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Efficacy and safety of Ivermectin for the treatment of Plasmodium falciparum infections in asymptomatic Gabonese adults

Efficacy and safety of Ivermectin for the treatment of Plasmodium falciparum infections in asymptomatic Gabonese adults

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
PACTR
Registry ID
PACTR201908520097051
Enrollment
49
Registered
2019-08-02
Start date
2019-05-21
Completion date
Unknown
Last updated
2026-09-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Malaria

Interventions

Treatment group
Placebo control

Sponsors

Centre de Recherches Medicales de Lambarene
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - Male or female, aged = 18 years and body weight = 45 kg - P. falciparum parasitaemia of 200 to 5000 parasites/µL - Asymptomatic malaria defined as: presence of P. falciparum mono-infection with absence of fever (axillary temperature <38.5 °C and absence of history of fever in the recent 24 hours and the week before inclusion) and other symptoms re-lated to malaria - Willingness to take part in the study and to sign the informed consent form

Exclusion criteria

Exclusion criteria: - Active tuberculosis, or history of taking anti-tuberculosis medications within 12 months prior to screening - any Loa loa microfilaria infection detected by microscopy - AST/ALT > 2x the upper limit of normal range (ULN) - Taking an experimental drug in the last 4 weeks - Antimalarial treatment in the last 4 weeks - Use of systemic antibiotics with known antimalarial activity within 30 days of study enrolment (e.g. trimethoprim-sulfamethoxazole, doxycycline, tetracycline, clindamycin, erythromycin, fluoroquinolones, or azithromycin) - Use of ivermectin within 30 days of study enrolment - Participants taking herbal medication within one week of screening - Known or suspected electrolyte imbalance, e.g. hypokalae-mia, hypocalcaemia or hypomagnesemia with clinical signif-icance - Moderate to severe anaemia (Haemoglobin level <8 g/dL) - Any known or suspected immunosuppressive or immunode-ficient condition, including human immunodeficiency virus (HIV) infection - Severe malnutrition (Body Mass Index (BMI) < 16.0) - Pregnant or nursing (lactating) women - Known chronic underlying disease such as sickle cell disease or severe cardiac impairment - Participants with serum creatinine = 2 X ULN in the absence of dehydration. In case of dehydration, Participants with se-rum creatinine = 2 X ULN after oral or parenteral rehydration - Participants with any psychiatric or neurological condition including substance abuse - Allergy to ivermectin

Design outcomes

Primary

MeasureTime frame
Time to 90% parasite reduction for at least 8 hours assessed by microscopy Number and occurrence of related SAE and Grade 3 AE from time of first administration of ivermectin until the end of the study

Secondary

MeasureTime frame
Time to 90% parasite reduction assessed by qPCR Difference in AUC of parasitaemia until D7 Parasite clearance time, defined as time to parasitaemia <100 parasites/mL Number and occurrence of any AE from time of first admin-istration of ivermectin until the end of the study

Countries

Gabon

Contacts

Public ContactMichael Ramharter

Bernhard Nocht Institute for Tropical Medicine

ramharter@bnitm.de00494042818511

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Sep 19, 2026