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The Effects of Hand and Face Washing With Soap on Active Trachoma Among Children 1-9 Years Old.

11 augusti 2026 uppdaterad av: Wubante Yalew, Bahir Dar University

The Effects of Hand and Face Washing With Soap on Active Trachoma Among Children 1-9 Years Old in Central Ethiopia Region: a Randomized Controlled Trial

Active trachoma remains a major public health problem among children in Ethiopia. This clinical trial evaluates whether regular hand and face washing with soap reduces the prevalence of active trachoma among children aged 1-9 years in the Central Ethiopia Region. The primary outcome is the prevalence of active trachoma after the intervention, with findings expected to support evidence-based hygiene interventions for trachoma prevention and control.

Studieöversikt

Detaljerad beskrivning

Trachoma remains a leading cause of preventable blindness and continues to be a significant public health problem in Ethiopia, particularly among children living in endemic rural communities. Repeated infection with Chlamydia trachomatis leads to chronic conjunctival inflammation, which can ultimately result in blindness if left untreated. Children aged 1-9 years constitute the primary reservoir for infection, and poor facial hygiene, inadequate hand hygiene, and limited access to water and sanitation contribute substantially to disease transmission.

This clinical trial is designed to evaluate the effectiveness of regular hand and face washing with soap in reducing the prevalence of active trachoma among children aged 1-9 years in the Central Ethiopia Region. Participants will be assigned to an intervention group receiving structured promotion and provision of soap for routine hand and face washing, or to a control group receiving the standard community practices or existing health education, according to the study protocol. The intervention will emphasize consistent face washing to remove ocular and nasal discharge and hand washing with soap to reduce the transmission of C. trachomatis.

The primary outcome will be the prevalence of active trachoma, assessed using the World Health Organization (WHO) simplified trachoma-grading system by trained and certified graders at baseline and at the end of the follow-up period. Secondary outcomes may include facial cleanliness, adherence to hand- and face-washing practices, ocular and nasal discharge, and other hygiene-related behavioral indicators.

The study will also assess the feasibility and acceptability of implementing regular soap-based hygiene interventions in endemic communities. Findings from this trial are expected to strengthen the evidence base for the facial cleanliness component of the WHO SAFE strategy (Surgery, Antibiotics, Facial cleanliness, and Environmental improvement) and inform policies and programs aimed at accelerating trachoma elimination in Ethiopia and other endemic settings. Ethical approval is obtained from Bahir Dar University and the College of Medicine and Health Sciences Institutional Review Board, and informed consent will be obtained from parents or legal guardians before participant enrollment.

Studietyp

Interventionell

Inskrivning (Beräknad)

990

Fas

  • Inte tillämpbar

Kontakter och platser

Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.

Studiekontakt

Studera Kontakt Backup

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

  • Barn
  • Vuxen
  • Äldre vuxen

Tar emot friska volontärer

Ja

Beskrivning

Inclusion Criteria:

  • All selected households in the South Sodo, Sodo, Silti, and East Silti districts with children 1-9 years of age.
  • Participants who have lived in the area for at least six months before the study.
  • Mothers or caregivers who give informed consent to participate in the study.

Exclusion Criteria:

  • Mothers or caregivers who are critically ill at the time of data collection,
  • Children with severe ocular disease that prevents accurate assessment of active trachoma,
  • Households planning permanent relocation

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Primärt syfte: Förebyggande
  • Tilldelning: Randomiserad
  • Interventionsmodell: Parallellt uppdrag
  • Maskning: Enda

Vapen och interventioner

Deltagargrupp / Arm
Intervention / Behandling
Experimentell: Intervention Group: Participants receive routine health care services in addition to a structured hy

This intervention is distinguished from other trachoma prevention interventions by its comprehensive, theory driven, and behavior focused approach. Unlike routine hygiene promotion, which typically provides general health education, this study combines structured behavior change communication with the regular provision of soap and practical hand and face washing demonstrations over a six month period.

The Health Belief Model (HBM), addressing key behavioral constructs including perceived susceptibility, perceived severity, perceived benefits, perceived barriers, cues to action, and self-efficacy, guides the intervention. Educational sessions are tailored to these constructs to promote sustained behavior change among mothers or primary caregivers of children aged 1 to 9 years.

Aktiv komparator: Control group receive routine health care services
Participants receive routine health care services without additional behavioral intervention

This intervention is distinguished from other trachoma prevention interventions by its comprehensive, theory driven, and behavior focused approach. Unlike routine hygiene promotion, which typically provides general health education, this study combines structured behavior change communication with the regular provision of soap and practical hand and face washing demonstrations over a six month period.

The Health Belief Model (HBM), addressing key behavioral constructs including perceived susceptibility, perceived severity, perceived benefits, perceived barriers, cues to action, and self-efficacy, guides the intervention. Educational sessions are tailored to these constructs to promote sustained behavior change among mothers or primary caregivers of children aged 1 to 9 years.

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
The effect of hand and face washing with soap on active trachoma
Tidsram: Outcome will be assessed at baseline and 6 months after initiation of the intervention. Thus, each participant will be followed and assessed over a 6-month period, with the final outcome assessment conducted at approximately 6 months after baseline.
Active trachoma will be assessed among children aged 1 to 9 years through clinical examination of both eyes using the WHO simplified trachoma grading system. Each eye will be examined separately for the presence or absence of trachomatous inflammation-follicular (TF) and trachomatous inflammation-intense (TI). TF will be defined as the presence of five or more follicles, each at least 0.5 mm in diameter, in the central upper tarsal conjunctiva. TI will be defined as pronounced inflammatory thickening of the upper tarsal conjunctiva that obscures more than half of the normal deep tarsal vessels. For each eye, TF and TI will be recorded as 1 = Yes (present) and 0 = No (absent). Active trachoma will be considered present if TF and/or TI is present in either eye.
Outcome will be assessed at baseline and 6 months after initiation of the intervention. Thus, each participant will be followed and assessed over a 6-month period, with the final outcome assessment conducted at approximately 6 months after baseline.

Sekundära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
The effect of hand and face washing with soap on active trachoma
Tidsram: The secondary outcome will be assessed at baseline and again 6 months after initiation of the intervention to determine changes in hand and face-washing practices over the intervention period.
Change in hand and face-washing practices will be assessed using a 9-item structured questionnaire measuring adherence to recommended hand and face-washing behaviors. Each item will be scored as 1 (practice performed) or 0 (practice not performed).
The secondary outcome will be assessed at baseline and again 6 months after initiation of the intervention to determine changes in hand and face-washing practices over the intervention period.

Samarbetspartners och utredare

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Utredare

  • Studierektor: Higemengist Astatkie, Ph.D., Bahir Dar University, Collage of Medicine and Health science

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart (Beräknad)

20 oktober 2026

Primärt slutförande (Beräknad)

20 februari 2027

Avslutad studie (Beräknad)

20 februari 2027

Studieregistreringsdatum

Först inskickad

7 augusti 2026

Först inskickad som uppfyllde QC-kriterierna

11 augusti 2026

Första postat (Faktisk)

17 augusti 2026

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

17 augusti 2026

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

11 augusti 2026

Senast verifierad

1 augusti 2026

Mer information

Termer relaterade till denna studie

Andra studie-ID-nummer

  • 6060/2026

Plan för individuella deltagardata (IPD)

Planerar du att dela individuella deltagardata (IPD)?

JA

IPD-planbeskrivning

De-identified individual participant data, including baseline characteristics, intervention allocation, outcome measures, and relevant covariates, will be made available upon reasonable request to the corresponding author after publication of the primary results. Data will be shared with qualified researchers who submit a scientifically sound proposal, in accordance with ethical and confidentiality requirements.

Tidsram för IPD-delning

After publication of the main finding

IPD-delning som stöder informationstyp

  • STUDY_PROTOCOL
  • SAV
  • CSR

Läkemedels- och apparatinformation, studiedokument

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Nej

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Nej

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