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  • Title: Slow release nifedipine in the treatment of Raynaud's phenomenon.
    Author: Costantini A, Martelli E, Bavera P, Agus GB.
    Journal: Int Angiol; 1987; 6(4):359-63. PubMed ID: 3330116.
    Abstract:
    An ever increasing interest is shown towards calcium-antagonist drugs and in particular to nifedipine in the treatment of Raynaud's Phenomenon (R.P.) On this matter a randomized double-blind study with 40 mg/die slow release nifedipine versus placebo was carried out for 30 days on 24 patients affected by R.P.-idiopathic in 16 cases and secondary in the remaining 8 cases. The evaluation of the clinical situation (hand ischemic attacks, pain, skin trophism) and the structural one (capillaroscopy of the finger nail bed and strain-gauge digital plethysmography) could be performed on 17 patients since 7 dropped out. From the clinical point of view an improvement was observed especially in the reduction of the ischemic attacks (88.8% of patients treated with nifedipine vs. 25.0% treated with placebo). Capillaroscopic results showed an improvement in 100% of the cases treated with nifedipine vs. 12.5% with placebo (p less than 0.001), as well as an improvement of the basal digit blood pressure values and after cold test in 88.8% of patients treated with nifedipine vs. 12.5% treated with placebo (p less than 0.005) and (p less than 0.0025) respectively.
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