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Malaria, Falciparum clinical trials

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NCT ID: NCT03435874 Not yet 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: February 19, 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 Not yet recruiting - Malaria, Falciparum Clinical Trials

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

Start date: December 1, 2017
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.

NCT ID: NCT03334747 Recruiting - Malaria Clinical Trials

Safety of KAE609 in Adults With Uncomplicated Plasmodium Falciparum Malaria.

Start date: November 16, 2017
Phase: Phase 2
Study type: Interventional

KAE609 will be evaluated primarily for hepatic safety of single and multiple doses in sequential cohorts with increasing doses. This study aims to determine the maximum safe dose of the investigational drug KAE609 in malaria patients.

NCT ID: NCT03241901 Recruiting - Malaria,Falciparum Clinical Trials

"Prolonging the Therapeutic Life Span of Artemisinin-based Combination Therapies (ACT) in Bagamoyo District, Tanzania"

Start date: July 27, 2017
Phase: Phase 4
Study type: Interventional

This clinical trial evaluates the advantage of prolonging the therapeutic life span of Artemether-lumefantrine from 3 days to 6 days, and addition of single low dose of Primaquine 0.25mg/kg. The study will have two arms, one that will receive standard treatment of uncomplicated malaria with Artemether-lumefantrine, and the other arm will receive the prolonged dose of 6 days together with single low dose primaquine. This approach is expected to provide strategies for malaria control in an era of imminent Plasmodium falciparum resistance.

NCT ID: NCT03201770 Recruiting - Malaria,Falciparum Clinical Trials

Cohort Event Monitoring Study of Pyramax®

Start date: June 22, 2017
Phase: Phase 4
Study type: Interventional

The study is to be performed in public health facilities in Central and West Africa where Pyramax will be used as treatment of uncomplicated malaria episodes, including repeat episodes. The study is to assess the safety of Pyramax, particularly in patients with underlying liver function abnormalities, in patients who have co-morbid conditions, such as HIV, and also in very small children (<1 year of age).

NCT ID: NCT03195387 Withdrawn - Malaria,Falciparum Clinical Trials

Chemoprotective Activity of MMV390048 in PfSPZ Challenge Model

Start date: January 2018
Phase: Phase 1
Study type: Interventional

This study follows a First-In-Human dose-escalation study of MMV390048 (5 to 120 mg MMV390048 powder-in-bottle formulation), a formulation bioavailability study to establish suitable tablet formulation, and a two-part dose-escalation (40 to 120 mg of MMV390048) / induced blood stage malaria (ISBM) challenge study with the new tablet formulation. After identification of the predicted efficacious MMV390048 plasma concentrations in the IBSM model, the current study will evaluate the chemoprotective efficacy of MMV390048 in a standardised and validated controlled human malaria infection (CHMI) model using direct venous inoculation (DVI) of aseptic, purified, cryopreserved, vialed P. falciparum sporozoites (PfSPZ Challenge). Three sequential cohorts of healthy men and women of non-childbearing potential (WONCBP) will be administered the investigational medicinal product (IMP, i.e. MMV390048) under different conditions. This may identify preventative regimens, to be further investigated in a Phase II program. In the first two cohorts, protective administration of the IMP will occur 1 and 7 days before DVI of PfSPZ challenge. The timing of IMP administration and dosage in the last cohort will be determined on the basis of emerging data from the preceding cohorts, but will not exceed 28 days prior to the challenge nor 120 mg MMV390048.

NCT ID: NCT03178643 Recruiting - Malaria,Falciparum Clinical Trials

Enhancing Preventive Therapy of Malaria In Children With Sickle Cell Anemia in East Africa (EPiTOMISE)

Start date: January 23, 2018
Phase: Phase 4
Study type: Interventional

This is a randomized, three-arm, open-label, clinical trial of malaria chemoprevention in children with sickle-cell anemia (SCA) at a single site in Homa Bay, Kenya. The study will enroll 246 children under 10 years of age, randomize participants 1:1:1 to one of three malaria chemoprevention regimens, and follow participants monthly for 12 months in order to record clinical episodes of malaria or SCA-related morbidity. Analyses will compare the efficacy of each regimen to prevent malaria and SCA morbidity.