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Am J Med. 1989 Sep;87(3):264-8.

International study of ketanserin in Raynaud's phenomenon.

Author information

1
Evans Memorial Department of Clinical Research, University Hospital, Boston, Massachusetts 02118.

Abstract

PURPOSE:

The effects of ketanserin on primary or secondary Raynaud's phenomenon due to connective tissue disease were studied in a large, international group of patients.

PATIENTS AND METHODS:

The study population consisted of 222 patients from 10 countries. After a run-in period of one month of placebo therapy, patients were randomly assigned in a double-blind manner to receive ketanserin 40 mg three times daily (n = 113) or placebo (n = 109) for three months. Total finger blood flow was measured in 41 patients in a warm and cool room before and during treatment. Vasospastic episodes were assessed by diaries and global evaluations.

RESULTS:

A significant reduction of 34% in frequency of episodes occurred with ketanserin, compared to 18% with placebo (p = 0.011). There was a 1% reduction in duration of episodes with ketanserin therapy, compared to a 2% increase with placebo therapy, but this finding was not statistically significant (p = 0.29). No difference was observed in severity of attacks. Global evaluations by investigators (p = 0.03) and patients (p less than 0.01) showed an overall benefit with ketanserin compared to that seen with placebo. Patients with primary or secondary Raynaud's phenomenon responded similarly to treatment. No changes in total finger blood flow were found.

CONCLUSION:

Ketanserin significantly improves the subjective symptoms of patients with primary or secondary Raynaud's phenomenon and is an appropriate agent to use in this disease when conservative measures fail.

PMID:
2672807
DOI:
10.1016/s0002-9343(89)80148-2
[Indexed for MEDLINE]

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