---
title: "Wolwo Pharma has obtained clinical trial approval for the dermatitis diagnostic patch 02"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/240810958.md"
description: "Wolwo Pharma has received approval from the National Medical Products Administration to conduct clinical trials for the \"Dermatitis Diagnostic Patch 02.\" This product is used to assist in the diagnosis of allergic contact dermatitis related to carbamazepine, p-phenylenediamine, and formaldehyde, further expanding the company's product development pipeline in the field of allergic disease diagnosis"
datetime: "2025-05-19T10:08:02.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/240810958.md)
  - [en](https://longbridge.com/en/news/240810958.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/240810958.md)
---

# Wolwo Pharma has obtained clinical trial approval for the dermatitis diagnostic patch 02

According to the Zhitong Finance APP, Wolwo Pharma (300357.SZ) announced that it has recently downloaded the "Drug Clinical Trial Approval Notice" (Notice Number: 2025LP01362, 2025LP01363, 2025LP01364) from the official service portal of the National Medical Products Administration. The clinical trial application for the "Dermatitis Diagnostic Patch 02" (hereinafter referred to as "the product") submitted by the company has been approved.

The "Dermatitis Diagnostic Patch 02" is used in patch testing to assist in the diagnosis of allergic contact dermatitis related to sensitization by carba mix, paraphenylenediamine, and formaldehyde. Allergic contact dermatitis is classified as a Type IV (delayed-type) allergic reaction. This product further expands the company's product development pipeline in the field of allergic disease diagnosis and is expected to meet the allergen testing needs of more patients with different types of allergic diseases

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