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July 1984

Calcium Blockers in Smooth-Muscle Disorders: Current Status

Author Affiliations

From the Divisions of Cardiology (Dr Schwartz) and Clinical Pharmacology (Drs Rotmensch, Vlasses, and Ferguson), Departments of Medicine and Pharmacology, Jefferson Medical College, Thomas Jefferson University, Philadelphia.

Arch Intern Med. 1984;144(7):1425-1429. doi:10.1001/archinte.1984.00350190113021

• Calcium-entry blockers have proven efficacy in a variety of cardiovascular disorders. The effects of these agents on ionic calcium fluxes and, thus, on smooth-muscle contraction suggest that several noncardiac conditions involving smooth-muscle dysfunction may be managed with calcium antagonists. Beneficial therapeutic results have been reported in various forms of hypertension and Raynaud's phenomenon. The results of preliminary studies in treating pulmonary hypertension, cerebral arterial spasm, migraine headache, esophageal motility disorders, and myometrial hypercontractile states are encouraging. Carefully designed, large-scale and long-term clinical trials are needed to establish the therapeutic value of calcium-entry blockers in these disorders.

(Arch Intern Med 1984;144:1425-1429)

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