Sensitivity of Plasmodium falciparum to reduced dose of mefloquine in pregnant women in Nigeria.

Abstract:

:Mefloquine base, (12.5 mg/kg body weight), was administered as a single oral dose to 34 pregnant women with Plasmodium falciparum parasitaemia. They were followed up in vivo using the modified 28-day WHO extended field test. The sensitivity of P. falciparum isolates obtained from these women to mefloquine (MQ) was evaluated in vitro. All women were parasite negative by day 4 and remained aparasitaemic throughout the 28-day period of observation. Parasitological and clinical responses were well correlated in all the patients. Minimal side effects, after drug intake, were reported by these women, but they all resolved spontaneously. The determined Mean Parasite Clearance Time (MPCT) was 57.7 +/- 14 hours. Seventeen parasite isolates were cultured in vitro; 9 (53%) grew satisfactorily. Schizont growth inhibitions was obtained at mefloquine concentration of 32 pmol/well (6.4 pmol/mu L). The effective drug concentration that gave 99% parasite growth inhibition (EC99) was 25.6 pmol/well (5.1 pmol/mu L); which indicates high parasite susceptibility to the drug in vitro. However, low dose of MQ may be ineffective in clearing parasitaemia in areas with mefloquine resistant parasite strains.

journal_name

Acta Trop

journal_title

Acta tropica

authors

Okoyeh JN,Lege-Oguntoye L,Emembolu JO,Sarki U

doi

10.1016/0001-706x(95)00125-x

subject

Has Abstract

pub_date

1996-03-01 00:00:00

pages

1-8

issue

1

eissn

0001-706X

issn

1873-6254

pii

0001-706X(95)00125-X

journal_volume

61

pub_type

临床试验,杂志文章
  • Blood-feeding performance of nymphs and adults of Triatoma brasiliensis on human hosts.

    abstract::The blood-feeding behaviour of nymphs and adults of Triatoma brasiliensis fed on the forearm of human volunteers was studied by electronic monitoring of the cibarial pump. Parameters of total contact time (TT), initial weight (IW), weight gain (WG), ingestion rate (IR), pump frequency (F), quantity of liquid ingested ...

    journal_title:Acta tropica

    pub_type: 杂志文章

    doi:10.1016/s0001-706x(03)00121-9

    authors: Guarneri AA,Diotaiuti L,Gontijo NF,Gontijo AF,Pereira MH

    更新日期:2003-08-01 00:00:00

  • Pattern and predictors of soil-transmitted helminth reinfection among aboriginal schoolchildren in rural Peninsular Malaysia.

    abstract::Data on soil-transmitted helminth (STH) infections and reinfection among Orang Asli (aborigine) schoolchildren and their nutritional and socioeconomic status were analyzed to investigate the pattern and the possible predictors of STH reinfection. In this longitudinal study, 120 (60 males and 60 females) Orang Asli pri...

    journal_title:Acta tropica

    pub_type: 杂志文章

    doi:10.1016/j.actatropica.2008.05.022

    authors: Hesham Al-Mekhlafi M,Surin J,Atiya AS,Ariffin WA,Mohammed Mahdy AK,Che Abdullah H

    更新日期:2008-08-01 00:00:00

  • Classification within the cosmopolitan genus Culex (Diptera: Culicidae): the foundation for molecular systematics and phylogenetic research.

    abstract::The internal classification of the cosmopolitan and medically important genus Culex is thoroughly reviewed and updated to reflect the multitude of taxonomic changes and concepts which have been published since the classification was last compiled by Edwards in 1932. Both formal and informal taxa are included. The clas...

    journal_title:Acta tropica

    pub_type: 杂志文章,评审

    doi:10.1016/j.actatropica.2011.06.005

    authors: Harbach RE

    更新日期:2011-10-01 00:00:00

  • Genetic polymorphism in pvmdr1 and pvcrt-o genes in relation to in vitro drug susceptibility of Plasmodium vivax isolates from malaria-endemic countries.

    abstract::Treatment failure of chloroquine for Plasmodium vivax infection has increased in endemic countries. However, the molecular mechanisms for resistance and in vitro susceptibility of P. vivax to chloroquine remain elusive. We investigated the prevalence of mutations in the pvmdr1 and pvcrt-o genes, and the copy number of...

    journal_title:Acta tropica

    pub_type: 杂志文章

    doi:10.1016/j.actatropica.2010.08.011

    authors: Lu F,Lim CS,Nam DH,Kim K,Lin K,Kim TS,Lee HW,Chen JH,Wang Y,Sattabongkot J,Han ET

    更新日期:2011-02-01 00:00:00

  • Identification of the resistance of a novel molecule heat shock protein 90alpha (HSP90alpha) in Microtus fortis to Schistosoma japonicum infection.

    abstract::Microtus fortis is a naturally resistant vertebrate host of Schistosoma japonicum by preventing completion of parasite's life cycle. Sera of M. fortis were found to have anti-schistosome effect in vitro and in vivo. In order to identify genes associated with the anti-schistosome effect of M. fortis, we screened a M. f...

    journal_title:Acta tropica

    pub_type: 杂志文章

    doi:10.1016/j.actatropica.2010.03.007

    authors: Gong Q,Cheng G,Qin ZQ,Xiong DH,Yu YJ,Zeng QR,Hu WX

    更新日期:2010-09-01 00:00:00

  • Triatoma infestans relies on salivary lysophosphatidylcholine to enhance Trypanosoma cruzi transmission.

    abstract::Triatoma infestans is a mandatory haematophagous vector of Chagas disease in Brazil. Despite a large number of studies on the anti-haemostatic molecules present in its saliva, the role of its salivary components on parasite transmission is poorly understood. Here, we show that the bioactive lipid molecule, lysophospha...

    journal_title:Acta tropica

    pub_type: 杂志文章

    doi:10.1016/j.actatropica.2017.10.022

    authors: Lima MS,Carneiro AB,Souto-Padron T,Jurberg J,Silva-Neto MAC,Atella GC

    更新日期:2018-02-01 00:00:00

  • Reservoir host competence and the role of domestic and commensal hosts in the transmission of Trypanosoma cruzi.

    abstract::We review the epidemiological role of domestic and commensal hosts of Trypanosoma cruzi using a quantitative approach, and compiled >400 reports on their natural infection. We link the theory underlying simple mathematical models of vector-borne parasite transmission to the types of evidence used for reservoir host id...

    journal_title:Acta tropica

    pub_type: 杂志文章

    doi:10.1016/j.actatropica.2015.05.029

    authors: Gürtler RE,Cardinal MV

    更新日期:2015-11-01 00:00:00

  • Responses of Anopheles minimus to DDT residual spraying in a cleared forested foothill area in central Thailand.

    abstract::Anopheles balabacensis balabacensis and Anopheles minimus are the main malaria vectors in Thailand. In a cleared forested foothill area in the central part of the country A. minimus was the most prevalent anopheline species found, only 6 specimens of A. b. balabacensis being collected over a 3-year period. Cattle were...

    journal_title:Acta tropica

    pub_type: 杂志文章

    doi:

    authors: Ismail IA,Phinichpongse S,Boonrasri P

    更新日期:1978-03-01 00:00:00

  • Mapping the environmental suitability of etiological agent and tick vectors of Crimean-Congo hemorrhagic fever.

    abstract::Crimean-Congo hemorrhagic fever (CCHF) is one of the most important public health threats in many regions across Africa, Europe, and Asia. This study used ecological niche modeling analyses to map the environmental suitability of both CCHF virus (CCHFV), and its tick vectors (Amblyomma variegatum, Dermacentor marginat...

    journal_title:Acta tropica

    pub_type: 杂志文章

    doi:10.1016/j.actatropica.2019.105319

    authors: Okely M,Anan R,Gad-Allah S,Samy AM

    更新日期:2020-03-01 00:00:00

  • Knowledge, attitude, and practices (KAP) and risk factors analysis related to cystic echinococcosis among residents in Tibetan communities, Xiahe County, Gansu Province, China.

    abstract::Cystic echinococcosis (CE) is a global parasitic zoonosis caused by Echinococcus granulosus. The disease is highly endemic in western China, especially in Tibetan areas, because of poor economic development and hygiene conditions, limited community knowledge of CE, a large scale of dogs, and home slaughtering of lives...

    journal_title:Acta tropica

    pub_type: 杂志文章

    doi:10.1016/j.actatropica.2015.02.018

    authors: Li D,Gao Q,Liu J,Feng Y,Ning W,Dong Y,Tao L,Li J,Tian X,Gu J,Xin D

    更新日期:2015-07-01 00:00:00

  • Using the intrinsic growth rate of the mosquito population improves spatio-temporal dengue risk estimation.

    abstract::Understanding geographic population dynamics of mosquitoes is an essential requirement for estimating the risk of mosquito-borne disease transmission and geographically targeted interventions. However, the use of population dynamics measures, such as the intrinsic growth rate, as predictors in spatio-temporal point pr...

    journal_title:Acta tropica

    pub_type: 杂志文章

    doi:10.1016/j.actatropica.2020.105519

    authors: Sedda L,Taylor BM,Eiras AE,Marques JT,Dillon RJ

    更新日期:2020-05-08 00:00:00

  • In-vitro anti-inflammatory and mosquito larvicidal efficacy of nickel nanoparticles phytofabricated from aqueous leaf extracts of Aegle marmelos Correa.

    abstract::In recent years there is a tremendous growth in the interdisciplinary world of nanotechnology across the globe and emergence of its potential applications remains as a big revolution to the industry. Fusion of green nanotechnology and medicine represents one of the major breakthroughs of modern science with the aim of...

    journal_title:Acta tropica

    pub_type: 杂志文章

    doi:10.1016/j.actatropica.2014.03.012

    authors: Angajala G,Ramya R,Subashini R

    更新日期:2014-07-01 00:00:00

  • Anthelmintic activity of benzimidazole derivatives against Toxocara canis second-stage larvae and Hymenolepis nana adults.

    abstract::The anthelmintic activity of 11 benzimidazole derivatives (A1-A11) and 2 thioureides N,N'-disubstituted (B1-B2) was determined. Each compound and albendazole was tested in vitro against Toxocara canis larvae and in vivo against Hymenolepis nana adult. Compounds A1-A6 and B1-B2 were designed as albendazole prodrugs. Co...

    journal_title:Acta tropica

    pub_type: 杂志文章

    doi:10.1016/j.actatropica.2008.11.014

    authors: Márquez-Navarro A,Nogueda-Torres B,Hernández-Campos A,Soria-Arteche O,Castillo R,Rodríguez-Morales S,Yépez-Mulia L,Hernández-Luis F

    更新日期:2009-03-01 00:00:00

  • Viruses of parasites as actors in the parasite-host relationship: A "ménage à trois".

    abstract::The complex parasite-host relationship involves multiple mechanisms. Moreover, parasites infected by viruses modify this relationship adding more complexity to the system that now comprises three partners. Viruses infecting parasites were described several decades ago. However, until recently little was known about th...

    journal_title:Acta tropica

    pub_type: 杂志文章,评审

    doi:10.1016/j.actatropica.2016.11.028

    authors: Gómez-Arreaza A,Haenni AL,Dunia I,Avilán L

    更新日期:2017-02-01 00:00:00

  • Mosquito population dynamics during the construction of Three Gorges Dam in Yangtze River, China.

    abstract:BACKGROUND:Mosquitoes are responsible for spreading many diseases and their populations are susceptible to environmental changes. The ecosystems in the Three Gorges Region were probably altered because of changes to the environment during the construction of the Three Gorges Dam (TGD), the world's largest hydroelectric...

    journal_title:Acta tropica

    pub_type: 杂志文章

    doi:10.1016/j.actatropica.2018.03.008

    authors: Guo Y,Lai S,Zhang J,Liu Q,Zhang H,Ren Z,Mao D,Luo C,He Y,Wu H,Li G,Ren D,Liu X,Chang Z

    更新日期:2018-06-01 00:00:00

  • Monitoring of in vitro susceptibilities and molecular markers of resistance of Plasmodium falciparum isolates from Thai-Myanmar border to chloroquine, quinine, mefloquine and artesunate.

    abstract::Malaria is one of the major causes of morbidity and mortality worldwide. The major factor which has aggravated the situation is the emergence of multidrug resistant Plasmodium falciparum malaria. To successfully deal with the problem, thorough understanding of the molecular bases for reduced parasite sensitivity to ex...

    journal_title:Acta tropica

    pub_type: 杂志文章

    doi:10.1016/j.actatropica.2009.10.016

    authors: Chaijaroenkul W,Wisedpanichkij R,Na-Bangchang K

    更新日期:2010-02-01 00:00:00

  • Differentiation of Trypanosoma cruzi, T. cruzi marinkellei, T. dionisii and T. vespertilionis by monoclonal antibodies.

    abstract::Anti-T. dionisii and anti-T. vespertilionis monoclonal antibodies secreted by 17 hybridoma clones were tested against various strains of T. dionisii, T. vespertilionis, T. cruzi and T. cruzi marinkellei. Strain and species specific antigens were detected for the homologous immunizing strains. The common antigenic dete...

    journal_title:Acta tropica

    pub_type: 杂志文章

    doi:

    authors: Petry K,Baltz T,Schottelius J

    更新日期:1986-03-01 00:00:00

  • Risk of infection of Wuchereria bancrofti to humans by Culex quinquefasciatus in Pondicherry and its relationship with microfilaria prevalence.

    abstract::The risk of infection (RI) with Wuchereria bancrofti by vector mosquitoes has been conventionally estimated from the biting population of all age classes. This estimate of RI had no correlation with microfilaria (mf) prevalence and intensity of infection in humans. A new method for estimating RI from a resting populat...

    journal_title:Acta tropica

    pub_type: 杂志文章

    doi:10.1016/0001-706x(93)90081-l

    authors: Vanamail P,Ramaiah KD,Das PK

    更新日期:1993-12-01 00:00:00

  • Effect of temperature and inter-specific competition on the development and survival of Anopheles gambiae sensu stricto and An. arabiensis larvae.

    abstract::The two major African malaria vectors Anopheles gambiae sensu stricto and An. arabiensis are sibling species that occupy different climatic niches but are frequently found in the same larval habitats. Differences in survival and development of the aquatic larval stages of these species at different temperatures may he...

    journal_title:Acta tropica

    pub_type: 杂志文章

    doi:10.1016/j.actatropica.2008.09.025

    authors: Kirby MJ,Lindsay SW

    更新日期:2009-02-01 00:00:00

  • Seroprevalence and risk factors of glanders in working equines - Findings of a cross-sectional study in Punjab province of Pakistan.

    abstract::Glanders is an infectious and contagious bacterial disease of equines. A little is known about its seroprevalence and risk factors in working equines in countries where the disease is endemic. Also, there are no reports on prevalence of the disease in areas where there is a prior evidence of Burkholderia (B.) mallei d...

    journal_title:Acta tropica

    pub_type: 杂志文章

    doi:10.1016/j.actatropica.2017.07.031

    authors: Ghori MT,Khan MS,Khan JA,Rabbani M,Shabbir MZ,Chaudhry HR,Ali MA,Muhammad J,Elschner MC,Jayarao BM

    更新日期:2017-12-01 00:00:00

  • Ecology of North American Triatominae.

    abstract::In all, 40 native triatomine species and subspecies occur in NA, belonging to six genera from the Triatomini (Triatoma, Paratriatoma, Panstrongylus, Dipetalogaster, Belminus, Eratyrus), and one genus from the Rhodniini (represented by one non-native species Rhodnius prolixus, formerly occurring exclusively in domestic...

    journal_title:Acta tropica

    pub_type: 杂志文章

    doi:10.1016/j.actatropica.2008.11.012

    authors: Ibarra-Cerdeña CN,Sánchez-Cordero V,Townsend Peterson A,Ramsey JM

    更新日期:2009-05-01 00:00:00

  • Narrative review of current context of malaria and management strategies in Uganda (Part I).

    abstract::In accordance with international targets, the Uganda National Malaria Control Strategic Plan established specific targets to be achieved by 2010. For children under five, this included increasing the number of children sleeping under mosquito nets and those receiving a first-line antimalarial to 85%, and decreasing ca...

    journal_title:Acta tropica

    pub_type: 杂志文章,评审

    doi:10.1016/j.actatropica.2015.07.028

    authors: Kassam R,Collins JB,Liow E,Rasool N

    更新日期:2015-12-01 00:00:00

  • High infection frequency, low diversity of Leishmania major and first detection of Leishmania turanica in human in northern Iran.

    abstract::Smears of suspected patients infected with zoonotic cutaneous leishmaniasis (ZCL) were stained and examined under a light microscopic observation. DNA of parasites within human ulcers was extracted directly from their smears. Nested PCR was used to amplify a fragment containing the internal transcribed spacers of the ...

    journal_title:Acta tropica

    pub_type: 杂志文章

    doi:10.1016/j.actatropica.2014.01.016

    authors: Bordbar A,Parvizi P

    更新日期:2014-05-01 00:00:00

  • Molecular variation in Leishmania.

    abstract::The surface coat of the protozoan parasite Leishmania affords remarkable protection in the harsh environments encountered within the insect vectors and vertebrate hosts. It also provides specificity for the interaction of these parasites with the cells in the sandfly gut and with the human macrophage. Surprisingly few...

    journal_title:Acta tropica

    pub_type: 杂志文章,评审

    doi:10.1016/0001-706x(93)90029-b

    authors: Moody SF

    更新日期:1993-05-01 00:00:00

  • Trypanosoma cruzi: comparative studies of infectivity of parasites ingested by Triatoma infestans and those present in their feces.

    abstract::Artificial feeding of the insects with whole blood containing trypomastigotes resulted in triatome infection; the parasites were present in the host feces after 15--30 days and, when inoculated into mice, elicited parasitemia in 100% of the cases and deaths in 20--70%. This mortality indicates a reduction of the origi...

    journal_title:Acta tropica

    pub_type: 杂志文章

    doi:

    authors: Lammel EL,de Isola EL,Korn C,Gonzalez Cappa SM

    更新日期:1981-06-01 00:00:00

  • Spatial distribution and molecular characterization of Anopheles nivipes and Anopheles philippinensis (Diptera: Culicidae) in north-east India.

    abstract::Anopheles philippinensis-nivipes species of mosquitoes are considered secondary malaria vectors in the north-east India. However, difficulty in separating An. philippinensis and An. nivipes accurately on the basis of morphological identification, due to the overlapping female wing characters, has led to the paucity of...

    journal_title:Acta tropica

    pub_type: 杂志文章

    doi:10.1016/j.actatropica.2012.02.065

    authors: Sarma NP,Prakash A,Bhattacharyya DR,Kalita MC,Mohapatra PK,Singh S,Sarma DK,Mahanta J

    更新日期:2012-06-01 00:00:00

  • Surveillance and control of post-transmission schistosomiasis in Jiaxing prefecture, Zhejiang province, China.

    abstract::A surveillance system has been put in place in the Zhejiang province since achieving there the criteria for transmission interruption of schistosomiasis japonica. Suspected patients and special high-risk groups (e.g. the so called 'floating population' and children under 14 years of age) are screened for Schistosoma j...

    journal_title:Acta tropica

    pub_type: 杂志文章

    doi:10.1016/j.actatropica.2005.07.022

    authors: Wu WL,Wang JR,Wen LY,Huang YY,Xu XF,Yu WM

    更新日期:2005-11-01 00:00:00

  • Sperm quantity and size variation in un-irradiated and irradiated males of the malaria mosquito Anopheles arabiensis Patton.

    abstract::Anopheles mosquitoes are important candidates for genetic control strategies. However, little is known about sperm quality and quantity as determinants of male reproductive success. In this study, sperm quantity and length variation were assessed in testes of un-irradiated and irradiated Anopheles arabiensis. Male rep...

    journal_title:Acta tropica

    pub_type: 杂志文章

    doi:10.1016/j.actatropica.2008.10.002

    authors: Helinski ME,Knols BG

    更新日期:2009-01-01 00:00:00

  • The disposition of antiparasitic drugs in relation to the development of resistance by parasites of livestock.

    abstract::The kinetic and dynamic disposition of endo- and ectoparasiticides in livestock in relation to development of resistance is examined. Based on the modes of action of antiparasitic drugs, maximum activity necessitates that the parasite be exposed to 'toxic' concentrations for as great a duration as possible. In contras...

    journal_title:Acta tropica

    pub_type: 杂志文章,评审

    doi:10.1016/0001-706x(94)90059-0

    authors: Hennessy DR

    更新日期:1994-03-01 00:00:00

  • Electron microscopic study on the development of Babesia ovis (Piroplasmia) in the salivary glands of the vector tick Rhipicephalus bursa.

    abstract::The formation of Babesia ovis sporozoites in salivary gland cells of the vector tick Rhipicephalus bursa was studied by electron microscopy. The kinetics of B. ovis were found lying intracellularly on the second day after infestation (a.i.) of the ticks. The parasites enlarged rapidly losing all features of the motile...

    journal_title:Acta tropica

    pub_type: 杂志文章

    doi:

    authors: Moltmann UG,Mehlhorn H,Friedhoff KT

    更新日期:1982-03-01 00:00:00