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A Phase 3 Study of Efficacy and Safety of AK101 in Subjects With Psoriasis

Phase 3
Completed
Conditions
Psoriasis Vulgaris
Interventions
Drug: Placebo
Registration Number
NCT05120297
Lead Sponsor
Akeso
Brief Summary

This is a randomized, double-blind, placebo-controlled, multicentered phase III clinical study to evaluate the efficacy and safety of AK101 in the treatment of subjects with moderate-to-severe plaque psoriasis.

Detailed Description

This is a randomized, double-blind, placebo-controlled, multicenter phase III clinical study. The purpose of this study is to evaluate the efficacy and safety of AK101 in the treatment of subjects with moderate-to- severe plaque psoriasis. Subjects will be randomized to receive AK101 or placebo injection subcutaneously, and follow up to week 16.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
452
Inclusion Criteria
  1. Male or female subjects aged ≥ 18 years.
  2. Subjects diagnosed with moderate-to-severe plaque psoriasis for at least 6 months before screening.
  3. At screening and baseline, PASI score ≥ 12, Body Surface Area BSA (BSA) ≥ 10%, sPGA ≥ 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 pregnancy test at screening and must be practicing an adequate, medically acceptable method of birth control for at least 6 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 had initiated and maintained according to protocol.
  3. Positive results of confirmatory test for hepatitis B, hepatitis C, human immunodeficiency virus (HIV) or syphilis.
  4. History of repeated chronic infection, had any serious infection or systemic infection within 2 months before screening.
  5. History of prohibited psoriasis treatments within 2/4 weeks before randomization.
  6. History of IL12/23 or IL-23 inhibitors therapy.
  7. Inadequate washout period of prior biological therapy.
  8. History of malignant tumour within 5 years before screening.
  9. Any medical or psychiatric condition, laboratory, or ECG parameter which, in the opinion of the Investigator would place the subject at risk, interfere with participation or interpretation of the study.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
AK101AK101-
PlaceboPlacebo-
Primary Outcome Measures
NameTimeMethod
Percentage of subjects who achieved at least 75% (PASI 75) reduction in psoriasis area and severity index (PASI) score from baseline.At week 16
Percentage of subjects who achieved static physician global assessment (sPGA) clearance or very slight (0/1).At week 16
Secondary Outcome Measures
NameTimeMethod
PK: AK101 serum concentration at different time points after administration.Baseline to week 16
Immunogenicity assessment: number and percentage of subjects with detectable anti-AK101 antibody (ADA).Baseline to week 16
Safety: Treatment Emergent Adverse Events (TEAEs), Serious Adverse Events (SAE).Baseline to week 16
Percentage of subjects who achieved at least 50% (PASI 50), 75% (PASI75, except week 16) and 90% (PASI 90) reduction in PASI score at each visit.Baseline to week 16
Percentage change of PASI from baseline.Baseline to week 16
Percentage of subjects who achieved sPGA 0/1 at each visit.Baseline to week 16

Trial Locations

Locations (52)

AkesoBio Investigative Site 1028

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Hefei, Anhui, China

AkesoBio Investigative Site 1013

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Wuhu, Anhui, China

AkesoBio Investigative Site 1027

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Beijing, Beijing, China

AkesoBio Investigative Site 1034

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Beijing, Beijing, China

AkesoBio Investigative Site 1041

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Chongqing, Chongqing, China

AkesoBio Investigative Site 1036

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Beijing, Beijing, China

AkesoBio Investigative Site 1049

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Beijing, Beijing, China

AkesoBio Investigative Site 1024

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Guangzhou, Guangdong, China

AkesoBio Investigative Site 1039

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Guiyang, Guizhou, China

AkesoBio Investigative Site 1025

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Chengde, Hebei, China

AkesoBio Investigative Site 1004

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Wuhan, Hubei, China

AkesoBio Investigative Site 1017

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Shijiazhuang, Hebei, China

AkesoBio Investigative Site 1033

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Nanyang, Henan, China

AkesoBio Investigative Site 1045

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Zhengzhou, Henan, China

AkesoBio Investigative Site 1052

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Lianyungang, Jiangsu, China

AkesoBio Investigative Site 1029

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Nanjing, Jiangsu, China

AkesoBio Investigative Site 1020

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Nanchang, Jiangxi, China

AkesoBio Investigative Site 1032

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Changchun, Jilin, China

AkesoBio Investigative Site 1008

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Dalian, Liaoning, China

AkesoBio Investigative Site 1038

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Jinan, Shandong, China

AkesoBio Investigative Site 1044

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Yinchuan, Ningxia, China

AkesoBio Investigative Site 1005

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Shanghai, Shanghai, China

AkesoBio Investigative Site 1011

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Chengdu, Sichuan, China

AkesoBio Investigative Site 1016

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Suining, Sichuan, China

AkesoBio Investigative Site 1040

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Tianjin, Tianjin, China

AkesoBio Investigative Site 1037

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Kunming, Yunnan, China

AkesoBio Investigative Site 1010

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Bengbu, Anhui, China

AkesoBio Investigative Site 1001

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Beijing, Beijing, China

AkesoBio Investigative Site 1035

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Beijing, Beijing, China

AkesoBio Investigative Site 1051

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Beijing, Beijing, China

AkesoBio Investigative Site 1007

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Guangzhou, Guangdong, China

AkesoBio Investigative Site 1021

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Guangzhou, Guangdong, China

AkesoBio Investigative Site 1018

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Shenzhen, Guangdong, China

AkesoBio Investigative Site 1030

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Shenzhen, Guangdong, China

AkesoBio Investigative Site 1023

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Shenzhen, Guangdong, China

AkesoBio Investigative Site 1012

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Nanning, Guangxi, China

AkesoBio Investigative Site 1031

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Shijiazhuang, Hebei, China

AkesoBio Investigative Site 1014

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Harbin, Heilongjiang, China

AkesoBio Investigative Site 1006

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Changsha, Hunan, China

AkesoBio Investigative Site 1015

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Yancheng, Jiangsu, China

AkesoBio Investigative Site 1026

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Changsha, Hunan, China

AkesoBio Investigative Site 1009

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Xuzhou, Jiangsu, China

AkesoBio Investigative Site 1019

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Nanchang, Jiangxi, China

AkesoBio Investigative Site 1048

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Shenyang, Liaoning, China

AkesoBio Investigative Site 1047

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Changchun, Jilin, China

AkesoBio Investigative Site 1050

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Hohhot, Neimenggu, China

AkesoBio Investigative Site 1042

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Jinan, Shandong, China

AkesoBio Investigative Site 1046

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Taiyuan, Shanxi, China

AkesoBio Investigative Site 1043

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Qingdao, Shandong, China

AkesoBio Investigative Site 1003

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Hangzhou, Zhejiang, China

AkesoBio Investigative Site 1002

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Hangzhou, Zhejiang, China

AkesoBio Investigative Site 1022

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Hangzhou, Zhejiang, China

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