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Malaria, Falciparum clinical trials

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NCT ID: NCT03580824 Not yet recruiting - Malaria,Falciparum Clinical Trials

A Study to Determine if a New Malaria Vaccine is Safe and Induces Immunity Among Kenyan Adults, Young Children and Infants

Start date: November 2018
Phase: Phase 1/Phase 2
Study type: Interventional

This is a clinical trial to evaluate the safety and immunogenicity of R21/MM in healthy Kenyan participants from the different age groups.Participants will receive 3 vaccinations 4 weeks apart.

NCT ID: NCT03511443 Recruiting - Malaria,Falciparum Clinical Trials

Evaluation of the Performance of a hsRDT Versus cRDT in Reactive Case Detection of Malaria Infections

Start date: October 2, 2017
Phase: N/A
Study type: Interventional

A systematic review assessing the role, appropriateness and benefits of the active case detection strategy, both proactive and reactive, in low malaria transmission settings. A common indication is that more studies should be carried out to optimize the ACD strategy to the local context, or to provide evidence for the adoption of improved methods. One possible improved method is the use of more accurate diagnostic tools, such as the hsRDT proposed in this study, with an increased capacity to detect lower levels of parasitemia. It can provide a timely and relevant contribution for their development of national Standard Operating Procedures for a screening tool in the reactive case detection strategy.

NCT ID: NCT03462615 Not yet recruiting - Clinical trials for Plasmodium Falciparum Malaria

Clinical Performance of the Histidine Rich Protein 2 (HRP2) Highly Sensitive Rapid Diagnostic Test (HS-RDT) for Malaria Diagnosis in Pregnant Women in Papua New Guinea

Start date: April 2018
Phase: N/A
Study type: Observational

Malaria during pregnancy remains an important public health issue in endemic countries. Most cases of malaria in pregnant women are asymptomatic, and can contribute to adverse outcomes, such as maternal and neonatal anaemia as well as low birth weight. Infections that do not cause symptoms (sub-clinical infections) - particularly in low transmission settings -remain difficult to diagnose during pregnancy but can contribute to adverse outcomes e.g. growth restriction, premature birth, miscarriage and stillbirth. The Bill & Melinda Gates Foundation (BMGF) has supported the development of an HRP2-based high sensitivity rapid diagnostic tests (HS-RDT) that has analytical sensitivity ten times better than current RDTs and a sensitivity near 80% when compared to the 'gold standard' of quantitative polymerase chain reaction (qPCR). In this regard, the new HS-RDT may be a promising diagnostic and screening test for subclinical malaria during pregnancy. The overall aim is to compare the performance of novel high sensitivity rapid detection tests with conventional rapid diagnostic tests for Plasmodium falciparum malaria infection in pregnant women in Papua New Guinea

NCT ID: NCT03454048 Recruiting - Malaria,Falciparum Clinical Trials

Controlled Human Malaria Infection Model for Evaluation of Transmission-blocking Interventions - Study 2

Start date: May 7, 2018
Phase: N/A
Study type: Interventional

This is a single-center, open label study. The primary aim of this project is to develop a controlled human malaria infection transmission model ("CHMI-trans") or "challenge model" to evaluate the capacity of vaccines, biologics (monoclonal antibodies, or mAbs), and drugs to block malaria parasite transmission by assessing infectiousness of Plasmodium falciparum (Pf) gametocyte carriers for Anopheles mosquitoes.

NCT ID: NCT03453840 Recruiting - Clinical trials for Uncomplicated Plasmodium Falciparum Malaria

Extended Duration Artemether-lumefantrine Treatment for Malaria in Children

Start date: February 19, 2018
Phase: Phase 4
Study type: Interventional

This project will determine the pharmacokinetic/pharmacodynamic (PK/PD) of an extended artemether-lumefantrine (AL) dosing regimen in HIV-infected children on efavirenz (EFV)-based antiretroviral therapy (ART) that is designed to improve the PK exposure and treatment efficacy of this artemisinins-based combination therapy (ACT) regimen. Our overarching goal is to inform the best treatment guidelines for young children in Africa. HIV-infected and HIV-uninfected children will be enrolled for intensive PK studies, as well as additional children for population PK studies to enhance association analyses with clinical outcomes.

NCT ID: NCT03435874 Recruiting - Malaria,Falciparum Clinical Trials

Safety and Immunogenicity of ChAd63 RH5 and MVA RH5 in Adults, Young Children and Infants Living in Tanzania

Start date: April 12, 2018
Phase: Phase 1
Study type: Interventional

This is a dose-escalation, age de-escalation randomised double-blind controlled Phase Ib trial to assess the safety, tolerability and immunogenicity of ChAd63-RH5 administered with MVA-RH5 in a heterologous prime-boost regimen. Adults (18-35 years), young children (1-6 years) and infants (6-11 months) will be enrolled in the study. Safety data will be collected for each of the vaccination regimens. The humoral and cellular immune responses generated by each of these regimens will be assessed.

NCT ID: NCT03431714 Completed - Clinical trials for Uncomplicated Falciparum Malaria

Efficacy and Safety of ASAQ and PD for the Treatment of Uncomplicated Falciparum Malaria in Mainland Tanzania

Start date: July 14, 2017
Phase: Phase 4
Study type: Interventional

The World Health Organization recommends regular surveillance of antimalarial efficacy to monitor the performance of different drugs. The Tanzanian National Malaria Control Programme (NMCP) in collaboration with its partners have been implementing therapeutic efficacy studies (TES) to monitor the performance of different antimalarials in the country. Most of the studies conducted in recent years focused on artemether-lumefantrine which is the first line antimalarial for the treatment of uncomplicated malaria in Mainland Tanzania. However, data on the performance of other artemisinin based combination therapy (ACTs) is urgently needed to support timely review and changes of treatment guidelines in case of drug resistance to current regimen. This study was undertaken in the same NMCP framework to assess the efficacy and safety of alternative ACTs used or with potential use in Tanzania. The study assessed the efficacy and safety of artesunate-amodiaquine (ASAQ) and dihydroartemisinin-piperaquine (DP) for the treatment of uncomplicated malaria in Tanzania. The study was undertaken at two NMCP sentinel sites of Kibaha and Ujiji from July to December 2017.

NCT ID: NCT03420053 Recruiting - Malaria Clinical Trials

Study to Evaluate Safety, Immunogenicity and Efficacy of PfSPZ Vaccine in HIV Negative and HIV Positive Tanzanian Adults

Start date: February 7, 2018
Phase: Phase 1
Study type: Interventional

This is a randomized, double-blind, placebo-controlled trial to evaluate safety and tolerability of PfSPZ Vaccine administered as five doses of 9.0x10^5 PfSPZ or normal saline at 0, +2, +4, +6 and +28 days to healthy HIV negative adult volunteers and healthy HIV positive volunteers in Tanzania.

NCT ID: NCT03394976 Not yet recruiting - Clinical trials for Human African Trypanosomiasis

Prospective Evaluation of an RDT to Screen for Gambiense HAT and Diagnose P. Falciparum Malaria

Start date: February 5, 2018
Phase: N/A
Study type: Observational

A prototype rapid diagnostic test (RDT) to simultaneously screen for gambiense human African trypanosomiasis (HAT) and diagnose P. falciparum malaria (the "HAT/malaria combo") has recently been developed. The performance of this prototype has been evaluated in a retrospective study that showed that its diagnostic performance for HAT and malaria was equivalent to the performance of the SD BIOLINE HAT 2.0 and the SD BIOLINE Malaria Ag P.f tests, respectively. The purpose of this study is to prospectively evaluate the performance of the test in settings where P. falciparum malaria is endemic, and which are either endemic or non-endemic for HAT. This will enable the assessment of the suitability of the HAT/malaria combo RDT as a diagnostic test for malaria, and a screening test for HAT in pre-elimination and post-elimination contexts, respectively.

NCT ID: NCT03355664 Recruiting - Malaria, Falciparum Clinical Trials

Study to Compare the Triple ACT AL+AQ With the ACT AL in Cambodia and Vietnam

Start date: March 19, 2018
Phase: Phase 3
Study type: Interventional

This study is a multi-centre, open-label randomised trial to assess the efficacy, safety and tolerability of the Triple ACT artemether-lumefantrine+amodiaquine (AL+AQ) compared to the ACT artemether-lumefantrine (AL) in uncomplicated falciparum malaria in Cambodia and Vietnam. The estimated total sample size is 600 patients from 2 sites in Cambodia and 2 sites in Vietnam. There are 2 treatment arms Arm 1: Artemether-lumefantrine for 3 days Arm 2: Artemether-lumefantrine for 3 days plus Amodiaquine for 3 days. According to the World Health Organization guideline, all patients except children under 10 kilograms will also be treated with a single dose of primaquine as a gametocytocidal treatment.