A Clinical Trial of TQH2929 Injection in Patients With Acute Flare-up of Generalized Pustular Psoriasis

Trial statusRecruiting
Trial phasePhase 2
Trial typeInterventional
Biological sexAll
Age18-75
SponsorChia Tai Tianqing Pharmaceutical Group Co., Ltd.

About this trial

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.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

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;

Disqualifiers

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;

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;

Trial design

Design model

Parallel

Treatments tested in this trial

  • TQH2929 Injections

    Drug

    TQH2929 is a humanized monoclonal antibody that interfering with the signal cascade.

  • TQH2929 Placebo

    Drug

    Placebo contains no active substance.

Treatment groups

36 Participants
are divided into 2 treatment groups
Group A: TQH2929 InjectionsExperimental treatment 1 intervention
Group B: TQH2929 PlaceboPlacebo comparator 1 intervention

Trial outcomes

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.

Time frame
1 week

Secondary outcomes

1

Percentage of patients with a Generalized Pustular Psoriasis Physician Global Assessment(GPPGA) total score of 0 or 1

Percentage of patients with a total Generalized Pustular Psoriasis Physician Global Assessment (GPPGA) score of 0 (clear) or 1 (almost clear) at weeks 1 and 4.

Time frame
1 week and 4 weeks
2

Percentage change from baseline in Generalized Pustular Psoriasis Area and Severity Index (GPPASI) total score

Percentage change from baseline in the total score of generalized pustular psoriasis area and severity index (GPPASI) at week 1 and week 4.

Time frame
1 week and 4 weeks
3

Change from baseline in Generalized Pustular Psoriasis Area and Severity Index(GPPASI) total score

Change from baseline in Generalized Pustular Psoriasis Area and Severity Index(GPPAS) total score at week 1 and week 4. If lower than the baseline score, indicate a certain degree of disease relief; conversely, if higher, it indicates an aggravation of the disease symptoms.

Time frame
1 week and 4 weeks
4

Percentage of patients with Generalized Pustular Psoriasis Area and Severity Index(GPPASI) 50

Percentage of patients who achieved Generalized Pustular Psoriasis Area and Severity Index(GPPASI) 50 at week 1 and week 4.

Time frame
1 week and 4 weeks

Other outcomes

Sponsors and contacts

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