| Unique ID issued by UMIN | UMIN000062395 |
|---|---|
| Receipt number | R000071375 |
| Scientific Title | Real-World Safety and Exploratory Effectiveness of Adjunctive Use of a Japanese Quasi-Drug Skin Lotion, Product A, in Patients with Atopic Dermatitis |
| Date of disclosure of the study information | 2026/07/29 |
| Last modified on | 2026/07/29 22:31:01 |
Real-World Safety and Exploratory Effectiveness of Adjunctive Use of a Japanese Quasi-Drug Skin Lotion, Product A, in Patients with Atopic Dermatitis
Real-World Safety and Exploratory Effectiveness of Adjunctive Use of a Japanese Quasi-Drug Skin Lotion, Product A, in Patients with Atopic Dermatitis
Real-World Safety and Exploratory Effectiveness of Adjunctive Use of a Japanese Quasi-Drug Skin Lotion, Product A, in Patients with Atopic Dermatitis
Real-world Evaluation of Adjunctive Lotion use in Atopic Dermatitis
| Japan |
Atopic dermatitis
| Clinical immunology | Dermatology |
Others
NO
To exploratorily evaluate the real-world safety of adjunctive use of Product, which is classified as a quasi-drug under the Pharmaceuticals and Medical Devices Act of Japan, as well as changes in skin condition, pruritus, and related outcome measures, in patients with atopic dermatitis receiving standard treatment.
Safety
Exploratory
Not applicable
Change in the Eczema Area and Severity Index (EASI) score from baseline to Week 24
1. Change from baseline in the Eczema Area and Severity Index (EASI) score at Weeks 4, 8, 12, and 24
2. Change from baseline in the pruritus Numerical Rating Scale (NRS) score at Weeks 4, 8, 12, and 24
3. Change from baseline in serum thymus and activation-regulated chemokine (TARC) levels at Weeks 4, 8, 12, and 24
4. Change from baseline in total serum immunoglobulin E (IgE) levels at Weeks 4, 8, 12, and 24
5. Proportion of participants experiencing adverse events
6. Proportion of participants requiring initiation of rescue treatment and proportion requiring modification of treatment
Interventional
Parallel
Randomized
Individual
Open -no one is blinded
Active
2
Treatment
| Other |
Product A will be used for 6 months in this study. Participants will apply the product uniformly to the face, trunk, and extremities twice daily, in the morning and after bathing. The recommended amount per application will be 0.4 mL/kg body weight; for example, a participant weighing 50 kg will use approximately 20 mL per application.
Standard-treatment continuation group without Product A
| 18 | years-old | <= |
| Not applicable |
Male and Female
1. Patients aged 18 years or older with atopic dermatitis
2. Individuals who have provided written informed consent to participate in the study
1. Patients with a concomitant skin infection at the time of enrollment that is considered likely to materially affect study assessments
2. Patients whose topical treatment for atopic dermatitis has been substantially changed within 2 weeks before enrollment
3. Patients in whom systemic treatment for atopic dermatitis, including systemic corticosteroids, immunosuppressants, biologic agents, or Janus kinase (JAK) inhibitors, has been initiated or increased in dose within 4 weeks before enrollment
4. Patients scheduled to initiate or increase the dose of any of the above systemic treatments during the study period
5. Patients with a history of hypersensitivity to any component of Product A
6. Patients who are pregnant, breastfeeding, or planning to become pregnant during the study period and are considered unsuitable for participation by the principal investigator or a sub-investigator
7. Patients otherwise considered unsuitable for participation in the study by the principal investigator or a sub-investigator
136
| 1st name | Kentaro |
| Middle name | |
| Last name | Watai |
Kindai University Faculty of Medicine
Department of Preventive Medicine and Behavioral Sciences
5900197
1-14-1 Miharadai, Minami-ku, Sakai, Osaka, Japan
0722887222
watai@med.kindai.ac.jp
| 1st name | Kentaro |
| Middle name | |
| Last name | Watai |
Kindai University Faculty of Medicine
Department of Preventive Medicine and Behavioral Sciences
5900197
1-14-1 Miharadai, Minami-ku, Sakai, Osaka, Japan
0722887222
watai@med.kindai.ac.jp
Kindai university
Other
Profit organization
Kindai University Faculty of Medicine
1-14-1 Miharadai, Minami-ku, Sakai, Osaka, Japan
0722887222
watai@med.kindai.ac.jp
NO
近畿大学病院(大阪府)、湘南鎌倉総合病院(神奈川県)
| 2026 | Year | 07 | Month | 29 | Day |
Unpublished
Open public recruiting
| 2026 | Year | 07 | Month | 09 | Day |
| 2026 | Year | 07 | Month | 22 | Day |
| 2026 | Year | 07 | Month | 28 | Day |
| 2027 | Year | 06 | Month | 30 | Day |
| 2026 | Year | 07 | Month | 29 | Day |
| 2026 | Year | 07 | Month | 29 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000071375