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Artemisia Annua Infusion for the Treatment of Asymptomatic Plasmodium Falciparum Infection (ART-CT001)

9. september 2026 opdateret af: Centre de Recherche Médicale de Lambaréné

Clinical Assessment of the Safety and Efficacy of Artemisia Annua Infusion Preparation for the Treatment of Asymptomatic Plasmodium Falciparum Infection in Semi-immune Adults in Gabon

The goal of this clinical trial is to determine whether Artemisia annua dried leaves, used as an infusion, can treat individuals with malaria parasites but no symptoms. The main question it aims to answer is:

Can Artemisia annua infusion be used to treat malaria?

Researchers will compare those receiving Artemisia annua infusion with those receiving an infusion of Centaurii herba (which has no effect on malaria parasites) to see whether all individuals treated with Artemisia annua infusion are cured, which should not be the case for those receiving Centaurii herba infusion.

Participants will

  • drink Artemisia annua infusion over seven days (three days at our research centre and four days at their home
  • visit the research centre once a week for three weeks after treatment for one month for safety reasons

Studieoversigt

Status

Ikke rekrutterer endnu

Detaljeret beskrivelse

For safety reasons, participants will be followed up daily for malaria-like symptoms and parasite counts until the end of treatment. Indeed, if they are not free of parasites after seven days of treatment, they will receive rescue treatment, which is the WHO-recommended malaria treatment.

Similarly, if the number of parasites in their blood increases or they develop malaria-like symptoms during treatment, they will receive rescue treatment.

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

20

Fase

  • Fase 1

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

  • Navn: Jean Claude Dejon Agobé, MD
  • Telefonnummer: 0024177989191
  • E-mail: jcagobe@cermel.org

Studiesteder

    • Gabon
      • Lambaréné, Gabon, Gabon, BP: 242
        • Centre de Recherches Médicales de Lambaréné
        • Kontakt:
          • Jean Claude Dejon Agobé, MD, PhD
          • Telefonnummer: 0024177989191
          • E-mail: jcagobe@cermel.org
        • Kontakt:
        • Ledende efterforsker:
          • Jean Claude Dejon Agobé, MD, PhD
        • Underforsker:
          • Christian Chassem Lapue, MD

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen

Tager imod sunde frivillige

Ingen

Beskrivelse

Inclusion Criteria:

  • Age: 18 to 45 years
  • Absence of fever (body temperature <37.5ºC axillary or <38.0°C oral, rectal or tympanic temperature)
  • Asymptomatic P. falciparum infection with parasitemia between 500 and 2,000 asexual P. falciparum parasites per μl of blood
  • Have been living in an endemic area for at least 5 years.
  • Written informed consent from the participant
  • Residence in the vicinity of the study centre
  • Willingness to comply with the follow-up schedule

Exclusion Criteria:

  • History of fever over the last 72 hours
  • Non-Plasmodium falciparum infection
  • Intake of any antimalarial drug or antibiotic with antimalarial activity within the previous 28 days and/or after half-life time
  • Presence of signs and symptoms related by the medical doctor to malaria
  • Known history or evidence of clinically significant medical disorders
  • Severe malnutrition
  • Haemoglobin concentration <7 g/dL
  • Known hypersensitivity and contraindications to any study medication
  • Pregnancy or lactation
  • Participation in other interventional studies

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Placebo komparator: Kontrolarm
The research team will prepare one litre of 'Herba Centaurii' infusion every morning, which will be given to the participants in three splits every 8 hours, under the supervision of the research team for seven consecutive days.
Andre navne:
  • Centaurium erythrea
Eksperimentel: Artemisia arm
Dried Artemisia annua leaves will be used to prepare an infusion by adding 5 mg of dried leaves to 1 litre of boiled water. The mixture will be left to stand for 15 minutes, then stirred and strained before being administered to the participant. Participants will receive 1 litre of this infusion (prepared each morning) per day for seven consecutive days. The research team will administer the daily dose in three splits at 8-hour intervals.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Number of participants in whom the parasitaemia was cleared
Tidsramme: On day 7 from the first day of treatment
No parasites detected in the thick blood smear (microscopic method)
On day 7 from the first day of treatment

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Number of participants cured
Tidsramme: From the last day of treatment (day 7) to the end of the follow-up period on day 28
Defined as the absence of Plasmodium infection (including reinfections) following treatment, as determined by microscopy and adjusted by PCR, in the per-protocol and intention-to-treat populations.
From the last day of treatment (day 7) to the end of the follow-up period on day 28
Number of adverse events
Tidsramme: From the first day of treatment (enrolment) to the end of the treatment period on day 7
Types, proportions, severity, and causality of adverse events will be recorded as measures of tolerability and safety
From the first day of treatment (enrolment) to the end of the treatment period on day 7

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Efterforskere

  • Studiestol: Steffen Borrmann, Prof., Institut für Tropenmedizin, Universitätsklinikum Tübingen, Wilhelmstraße 27, 72074 Tübingen, Germany
  • Studiestol: Ayôla Akim Adegnika, Prof., Centre de Recherches Médicales de Lambaréné

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

1. september 2026

Primær færdiggørelse (Anslået)

1. maj 2027

Studieafslutning (Anslået)

1. juni 2027

Datoer for studieregistrering

Først indsendt

9. september 2026

Først indsendt, der opfyldte QC-kriterier

9. september 2026

Først opslået (Faktiske)

15. september 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

15. september 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

9. september 2026

Sidst verificeret

1. august 2026

Mere information

Begreber relateret til denne undersøgelse

Plan for individuelle deltagerdata (IPD)

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