G6PD Deficiency Clinical Trial
Official title:
Metabolism and Pharmacokinetics of Primaquine Enantiomers in G6PD Deficient Human Volunteers Receiving a Five Day Dose Regimen
This study is a single center, prospective, cross-over phase 1 trial. Eighteen subjects will be enrolled in the study evaluating the metabolism, pharmacokinetic behavior and tolerability of primaquine enantiomers and placebo over the course of 5 days.
Status | Recruiting |
Enrollment | 18 |
Est. completion date | September 1, 2022 |
Est. primary completion date | September 1, 2021 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years to 65 Years |
Eligibility | Inclusion Criteria: - G6PD deficient, otherwise normal healthy adults aged 18 to 65 Exclusion Criteria: - Known history of liver, kidney or hematological disease (other than G6PD deficiency) - Known history of cardiac disease, non-sinus rhythm arrhythmia or QT prolongation - Autoimmune disorders - Report of an active infection - Subject is pregnant or breast-feeding, or is expecting to conceive during the study. |
Country | Name | City | State |
---|---|---|---|
United States | University of Mississippi | University | Mississippi |
Lead Sponsor | Collaborator |
---|---|
University of Mississippi, Oxford | Southern Research Institute, University of Colorado, Denver |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Change in Methemoglobin concentration in blood from baseline | Change in Methemoglobin concentration in blood from baseline (% hemoglobin) | Days 0, 3, 5 | |
Secondary | Primaquine Plasma Concentration, ng/mL | Plasma concentrations of parent drug | Days 0, 3, 5 | |
Secondary | Carboxy-Primaquine Plasma Contration, ng/mL | Plasma concentrations of carboxy-primaquine metabolite | Days 0, 3, 5 | |
Secondary | Primaquine N-carbamoyl-glucuronide Plasma contration, ng/mL | Plasma concentrations of Primaquine N-carbamoyl-glucuronide metabolite | Days 0, 3, 5 | |
Secondary | Primaquine Orthoquinone Plasma concentration, ng/mL | Plasma concentrations of Primaquine Orthoquinone metabolite | Days 0, 3, 5 | |
Secondary | Change in Hematocrit (%) compared to baseline | Change in Hematocrit (%) compared to baseline | Days 0, 3, 5 | |
Secondary | Change in Hemoglobin (g/dL) compared to baseline | Change in Hemoglobin (g/dL) compared to baseline | Days 0, 3, 5 | |
Secondary | Change is AST (U/L) compared to baseline | Change is AST (U/L) compared to baseline; used to monitor liver function | Days 0, 3, 5 | |
Secondary | Change in ALT (U/L) compared to baseline | Change in ALT (U/L) compared to baseline; used to monitor liver function | Days 0, 3, 5 | |
Secondary | Change in total Bilirubin (mg/dL) compared to baseline | Change in total Bilirubin (mg/dL) compared to baseline; used to monitor liver function and red cell integrity | Days 0, 3, 5 |
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