Table of Contents

COMPARISON OF FORMULARY LOW MOLECULAR WEIGHT HEPARINS

Drug Dalteparin  (Fragmin®) Enoxaparin  (Lovenox®) Fondaparinux (Arixtra®)
Indications & Dose      

Prophylaxis of DVT/PE

  • Major Orthopedic Trauma or Spinal Cord Injury
  • General Surgery,   Medicine, Total Knee Arthroplasty, Elective Orthopedic Surgery
 

5000 units SC daily


2500-5000 units SC daily

 

30mg SC Q12H


20-40mg SC daily1

 

2.5 mg SC daily1


2.5 mg SC daily1

Treatment of DVT/PE

200 units/kg SC daily (Max2=18,000units/day) 1mg/kg SC Q12H1 (Max2=100mg Q12H) OR 1.5mg/kg SC daily1 (Max2=180mg/day) 5-10 mg SC daily1 (dependent on weight)

Acute Coronary Syndrome (ACS)

120 units/kg Q12H SC
(Max2=10,000 units Q12H)
1mg/kg SC Q12H (Max2=100mg SC Q12H) 2.5 mg SC daily3
Peak Onset (SC) 4 hours 3 hours 2 hours
Plasma Half-Life
(anti-Xa activity)
119-139 minutes 3.5-4.2 hours 17-21 hours
Elimination renal renal renal
When to Hold SC Dose Prior to Surgery4 24 hours 12 hours (or 24 hours with once daily dosing) 24 hours

1 non-formulary indication at Vancouver Acute
2 the manufacturer recommends a maximum dose; however, dosage should be individualized and higher dosages may be administered
3 formulary for unstable angina/non-ST elevation myocardial infarction only
4 refers to full anticoagulant dosing