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Efficacy and safety of artesunate-amodiaquine for the treatment of uncomplicated Plasmodium falciparum in Eritrea in 2022

Efficacy and safety of artesunate-amodiaquine for the treatment of uncomplicated Plasmodium falciparum in Eritrea in 2022

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ANZCTR
Registry ID
ACTRN12625001329459
Enrollment
358
Registered
2025-11-28
Start date
2022-09-03
Completion date
2022-12-01
Last updated
2025-12-08

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

Conditions

None listed

Brief summary

Efficacy of artesunate-amodiaquine for the treatment of uncomplicated Plasmodium falciparum in Eritrea was assessed in three sentinel sites: Tokombia, Shambuko, Goluj and Akordat. The study period was September to December 2022. This surveillance study is a one lane, The study enrolled 358 patients. Primary endpoint was the proportion of patients with treatment failure and secondary endpoints were proportions of K13 mutation and day 3 positive cases.

Interventions

The study aims to assess the efficacy and safety of artesunate-amodiaquine once daily dose for three days for the treatment of uncomplicated Plasmodium falciparum infection. The dose regimen was based on body weight as follows: 1 tablet of 25+67.5 mg will be given to patient weighing 4.5 to <9 kg; 1 tablet of 50+135 mg to patient weighing 9 to <18 kg; 1 tablet of 100+270 mg to patient weighing 18 to <36 kg; 2 tablets of 100+270 mg. The target daily doses are approximately 4mg/kg BW of artesunate

The study aims to assess the efficacy and safety of artesunate-amodiaquine once daily dose for three days for the treatment of uncomplicated Plasmodium falciparum infection. The dose regimen was based on body weight as follows: 1 tablet of 25+67.5 mg will be given to patient weighing 4.5 to <9 kg; 1 tablet of 50+135 mg to patient weighing 9 to <18 kg; 1 tablet of 100+270 mg to patient weighing 18 to <36 kg; 2 tablets of 100+270 mg. The target daily doses are approximately 4mg/kg BW of artesunate and 10mg/kg BW of amodiaquine. All treatments will be taken orally under direct supervision by the health worker and will be followed up for 28 days

Sponsors

Ministry of Health
Lead SponsorGovernment body

Study design

Allocation
Non-randomised trial
Intervention model
Single group
Primary purpose
Treatment
Masking
Open (masking not used)

Eligibility

Sex/Gender
All
Age
6 Months to No maximum
Healthy volunteers
No

Inclusion criteria

1. age between 6 months and above; 2. infection with P. falciparum parasites confirmed by positive blood smear (no mixed infection); 3. parasitaemia of 250-200, 000 asexual forms per microliter; 4. presence of axillary or tympanic temperature greater or equal to 37.5 degree centigrade or history of fever during the past 24 h; 5. ability to swallow oral medication; 6. ability and willingness to comply with the study protocol for the duration of the study and to comply with the study follow-up visit schedule; 7. informed consent from the patient or from a parent or guardian in the case of children aged less than 18; 8. informed assent from any minor participant aged from 12 to 18 years; and 9. Consent for pregnancy testing from female of child-bearing age (defined as age > 12 years and sexually active) and from their parent or guardian if under the age of 18.

Exclusion criteria

1. presence of general danger signs in children aged under 12 years or signs of severe P. falciparum or P. vivax malaria according to the definitions of WHO; 2. weight under 5 kg; 3. haemoglobin < 8 g per deciliter; 4. presence of severe malnutrition defined as a child aged between 6-60 months whose weight-for-high is below –3 z-score, or has symmetrical oedema involving at least the feet or has a mid-upper arm circumference < 115 mm). 5. presence of febrile conditions due to diseases other than malaria (e.g. measles, acute lower respiratory tract infection, severe diarrhea with dehydration) or other known underlying chronic or severe diseases (e.g. cardiac, renal and hepatic diseases, HIV/AIDS); 6. regular medication, which may interfere with antimalarial pharmacokinetics; 7. history of hypersensitivity reactions or contraindications to any of the medicine(s) being tested or used as alternative treatment(s); 8. a positive pregnancy test or breastfeeding; and 9. unable to or unwilling to take pregnancy test or to use contraception for women of child-bearing age (defined as age above 12 years and sexually active).

Outcome results

None listed

Source: ANZCTR · Data processed: Feb 4, 2026