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. 1999 Jul;14(2):100–108. doi: 10.1007/BF02867907

Immunomonitoring followed by optimal dec therapy for successful management of clinical filariasis in an endemic area

B C Harinath 1,✉, M V R Reddy 1, R Alli 1, V K Mehta 2, P Chaturvedi 3, K R Patond 4, S P Kalantri 5, R K C Gupta 6
PMCID: PMC3453583  PMID: 23105207

Abstract

Lymphatic filariasis continues to be the major cause of clinical morbidity in India and other developing tropical countries. One of the major lacunae in the effective management of clinical filarial cases is the non-availability of a suitable diagnostic test for confirming filaria aetiology in acute, chronic and occult clinical cases where microfilariae (mf) are not usually seen in peripheral circulation. Studies in our laboratory have shown the usefulness of filarial antibody and antigen assays using microfilarial excretory-secretory (mf ES) antigen in detecting microfilaraemic, acute and chronic filarial cases and in confirming filarial aetiology in occult infections. Diethylcarbamazine citrate (DEC) is the drug of choice for lymphatic filariasis. Different regimens of DEC have been explored in the treatment of microfilaraemic cases. Immunomonitoring has shown that the seroconversion of antigen and antibody positivity was found to be very helpful in determining appropriate period of DEC treatment for clinical relief and cure in clinical filarial patients and further they did not have recurrence in most of the cases. Optimal DEC (6mg/kg body wt/day for 21 days each month for 3–12 months) therapy was found to be very effective in acute and atypical clinical manifestations such as asthmatic bronchitis, pulmonary eosinophilia, monoarthritis, recurrent upper respiratory tract infections (URI), pneumonia (super imposed infections) in children and minimal hydrocele, epididymoorchitis, lymphangitis, lymphadenitis, acute abdomen, central serous retinopathy, tenosynovitis, pain and swelling in limbs and joints in adults living in filaria endemic areas.

Key words: Filariasis, immunodiagnosis, immunomonitoring, DEC therapy

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