Metabolism and Pharmacokinetics of Primaquine Enantiomers in Human Volunteers, Study 1
Development of Safer Drugs for Malaria in U.S. Troops, Civilian Personnel, and Travelers: Clinical Evaluation of Primaquine Enantiomer
1 other identifier
interventional
36
1 country
1
Brief Summary
To investigate the comparative tolerability, metabolism and pharmacokinetics of individual enantiomers of PQ in healthy human volunteers. The specific aim is the comparative evaluation of the metabolism, pharmacokinetic behavior, and tolerability of the isomers of PQ (RPQ and SPQ and the racemic mixture RSPQ) in normal healthy human volunteers.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_1
Started May 2017
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
July 21, 2016
CompletedFirst Posted
Study publicly available on registry
September 13, 2016
CompletedStudy Start
First participant enrolled
May 1, 2017
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 1, 2018
CompletedStudy Completion
Last participant's last visit for all outcomes
March 1, 2018
CompletedMay 15, 2018
May 1, 2018
10 months
July 21, 2016
May 14, 2018
Conditions
Outcome Measures
Primary Outcomes (1)
Primary outcome: Plasma concentration of parent primaquine and carboyprimaquine following a single dose treatment with primaquine (racemate or enantiomers) not to exceed 45 mg
This study would provide information on differential pharmacokinetics and metabolism of enantiomers of primaquine in normal human volunteers
between 0-24 Hours
Secondary Outcomes (7)
Area Under Curve (AUC) for primaquine up to 24 hours after the primaquine administration
between 0-24 hours
Maximum concentration (Cmax) for primaquine up to 24 hours after the primaquine administration
between 0-24 hours
Area Under Curve (AUC) for carboxyprimaquine, the major plasma metabolite of primaquine, up to 24 hours after primaquine administration
between 0-24 hours
Maximum concentration of carboxyprimaquine, the major plasma metabolite of primaquine, up to 24 hours after primaquine administration
between 0-24 hours
Maximum concentration of selected metabolites primaquine (other than carboxyprimaquine) up to 24 hours after primaquine administration
between 0-24 hours
- +2 more secondary outcomes
Study Arms (2)
Cohort 1 ( Primaquine Low Dose)
EXPERIMENTALInterventions: Primaquine, R-Primaquine, S-Primaquine, SR Primaquine A single center, prospective, cross-over, randomized phase 1 trial. Thirty-six participants, enrolled into a two cohort pharmacokinetic study evaluating two dose levels of primaquine isomers. Cohort 1 (Low Dose Level)- single dose of 15 mg of S-Primaquine and 15 mg of R-Primaquine compared to 30 mg RS-Primaquine over 24 hours. Participants will cross-over after a one week wash-out period.
Cohort 2 (Primaquine High Dose)
EXPERIMENTALInterventions: Primaquine, R-Primaquine, S-Primaquine, SR Primaquine A single center, prospective, cross-over, randomized phase 1 trial. Thirty-six participants, enrolled into a two cohort pharmacokinetic study evaluating two dose levels of primaquine isomers. Cohort 2 (High Dose Level)-single dose of 22.5 mg of S-Primaquine and 22.5 mg of R-Primaquine compared to 45 mg RS-Primaquine over 24 hours. Participants will cross-over among the treatment arms following a one week wash-out period between each.
Interventions
Cohort 1: Eighteen individuals (6 per group) Cohort 2: Eighteen individuals (6 per group) Group 1-15 mg of S-Primaquine followed by one-week washout, 15 mg of R-Primaquine followed by one week washout, and 30 mg of RS-Primaquine. Group 2- 15 mg of R-Primaquine followed by one-week washout, 30 mg of RSPQ followed by one week washout, and 15 mg of SPQ. Group 3- 30 mg of RS-Primaquine followed by one week washout,15 mg of SPQ followed by a one week washout, and 15 mg of RPQ.
Eligibility Criteria
You may qualify if:
- Adults (18-60 years of age)
- Informed consent
- Healthy
You may not qualify if:
- Known history of liver, kidney or hematological disease;
- known history of cardiac disease, arrhythmia, QT prolongation;
- Autoimmune disorder;
- Report of an active infection;
- Evidence of G6PD deficiency
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
University of Mississippi
Oxford, Mississippi, 38677, United States
Related Publications (19)
Avula B, Tekwani BL, Chaurasiya ND, Nanayakkara NP, Wang YH, Khan SI, Adelli VR, Sahu R, Elsohly MA, McChesney JD, Khan IA, Walker LA. Profiling primaquine metabolites in primary human hepatocytes using UHPLC-QTOF-MS with 13C stable isotope labeling. J Mass Spectrom. 2013 Feb;48(2):276-85. doi: 10.1002/jms.3122.
PMID: 23378100RESULTAvula B, Khan SI, Tekwani BL, Nanayakkara NP, McChesney JD, Walker LA, Khan IA. Analysis of primaquine and its metabolite carboxyprimaquine in biological samples: enantiomeric separation, method validation and quantification. Biomed Chromatogr. 2011 Sep;25(9):1010-7. doi: 10.1002/bmc.1557. Epub 2010 Nov 5.
PMID: 21058417RESULTBaker JK, McChesney JD. Differential metabolism of the enantiomers of primaquine. J Pharm Sci. 1988 May;77(5):380-2. doi: 10.1002/jps.2600770503.
PMID: 3411455RESULTLu H. Stereoselectivity in drug metabolism. Expert Opin Drug Metab Toxicol. 2007 Apr;3(2):149-58. doi: 10.1517/17425255.3.2.149.
PMID: 17428147RESULTFasinu PS, Tekwani BL, Nanayakkara NP, Avula B, Herath HM, Wang YH, Adelli VR, Elsohly MA, Khan SI, Khan IA, Pybus BS, Marcsisin SR, Reichard GA, McChesney JD, Walker LA. Enantioselective metabolism of primaquine by human CYP2D6. Malar J. 2014 Dec 17;13:507. doi: 10.1186/1475-2875-13-507.
PMID: 25518709RESULTFasinu PS, Avula B, Tekwani BL, Nanayakkara NP, Wang YH, Bandara Herath HM, McChesney JD, Reichard GA, Marcsisin SR, Elsohly MA, Khan SI, Khan IA, Walker LA. Differential kinetic profiles and metabolism of primaquine enantiomers by human hepatocytes. Malar J. 2016 Apr 19;15:224. doi: 10.1186/s12936-016-1270-1.
PMID: 27093859RESULTGraves PM, Gelband H, Garner P. Primaquine or other 8-aminoquinoline for reducing Plasmodium falciparum transmission. Cochrane Database Syst Rev. 2015 Feb 19;(2):CD008152. doi: 10.1002/14651858.CD008152.pub4.
PMID: 25693791RESULTJin X, Pybus BS, Marcsisin R, Logan T, Luong TL, Sousa J, Matlock N, Collazo V, Asher C, Carroll D, Olmeda R, Walker LA, Kozar MP, Melendez V. An LC-MS based study of the metabolic profile of primaquine, an 8-aminoquinoline antiparasitic drug, with an in vitro primary human hepatocyte culture model. Eur J Drug Metab Pharmacokinet. 2014 Jun;39(2):139-46. doi: 10.1007/s13318-013-0139-8.
PMID: 23797843RESULTMihaly GW, Ward SA, Edwards G, Orme ML, Breckenridge AM. Pharmacokinetics of primaquine in man: identification of the carboxylic acid derivative as a major plasma metabolite. Br J Clin Pharmacol. 1984 Apr;17(4):441-6. doi: 10.1111/j.1365-2125.1984.tb02369.x.
PMID: 6721990RESULTNanayakkara NP, Ager AL Jr, Bartlett MS, Yardley V, Croft SL, Khan IA, McChesney JD, Walker LA. Antiparasitic activities and toxicities of individual enantiomers of the 8-aminoquinoline 8-[(4-amino-1-methylbutyl)amino]-6-methoxy-4-methyl-5-[3,4-dichlorophenoxy]quinoline succinate. Antimicrob Agents Chemother. 2008 Jun;52(6):2130-7. doi: 10.1128/AAC.00645-07. Epub 2008 Mar 31.
PMID: 18378716RESULTNanayakkara NP, Tekwani BL, Herath HM, Sahu R, Gettayacamin M, Tungtaeng A, van Gessel Y, Baresel P, Wickham KS, Bartlett MS, Fronczek FR, Melendez V, Ohrt C, Reichard GA, McChesney JD, Rochford R, Walker LA. Scalable preparation and differential pharmacologic and toxicologic profiles of primaquine enantiomers. Antimicrob Agents Chemother. 2014 Aug;58(8):4737-44. doi: 10.1128/AAC.02674-13. Epub 2014 Jun 9.
PMID: 24913163RESULTPotter BM, Xie LH, Vuong C, Zhang J, Zhang P, Duan D, Luong TL, Bandara Herath HM, Dhammika Nanayakkara NP, Tekwani BL, Walker LA, Nolan CK, Sciotti RJ, Zottig VE, Smith PL, Paris RM, Read LT, Li Q, Pybus BS, Sousa JC, Reichard GA, Marcsisin SR. Differential CYP 2D6 metabolism alters primaquine pharmacokinetics. Antimicrob Agents Chemother. 2015 Apr;59(4):2380-7. doi: 10.1128/AAC.00015-15. Epub 2015 Feb 2.
PMID: 25645856RESULTPybus BS, Marcsisin SR, Jin X, Deye G, Sousa JC, Li Q, Caridha D, Zeng Q, Reichard GA, Ockenhouse C, Bennett J, Walker LA, Ohrt C, Melendez V. The metabolism of primaquine to its active metabolite is dependent on CYP 2D6. Malar J. 2013 Jun 20;12:212. doi: 10.1186/1475-2875-12-212.
PMID: 23782898RESULTSaunders D, Vanachayangkul P, Imerbsin R, Khemawoot P, Siripokasupkul R, Tekwani BL, Sampath A, Nanayakkara NP, Ohrt C, Lanteri C, Gettyacamin M, Teja-Isavadharm P, Walker L. Pharmacokinetics and pharmacodynamics of (+)-primaquine and (-)-primaquine enantiomers in rhesus macaques (Macaca mulatta). Antimicrob Agents Chemother. 2014 Dec;58(12):7283-91. doi: 10.1128/AAC.02576-13. Epub 2014 Sep 29.
PMID: 25267666RESULTSchmidt LH, Alexander S, Allen L, Rasco J. Comparison of the curative antimalarial activities and toxicities of primaquine and its d and l isomers. Antimicrob Agents Chemother. 1977 Jul;12(1):51-60. doi: 10.1128/AAC.12.1.51.
PMID: 407841RESULTTekwani BL, Walker LA. 8-Aminoquinolines: future role as antiprotozoal drugs. Curr Opin Infect Dis. 2006 Dec;19(6):623-31. doi: 10.1097/QCO.0b013e328010b848.
PMID: 17075340RESULTTekwani BL, Avula B, Sahu R, Chaurasiya ND, Khan SI, Jain S, Fasinu PS, Herath HM, Stanford D, Nanayakkara NP, McChesney JD, Yates TW, ElSohly MA, Khan IA, Walker LA. Enantioselective pharmacokinetics of primaquine in healthy human volunteers. Drug Metab Dispos. 2015 Apr;43(4):571-7. doi: 10.1124/dmd.114.061127. Epub 2015 Jan 30.
PMID: 25637634RESULTVale N, Moreira R, Gomes P. Primaquine revisited six decades after its discovery. Eur J Med Chem. 2009 Mar;44(3):937-53. doi: 10.1016/j.ejmech.2008.08.011. Epub 2008 Sep 11.
PMID: 18930565RESULTVasquez-Vivar J, Augusto O. Hydroxylated metabolites of the antimalarial drug primaquine. Oxidation and redox cycling. J Biol Chem. 1992 Apr 5;267(10):6848-54.
PMID: 1313024RESULT
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Babu L Tekwani, Ph.D
University of Mississippi Medical Center
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- BASIC SCIENCE
- Intervention Model
- CROSSOVER
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
July 21, 2016
First Posted
September 13, 2016
Study Start
May 1, 2017
Primary Completion
March 1, 2018
Study Completion
March 1, 2018
Last Updated
May 15, 2018
Record last verified: 2018-05
Data Sharing
- IPD Sharing
- Will not share