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Antimalarials clinical trials

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NCT ID: NCT05979207 Completed - Inflammation Clinical Trials

Phase 1b MMV367 PK/PD and Safety in Healthy Adult Volunteers Experimentally Infected With Blood Stage P. Falciparum

Start date: August 1, 2023
Phase: Phase 1
Study type: Interventional

This is an open-label, adaptive study using the P. falciparum induced blood stage malaria (IBSM) model to characterise the pharmacokinetic/pharmacodynamic (PK/PD) profile and safety of MMV367 (the IMP). Up to 18 participants will be enrolled in cohorts of up to 6 participants each. The study will proceed as follows for all participants: - Screening period of up to 28 days to recruit healthy adult participants. - Day 0: Intravenous inoculation with approximately 2,800 viable P. falciparum-infected red blood cells. - Days 1-3: Daily follow up via phone call or text message. - Days 4-7: Daily site visits for clinical evaluation and blood sampling to monitor malaria parasite numbers via quantitative polymerase chain reaction (qPCR). - Day 7 PM: Start of confinement within the clinical trial unit. - Day 8: Administration of a single oral dose of the IMP (MMV367). Different doses of MMV367 will be administered across and within cohorts in order to effectively characterise the PK/PD relationship. - Days 8-11: Regular clinical evaluation and blood sampling while confined to monitor malaria parasite numbers and measure MMV367 plasma concentration. - Day 11 AM: End of confinement within clinical trial unit. - Days 12-23: Outpatient follow-up for clinical evaluation and blood sampling. - Day 24: Initiation of compulsory definitive antimalarial treatment with Riamet® (artemether/lumefantrine) and/or other registered antimalarials if required. Treatment will be initiated earlier than Day 24 in the event of: - Insufficient parasite clearance following IMP dosing - Parasite regrowth following IMP dosing Characterising the pharmacokinetic/pharmacodynamic relationship of MMV367 - Participant discontinuation/withdrawal, - Investigator's discretion in the interest of participant safety. - Day 27: End of study visit for final clinical evaluation and to ensure complete clearance of malaria parasites.

NCT ID: NCT00440752 Completed - Falciparum Malaria Clinical Trials

The Impact of Artemether-Lumefantrine on Genes Associated With Antimalarial Resistance

Start date: October 2006
Phase: N/A
Study type: Observational

The newly introduced antimalarial drug artemether-lumefantrine is currently recommended as second line antimalarial in Sudan. Recurrent infection after treatment with this drug has been associated with selection of certain genes in the malaria parasite. However there is no information on this association in Sudan.This study is going to look into the genetics of resistance to artemether-lumefantrine.

NCT ID: NCT00378625 Completed - Malaria Clinical Trials

Efficacy, Effect on Gametocytes and Tolerability of the Addition of Artesunate to Amodiaquine in Colombia

Start date: April 2000
Phase: Phase 3
Study type: Interventional

The primary goal of this study is to quantify the benefit of adding artesunate to amodiaquine in treating patients with uncomplicated P. falciparum malaria, in a low transmission area in Colombia. The benefit will be assessed in terms of: - Efficacy - Tolerability - Time of fever clearance - Time of parasite clearance - Proportion of gametocyte carriers