C, Straehle C, McFadden E, Dolci MS,
Gelber RD; Herceptin Adjuvant (HERA) Trial Study Team.
Trastuzumab after adjuvant chemotherapy in HER2-positive breast
cancer.
N Engl J Med. 2005 Oct 20;353(16):1659-72.
PMID: 16236737
- Hortobagyi GN.
Trastuzumab in the treatment of breast cancer.
N Engl J Med. 2005 Oct 20;353(16):1734-6. No abstract available.
PMID: 16236745
- Joensuu H, Kellokumpu-Lehtinen PL, Bono P, Alanko T, Kataja V,
Asola R, Utriainen T, Kokko R, Hemminki A, Tarkkanen M,
Turpeenniemi-Hujanen T, Jyrkkio S, Flander M, Helle L,
Ingalsuo S, Johansson K, Jaaskelainen AS, Pajunen M, Rauhala M,
Kaleva-Kerola J, Salminen T, Leinonen M, Elomaa I, Isola J;
FinHer Study Investigators.
Adjuvant docetaxel or vinorelbine with or without trastuzumab
for breast cancer.
N Engl J Med. 2006 Feb 23;354(8):809-20.
PMID: 16495393
- Guarneri V et al,
Long-term cardiac tolerability of trastuzumab in metastatic breast
cancer. The M.D. Andersion Cancer Center experience.
J Clin Oncol 2006, 24:4107
PMID: 16908934
- Smith I et al,
2-year follow-up of trastuzumab after adjuvant chemotherapy
in HER2-positive breast cancer: A randomized controlled trial.
Lancet 2007, 369:29
PMID: 17208639
- Medical Knowledge Self Assessment Program (MKSAP) 15, 16, 17. 18, 19.
American College of Physicians, Philadelphia 2009, 2012, 2015, 2018, 2022.
- PHARE trial results comparing 6 to 12 months of adjuvant
trastuzumab in early breast cancer
EMSO: Vienna 2012 Congress
European Society for Medical Oncology
http://www.esmo.org/events/vienna-2012-congress/congress-news/view.html?tx_ttnews[tt_news]=1673
- Updated results of HERA study: Extending trastuzumab for 2
years does not improve outcomes versus 1-year treatment.
EMSO: Vienna 2012 Congress
European Society for Medical Oncology
http://www.esmo.org/events/vienna-2012-congress/congress-news/view.html?tx_ttnews[pointer]=1&tx_ttnews[tt_news]=1672
- Chen J et al.
Incidence of heart failure or cardiomyopathy after adjuvant
trastuzumab therapy for breast cancer.
J Am Coll Cardiol 2012 Dec 18; 60:2504.
PMID: 23158536
- Lenihan DJ.
Progression of heart failure from AHA/ACC stage A to stage B
or even C: Can we all agree we should try to prevent this from
happening?
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PMID: 23158534
- FDA MedWarch. May 6, 2013
Kadcyla (ado-trastuzumab emtansine): Drug Safety Communication
- Potential Medication Errors Resulting from Name Confusion.
http://www.fda.gov/Safety/MedWatch/SafetyInformation/SafetyAlertsforHumanMedicalProducts/ucm350817.htm
- Dahabreh IJ, Linardou H, Siannis F et al
Trastuzumab in the adjuvant treatment of early-stage breast
cancer: a systematic review and meta-analysis of randomized
controlled trials.
Oncologist. 2008 Jun;13(6):620-30
PMID: 18586917
- Ewer MS, Vooletich MT, Durand JB et al
Reversibility of trastuzumab-related cardiotoxicity: new
insights based on clinical course and response to medical
treatment.
J Clin Oncol. 2005 Nov 1;23(31):7820-6.
PMID: 16258084
- Deprecated Reference
- Fiuza M
Cardiotoxicity associated with trastuzumab treatment of HER2+
breast cancer.
Adv Ther. 2009 Jul;26 Suppl 1:S9-17
PMID: 19669637
- Perez EA, Suman VJ, Davidson NE et al
Cardiac safety analysis of doxorubicin and cyclophosphamide
followed by paclitaxel with or without trastuzumab in the
North Central Cancer Treatment Group N9831 adjuvant breast
cancer trial.
J Clin Oncol. 2008 Mar 10;26(8):1231-8
PMID: 18250349
- Slamon D, Eiermann W, Robert N et al
Adjuvant trastuzumab in HER2-positive breast cancer.
N Engl J Med. 2011 Oct 6;365(14):1273-83
PMID: 21991949
- Bang YJ, Van Cutsem E, Feyereislova A et al
Trastuzumab in combination with chemotherapy versus chemotherapy
alone for treatment of HER2-positive advanced gastric or gastro-
oesophageal junction cancer (ToGA): a phase 3, open-label,
randomised controlled trial.
Lancet. 2010 Aug 28;376(9742):687-97
PMID: 20728210
- Stebbing J, Baranau Y, Baryash V et al
CT-P6 compared with reference trastuzumab for HER2-positive
breast cancer: a randomised, double-blind, active-controlled,
phase 3 equivalence trial.
The Lancet Oncology. June 4, 2017
PMID: 28592386
http://www.thelancet.com/journals/lanonc/article/PIIS1470-2045(17)30434-5/fulltext?elsca1=tlpr
- Bankhead C
Six Months of Trastuzumab Equal to 12 in Breast Ca -
Similar outcomes and less cardiotoxicity, but more research
needed.
MedPage Today. May 16, 2018
https://www.medpagetoday.com/meetingcoverage/asco/72917
- Earl HM, et al
PERSEPHONE: 6 versus 12 months (m) of adjuvant trastuzumab in
patients (pts) with HER2 positive (+) early breast cancer (EBC):
Randomised phase 3 non-inferiority trial with definitive 4-year
(yr) disease-free survival (DFS) results.
American Society of Clinical Oncology (ASCO) 2018; Abstract 506
- Elia J, Sofair A, Chavey WE
Herceptin Study Suggests a Shorter, 6-Month Course for Breast
Cancer Will Work.
Physician's First Watch, May 18, 2018
David G. Fairchild, MD, MPH, Editor-in-Chief
Massachusetts Medical Society
http://www.jwatch.org
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Trastuzumab--mechanism of action and use in clinical practice.
N Engl J Med 2007 Jul 6; 357:39
PMID: 17611206
https://www.nejm.org/doi/full/10.1056/NEJMra043186
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Astonishing' PFS Improvement in Metastatic HER+ Breast Cancer.
Medscape. September 22, 2021
https://www.medscape.com/viewarticle/959223
- HIGHLIGHTS OF PRESCRIBING INFORMATION
HERZUMA (trastuzumab-pkrb) for injection, for intravenous use
Initial U.S. Approval: 2018
biosimilar* to HERCEPTIN (trastuzumab).
https://www.accessdata.fda.gov/drugsatfda_docs/label/2018/761091s000lbl.pdf
Component-of
hyaluronidase/trastuzumab
hylenex/pertuzumab/trastuzumab
pertuzumab/trastuzumab with hyaluronidase (Phesgo)