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  • Title: Decrease of fibrinogen in patients with peripheral atherosclerotic disease by ticlopidine.
    Author: Randi ML, Mares M, Fabris F, Tison T, Barbone E, Girolami A.
    Journal: Arzneimittelforschung; 1991 Apr; 41(4):414-6. PubMed ID: 1859515.
    Abstract:
    Ticlopidine (Ticlodone: CAS 55142-85-3) is able to develop a positive effect on claudication in patients affected by peripheral atherosclerotic disease (PAD). It is also known that ticlopidine decreases fibrinogen levels in plasma. 15 PAD patients treated with ticlopidine for 3 months were studied, evaluating the drug's effect both on maximum walking distance and on fibrinogen. Plasma fibrinogen as coagulable protein, fibrinogen antigen (Partigen method), 125I-fibrinogen survival, euglobulin lysis time and plasminogen were determined with the aim of clarifying if the decrease of plasma fibrinogen induced by ticlopidine is due to an increased destruction of a decreased production of the molecule. The normal levels of all tests before and after therapy both in ticlopidine treated patients and in the control group (acetylsalicylic acid + dipyridamol) indicate that the two hypotheses are not true. It is proposed that ticlopidine developing the known effect in decreasing the binding of fibrinogen to platelets induces a decrease only of activated fibrinogen.
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