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NCT03962062
The primary purpose of this study is to determine a dose of moxidectin for children 4 to 11 years that is equivalent to an 8 mg dose administered for treatment of onchocerciasis in people 12 years and over. The secondary purpose is to evaluate the safety and pharmacokinetics of a single dose of moxidectin in children and adolescents aged 4 to 17 years.
NCT04035174
This study aims at evaluating the diagnosis performances of the LTS-2 DEC patch for onchocerciasis compared to the gold standard which are the skin snips. This study will be conducted in Cameroon in two different areas : Ngog-Mapubi and Bafia Health Districts (one area only endemic for onchocerciasis, and one area endemic for both loiasis and onchocerciasis).
NCT04913610
Onchocerciasis is a major public health problem in affected countries that causes disease-induced disability, and overall loss of economic productivity. The purpose of this study is to determine how safe and effective ABBV-4083 in combination with albendazole is in treating participants with Onchocerciasis. ABBV-4083 is an investigational drug being developed for the treatment of onchocerciasis. This study is conducted in 2 parts. In part 1, participants are randomly assigned to 1 of 5 groups, called treatment arms to determine the most efficient treatment combination. Each group receives a different treatment. In part 2, participants are randomly assigned to 1 of 4 treatment arms. Approximately 444 or 486 adult participants with a diagnosis of onchocerciasis will be enrolled in approximately 2 sites in Democratic Republic of Congo. Participants in Part 1 will receive different treatment combinations of ABBV-4083 and/or albendazole and/or matching placebo capsules for 14 days. Participants in Part 2 will receive the most effective treatment combination(s) determined in Part 1 for 14 days followed by ivermectin or matching placebo capsules at Month 6; duration of treatment is 24 months. There may be higher treatment burden for participants in this trial compared to their standard of care. Participants will attend regular visits during the study at a hospital or clinic. The effect of the treatment will be checked by medical assessments, blood tests and checking for side effects.
NCT05180461
The trial evaluates safety, tolerability, pharmacodynamics, pharmacokinetics, dose-response, and efficacy of emodepside tablets, administrated as a range of dose regimens, in adults infected with Onchocerca Volvulus.
NCT05749653
Onchocerciasis is a neglected tropical disease associated with epilepsy, particularly in areas of high Onchocerciasis volvulus transmission. Onchocerciasis-associated epilepsy is characterised by seizures that start between the ages of five to 18 years. The tropical disease can be controlled through community-directed treatment with ivermectin (CDTi). Mahenge, in Tanzania, had a high prevalence of onchocerciasis and epilepsy despite more than 20 years of annual CDTi. Hence, the Tanzanian Neglected Tropical Diseases Control Programme has switched from annual to bi-annually CDTi since 2019. After this switch, the CDTi coverage increased and was sustained in both ivermectin rounds in 2021, and the number of new epilepsy cases decreased. The latter were persons who did not take ivermectin the year they had the first seizures. Hence, all ivermectin-eligible children at risk of onchocerciasis should take ivermectin at least annually. Overall, increasing the frequency and coverage of the CDTi programme should be considered in onchocerciasis-endemic areas with a high prevalence of epilepsy.
NCT00300768
The primary purpose of this study was to determine the safety and tolerability of moxidectin in subjects infected with Onchocerca volvulus (a parasitic worm).
NCT01905436
Approximately 5,200 people will participate per year. The study population will include females and males over 5 years of age who live in filariasis and onchocerciasis endemic areas. Subject selection will not be based on health status. Two sites will be studied, and each study will last for 4 years. Participants will be studied only once in cross-sectional surveys. Some subjects may be included in more than one annual population survey, but this is not a longitudinal study. Investigators will compare annual and semiannual mass drug administration (MDA) for lymphatic filariasis and onchocerciasis, and investigators will compare the impact of these MDA schedules on soil transmitted helminth infections. MDA will be administered by others (Liberian Ministry of Health or Liberian Institute of Biomedical Research). The investigators will test the hypothesis that semiannual mass drug administration (MDA) is superior to annual MDA for elimination of lymphatic filariasis, onchocerciasis and for control of soil transmitted helminth (STH) infections. 1. Compare the relative impact and cost effectiveness of annual vs. twice yearly mass drug administration (MDA) for elimination of lymphatic filariasis (LF) in these populations. 2. Compare the relative impact and cost effectiveness of annual vs. twice yearly mass drug administration (MDA) for elimination of onchocerciasis in these populations. 3. Study the impact of annual vs. semiannual MDA on soil transmitted helminth (STH) infection in these populations. Continuation Activities (2019/2020): Additional one-time cross-sectional surveys will be completed in the Harper site in Maryland district in 2019 and in Lofa in 2020 to measure the long-term impact of MDA on W. bancrofti, O. volvulus, and on STH infection parameters following these cumulative 7-9 rounds of MDA since the baseline survey taken in 2013. Since the last DOLF surveys (3rd follow-ups) in these sites in 2016 \& 2017, respectively, there have been a total of 3 annual rounds of MDA in both areas. These additional surveys will recruit 2,500 participants in the Maryland area villages and 3,200 in the Lofa area villages.