Local anaesthetic effect of antiarrhythmic drugs and human sperm immobilization: mechanism and application of the interrelationship.

Sperm immobilizing activity of three class I antiarrhythmic drugs, quinidine, procainamide, mexiletine, one adrenoceptor blocking drug, labetalol and one calcium channel blocking drug, diltiazem was measured with a trans‐membrane migration method. All these drugs immobilized human sperm. Local anaesthetic effect is the underlying mechanism for these drugs to inhibit sperm motility. Sperm immobilization could be a screening test for the local anaesthetic effect of antiarrhythmic drugs.

DOI: 10.1111/j.1365-2125.1984.tb02404.x

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