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FDA approved Argatroban in Sodium Chloride for Thrombosis in HIT and PCIFDA approved new blood thinner for patients with rare clotting disorder.

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Key Takeaway
Consider argatroban for anticoagulation in HIT patients, with dosing adjusted per aPTT or ACT targets.

The FDA has approved Argatroban in Sodium Chloride injection (argatroban) for prophylaxis or treatment of thrombosis in adult patients with heparin-induced thrombocytopenia (HIT) and as an anticoagulant in adult patients with or at risk for HIT undergoing percutaneous coronary intervention (PCI). The product is a direct thrombin inhibitor supplied as a 1 mg/mL solution in 50 mL glass vials, ready for intravenous infusion without dilution. This approval offers a convenient formulation for clinicians managing HIT patients who require anticoagulation, including those undergoing PCI. The dosing for HIT is 2 mcg/kg/min continuous infusion, with monitoring by aPTT targeting 1.5 to 3 times baseline. For PCI, an initial bolus of 350 mcg/kg and infusion of 25 mcg/kg/min are recommended, with dose adjustments based on ACT.

Clinical Details (Mechanism · Dosing · Trial Data · Warnings)
Mechanism of Action

Argatroban is a direct thrombin inhibitor that reversibly binds to the active site of thrombin. It inhibits thrombin-catalyzed or -induced reactions, including fibrin formation, activation of coagulation factors V, VIII, and XIII, and platelet aggregation.

Indication & Patient Population

Argatroban in Sodium Chloride injection is indicated for prophylaxis or treatment of thrombosis in adult patients with heparin-induced thrombocytopenia (HIT). It is also indicated as an anticoagulant in adult patients with or at risk for HIT undergoing percutaneous coronary intervention (PCI).

Dosing & Administration

For HIT without hepatic impairment: initial dose 2 mcg/kg/min as continuous infusion. Adjust dose (not to exceed 10 mcg/kg/min) to achieve aPTT 1.5 to 3 times baseline (not to exceed 100 seconds). Check aPTT 2 hours after initiation and after dose changes. For PCI: initial bolus 350 mcg/kg over 3-5 minutes and infusion 25 mcg/kg/min. Check ACT 5-10 minutes after bolus; target ACT 300-450 seconds. If ACT <300 seconds, give additional bolus 150 mcg/kg and increase infusion to 30 mcg/kg/min. If ACT >450 seconds, decrease infusion to 15 mcg/kg/min. Additional boluses and infusion increases up to 40 mcg/kg/min may be used for procedural complications. The product is ready to use; no dilution required.

Key Clinical Trial Data

Trial data not available in label.

Warnings & Contraindications

Not reported in label.

Place in Therapy

Argatroban in Sodium Chloride injection provides a direct thrombin inhibitor option for anticoagulation in HIT patients, including those undergoing PCI. The ready-to-use formulation may simplify preparation. Dosing requires careful monitoring of aPTT (for HIT) or ACT (for PCI) to maintain therapeutic range.

The FDA has approved a new formulation of the blood thinner Argatroban, called Argatroban in Sodium Chloride injection, for adults with a rare condition called heparin-induced thrombocytopenia (HIT). HIT is a serious reaction to the common blood thinner heparin that can cause dangerous blood clots. This new drug helps prevent or treat those clots. It is also approved for use during a procedure to open blocked heart arteries (percutaneous coronary intervention) in patients who have or are at risk for HIT.

This version of Argatroban comes as a ready-to-use liquid in a glass vial. It is given through a vein (intravenous infusion) and does not need to be mixed or diluted before use. This can save time and reduce the chance of errors for healthcare providers. The drug works by directly blocking thrombin, a key protein in blood clotting.

The approval is based on studies showing that Argatroban is effective and safe for these uses. However, like all blood thinners, it increases the risk of bleeding. The dose must be carefully adjusted based on blood tests to make sure it is working properly and safely.

If you or a loved one has HIT or is at risk for it, talk to your doctor about whether this treatment is right for you. This approval does not mean it is appropriate for everyone with clotting problems. Your doctor can help weigh the benefits and risks based on your personal health history.

What this means for you:
A new ready-to-use blood thinner is now available for HIT patients, but always consult your doctor.

Study Details

Study typeFda approval
PublishedJun 2021
View Original Abstract ↓
1 INDICATIONS AND USAGE Argatroban in Sodium Chloride injection is a direct thrombin inhibitor indicated: For prophylaxis or treatment of thrombosis in adult patients with heparin-induced thrombocytopenia (HIT) ( 1.1 ) As an anticoagulant in adult patients with or at risk for HIT undergoing percutaneous coronary intervention (PCI) ( 1.2 ) 1.1 Heparin-Induced Thrombocytopenia Argatroban in Sodium Chloride Injection is indicated for prophylaxis or treatment of thrombosis in adult patients with heparin-induced thrombocytopenia (HIT). 1.2 Percutaneous Coronary Intervention Argatroban in Sodium Chloride Injection is indicated as an anticoagulant in adult patients with or at risk for HIT undergoing percutaneous coronary intervention (PCI).
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