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NCT ID: NCT03779347 Not yet recruiting - Pregnancy Clinical Trials

Schistosomiasis Diagnosis Using a CAA Antigen Test

FreebiLyGAB
Start date: March 1, 2019
Phase: Phase 3
Study type: Interventional

Schistosomiasis is one of most important human parasitic diseases worldwide. Pregnant women and their infants are two vulnerable population groups, particularly in sub-Saharan Africa, where - amongst other infectious agents - they are heavily exposed to infections with S. haematobium. Adoption of the recommendation and implementation by national disease control programs was however delayed in most African countries, due to the lack of safety data in humans and in the unborn babies. First results from randomized controlled trials with PZQ in pregnant women meanwhile have provided evidence for the safety of PZQ also in newborns. In Gabon, S. haematobium is the primarily prevalent Schistosoma species infection. As it is true for most of observational and interventional studies on schistosomiasis, the power of the study is weakened due to the low sensitivity of reference schistosomiasis diagnosis applied, and one might correctly assume that a considerable proportion of samples were misclassified as negative in the control groups. Therefore, diagnostic tests that are highly sensitive and specific are essential to the detection of Schistosoma infections and are urgently needed for a test-and-treat strategy to control schistosomiasis in pregnancy as well as tools to determine efficacy of new interventions tested in clinical trials. Circulating anodic antigen (CAA) and circulating cathodic antigen (CCA) have levels correlating with the number of worms and have also been shown to clear within a few days or weeks after successful treatment. Assays measuring serum levels of these antigens (POC‐CCA, UCP‐LF CAA) are therefore deemed to assess drug efficacy. Based on above mentioned tools, we decided to assess the accuracy of CAA measurement to determine the Schistosoma infection in two specific conditions: A) as a diagnostic tool for S. haematobium to prepare for the future implementation of a PZQ test-and-treat strategy and B) as a diagnostic tool to measure efficacy of praziquantel in schistosomiasis and pregnancy intervention trials.

NCT ID: NCT03671109 Not yet recruiting - Malaria Clinical Trials

Improving Maternal heAlth by Reducing Malaria in African HIV Women

MAMAH
Start date: February 2019
Phase: Phase 3
Study type: Interventional

Trial to evaluate the safety and efficacy of DHA-PPQ for Intermittent Preventive Treatment (IPTp) in HIV-infected pregnant women receiving cotrimoxazole prophylacis (CTXp) and antieretoviral (ARV) drugs and using long lasting insecticide treated nets will be conducted in Mozambique and Gabon where malaria and HIV infection are moderate to highly prevalent. In addition, the possibility for a PK interaction between DHA-PPQ and ARV drugs will be assessed in a sub-sample of participants. Women will receive ARV therapy according to national guidelines and their infants will be followed until one year of age to evaluate the impact of DHA-PPQ on MTCT-HIV.

NCT ID: NCT03660839 Recruiting - Clinical trials for Plasmodium Falciparum Infection

Study to Investigate the Clinical and Parasiticidal Activity and Pharmacokinetics of Different Doses of Artefenomel and Ferroquine in Patients With Uncomplicated Plasmodium Falciparum Malaria

Start date: September 5, 2018
Phase: Phase 2
Study type: Interventional

Primary Objective: To show the contribution of OZ439 to the clinical and parasiticidal effect of OZ439/FQ combination by analyzing exposure-response of OZ439 measured by Day 28 polymerase chain reaction (PCR)-corrected adequate clinical and parasitological response (ACPR) for the effect and the AUC of OZ439 as PK predictor. Secondary Objective(s): - To evaluate the dose response of OZ439 combined with FQ on PCR-corrected ACPR and crude Day 28 ACPR, and on other secondary endpoints. - To evaluate the safety and tolerability of different dosages of OZ439 in combination with FQ and FQ alone. - To characterize the PK of OZ439 in plasma, and of FQ and its active metabolite SSR97213 in blood.

NCT ID: NCT03521973 Recruiting - Malaria Clinical Trials

Safety, Tolerability and Protective Efficacy of PfSPZ Vaccine in Gabonese Children

Start date: June 14, 2018
Phase: Phase 2
Study type: Interventional

This study is a single site, randomized, double-blind, placebo-controlled trial. The trial will assess the safety, tolerability, immunogenicity and vaccine efficacy (VE) of PfSPZ Vaccine in Gabonese children that are naturally exposed to malaria parasites. Healthy children aged 1- 12 years living in the surrounding areas of Lambaréné and/or Fougamou Province in Gabon will be eligible for participation.

NCT ID: NCT03373214 Recruiting - Hookworm Infection Clinical Trials

Na-GST-1/Alhydrogel With or Without CpG 10104 in Gabonese Adults

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

Na-GST-1 is a protein expressed during the adult stage of the Necator americanus hookworm life cycle that is thought to play a role in the parasite's degradation of host hemoglobin for use as an energy source. Vaccination with recombinant Na-GST-1 has protected dogs and hamsters from infection in challenge studies. This study will evaluate the safety and immunogenicity of administering Na-GST-1 with or without the CpG 10104 immunostimulant to healthy Gabonese adults living in an area of endemic hookworm infection.

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: NCT03231449 Active, not recruiting - Stroke Clinical Trials

A Survey of Hospitalizations in Cardiology Units in Sub-Saharan Africa

FEVRIER
Start date: February 1, 2017
Phase:
Study type: Observational

FEVRIER study is an observatory of hospitalizations in cardiology units in sub-Saharan Africa.

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: NCT03167242 Recruiting - Clinical trials for Acute Uncomplicated Plasmodium Falciparum Malaria

Efficacy and Safety of KAF156 in Combination With LUM-SDF in Adults and Children With Uncomplicated Plasmodium Falciparum Malaria

Start date: August 2, 2017
Phase: Phase 2
Study type: Interventional

This study aims to determine the most effective and tolerable dose at the shortest dosing regimen of the investigational drug KAF156 in combination with a solid dispersion formulation of lumefantrine (LUM-SDF) in adult/adolescent and pediatric patients with uncomplicated P. falciparum malaria. There is unmet medical need for anti-malarial treatment with new mechanism of action to reduce probability of developing resistance, and for duration shorter than 3 days of treatment and/or reduced pill burden.

NCT ID: NCT03114137 Recruiting - Sickle Cell Disease Clinical Trials

Heart Arteries and Sickle Cell Disease / Coeur Artères DREpanocytose

CADRE
Start date: March 2012
Phase:
Study type: Observational [Patient Registry]

The CADRE study is a multinational observational cohort of patients with sickle-cell disease (SCD) in five west and central sub-Saharan African countries. The aim of this project is to describe the incidence and assess the predictive factors of SCD-related micro- and macro-vascular complications in sub-Saharan Africa.