New drug ICP-332 aims to soothe stubborn hives when antihistamines fail
NCT ID NCT07378527
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests an experimental pill called ICP-332 in 344 adults with moderate to severe chronic spontaneous urticaria (hives) that antihistamines can't control. Participants will take the drug or a placebo for 12 or 24 weeks. The main goal is to see if the drug reduces itching and hives better than placebo.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- ICP-332 tablets
- What this could lead to
- If successful, this could provide a new oral treatment option for people with chronic hives that don't respond well to standard antihistamines.
- What could go wrong
- This is an early-to-mid stage trial (Phase 2/3) with 344 participants. The drug may not prove more effective than placebo, and side effects are still being studied.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2/3
Runs two stages together: whether the treatment works, then large-scale confirmation.
- Participants
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About 344 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Feb 2026
- Expected to finish
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Sep 2028
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 75 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * 1\. Men and women aged 18 to 75 years. * 2\. Diagnosis of CSU inadequately controlled by second generation H1-antihistamines. * 3\. CSU duration for ≥ 6 months prior to randomization. * 4\. Before initiating any screening or study-specific procedures, the subject must voluntarily sign the informed consent form. Exclusion Criteria: * 1\. Having the other medical conditions related to CSU or other skin diseases/conditions. * 2\. Potential medical conditions or issues. * 3\. Pregnant female subjects or lactating female subjects. * 4\. The investigator determines that the subject is unsuitable for participating in this study for any reason.
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Get notified about this study
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
30 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University
NOT_YET_RECRUITINGHangzhou, Zhejiang, China
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Affiliated Hospital of Jiangsu University
NOT_YET_RECRUITINGZhenjiang, Jiangsu, 210031, China
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Beijing Tongren Hospital, Capital Medical University
NOT_YET_RECRUITINGBeijing, Beijing Municipality, 100730, China
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Bengbu Medical University First Affiliated Hospital
NOT_YET_RECRUITINGBengbu, Anhui, 233004, China
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Chengdu Second People's Hospital
NOT_YET_RECRUITINGChengdu, Sichuan, 610017, China
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Chongqing Traditional Chinese Medicine Hospital
NOT_YET_RECRUITINGChongqing, Chongqing Municipality, 400021, China
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Dermatology Hospital of Southern Medical University
NOT_YET_RECRUITINGGuangzhou, Guangdong, 510091, China
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First Affiliated Hospital of Fujian Medical University
NOT_YET_RECRUITINGFuzhou, Fujian, 350005, China
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First Hospital of Shanxi Medical University
NOT_YET_RECRUITINGTaiyuan, Shanxi, 030001, China
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Hangzhou Third People's Hospital
NOT_YET_RECRUITINGHangzhou, Zhejiang, 310009, China
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Henan Provincial People's Hospital
NOT_YET_RECRUITINGZhengzhou, Henan, 450003, China
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Jinan Central Hospital
NOT_YET_RECRUITINGJinan, Shandong, 250013, China
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Jingzhou Central Hospital
NOT_YET_RECRUITINGJingzhou, Hubei, 434020, China
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Peking University People's Hospital
RECRUITINGBeijing, Beijing Municipality, 100044, China
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Shandong Provincial Hospital for Skin Disease, Shandong First Medical University
NOT_YET_RECRUITINGJinan, Shandong, 250022, China
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Shanghai Skin Disease Hospital
NOT_YET_RECRUITINGShanghai, Shanghai Municipality, 200443, China
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Shenyang Hospital of Integrated Traditional Chinese and Western Medicine (Shenyang Seventh People's Hospital)
NOT_YET_RECRUITINGShenyang, Liaoning, 110001, China
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Shiyan Taihe Hospital
NOT_YET_RECRUITINGShiyan, Hubei, 442000, China
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Sichuan Academy of Medical Sciences&Sichuan Provincial People's Hospital
NOT_YET_RECRUITINGChengdu, Sichuan, 610072, China
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Suzhou Municipal Hospital
NOT_YET_RECRUITINGSuzhou, Jiangsu, 215002, China
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The First Affiliated Hospital of Chongqing Medical University
NOT_YET_RECRUITINGChongqing, Chongqing Municipality, 400016, China
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The First Affiliated Hospital of Kunming Medical University
NOT_YET_RECRUITINGKunming, Yunnan, 650032, China
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The First Affiliated Hospital of Xi'an Jiaotong University
NOT_YET_RECRUITINGXi'an, Shaanxi, 710061, China
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The First Hospital of Jilin University
NOT_YET_RECRUITINGChangchun, Jilin, 130021, China
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The Second Affiliated Hospital of Henan University of Science and Technology
NOT_YET_RECRUITINGLuoyang, Henan, China
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The Second Affiliated Hospital of Wannan Medical College
NOT_YET_RECRUITINGWuhu, Anhui, 241000, China
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The Second Hospital of Hebei Medical University
NOT_YET_RECRUITINGShijiazhuang, Hebei, 050000, China
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Tianjin Academy of Traditional Chinese Medicine Affiliated Hospital
NOT_YET_RECRUITINGTianjin, Tianjin Municipality, 300131, China
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Wuxi No. 2 People's Hospital
NOT_YET_RECRUITINGWuxi, Jiangsu, 214001, China
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Xiangya hospital central south university
NOT_YET_RECRUITINGChangsha, Hunan, 410008, China
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