Table 3.

Adverse Effects of Long-Term Use of Low-Molecular Weight Heparin and Vitamin K Agonist.*

Study n Treatment Thrombocytopenia (%) HIT (%) Bruising (%) Allergy (%) Fracture (%)
CANTHANOX 71 VKA 24 0 – – 0
67 LMWH 32 0 – – 0
CLOT 336 VKA – – – – –
336 LMWH – – – – –
LITE 100 VKA 4 – – – 5
100 LMWH 6 – – – 3
ONCENOX 34 VKA 14 0 – – –
68 LMWH 3 0 – – –
MALT 154 Placebo – 0 – 1 –
148 LMWH – 0 – 0 –
FAMOUS 184 Placebo – – – – –
190 LMWH – – – – –
SIDERAS 70 Placebo 2 – 19 – –
68 LMWH 5 – 50 – –
*n=500 patients with cancer. HIT, heparin-induced thrombocytopenia; LMWH, low-molecular weight heparin; VKA, vitamin K agonist. Reprinted with permission from Debourdeau et al.56
RMMJ Rambam Maimonides Medical Journal Rambam Health Care Campus 2014 October; 5(4): e0041. ISSN: 2076-9172
Published online 2014 October 29. doi: 10.5041/RMMJ.10175