A Phase 1 interventional study of OZ439 50mg API capsules and OZ439 200mg API capsules in Malaria Falciparum, Malaria Vivax and Healthy Volunteers, sponsored by Medicines for Malaria Venture. Completed at 1 site in United States. Open to participants aged 18 Years to 55 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2015-01-08.
Sponsored by Medicines for Malaria Venture · Phase 1, Interventional, and Treatment
OZ439 is a synthetic trioxolane that has potential value as a peroxide antimalarial agent.
This was a Phase I, single-centre, multi-component, double-blind, randomised, placebo-controlled study in healthy male and female subjects. The study was conducted in 3 parts:
The starting oral dose was 50 mg and the maximum single dose to be administered did not exceed 1600 mg per subject. The maximum duration of dosing proposed was 3 days.
1,299 studies on the registry are indexed under Malaria; 86 are open to participants now.
This study's enrollment of 63 is below the median of 220 across 1,027 interventional studies indexed under Malaria.
Browse Malaria studies →Medicines for Malaria Venture is the lead sponsor of 66 studies on the registry; 3 are open to participants now.
Counted across the registry records on this site, refreshed daily.
Females of childbearing potential must use 1 of birth control methods throughout study and for 30 days after last dose of study drug:
Exclusion Criteria:
OZ439 Single doses of 50mg (capsules)
Drug: OZ439 50mg API capsules
OZ439 Single doses of 100mg (capsules)
Drug: OZ439 100mg API capsules
OZ439 Single doses of 200mg (capsules)
Drug: OZ439 200mg API capsules
OZ439 Single doses of 400mg (capsules)
Drug: OZ439 400mg API capsules
OZ439 Single doses of 400mg (capsules) administered with food.
Drug: OZ439 400mg API capsules
OZ439 Single doses of 400mg (aqueous dispersion)
Drug: OZ439 400mg aqueous dispersion
OZ439 Single doses of 800mg (capsules)
Drug: OZ439 800mg API capsules
OZ439 Single doses of 800mg (aqueous dispersion)
Drug: OZ439 800mg aqueous dispersion
OZ439 Single doses of 1200mg (capsules)
Drug: OZ439 1200mg API capsules
OZ439 Single doses of 800mg (aqueous dispersion)
Drug: OZ439 1600mg aqueous dispersion
Placebo control for Single rising Part A
Drug: Placebo
Single dose of OZ439 800mg aqueous dispersion administered under fed conditions
Drug: OZ439 800mg aqueous dispersion
Single dose of OZ439 800mg aqueous dispersion administered under fast conditions
Drug: OZ439 800mg aqueous dispersion
200mg aqueous solution OZ439 or placebo once daily for 3 days fasted
Drug: OZ439 200mg aqueous dispersion
400mg aqueous solution OZ439 or placebo once daily for 3 days fasted
Drug: OZ439 400mg aqueous dispersion
800mg aqueous solution OZ439 or placebo once daily for 3 days fasted
Drug: OZ439 800mg aqueous dispersion
Placebo control for Multiple rising Part C
Drug: Placebo
Also known as: OZ439
Also known as: OZ439
Also known as: OZ439
OZ439 100mg (2x50mg API capsules)
Also known as: OZ439
OZ439 400mg (2x200mg API capsules)
Also known as: OZ439
Also known as: OZ439
OZ439 800mg (4x200 API capsules)
Also known as: OZ439
OZ439 1200mg (6x200mg API capsules)
Also known as: OZ439
Also known as: OZ439
Adverse Events
Safety/Tolerability evaluation took into account the recorded AE profile, clinical laboratory safety tests, vital signs, 12 lead and continuous (Parts A and C) ECG monitoring, audiometry/Brainstem Auditory Evoked Potentials (BAEP) parameters (Parts A and C) including any additional tests required to evaluate any safety concerns.
Time frame: From screening and at 10 (+/-2) days after last dose of study medication
OZ439 AUC0-t
Area under the plasma concentration-time curve from zero to time t of the last measured concentration above the limit of quantification (AUC0-t).
Time frame: Samples collected from Pre-dose up to 96h post dose
OZ439 AUC0-∝
Area under the plasma concentration-time curve from zero to infinity (AUC0-∝).
Time frame: Samples collected from Pre-dose up to 96h post dose
OZ439 Cmax
Maximum observed plasma drug concentration (Cmax).
Time frame: Samples collected from Pre-dose up to 96h post dose
OZ439 Tmax
Time to maximum observed plasma drug concentration of OZ439
Time frame: Samples collected from Pre-dose up to 96h post dose
OZ439 t1/2
Apparent terminal half-life (t1/2)
Time frame: Samples collected from Pre-dose up to 96h post dose
OZ439 Rac
Accumulation index is the ratio of drug exposure observed during a dosing interval at steady-state divided by drug exposure after a single first dose, as described by the following equations: Accumulation index (Rac) = AUC0-(Day 3)/ AUC0-(Day 1)
Time frame: Samples collected from Pre-dose up to 96h post dose
| Milestone | Part A - OZ439 Single Dose - Cohort 1 | Part A - OZ439 Single Dose - Cohort 2 | Part A - OZ439 Single Dose - Cohort 3 | Part B - Food Effect - Cohort 1 | Part B - Food Effect - Cohort 2 | Part C - 200mg OZ439 Multiple Dose | Part C - 400mg OZ439 Multiple Dose | Part C - 800mg OZ439 Multiple Dose | Part C - Placebo |
|---|---|---|---|---|---|---|---|---|---|
| Started | 10 | 8 | 8 | 6 | 7 | 6 | 6 | 6 | 6 |
| Completed | 6 | 8 | 8 | 5 | 6 | 6 | 6 | 6 | 6 |
| Not completed | 4 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
Safety/Tolerability evaluation took into account the recorded AE profile, clinical laboratory safety tests, vital signs, 12 lead and continuous (Parts A and C) ECG monitoring, audiometry/Brainstem Auditory Evoked Potentials (BAEP) parameters (Parts A and C) including any additional tests required to evaluate any safety concerns.
| participants | Part A - 50 mg Single Dose | Part A - 100mg Single Dose | Part A - 200mg Single Dose | Part A - 400mg Single Dose | Part A - 400mg Single Dose + Food | Part A - 400mg AD Single Dose | Part A - 800mg Single Dose | Part A - 800mg AD Single Dose | Part A - 1200mg Single Dose | Part A - 1600mg AD Single Dose | Part A - Placebo | Part B - 800mg AD Single Dose Fed | Part B - 800mg AD Single Dose Fast | Part C - 200mg AD Multiple Dose | Part C - 400mg AD Multiple Dose | Part C - 800mg AD Multiple Dose | Part C - Placebo |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Adverse Events | 1 | 0 | 2 | 0 | 0 | 1 | 2 | 1 | 1 | 5 | 4 | 3 | 4 | 3 | 1 | 4 | 0 |
Area under the plasma concentration-time curve from zero to time t of the last measured concentration above the limit of quantification (AUC0-t).
| ng.h/ml | Part A - 50 mg Single Dose | Part A - 100mg Single Dose | Part A - 200mg Single Dose | Part A - 400mg Single Dose | Part A - 400mg AD Single Dose | Part A - 800mg Single Dose | Part A - 800mg AD Single Dose | Part A - 1200mg Single Dose | Part A - 1600mg AD Single Dose | Part B - 800mg AD Single Dose Fed | Part B - 800mg AD Single Dose Fast | Part C - 200mg AD Multiple Dose | Part C - 400mg AD Multiple Dose | Part C - 800mg AD Multiple Dose |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OZ439 AUC0-t | 102 ± 133.7 | 249 ± 145.4 | 890 ± 89.1 | 1130 ± 186.6 | 5430 ± 72 | 3010 ± 115.7 | 9630 ± 56.9 | 6530 ± 172.4 | 17500 ± 70.1 | 23100 ± 48.9 | 7590 ± 64.7 | 3060 ± 60.1 | 7990 ± 57.5 | 13700 ± 46.0 |
Area under the plasma concentration-time curve from zero to infinity (AUC0-∝).
| ng.h/ml | Part A - 50 mg Single Dose | Part A - 100mg Single Dose | Part A - 200mg Single Dose | Part A - 400mg Single Dose | Part A - 400mg AD Single Dose | Part A - 800mg Single Dose | Part A - 800mg AD Single Dose | Part A - 1200mg Single Dose | Part A - 1600mg AD Single Dose | Part B - 800mg AD Single Dose Fed | Part B - 800mg AD Single Dose Fast | Part C - 200mg AD Multiple Dose | Part C - 400mg AD Multiple Dose | Part C - 800mg AD Multiple Dose |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OZ439 AUC0-∝ | NA ± NA | NA ± NA | NA ± NA | NA ± NA | 5540 ± 71.3 | 4690 ± 43.5 | 9790 ± 56.7 | 9130 ± 136.8 | 18400 ± 68 | 23900 ± 49 | 8080 ± 68.7 | NA ± NA | NA ± NA | NA ± NA |
Maximum observed plasma drug concentration (Cmax).
| ng/ml | Part A - 50 mg Single Dose | Part A - 100mg Single Dose | Part A - 200mg Single Dose | Part A - 400mg Single Dose | Part A - 400mg AD Single Dose | Part A - 800mg Single Dose | Part A - 800mg AD Single Dose | Part A - 1200mg Single Dose | Part A - 1600mg AD Single Dose | Part B - 800mg AD Single Dose Fed | Part B - 800mg AD Single Dose Fast | Part C - 200mg AD Multiple Dose | Part C - 400mg AD Multiple Dose | Part C - 800mg AD Multiple Dose |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OZ439 Cmax | 17.4 ± 84.7 | 34.2 ± 173.5 | 102 ± 82.9 | 135 ± 164.9 | 566 ± 53.9 | 315 ± 121.8 | 917 ± 35.6 | 701 ± 154.7 | 1340 ± 44.5 | 2220 ± 52.6 | 730 ± 61.1 | 342 ± 52.5 | 764 ± 46.6 | 1390 ± 51.7 |
Time to maximum observed plasma drug concentration of OZ439
| hours | Part A - 50 mg Single Dose | Part A - 100mg Single Dose | Part A - 200mg Single Dose | Part A - 400mg Single Dose | Part A - 400mg AD Single Dose | Part A - 800mg Single Dose | Part A - 800mg AD Single Dose | Part A - 1200mg Single Dose | Part A - 1600mg AD Single Dose | Part B - 800mg AD Single Dose Fed | Part B - 800mg AD Single Dose Fast | Part C - 200mg AD Multiple Dose | Part C - 400mg AD Multiple Dose | Part C - 800mg AD Multiple Dose |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OZ439 Tmax | 3 (2 to 6) | 5 (3 to 12) | 3.5 (3 to 6) | 3 (2 to 6) | 3 (2 to 4) | 3 (2 to 4) | 3 (3 to 6) | 3 (2 to 6) | 5 (2 to 6) | 5 (2 to 7) | 3 (2 to 5) | 3 (2 to 5) | 3 (2 to 5) | 3 (2 to 5) |
Apparent terminal half-life (t1/2)
| hours | Part A - 50 mg Single Dose | Part A - 100mg Single Dose | Part A - 200mg Single Dose | Part A - 400mg Single Dose | Part A - 400mg AD Single Dose | Part A - 800mg Single Dose | Part A - 800mg AD Single Dose | Part A - 1200mg Single Dose | Part A - 1600mg AD Single Dose | Part B - 800mg AD Single Dose Fed | Part B - 800mg AD Single Dose Fast | Part C - 200mg AD Multiple Dose | Part C - 400mg AD Multiple Dose | Part C - 800mg AD Multiple Dose |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OZ439 t1/2 | NA ± NA | NA ± NA | NA ± NA | NA ± NA | 31.2 ± 33.5 | 27.9 ± 24.1 | 25.2 ± 25.8 | 31.6 ± 46.9 | 30.7 ± 41.9 | 31.7 ± 30.1 | 38.8 ± 50.2 | 41.7 ± 18.2 | 40.8 ± 31.4 | 37.8 ± 28.6 |
Accumulation index is the ratio of drug exposure observed during a dosing interval at steady-state divided by drug exposure after a single first dose, as described by the following equations: Accumulation index (Rac) = AUC0-(Day 3)/ AUC0-(Day 1)
| ratio | Part C - 200mg AD Multiple Dose | Part C - 400mg AD Multiple Dose | Part C - 800mg AD Multiple Dose |
|---|---|---|---|
| OZ439 Rac | 1.16 ± 18.7 | 1.76 ± 29.9 | 1.43 ± 26.0 |
Collected over Adverse event monitoring throughout the admission period.. Non-serious events are listed at a 5% frequency threshold.
| Group | Deaths | Serious | Other |
|---|---|---|---|
| Part A - 50 mg Single Dose | — | 0/8 (0%) | 1/8 (12.5%) |
| Part A - 100mg Single Dose | — | 0/8 (0%) | 0/8 (0%) |
| Part A - 200mg Single Dose | — | 0/8 (0%) | 2/8 (25%) |
| Part A - 400mg Single Dose | — | 0/7 (0%) | 0/7 (0%) |
| Part A - 400mg Single Dose + Food | — | 0/6 (0%) | 0/6 (0%) |
| Part A - 400mg AD Single Dose | — | 0/5 (0%) | 1/5 (20%) |
| Part A - 800mg Single Dose | — | 0/8 (0%) | 2/8 (25%) |
| Part A - 800mg AD Single Dose | — | 0/6 (0%) | 1/6 (16.7%) |
| Part A - 1200mg Single Dose | — | 0/6 (0%) | 1/6 (16.7%) |
| Part A - 1600mg AD Single Dose | — | 0/6 (0%) | 5/6 (83.3%) |
| Part A - Placebo | — | 1/17 (5.9%) | 4/17 (23.5%) |
| Part B - 800mg AD Single Dose Fed | — | 0/12 (0%) | 3/12 (25%) |
| Part B - 800mg AD Single Dose Fast | — | 0/12 (0%) | 4/12 (33.3%) |
| Part C - 200mg AD Multiple Dose | — | 0/6 (0%) | 3/6 (50%) |
| Part C - 400mg AD Multiple Dose | — | 0/6 (0%) | 1/6 (16.7%) |
| Part C - 800mg AD Multiple Dose | — | 0/6 (0%) | 4/6 (66.7%) |
| Part C - Placebo | — | 0/6 (0%) | 0/6 (0%) |
| Event | Part A - 50 mg Single Dose | Part A - 100mg Single Dose | Part A - 200mg Single Dose | Part A - 400mg Single Dose | Part A - 400mg Single Dose + Food | Part A - 400mg AD Single Dose | Part A - 800mg Single Dose | Part A - 800mg AD Single Dose | Part A - 1200mg Single Dose | Part A - 1600mg AD Single Dose | Part A - Placebo | Part B - 800mg AD Single Dose Fed | Part B - 800mg AD Single Dose Fast | Part C - 200mg AD Multiple Dose | Part C - 400mg AD Multiple Dose | Part C - 800mg AD Multiple Dose | Part C - Placebo |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| InfluenzaRespiratory, thoracic and mediastinal disorders | 0/8 | 0/8 | 0/8 | 0/7 | 0/6 | 0/5 | 0/8 | 0/6 | 0/6 | 0/6 | 1/17 | 0/12 | 0/12 | 0/6 | 0/6 | 0/6 | 0/6 |
| Event | Part A - 50 mg Single Dose | Part A - 100mg Single Dose | Part A - 200mg Single Dose | Part A - 400mg Single Dose | Part A - 400mg Single Dose + Food | Part A - 400mg AD Single Dose | Part A - 800mg Single Dose | Part A - 800mg AD Single Dose | Part A - 1200mg Single Dose | Part A - 1600mg AD Single Dose | Part A - Placebo | Part B - 800mg AD Single Dose Fed | Part B - 800mg AD Single Dose Fast | Part C - 200mg AD Multiple Dose | Part C - 400mg AD Multiple Dose | Part C - 800mg AD Multiple Dose | Part C - Placebo |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DiarrhoeaGastrointestinal disorders | 0/8 | 0/8 | 0/8 | 0/7 | 0/6 | 0/5 | 0/8 | 0/6 | 0/6 | 3/6 | 0/17 | 0/12 | 0/12 | 0/6 | 0/6 | 1/6 | 0/6 |
| NauseaGastrointestinal disorders | 0/8 | 0/8 | 0/8 | 0/7 | 0/6 | 0/5 | 0/8 | 0/6 | 0/6 | 3/6 | 0/17 | 0/12 | 1/12 | 1/6 | 0/6 | 1/6 | 0/6 |
| Gastrointestinal HypermotilityGastrointestinal disorders | 0/8 | 0/8 | 0/8 | 0/7 | 0/6 | 0/5 | 0/8 | 0/6 | 0/6 | 2/6 | 0/17 | 0/12 | 0/12 | 0/6 | 0/6 | 0/6 | 0/6 |
| HeadacheNervous system disorders | 0/8 | 0/8 | 1/8 | 0/7 | 0/6 | 0/5 | 0/8 | 0/6 | 1/6 | 0/6 | 1/17 | 2/12 | 1/12 | 2/6 | 0/6 | 0/6 | 0/6 |
| FlushingVascular disorders | 0/8 | 0/8 | 0/8 | 0/7 | 0/6 | 0/5 | 0/8 | 0/6 | 0/6 | 0/6 | 0/17 | 0/12 | 0/12 | 0/6 | 0/6 | 2/6 | 0/6 |
| ConstipationGastrointestinal disorders | 0/8 | 0/8 | 0/8 | 0/7 | 0/6 | 1/5 | 0/8 | 1/6 | 0/6 | 1/6 | 1/17 | 0/12 | 0/12 | 0/6 | 0/6 | 0/6 | 0/6 |
| Abdominal DisconfortGastrointestinal disorders | 0/8 | 0/8 | 0/8 | 0/7 | 0/6 | 0/5 | 0/8 | 0/6 | 0/6 | 1/6 | 0/17 | 0/12 | 0/12 | 0/6 | 0/6 | 0/6 | 0/6 |
| Throat IrritationGastrointestinal disorders | 0/8 | 0/8 | 0/8 | 0/7 | 0/6 | 0/5 | 0/8 | 0/6 | 0/6 | 0/6 | 0/17 | 0/12 | 0/12 | 0/6 | 0/6 | 1/6 | 0/6 |
| Blood Pressure IncreasedInvestigations | 0/8 | 0/8 | 0/8 | 0/7 | 0/6 | 0/5 | 0/8 | 0/6 | 0/6 | 0/6 | 0/17 | 0/12 | 0/12 | 1/6 | 0/6 | 0/6 | 0/6 |
| Back PainMusculoskeletal and connective tissue disorders | 0/8 | 0/8 | 0/8 | 0/7 | 0/6 | 0/5 | 0/8 | 0/6 | 0/6 | 0/6 | 0/17 | 0/12 | 0/12 | 0/6 | 1/6 | 0/6 | 0/6 |
| Age, Continuous(years) | Part A - OZ439 Single Rising Dose | Part B - OZ439 Food Effect | Part C - OZ439 Multiple Rising Dose | Total |
|---|---|---|---|---|
| Mean | 35.6 ± 10.35 | 33.7 ± 8.49 | 40.1 ± 10.17 | 36.5 ± 9.67 |
| Sex: Female, Male(Participants) | Part A - OZ439 Single Rising Dose | Part B - OZ439 Food Effect | Part C - OZ439 Multiple Rising Dose | Total |
|---|---|---|---|---|
| Female | 5 | 9 | 9 | 23 |
| Male | 21 | 4 | 15 | 40 |
| Region of Enrollment(participants) | Part A - OZ439 Single Rising Dose | Part B - OZ439 Food Effect | Part C - OZ439 Multiple Rising Dose | Total |
|---|---|---|---|---|
| United States | 26 | 13 | 24 | 63 |
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Medicines for Malaria Venture