Reteplase

Reteplase
Clinical data
Trade names	Retavase
AHFS/Drugs.com	Monograph
ATC code	B01AD07 (WHO)
Identifiers
CAS Number	133652-38-7^Y
DrugBank	DB00015^Y
ChemSpider	none
UNII	DQA630RIE9^Y
KEGG	D05721^Y
Chemical and physical data
Formula	C₁₇₃₆H₂₆₇₁N₄₉₉O₅₂₂S₂₂
Molar mass	39589.6 g/mol
(verify)

Reteplase (trade names Retavase, Rapilysin) is a thrombolytic drug, used to treat heart attacks by breaking up the clots that cause them.

Reteplase is a recombinant non-glycosylated form of human tissue plasminogen activator, which has been modified to contain 357 of the 527 amino acids of the original protein. It is produced in the bacterium Escherichia coli.

Reteplase is similar to recombinant human tissue plasminogen activator (alteplase), but the modifications give reteplase a longer half-life of 13–16 minutes. Reteplase also binds fibrin with lower affinity than alteplase, improving its ability to penetrate into clots.

Reteplase was approved by the Food and Drug Administration in 1996.

As reteplase is able to penetrate inside the thrombi, an enhanced fibrinolytic activity will be achieved → rapid reperfusion → low incidence of bleeding.

Antithrombotics (thrombolytics, anticoagulants and antiplatelet drugs) (B01)

Antiplatelet drugs

Glycoprotein IIb/IIIa inhibitors	Abciximab Eptifibatide Orbofiban Roxifiban Sibrafiban^§ Tirofiban

ADP receptor/P2Y₁₂ inhibitors	Thienopyridines Clopidogrel Prasugrel Ticlopidine Nucleotide/nucleoside analogs Cangrelor Elinogrel Ticagrelor

Prostaglandin analogue (PGI2)	Beraprost Iloprost Prostacyclin Treprostinil

COX inhibitors	Acetylsalicylic acid/Aspirin^# Aloxiprin Carbasalate calcium Indobufen Triflusal

Thromboxane inhibitors	Thromboxane synthase inhibitors Dipyridamole (+ aspirin) Picotamide Terbogrel Receptor antagonists Terbogrel Terutroban^§

Phosphodiesterase inhibitors	Cilostazol Dipyridamole Triflusal

Other	Cloricromen Ditazole Vorapaxar

Anticoagulants

Vitamin K antagonists
(inhibit II, VII, IX, X)

Factor Xa inhibitors
(with some II inhibition)

Heparin group/ glycosaminoglycans/ (bind antithrombin)	Low molecular weight heparin Bemiparin Certoparin Dalteparin Enoxaparin Nadroparin Parnaparin Reviparin Tinzaparin^‡ Oligosaccharides Fondaparinux Idraparinux^§ Heparinoids Danaparoid Dermatan sulfate Sulodexide

Direct Xa inhibitors ("xabans")	Apixaban Betrixaban^† Darexaban^§ Edoxaban Otamixaban^§ Rivaroxaban

Direct thrombin (IIa) inhibitors

Other

Thrombolytic drugs/
fibrinolytics

Non-medicinal

^#WHO-EM
^‡Withdrawn from market
Clinical trials:
- ^†Phase III
- ^§Never to phase III

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