Daily diethylcarbamazine for the treatment of Brugia malayi microfilaria carriers.
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1992-05-01
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Abstract
BACKGROUND. Diethylcarbamazine is effective for the treatment of brugian filaria carriers. However, the 12-day course with a daily dose of 6 mg per kg body weight is rarely completed. The World Health Organization has indicated the need for better regimes to control filariasis.
METHODS. We evaluated the long term effects of three different dosage regimes of diethylcarbamazine--6, 9 and 12 mg per kg body weight--to a total of 72 mg on 93 microfilaria carriers of Brugia malayi.
RESULTS. All cases treated with the 6 mg daily dose showed complete clearance of microfilaria immediately after the treatment. However, at the 9 and 12 mg daily doses only 91% and 85% of cases respectively showed complete clearance. There was a close association between the daily dose and the proportion of cases developing side-effects. The mean initial microfilaria counts were significantly higher in those who had side-effects than in those who did not. An 11-month follow up showed that with the 6 mg daily dose the recurrence rate of microfilaraemia was 29% while with the 12 mg daily dose it was 67%. Four per cent of patients on a daily dose of 6 and 9 mg discontinued treatment while 21% of those on the 12 mg daily dose did so.
CONCLUSION. The 6 mg daily dose of diethylcarbamazine was the most effective and best accepted regime.
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Krishnamoorthy K, Sabesan S, Panicker KN, Prathiba J. Daily diethylcarbamazine for the treatment of Brugia malayi microfilaria carriers. National Medical Journal of India. 1992 May-Jun; 5(3): 104-7