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Individual Efficacy and Community Impact of Ivermectin, Diethylcarbamazine, and Albendazole Mass Drug Administration for Lymphatic Filariasis Control in Fiji: A Cluster Randomized Trial.
Clin Infect Dis
September 2021
Tropical Diseases Research Group, Murdoch Children's Research Institute, Melbourne, Victoria, Australia.
Background: Bancroftian filariasis remains endemic in Fiji despite >10 years of mass drug administration (MDA) using diethylcarbamazine and albendazole (DA). The addition of ivermectin to this combination (IDA) has improved efficacy of microfilarial clearance at 12 months in individually randomized trials in nocturnal transmission settings, but impact in a setting of diurnally subperiodic filarial transmission has not been evaluated.
Methods: This cluster randomized study compared the individual efficacy and community impact of IDA vs DA as MDA for lymphatic filariasis in 35 villages on 2 islands of Fiji.
Molecular xenomonitoring of diurnally subperiodic Wuchereria bancrofti infection in Aedes (Downsiomyia) niveus (Ludlow, 1903) after nine rounds of Mass Drug Administration in Nancowry Islands, Andaman and Nicobar Islands, India.
PLoS Negl Trop Dis
October 2020
ICMR-Vector Control Research Centre, Department of Health Research, Ministry of Health & Family Welfare, GOI, Medical Complex, Indira Nagar, Puducherry.
Article Synopsis
- A study conducted in the Nancowry Islands of India examines the ongoing transmission of Wuchereria bancrofti, a parasitic worm causing lymphatic filariasis, despite multiple rounds of drug treatment.
- Researchers employed various mosquito trapping methods to collect and analyze Aedes niveus, the main vector responsible for spreading the disease, including BioGents Sentinel, gravid traps, and human baited traps.
- The findings revealed a low but detectable prevalence of W. bancrofti DNA in the mosquito populations, suggesting continued transmission and recommending the use of man landing collections (MLCs) for effective vector sampling and monitoring future interventions.
Elimination of diurnally sub-periodic Wuchereria bancrofti in Andaman and Nicobar Islands, India, using mass DEC-fortified salt as a supplementary intervention to MDA.
Parasitol Res
May 2020
ICMR-Vector Control Research Centre, Department of Health Research, Ministry of Health & Family Welfare, GOI, Medical Complex, Indira Nagar, Puducherry, 605 006, India.
Feasibility of implementing a DEC-fortified (DEC at 0.2% w/w and iodine) salt strategy to hasten elimination of diurnally sub-periodic Wuchereria bancrofti (DspWB) from the lone foci in Nancowry islands, Nicobar district, India, was assessed. This is a two-arm community-based study: one arm (12 villages, population 2936) received double fortified salt along with annual mass drug administration (MDA) of DEC plus albendazole (DEC-salt+MDA-arm), and another (14 villages; population 4840) received MDA under the National Filaria Elimination Programme.
View Article and Find Full Text PDFElimination of lymphatic filariasis as a public health problem from Tonga.
Trop Med Health
July 2019
3Formerly with Vector Control Research Centre (ICMR), Indira Nagar, Pondicherry, 605006 India.
Background: Tonga was highly endemic for lymphatic filariasis (LF) caused by diurnally sub-periodic i transmitted by vector species. LF prevalence declined very appreciably as a result of chemotherapeutic intervention measures implemented in 1977, but low levels of infection persisted. Along with other Pacific Island countries and in partnership with the Pacific Programme to Eliminate LF (PacELF), Tonga implemented a programme to eliminate LF as a public health problem.
View Article and Find Full Text PDFElimination of diurnally subperiodic lymphatic filariasis in remote islands of the Bay of Bengal, inhabited by the Nicobarese: do we have the strategy to complete the job?
Public Health
May 2016
Regional Medical Research Centre (Indian Council of Medical Research), Department of Health Research, Ministry of Health & Family Welfare, Govt of India, Post Bag No.13, Port Blair 744 101, Andaman & Nicobar Islands, India. Electronic address:
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