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Inclusion criteria :

Participants (14-69 years old inclusive) with body weight within 35 and 90 kilograms (kg), with uncomplicated Plasmodium falciparum (P. falciparum) malaria, with a fever as defined with axillary temperature greater than or equal to (\>=) 37.5 degree Celsius (°C) or oral/ rectal/ tympanic temperature \>=38°C or history of fever in the previous 24 hours (history of fever was documented), with a mono-infection with P. falciparum and parasitemia (microscopically, blood smear) \>= 3,000 and less than or equal to (\<=) 50,000 asexual parasites per microliter of blood.

Exclusion criteria:

* Presence of severe malaria.
* Known history or evidence of clinically significant gastrointestinal, cardiovascular, hepatic, renal, hematological, respiratory, endocrine, immunological, infectious, neurological (in particular convulsions), malignancy, psychiatric disease or symptoms which, in the judgment of the investigator, might confuse the interpretation of the safety information.
* Severe vomiting defined as more than 3 times in the 24 hours prior to enrollment in the study or inability to tolerate oral treatment or severe diarrhea defined as 3 or more watery stools per day.
* Severe malnutrition defined as a body mass index of less than 16 kg per meter square for adults and for children Z-score less than (\<) -3 or weight for age (%) of the median \<60.
* Splenectomized participants or presence of surgical scar on left hypochondrium.
* Known history of hypersensitivity, allergic, or anaphylactoid reactions to FQ or other amino quinolines or to OZ439 or OZ277 or any of the excipients.
* Participant treated with anti-malarial treatment:
* With piperaquine phosphate-based compound, mefloquine, naphthoquine or sulphadoxine/pyrimethamine within the previous 6 weeks.
* With amodiaquine or chloroquine within the previous 4 weeks.
* With quinine, halofantrine, lumefantrine-based compounds and any other anti-malarial treatment or antibiotics with antimalarial activity (including cotrimoxazole, tetracyclines, quinolones and fluoroquinolones, and azithromycin) within the past 14 days.
* With any herbal products or traditional medicines, within the past 7 days.
* Previous treatment within 5 times the half-life or within the last 14 days, whichever the longest, which were: strong Cytochrome P450 (CYP) 2C or CYP3A inhibitors and/or moderate inhibitors but inhibiting both CYP2C and CYP3A and/or CYP inducers.
* Any treatment known to induce a prolongation of QT interval.
* Participated in any trial investigating OZ439 and/or FQ compounds.
* Previous participation in any malaria vaccine study or received malaria vaccine in any other circumstance.
* Enrolled in another clinical trial within the past 4 weeks or during the study period.
* Mixed Plasmodium infection.
* Presence of Hepatitis A - immunoglobulin, Hepatitis B surface antigen or Hepatitis C virus antibody and/or known to had active Hepatitis C virus ribonucleic acid.
* Laboratory parameters with abnormalities deemed clinically significant by the investigator.
* Abnormal Liver Function Test: aspartate transferase greater than (\>) 2 upper limit of normal range (ULN), or alanine transferase \>2 ULN or total bilirubin \>1.5 ULN.
* Positive pregnancy test at study screening for female participants of childbearing potential.
* QT interval corrected using Fridericia formula (QTcF) \>450 milliseconds at screening or pre-dose.
* Hypokalemia (\<3.5 millimoles per liter \[mmol/L\]), hypocalcemia (\<2.0 mmol/L) or hypomagnesemia (\<0.5 mmol/L) at screening or pre-dose.
* Family history of sudden death or of congenital prolongation of the QT interval or known congenital prolongation of the QT-interval or any clinical condition known to prolong the QT interval e.g., participants with a history of symptomatic cardiac arrhythmias including atrial fibrillation or with clinically relevant bradycardia.
* Participant not suitable for participation, whatever the reason, as judged by the Investigator, included medical or clinical conditions, or participants potentially at risk of noncompliance to study procedures or unable to drink.

The above information was not intended to contain all considerations relevant to a participant's potential participation in a clinical trial.

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