A Clinical Trial of TQH2929 Injection in Patients With Acute Flare-up of Generalized Pustular Psoriasis
A Multicenter, Randomized, Double-blind, Placebo-controlled Phase II Clinical Trial Evaluating the Efficacy and Safety of TQH2929 Injection in Patients With Acute Exacerbations of Generalized Pustular Psoriasis
1 other identifier
interventional
36
1 country
32
Brief Summary
This is a multicenter, randomized, double-blind, placebo-controlled phase II clinical study, all subjects need to use TQH2929 injection/placebo. The aim was to demonstrate the efficacy and safety of TQH2929 injection in patients with acute exacerbations of generalized pustular psoriasis, with a total of 36 subjects.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_2
Started Mar 2026
Shorter than P25 for phase_2
32 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
December 15, 2025
CompletedFirst Posted
Study publicly available on registry
January 2, 2026
CompletedStudy Start
First participant enrolled
March 19, 2026
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
July 1, 2027
March 24, 2026
October 1, 2025
9 months
December 15, 2025
March 20, 2026
Conditions
Outcome Measures
Primary Outcomes (1)
Percentage of patients with a score of 0 for the pustule subterm
Percentage of patients with a Physician's Global Assessment of Generalized Pustular Psoriasis (GPPGA) pustular subitem of 0 (no visible pustules) at week 1 among all enrolled patients.
1 week
Secondary Outcomes (19)
Percentage of patients with a Generalized Pustular Psoriasis Physician Global Assessment(GPPGA) total score of 0 or 1
1 week and 4 weeks
Percentage change from baseline in Generalized Pustular Psoriasis Area and Severity Index (GPPASI) total score
1 week and 4 weeks
Change from baseline in Generalized Pustular Psoriasis Area and Severity Index(GPPASI) total score
1 week and 4 weeks
Percentage of patients with Generalized Pustular Psoriasis Area and Severity Index(GPPASI) 50
1 week and 4 weeks
Percentage of patients with Generalized Pustular Psoriasis Area and Severity Index(GPPASI) 75
1 week and 4 weeks
- +14 more secondary outcomes
Study Arms (2)
TQH2929 Injections
EXPERIMENTALIntravenous infusion, single dose
TQH2929 Placebo
PLACEBO COMPARATORIntravenous infusion, single dose
Interventions
TQH2929 is a humanized monoclonal antibody that interfering with the signal cascade.
Eligibility Criteria
You may qualify if:
- Age ≥ 18 or ≤75 years old at screening, regardless of gender;
- Meet the diagnostic criteria defined by the 2017 European Society for Clinical Nutrition and Metabolism (ESPEN) Research Workshop (ERASPEN) consensus and be diagnosed as (generalized pustular psoriasis(GPP);
- Compliant with GPP acute onset;
- Able to read and understand, and willing to sign the informed consent form;
- Willing and compliant with study visits and related procedures;
- Female subjects of childbearing age should agree that contraceptive measures must be used during the study and for 6 months after the end of the study;
You may not qualify if:
- Pustules are limited to psoriasis vulgaris on psoriasis plaques;
- Concomitant skin disease or medical disease that may interfere with the investigator's evaluation of the subject's treatment response;
- Presence of severe, progressive, or uncontrolled disease, or signs and symptoms that are not suitable for participation in the investigator, in the judgment of the investigator:
- Serum virological abnormalities during the screening period;
- Chest radiology examination shows that the subject has active tuberculosis or a history of contact with open tuberculosis subjects in the past 6 months or a positive Interferon-Gamma Release Assays(IGRA) test;
- History of serious infection leading to hospitalization within 2 months prior to baseline;
- Active infection requiring systemic antibiotics, systemic antifungals, or systemic antiviral therapy within 2 weeks prior to baseline, according to the investigator's assessment;
- History of opportunistic infection within 6 months prior to baseline;
- Received live (attenuated) vaccine treatment within 12 weeks prior to baseline;
- Any major surgery within 4 weeks prior to baseline or planned major surgery during the study;
- Received blood transfusion within 4 weeks prior to baseline;
- Participated in clinical trials of other drugs or medical devices within 4 weeks before baseline;
- Any known or suspected congenital or acquired immunodeficiency state or condition that may compromise the subject's immune status;
- Subjects with any type of active malignancy or a history of malignancy;
- Alcohol, drug and known drug dependence;
- +2 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (32)
Peking University First Hospita
Beijing, Beijing Municipality, 100034, China
Peking University Third Hospital
Beijing, Beijing Municipality, 100191, China
The First Affiliated Hospital of Fujian Medical University
Fuzhou, Fujian, 350000, China
Southern Medical University Dermatology Hospital
Guangzhou, Guangdong, 510091, China
Sun Yat-sen Memorial Hospital, Sun Yat-sen University
Guangzhou, Guangdong, 510120, China
The Affiliated Hospital of Guizhou Medical University
Guiyang, Guizhou, 550004, China
The Second Hospital Of Hebei Medical University
Shijiazhuang, Hebei, 050000, China
The Second Affiliated Hospital of Henan University of science and technology
Luoyang, Henan, 471000, China
Zhengzhou Central Hospital
Zhengzhou, Henan, 450000, China
Henan Provincial People's Hospital
Zhengzhou, Henan, 450003, China
The fifth Affiliated hospital of zhengzhou university
Zhengzhou, Henan, 450052, China
Shiyan Renmin Hospital
Shiyan, Hubei, 442000, China
Renmin Hospital of Wuhan University
Wuhan, Hubei, 430060, China
The First Hospital of Hunan University of Chinese Medicine
Changsha, Hunan, 410007, China
Xiangya Hospital of Central South University
Changsha, Hunan, 410008, China
The General Hospital Of Hunan University Of Medicine
Huaihua, Hunan, 41800, China
The first hospital of jilin university
Changchun, Jilin, 130012, China
The first hospital of china medical university
Shenyang, Liaoning, 110001, China
Shandong First Medical University Affiliated Dermatology Hospital
Jinan, Shandong, 250022, China
Shanghai Skin Disease Hospital
Shanghai, Shanghai Municipality, 200443, China
The Second Affiliated Hospital of Xi'an Jiaotong University
Xi’an, Shanxi, 710061, China
Chengdu Second People's Hospital
Chengdu, Sichuan, 610000, China
Sichuan Provincial People' s Hospital
Chengdu, Sichuan, 610000, China
The Affiliated Hospital of Southwest Medical University
Luzhou, Sichuan, 646000, China
The Affiliated Hospital of Southwest Medical University
Luzhou, Sichuan, 646000, China
Tianjin Medical University General Hospital
Tianjin, Tianjin Municipality, 300052, China
Tianjin Academy of Traditional Chinese Medicine Affiliated Hospital
Tianjin, Tianjin Municipality, 300120, China
People's Hospital of Xinjiang Uygur Autonomous Region
Ürümqi, Xinjiang, 830001, China
The First Affiliated Hospital of Xinjiang Medical University
Ürümqi, Xinjiang, 830013, China
The First Affiliated Hospital of Kunming Medical University
Kunming, Yunnan, 650032, China
Jiaxing First Hospital
Jiaxing, Zhejiang, 314001, China
The first affiliated hospital of ningbo university
Ningbo, Zhejiang, 315020, China
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
December 15, 2025
First Posted
January 2, 2026
Study Start
March 19, 2026
Primary Completion (Estimated)
December 1, 2026
Study Completion (Estimated)
July 1, 2027
Last Updated
March 24, 2026
Record last verified: 2025-10