Evaluation of the STANDARD G6PD Rapid Test for Assaying the Enzymatic Activity of G6PD in French … (NCT04698980) | Clinical Trial Compass
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Evaluation of the STANDARD G6PD Rapid Test for Assaying the Enzymatic Activity of G6PD in French Guiana
French Guiana150 participantsStarted 2021-05-05
Plain-language summary
In French Guiana, malaria is endemic and two species predominate: P. falciparum and P. vivax. The treatments against Plasmodium vivax malaria are: nivaquine for 3 days against circulating blood parasites and primaquine for 14 days against parasites dormant in the liver. Primaquine can cause iatrogenic hemolytic anemias in patients with favism, i.e. G6PD deficiency. This anemia can be severe enough to cause the death of the deficient patient. Thus, the WHO and HCSP recommendations indicate that a quantitative assay of the activity of this enzyme should be carried out before its prescription. This deficiency is a recessive inherited disease linked to the X chromosome characterized by more or less low levels of enzymatic activity which depends on the genotype of the patients but not only because the phenotype depends on the level of activation of the X chromosome for each cell.
Currently, obtaining a G6PD assay in French Guiana is a long process since it is done in mainland France and the pre-analytical conditions are quite demanding. Thus, in areas of transmission of P. vivax, patients usually have a bout of revival before being prescribed primaquine. This period includes: dosing G6PD at a distance from access, obtaining the result and then the nominal ATU to finally obtain and deliver the primaquine.
Who can participate
Age range
2 Years
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Inclusion Criteria:
* People with a known level of G6PD activity.
* People or their legal representatives who have received information on the research and have signed a written consent to participate in the study
* People aged over 18 for the "intermediate" and "normal" categories,
* People aged two years and over for the "severe deficit" category.
Exclusion Criteria:
* People with an unknown level of G6PD activity,
* People or their legal representatives who refused to participate in the study,
* People aged under 18 for the intermediate and normal categories,
* Children under 2 years old for the "severe deficit" category,
* People with a hemoglobin level below 11g / dL for men and 10g / dL for women and children.
* People who received a transfusion less than 4 months before the proposal to participate in the G6PD study
Questions worth asking your doctor
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
Questions for the trial coordinator
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
What they're measuring
1
Sensitivity and specificity of the STANDARD G6PD test