A Phase 2 Study of Efficacy and Safety of AK111 in Subjects With Moderate-to-Severe Psoriasis

NCT ID: NCT05096364

Last Updated: 2025-02-28

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

251 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-04-28

Study Completion Date

2023-02-03

Brief Summary

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This is a randomized, double-blind, placebo-controlled, multi-center Phase II clinical study to evaluate the efficacy and safety of AK111 for the treatment of moderate to severe plaque psoriasis.

Detailed Description

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This is a randomized, double-blind, placebo-controlled, multi-center Phase II clinical study to evaluate the efficacy and safety of AK111 in subjects with moderate to severe plaque psoriasis. The study will consist of 4 periods: up to 4 weeks screening period, 12 weeks placebo-controlled period,12 weeks crossover treatment period,44 weeks long-term treatment period.

Conditions

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Psoriasis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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AK111 Regimen 1

AK111 Regimen 1 - subcutaneous injection every 4 weeks up to 60 weeks

Group Type EXPERIMENTAL

AK111/Placebo

Intervention Type BIOLOGICAL

After loading dose, investigational drug was administered subcutaneously up to 60 weeks.

AK111 Regimen 2

AK111 Regimen 2 - subcutaneous injection every 4 weeks up to 60 weeks

Group Type EXPERIMENTAL

AK111/Placebo

Intervention Type BIOLOGICAL

After loading dose, investigational drug was administered subcutaneously up to 60 weeks.

AK111 Regimen 3

AK111 Regimen 3 - subcutaneous injection every 4 weeks up to 60 weeks

Group Type EXPERIMENTAL

AK111/Placebo

Intervention Type BIOLOGICAL

After loading dose, investigational drug was administered subcutaneously up to 60 weeks.

AK111 Regimen 4

AK111 Regimen 4 - subcutaneous injection every 4 weeks up to 60 weeks

Group Type EXPERIMENTAL

AK111/Placebo

Intervention Type BIOLOGICAL

After loading dose, investigational drug was administered subcutaneously up to 60 weeks.

Placebo to AK111

Placebo to AK111-Placebo subcutaneous injection, then 1:1 randomized to AK111 Regimen 3 or Regimen 4 at week 12

Group Type PLACEBO_COMPARATOR

AK111/Placebo

Intervention Type BIOLOGICAL

After loading dose, investigational drug was administered subcutaneously up to 60 weeks.

Interventions

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AK111/Placebo

After loading dose, investigational drug was administered subcutaneously up to 60 weeks.

Intervention Type BIOLOGICAL

Eligibility Criteria

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Inclusion Criteria

1. Male or female, 18 to 75 years of age
2. Moderate to severe plaque-type psoriasis diagnosed for at least 6 months
3. Moderate-to-severe plaque psoriasis as defined at baseline by meeting all three criteria:

1. Clinical diagnosis of stable plaque psoriasis with involvement of ≥ 10% body surface area.
2. Psoriasis area and severity index(PASI) ≥12.
3. Static Physicians Global Assessment score ≥3.
4. Subjects with a history of an inadequate response, intolerable or medically inappropriate use of systemic therapy and/or phototherapy.
5. Subjects who are women of childbearing potential must have a negative urine pregnancy test at screening and must be practicing an adequate, medically acceptable method of birth control for at least 8 months after the last study drug administration.

Exclusion Criteria

1. Forms of psoriasis other than chronic plaque-type psoriasis.
2. History or evidence of active TB, Patients with evidence of latent tuberculosis may enter the trial after sufficient treatment according to protocol.
3. Positive results of confirmatory serology test for hepatitis B, hepatitis C, HIV or syphilis at screening.
4. History of a serious or systemic infection within 2 months before screening.
5. History of malignancy of any organ system within the past 5 years.
6. Inadequate washout period for prior drug therapy.
7. Previous use of secukinumab, ixekizumab or any other drug that targets IL-17 or IL-17 receptor.
8. Any medical conditions, in the opinion of the Investigator or the Sponsor's medical monitor, would place the subject at risk, interfere with study participation or study results interpretation.
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Akeso

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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AkesoBio Investigative Site 1011

Bengbu, Anhui, China

Site Status

AkesoBio Investigative Site 1009

Beijing, Beijing Municipality, China

Site Status

AkesoBio Investigative Site 1016

Beijing, Beijing Municipality, China

Site Status

AkesoBio Investigative Site 1003

Guangzhou, Guangdong, China

Site Status

AkesoBio Investigative Site 1007

Guangzhou, Guangdong, China

Site Status

AkesoBio Investigative Site 1012

Chengde, Hebei, China

Site Status

AkesoBio Investigative Site 1018

Harbin, Heilongjiang, China

Site Status

AkesoBio Investigative Site 1008

Changsha, Hunan, China

Site Status

AkesoBio Investigative Site 1013

Yancheng, Jiangsu, China

Site Status

AkesoBio Investigative Site 1001

Shanghai, Shanghai Municipality, China

Site Status

AkesoBio Investigative Site 1010

Shanghai, Shanghai Municipality, China

Site Status

AkesoBio Investigative Site 1002

Hanzhou, Zhejiang, China

Site Status

AkesoBio Investigative Site 1006

Ningbo, Zhejiang, China

Site Status

Countries

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China

Other Identifiers

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AK111-201

Identifier Type: -

Identifier Source: org_study_id

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