Evaluate the Efficacy and Safety of D-2570 in Participants With Moderate-to-Severe Plaque Psoriasis

InventisBio

Status and phase: Completed; Phase 2

Conditions: Plaque Psoriasis

Treatments: Drug: Placebo; Drug: D-2570

Study type: Interventional

Funder types: Industry

Identifiers

NCT06278350

D2570-201

Details and patient eligibility

About

This is a randomized, double-blind, placebo-controlled, multicenter clinical trial in participants with moderate-to-severe plaque psoriasis .

Enrollment: 161 patients

Sex: All

Ages: 18 to 70 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

1. Subject voluntarily takes part in the study after being fully informed,signs a written ICF, and agrees to follow procedures specified in the study protocol;
2. Plaque psoriasis assessed by the investigator as suitable for systemic treatment and stable (defined as stable as no significant outbreak of morphological change or disease activity assessed by the investigator) for at least 6 months prior to signing informed consent;
3. During the screening period and before taking the investigational drug for the first time, psoriatic surface area (BSA) ≥10%, PGA score ≥ 3, PASI score ≥ 12;
4. Hematology, Blood chemistry and Urinalysis examination were basically normal.

Exclusion criteria

1. Erythrodermic psoriasis, pustular psoriasis, guttate psoriasis, reverse psoriasis, drug-induced psoriasis;
2. Have other skin lesions that affect the evaluation of treatment outcomes, such as eczema;
3. History of herpes zoster/herpes simplex, or presence of herpes zoster/herpes simplex infection during the screening period;
4. Have a history of tuberculosis, or active tuberculosis, or latent tuberculosis, or suspected clinical manifestations of tuberculosis infection;
5. Other conditions that the investigator considers inappropriate for participation in the study.

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Triple Blind

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161 participants in 4 patient groups, including a placebo group

D-2570 group 1

Experimental group

Description:

D-2570 group 1

Treatment:

Drug: D-2570

D-2570 group 2

Experimental group

Description:

D-2570 group 2

Treatment:

Drug: D-2570

D-2570 group 3

Experimental group

Description:

D-2570 group 3

Treatment:

Drug: D-2570

Placebo group

Placebo Comparator group

Description:

Placebo group

Treatment:

Drug: Placebo