A Phase 2 Study of ZL-1102 in Patients With Chronic Plaque Psoriasis

A Randomized, Double-Blind, Vehicle-Controlled, Multicenter, Dose-Ranging, Phase 2 Study to Evaluate the Efficacy and Safety of Different Doses of ZL-1102 Topical Gel (A Human VH IL-17A Antibody Fragment) in the Treatment of Chronic Plaque Psoriasis

A Randomized, Double-Blind, Vehicle-Controlled, Multicenter, Dose-Ranging, Phase 2 Study to Evaluate the Efficacy and Safety of Different Doses of ZL-1102 Topical gel (A Human VH IL-17A Antibody Fragment) in the Treatment of Chronic Plaque Psoriasis

Study Overview

• Status: Not yet recruiting
• Conditions: Plaque Psoriasis
• Intervention / Treatment: Drug: ZL-1102 1% w/w gel BID for 16 weeks; Drug: ZL-1102 3% w/w gel BID for 16 weeks; Drug: ZL-1102 3% w/w gel QD for 16 weeks; Drug: Placebo ZL-1102 0% w/w gel BID for 16 weeks; Drug: Placebo ZL-1102 0% w/w gel QD for 16 weeks

Detailed Description

This is a randomized, double-blind, vehicle-controlled, dose-ranging, phase 2 study of ZL-1102 in patients with chronic plaque psoriasis. Approximately 250 patients will be randomized at a ratio of 1:1:1:1:1 to 5 treatment arms for 16 weeks of treatment.

• Study Type: Interventional
• Enrollment (Estimated): 250
• Phase: Phase 2

Contacts and Locations

• Study Contact: Name: Zai Lab 1102-002 Study Team; Phone Number: 857-971-3465; Email: Study-ZL-1102-002@zailaboratory.com

Study Locations

• Australia
  • Australian Capital Territory
    • Phillip, Australian Capital Territory, Australia, 2606
      • Zai Lab Site 5013
  • New South Wales
    • Kotara, New South Wales, Australia, 2289
      • Zai Lab Site 5016
  • Queensland
    • Woolloongabba, Queensland, Australia, 4102
      • Zai Lab Site 5017
  • Victoria
    • Carlton, Victoria, Australia, 3053
      • Zai Lab Site 5014
    • Melbourne, Victoria, Australia, 3124
      • Zai Lab Site 5015
    • Melbourne E., Victoria, Australia
      • Zai Lab Site 5002

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: Adult; Older Adult
• Accepts Healthy Volunteers: No

Description

Inclusion Criteria:

1. Adults ≥ 18 years of age.
2. Willing and able to provide signed and dated informed consent prior to any study-related procedures, and willing and able to comply with all study procedures

3. Clinical diagnosis of psoriasis vulgaris of at least 6 months duration as determined by Investigator via medical records or in medical history obtained from the patient, is currently eligible for topical treatment and meets all the following criteria at screening and baseline:

   1. IGA ≥ 2 (5 score system)
   2. Affected BSA 3%-15% (excluding head)
4. Agree not to have prolonged sun exposure (e.g., recreational) during the study period. Tanning bed use or use of other light-emitting diodes (LEDs) is not allowed.

Exclusion Criteria:

1. Other types of psoriasis dominant other than plaque psoriasis (e.g., psoriatic arthritis, pustular, erythrodermic, guttate, palmar, plantar, scalp or nail disease) or the lesion is not eligible for topical treatment only.
2. Patients with any serious medical/psychiatric condition or clinically significant laboratory abnormality that would prevent study participation or place the patient at significant risk, as determined by the Investigator.

3. Known or suspected:

   1. Severe renal insufficiency or hepatic insufficiency.
   2. History of severe depression or suicidal ideation or behavior within 2 years prior to screening.

4. Positive for any of the following tests at screening:

   1. Human immunodeficiency virus (HIV): HIV antibody
   2. Hepatitis B virus (HBV): hepatitis B surface antigen (HBsAg)/hepatitis B core antibody (HBcAb)/HBV DNA
   3. Hepatitis C virus (HCV): HCV RNA
5. Patients with active tuberculosis (TB) or untreated latent TB per local guidelines.
6. History of and/or concurrent condition of inflammatory bowel disease (IBD) (ulcerative colitis and Crohn's disease), or signs/symptoms of IBD at screening that, in the opinion of the Investigator, pose an unacceptable risk to the patient if participating in the study.
7. History of and/or concurrent condition of serious hypersensitivity (anaphylactic shock or anaphylactoid reaction) to IL-17 antibodies and any human or humanized biological agents.
8. Patients who have a history of malignancy unless deemed cured by adequate treatment with no evidence of recurrence for ≥ 3 years before the initiation of study treatment.
9. Patients with a history of chronic alcohol or drug abuse within 6 months of the initiation of study treatment, as determined by the Investigator.
10. Prior exposure to ZL-1102.
11. Patients who have received a live vaccine within 6 weeks prior to dosing on Day 1.
12. Females who are pregnant, wishing to become pregnant during the study, or are breastfeeding

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Treatment
• Allocation: Randomized
• Interventional Model: Parallel Assignment
• Masking: Quadruple

Number of Arms

5

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Active Comparator: Arm 1; ZL-1102	Drug: ZL-1102 1% w/w gel BID for 16 weeks; ZL-1102 1% w/w gel BID for 16 weeks
Active Comparator: Arm 2; ZL-1102	Drug: ZL-1102 3% w/w gel BID for 16 weeks; ZL-1102 3% w/w gel BID for 16 weeks
Active Comparator: Arm 3; ZL-1102	Drug: ZL-1102 3% w/w gel QD for 16 weeks; ZL-1102 3% w/w gel QD for 16 weeks
Placebo Comparator: Arm 4; Vehicle	Drug: Placebo ZL-1102 0% w/w gel BID for 16 weeks; Vehicle 0% w/w gel BID for 16 weeks
Placebo Comparator: Arm 5; Vehicle	Drug: Placebo ZL-1102 0% w/w gel QD for 16 weeks; Vehicle 0% w/w gel QD for 16 weeks

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Efficacy of different doses of ZL-1102 compared to Vehicle at Week 16.	The proportion of patients achieving mPASI 75 (at least a 75% reduction in mPASI score from baseline) at Week 16.	16 weeks

Secondary Outcome Measures

Outcome Measure	Measure Description	Time Frame
The proportion of patients achieving IGA treatment success.	The proportion of patients achieving IGA treatment success, defined as an IGA score of 0 or 1 with at least a 2-point improvement from baseline at Weeks 2, 4, 8, 12, 16,and 20.	20 Weeks
The proportion of patients achieving IGA score of 0 or 1.	The proportion of patients achieving an IGA score of 0 or 1 at Weeks 2, 4, 8, 12, 16, and 20	20 Weeks
The percent change from baseline in mPASI score.	The percent change from baseline in mPASI score at Weeks 2, 4, 8, 12, 16, and 20.	20 Weeks
Time to achieve IGA score of 0 or 1.	Time to achieve IGA score of 0 or 1 through Week 20.	20 Weeks
Time to achieve 1- or 2-point improvement in IGA.	Time to achieve 1- or 2-point improvement in IGA score through Week 20.	20 Weeks
Incidence of Treatment Related Adverse Events through Week 20.	Number of patients with treatment related adverse events through week 20.	20 Weeks
Serum concentration of ZL-1102.	Serum concentration of ZL-1102.	16 Weeks
Anti-drug antibody (ADA) of ZL-1102.	Incidence, prevalence, and titers of ADA of ZL-1102 in this study	16 Weeks
Time to achieve mPASI 50/75/90.	The time to achieve mPASI 50/75/90 through week 20.	20 Weeks
Mean local tolerability scores (LTS)	Mean local tolerability scores at Weeks 2, 4,8, 12,16, and 20	20 Weeks
The proportion of patients achieving mPASI 75 at Week 2, 4, 8, 12, and 20.	The proportion of patients achieving mPASI 75 at Week 2, 4, 8, 12, and 20.	20 Weeks
The proportion of patients achieving mPASI 50/90/100 at Weeks 2, 4, 8, 12, 16, and 20.	The proportion of patients achieving mPASII 50/90/100 at Weeks 2, 4, 8, 12,16, and 20.	20 Weeks

Collaborators and Investigators

• Sponsor: Zai Lab (Hong Kong), Ltd.
• Collaborators: Zai Lab (US) LLC

Study record dates

Study Major Dates

• Study Start (Estimated): June 1, 2024
• Primary Completion (Estimated): February 28, 2026
• Study Completion (Estimated): March 1, 2026

Study Registration Dates

• First Submitted: November 15, 2022
• First Submitted That Met QC Criteria: April 23, 2024
• First Posted (Actual): April 24, 2024

Study Record Updates

• Last Update Posted (Actual): April 26, 2024
• Last Update Submitted That Met QC Criteria: April 24, 2024
• Last Verified: April 1, 2024

More Information

Terms related to this study

• Additional Relevant MeSH Terms: Skin Diseases; Skin Diseases, Papulosquamous; Psoriasis
• Other Study ID Numbers: ZL-1102-002

Plan for Individual participant data (IPD)

• Plan to Share Individual Participant Data (IPD)?: NO

Drug and device information, study documents

• Studies a U.S. FDA-regulated drug product: No
• Studies a U.S. FDA-regulated device product: No