Single IV bolus administration
Metalyse® 25 mg is administered by a single IV bolus over 5 to 10 seconds, eliminating the need for a one-hour infusion, as required for Actilyse®1-3
![Single IV bolus administration Single IV bolus administration](/products/metalyse/sites/default/files/2024-02/Single_IV_bolus_administration.jpeg)
![Metalyse® 25 mg is administered
by a single IV bolus injection over 5 to 10 seconds3-4 Metalyse® 25 mg is administered
by a single IV bolus injection over 5 to 10 seconds3-4](/products/metalyse/sites/default/files/2024-02/metalyse-25-mg-is-administered-%E2%80%A8by-a-single-iv-bolus-injection.jpg)
Metalyse® 25 mg comes as one single vial of powder for reconstitution, regardless of the patient
The dosing for Metalyse® 25 mg is simple with only 5 weight-based tiers:
Weight (kg) | Volume (ml) | Tenecteplase (U) | Tenecteplase (mg) |
---|---|---|---|
< 60 | 3 | 3000 | 15 |
≥ 60 to < 70 | 3.5 | 3500 | 17.5 |
≥ 70 to < 80 | 4 | 4000 | 20 |
≥ 80 to <90 | 4.5 | 4500 | 22.5 |
≥ 90 | 5 | 5000 | 25 |
![Preparation and Administration Preparation and Administration](/products/metalyse/sites/default/files/2024-02/Preparation%26administration.png)
PDF Document for Preparation and Administration
![Video for Preparation and Administration Video for Preparation and Administration](/products/metalyse/sites/default/files/2024-03/video-for-preparation-and-administration.png)
Video for Preparation and Administration
Footnotes
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IV: intravenous; PAI-1: plasminogen activator inhibitor-1
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*
One of the common contributing factors that led to dosing errors associated with alteplase administration was the infusion pump being programmed incorrectly. Additionally, a single IV bolus administration avoids the interruption of treatment, further reducing dosing errors.
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†
Tenecteplase was administrated within 4.5 hours after onset of stroke symptoms, as a weight-tiered bolus dose, based on 0.25 mg/kg by 10 kg steps, for the maximum weight at each tier: < 60 kg, 15 mg tenecteplase; ≥ 60 to < 70 kg, 17.5 mg; ≥ 70 to < 80 kg, 20 mg; ≥ 80 to < 90 kg, 22.5 mg; and ≥ 90 kg, 25 mg.
References
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Metalyse® European Summary of Product Characteristics.
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Menon BK, et al. Lancet 2022;400:161-169.
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Bivard A, et al. Lancet Neurol. 2022;21:520-27.
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Actilyse® European Summary of Product Characteristics.
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Dancsecs K. A. et al. Am J Emerg Med. 2021;47:90-94.
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Miller, SE and Warach, SJ. Neurotherapeutics 2023;20:664–678.
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Zhu A, et al. Res Pract Thromb Haemost. 2022;6:e12795.
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Huang X, et al. Stroke. 2015;46(12):3543–6.
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Tanswell P, et al. Clin Pharmacokinet. 2002;41(15):1229–45.