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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04080895
Other study ID # MAL19003
Secondary ID
Status Recruiting
Phase Phase 1
First received
Last updated
Start date November 1, 2022
Est. completion date August 31, 2026

Study information

Verified date February 2024
Source University of Oxford
Contact Borimas Hanboonkunupakarn, MD
Phone 662-354-9168
Email Borimas@tropmedres.ac
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This is an open-label pharmacokinetic study in 16 healthy Thai subjects. To assess the safety and tolerability and pharmacological interactions of the combination of artemether-lumefantrine and amodiaquine. This study is funded by Prof White's WT PRF. The Welcome Trust grant reference number is B9R04920.


Description:

This study will enroll 16 healthy subjects both male and female, aged 18-60 years, at the Clinical Therapeutic Unit, Faculty of Tropical Medicine, Mahidol University. Subjects will be healthy HIV-1, hepatitis B and C uninfected individuals who comprehend the purpose of the study and have provided written consent. All subjects will undergo screening assessments (visit 1). Screening assessments (visit 1) may be carried out over more than one day, provided that all required assessments are completed within the 14 days prior to visit 2. If the interval between screening (visit 1) and day -1 visit 2 is three days or less, the clinical laboratory screening test result and serum pregnancy test result can be used for enrolment evaluation on day -1 visit 2. In such cases, these tests would not need to be repeated at day-1 visit 2. Visit 1 (Screening visit): All laboratory assessments (chemistry, hematology, FBS and urinalysis) must be drawn in the fasting state (8 hours fast) including serum pregnancy testing (if appropriate) Visit 2-4: 16 healthy subjects who fulfill the eligibility criteria will be recruited and randomized to the study. All laboratory assessments (chemistry, hematology, FBS and urinalysis) must be drawn in the fasting state (8 hours fast). Results of these tests are to be available and reviewed prior to each subject receiving the study drug on day 0.


Recruitment information / eligibility

Status Recruiting
Enrollment 16
Est. completion date August 31, 2026
Est. primary completion date August 31, 2026
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 60 Years
Eligibility Inclusion Criteria: 1. Healthy as judged by a responsible physician with no abnormality identified on a medical evaluation including medical history and physical examination. 2. Male or female non-smoker aged between 18 years to 60 years. 3. A female is eligible to enter and participate in this study if she is: - of non-childbearing potential including pre-menopausal females with documented (medical report verification) hysterectomy or double oophorectomy - or postmenopausal defined as 12 months of spontaneous amenorrhea or 6 months of spontaneous amenorrhea with serum follicle stimulating hormone levels >40 mIU/mL or 6 weeks postsurgical bilateral oophorectomy with or without hysterectomy - or of childbearing potential, has a negative serum pregnancy test at screening and prior to start the study drug in each period, and agrees to abstain from sexual intercourse or use effective contraceptive methods (e.g., intrauterine device, hormonal contraceptive drug, tubal ligation or female barrier method with spermicide) during the study until completion of the follow-up procedures 4. A male is eligible to enter and participate in this study if he: agrees to abstain from sexual intercourse with females of childbearing potential or lactating females; or is willing to use a condom/spermicide, during the study until completion of the follow-up procedures. 5. Normal electrocardiogram (ECG) with QTc <450 msec. 6. Willingness and ability to comply with the study protocol for the duration of the trial. Exclusion Criteria: 1. Females who are pregnant, trying to get pregnant, or are lactating. 2. The subject has evidence of active substance abuse that may compromise safety, pharmacokinetics, or ability to adhere with protocol instructions. 3. A positive pre-study hepatitis B surface antigen, positive hepatitis C antibody, or positive human immunodeficiency virus-1 (HIV-1) antibody result at screening. 4. Subjects with a personal history of cardiac disease, symptomatic or asymptomatic arrhythmias, syncopal episodes, or additional risk factors for torsades de pointes (heart failure, hypokalemia) or with a family history of long QT syndrome, Brugada syndrome, or sudden cardiac death. 5. Abnormal serum creatinine (Scr) and estimated glomerular filtration rate (eGFR) <70 mL/min as determined by CKD-EPI equation 6. History of alcohol or substance abuse or dependence within 6 months of the study. 7. Use of prescription or non-prescription drugs except paracetamol at doses of up to 2 grams/day, including vitamins, herbal and dietary supplements (including St. John's Wort) within 7 days (or 14 days if the drug is a potential enzyme inducer) or 5 times the drug half-life (whichever is longer) prior to the first dose of study medication until the completion of the follow-up procedure, unless in the opinion of investigator, the medication will not interfere with the study procedures or compromise subject safety; the investigator will take advice from the manufacturer representative as necessary. 8. The subject has participated in a clinical trial and has received a drug or a new chemical entity within 30 days or 5 x half-life, or twice the duration of the biological effect of any drug (whichever is longer) prior to the first dose of study medication. 9. The subject is unwilling to abstain from ingesting alcohol within 48 hours prior to the first dose of study medication until collection of the final pharmacokinetic sample during each regimen. 10. Subjects who have donated blood to the extent that participation in the study would result in more than 300 mL blood donated within a 30-day period. Note: This does not include plasma donation. 11. Subjects who have a history of allergy to the study drug or drugs of this class, or a history of drug or other allergy that, in the opinion of the investigator, contraindicates participation in the trial. In addition, if heparin is used during pharmacokinetic sampling, subjects with a history of sensitivity to heparin or heparin-induced thrombocytopenia should not be enrolled. 12. Lack of suitability for participation in this study, including but not limited to, unstable medical conditions, systemic disease manifested by tendency to granulocytopenia e.g. rheumatoid arthritis and lupus erythematosus that in the opinion of the investigator would compromise their participation in the trial. 13. AST or ALT >1.5 times the upper limit of normal (ULN) 14. Subjects with history of renal disease, hepatic disease, and/or cholecystectomy 15. Abnormal methemoglobin level (more than 3 mg/dL). 16. History of antimalarial drugs use including but not limited to mefloquine, chloroquine, primaquine, artesunate, piperaquine and pyronaridine treatment within 6 months. 17. Subject who have received quinacrine in last 30 days.

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Artemether-lumefantrine
Artemether-lumefantrine on Day 0, 1 and 2 Washout period: more than 6 weeks
Amodiaquine
Amodiaquine on Day 0, 1 and 2 Washout period: more than 6 weeks
Artemether-lumefantrine
Artemether-lumefantrine on Day 0, 1 and 2 Washout period: more than 6 weeks
Artemether-lumefantrine + Amodiaquine
Artemether-lumefantrine + Amodiaquine on Day 0, 1 and 2

Locations

Country Name City State
Thailand Faculty of Tropical Medicine, Mahidol University Bangkok

Sponsors (3)

Lead Sponsor Collaborator
University of Oxford Mahidol Oxford Tropical Medicine Research Unit, Mahidol University

Country where clinical trial is conducted

Thailand, 

Outcome

Type Measure Description Time frame Safety issue
Primary Area under the concentration-time curve (AUC0-8) of artemether, lumefantrine and amodiaquine and their metabolites when given alone and in combination. approximately 6 - 12 months
Primary Area under the concentration-time curve AUC (0-last) of artemether, lumefantrine and amodiaquine and their metabolites when given alone and in combination. approximately 6 - 12 months
Primary maximum concentration (Cmax) of artemether, lumefantrine and amodiaquine and their metabolites when given alone and in combination. approximately 6 - 12 months
Secondary Elimination clearance (CL/F) of artemether, lumefantrine and amodiaquine and their metabolites when given alone and in combination. approximately 6 - 12 months
Secondary terminal elimination half-life (t1/2) of artemether, lumefantrine and amodiaquine and their metabolites when given alone and in combination. approximately 6 - 12 months
Secondary apparent volume of distribution (Vd) of artemether, lumefantrine and amodiaquine and their metabolites when given alone and in combination. approximately 6 - 12 months
Secondary Number of adverse events Adverse events will be assessed as one of safety and tolerability parameters. approximately 6 - 12 months
Secondary Number of event concerning of abnormal electrocardiograph Electrocardiographic changes especially QTc interval prolongation will be assessed as one of safety and tolerability parameters. approximately 6 - 12 months
Secondary Number of event concerning of abnormal vital signs Abnormal vital signs will be assessed as one of safety and tolerability parameters. approximately 6 - 12 months
Secondary Number of event concerning of abnormal laboratory values Abnormal laboratory values will be assessed as one of safety and tolerability parameters. approximately 6 - 12 months
Secondary Pharmacogenetic polymorphisms identification Genotyping will be performed to identify polymorphisms of cytochrome 450 and other enzymes related to drug metabolism from subject who is an unusual metabolizer. approximately 6 - 12 months
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