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Tafatatha, Terence T, Ngwira, Bagrey M, Taegtmeyer, Miriam 
ORCID: https://orcid.org/0000-0002-5377-2536, Phiri, Amos J, Wilson, Trevor P, Banda, Louis G, Piston, Wilson N, Koole, Olivier, Horton, John and French, Neil
(2015)
'Randomised controlled clinical trial of increased dose and frequency of albendazole and ivermectin on Wuchereria bancrofti microfilarial clearance in northern Malawi'. Transactions of the Royal Society of Tropical Medicine and Hygiene, Vol 109, Issue 6, pp. 393-399.
Abstract
Background
In Africa, albendazole and ivermectin are currently used in combination for annual mass drug administration (MDA) for lymphatic filariasis (LF) elimination. Rapid and sustained clearance is desirable for public health impact and elimination of LF. Increasing the dose and/or frequency of albendazole and ivermectin treatment may be more effective in clearing microfilariae than standard MDA.
Methods
We conducted a randomised controlled open label trial in northern Malawi comparing three modified treatment groups to standard dosage of ivermectin and albendazole in adults with confirmed circulating LF antigen and microfilaria. Participants were followed-up every 6 months for 2 years for repeat microfilarial counts and safety assessments.
Results
A total of 1851 adults were screened and 70 with microfilarial counts >80 microfilariae/ml were randomised. All treatment groups achieved a significant reduction of microfilariae levels by 12- and 24-months of follow-up. Doubling the standard dose and administering it twice yearly showed a non-significant tendency towards faster and more complete clearance. There were no serious adverse reactions.
Conclusions
In this small study, all regimens effectively cleared microfilaria. Standard treatment may be adequate in settings like Malawi but not in all endemic settings and larger studies are required to demonstrate benefit of higher dosages.
[ClinicalTrials.gov identifier: NCT01213576].
| Item Type: | Article |
|---|---|
| Subjects: | QV Pharmacology > QV 38 Drug action. QX Parasitology > Helminths. Annelida > QX 203 Nematoda WC Communicable Diseases > Tropical and Parasitic Diseases > WC 880 Filariasis and related conditions (General) |
| Faculty: Department: | Clinical Sciences & International Health > International Public Health Department |
| Digital Object Identifer (DOI): | https://doi.org/10.1093/trstmh/trv027 |
| Depositing User: | Jessica Jones |
| Date Deposited: | 29 Jan 2016 14:32 |
| Last Modified: | 17 Oct 2019 10:51 |
| URI: | https://archive.lstmed.ac.uk/id/eprint/5562 |
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