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Effectiveness of soap for maintaining remission of eczema in children with atopic dermatitis - Investigator-Blinded, Randomized, Controlled Trial

Effectiveness of soap for maintaining remission of eczema in children with atopic dermatitis - Investigator-Blinded, Randomized, Controlled Trial - Usefulness of Soap to Atopic dermatitis (USA) study

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000029489
Enrollment
35
Registered
2017-10-20
Start date
2017-11-01
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

atopic dermatitis

Interventions

Participants wash their upper and lower limbs on one side with soap for 5 to 11 weeks. Participants wash their upper and lower limbs on the other side without soap for 5 to 11 weeks.

Sponsors

Hamamatsu University School of Medicine, department of pediatrics
Lead Sponsor
Morimachi Hospital Chutoen General Medical Center
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Children who were diagnosed with atopic dermatitis based on the U.K. Working Party's diagnostic criteria. Patients under 15 years old. Patients whose eczema is controlled on regular application of steroid ointment within 2 days per week (Use of tacrolimus ointment is permitted). Patients who take a bath or shower at least once a day. Patients who agreed to participate in this study in writing.

Exclusion criteria

Exclusion criteria: Patients with obvious left-right difference of eczema before starting intervention. Patients with bathing less than 5 days within the recent one week before registration. Patients with skin infection. Patients whom the doctor assesses ineligible.

Design outcomes

Primary

MeasureTime frame
The difference of absolute change in EASI score from baseline to week 8 between the soap side and the non-soap side.

Secondary

MeasureTime frame
The difference of the mean value of POEM score during intervention between the soap side and the non-soap side. The difference of the total number of times of additional application of steroid ointment during intervention between the soap side and the non-soap side. Evaluation of usefulness of soap by participants(3 stages Likert scale).

Countries

Japan

Contacts

Public ContactNatsume Osamu

Hamamatsu University School of Medicine department of pediatrics

natsumeo@hama-med.ac.jp053-435-2111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026